{"id":105,"date":"2017-03-23T12:36:00","date_gmt":"2017-03-23T03:36:00","guid":{"rendered":"http:\/\/www.suzume-syako.jp\/personal3\/?p=105"},"modified":"2022-02-11T17:06:31","modified_gmt":"2022-02-11T08:06:31","slug":"%e3%82%aa%e3%83%bc%e3%83%87%e3%82%a3%e3%82%aa%ef%bc%8f%e3%83%9f%e3%83%8b%e3%82%a2%e3%83%b3%e3%83%970-1%ef%bc%8f%e8%a8%ad%e8%a8%88","status":"publish","type":"post","link":"http:\/\/www.suzume-syako.jp\/personal3\/?p=105","title":{"rendered":"\u30aa\u30fc\u30c7\u30a3\u30aa\uff0f\u30df\u30cb\u30a2\u30f3\u30d70.1\uff0f\u8a2d\u8a08"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"\u57fa\u672c\u8a2d\u8a08\">\u57fa\u672c\u8a2d\u8a08<\/h2>\n\n\n\n<p>\u4f01\u753b\u6642\u306b\u6c7a\u3081\u305f\u8981\u6c42\u4ed5\u69d8\u306f\u3001\u304a\u304a\u3080\u306d\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5c0f\u578b\u30aa\u30fc\u30c7\u30a3\u30aa\u30a2\u30f3\u30d7<\/li><li>\u30b9\u30d4\u30fc\u30ab\u30fc\u51fa\u529b\u306f\u30b9\u30c6\u30ec\u30aa1.5W+1.5W(4~8\u03a9)<\/li><li>\u30a2\u30ca\u30ed\u30b0\u5165\u529b\u00d72+Bluetooth\u00d71<\/li><li>\u5165\u529b\u306b\u30df\u30ad\u30b7\u30f3\u30b0\u6a5f\u80fd\u3092\u6709\u3059\u308b\u3001\u97f3\u8cea\u306b\u3053\u3060\u308f\u308a\u306a\u3057<\/li><li>\u7701\u96fb\u529b<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5185\u90e8\u69cb\u6210\u306e\u691c\u8a0e\">\u5185\u90e8\u69cb\u6210\u306e\u691c\u8a0e<\/h3>\n\n\n\n<p>Bluetooth\u3092\u4f7f\u3044\u305f\u3044\u306e\u3067\u3059\u304c\u3001\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7(PCM)\u3092\u3001\u3069\u3053\u3067\u30a2\u30ca\u30ed\u30b0\u306b\u5909\u63db\u3059\u308b\u304b\u306e\u304c\u826f\u3044\u306e\u304b\u6c7a\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/1.13Internal-configuration.pdf\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/1.13Internal-configuration.pdf\" alt=\"\" width=\"595\" height=\"842\"\/><\/a><\/figure>\n\n\n\n<p>\u3000\u2460\u306f\u4ee5\u524d\u306e\u56de\u8def\u69cb\u6210\u3067\u3001\u30a2\u30ca\u30ed\u30b0\u56de\u8def\u4e2d\u5fc3\u306e\u5834\u5408\u3067\u3059\u3002\u30aa\u30fc\u30c7\u30a3\u30aa\u6a5f\u80fd\u4ed8\u304d\u306eBluetooth\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u307b\u3068\u3093\u3069\u304c\u30a2\u30ca\u30ed\u30b0\u51fa\u529b\u3092\u5099\u3048\u3066\u3044\u308b\u306e\u3067\u3001\u901a\u5e38\u306fDAC\u306f\u4e0d\u8981\u3067\u3059\u3002\u3088\u3063\u3066\u3001\u56de\u8def\u7684\u306b\u306f\u5358\u306a\u308b\u30df\u30ad\u30b7\u30f3\u30b0\u30a2\u30f3\u30d7\u3067\u3059\u3002\u5927\u5909\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u30b3\u30b9\u30c8\u9762\u3067\u6700\u826f\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u3053\u308c\u3067\u5341\u5206\u3067\u3057\u3087\u3046\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306b\u5bfe\u5fdc\u3059\u308bBluetooth\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u5165\u624b\u304c\u9762\u5012\u306a\u306e\u304c\u3001\u30de\u30a4\u30ca\u30b9\u70b9\u3068\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u7701\u96fb\u529b\u5316\u306b\u306f\u8ffd\u52a0\u306e\u6a5f\u80fd\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u2461\u306f\u30c7\u30b8\u30bf\u30eb\u90e8\u5206\u3092\u62e1\u5927\u3057\u3001\u30df\u30ad\u30b7\u30f3\u30b0\u3092\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u6f14\u7b97\u51e6\u7406\u306b\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u5c02\u7528IC\u3082\u3057\u304f\u306f\u30de\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304c\u5fc5\u8981\u306b\u306a\u3063\u3066\u6765\u307e\u3059\u3002\u56f3\u306b\u66f8\u3044\u3066\u307f\u308b\u3068\u3001\u4e00\u65e6\u30c7\u30b8\u30bf\u30eb\u306b\u3057\u3066\u3001\u307e\u305f\u30a2\u30ca\u30ed\u30b0\u306b\u623b\u3059\u3068\u3044\u3046\u7121\u99c4\u306a\u4e8b\u3092\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u30c7\u30b8\u30bf\u30eb\u3067\u3057\u304b\u3067\u304d\u306a\u3044\u4fe1\u53f7\u51e6\u7406\u3084\u3001\u30b3\u30b9\u30c8\u7684\u306b\u512a\u4f4d\u3068\u306a\u308b\u3088\u3046\u306a\u6761\u4ef6\u3067\u3082\u306a\u3051\u308c\u3070\u610f\u5473\u306f\u5c11\u306a\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u4e2d\u9014\u534a\u7aef\u306a\u69cb\u6210\u3068\u8a00\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3000\u2462\u306f\u30a2\u30f3\u30d7\u306e\u90e8\u5206\u3055\u3048\u3082\u30c7\u30b8\u30bf\u30eb\u5316\u3059\u308b\u69cb\u6210\u3067\u3059\u3002D\u7d1a\u30a2\u30f3\u30d7\u306e\u3088\u3046\u306b\u3001PWM\u5909\u8abf\u3067\u30b9\u30d4\u30fc\u30ab\u3092\u99c6\u52d5\u3057\u307e\u3059\u306e\u3067\u3001\u30a2\u30ca\u30ed\u30b0\u7684\u306a\u90e8\u54c1\u304c\u4e0d\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u69cb\u9020\u7684\u306b\u30ce\u30a4\u30ba\u306e\u5165\u308a\u8fbc\u3080\u90e8\u5206\u306f\u3001ADC\u90e8\u3068\u30b9\u30d4\u30fc\u30ab\u30c9\u30e9\u30a4\u30d0\u90e8\u306b\u9650\u3089\u308c\u3066\u304d\u307e\u3059\u306e\u3067\u3001\u97f3\u8cea\u52a3\u5316\u304c\u5c11\u306a\u304f\u306a\u308b\u4e8b\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002\u30d5\u30eb\u30c7\u30b8\u30bf\u30eb\u30a2\u30f3\u30d7\u3068\u547c\u3093\u3067\u3088\u3044\u304b\u3082\u3002\u3053\u306e\u8981\u4ef6\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u90e8\u54c1\u306f\u3001\u898b\u3064\u3051\u3089\u308c\u306a\u3044\u306e\u3067\u3001\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306b\u983c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u88fd\u54c1\u306b\u306fADC\u3082PWM\u3082\u88c5\u5099\u3057\u3066\u3044\u308b\u306e\u3067\u5b9f\u73fe\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u9078\u629e\uff1a<strong>\u300c\u2462\u30c7\u30b8\u30bf\u30eb\u5316\u69cb\u6210B\u300d<\/strong>\u306b\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br>\u3000\u9078\u629e\u7406\u7531\u306f\u3001\u79c1\u7684\u306a\u8208\u5473\u3067\u3059\u3002\u97f3\u58f0\u4fe1\u53f7\u3092\u4e00\u5ea6\u6570\u5024\u5217\u306b\u3057\u3066\u3001\u672c\u5f53\u306b\u5143\u901a\u308a\u306e\u97f3\u304c\u3067\u308b\u306e\u304b\uff1f\u3068\u3044\u3046\u6280\u8853\u3092\u4f53\u611f\u3057\u3066\u307f\u305f\u304b\u3063\u305f\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"bluetooth\u5165\u529b\u90e8\u5206\u306e\u691c\u8a0e\">Bluetooth\u5165\u529b\u90e8\u5206\u306e\u691c\u8a0e<\/h3>\n\n\n\n<p>\u3000Bluetooth\u304b\u3089\u306e\u97f3\u58f0\u4fe1\u53f7\u3092\u53d7\u3051\u308b\u305f\u3081\u306e\u65b9\u6cd5\u30fb\u88fd\u54c1\u3092\u8abf\u67fb\u30fb\u691c\u8a0e\u3057\u307e\u3059\u3002Bluetooth\u4e0a\u3067\u97f3\u58f0\u30c7\u30fc\u30bf\u3092\u6271\u3046\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u5e7e\u3064\u304b\u3042\u308a\u307e\u3059\u304c\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u54c1\u8cea\u306b\u5bfe\u5fdc\u3059\u308b\u306e\u306fA2DP\u3067\u3059\u3002\u307e\u305f\u3001\u97f3\u6e90\u3068\u306a\u308b\u65b9\u3092&#8221;Source&#8221;\u3001\u53d7\u3051\u308b\u65b9\u3092&#8221;Sink&#8221;\u3068\u547c\u3093\u3067\u3044\u307e\u3059\u3002\u4eca\u56de\u306f\u3001\u30b9\u30d4\u30fc\u30ab\u3067\u3059\u306e\u3067\u97f3\u58f0\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u308b&#8221;Sink&#8221;\u306b\u5bfe\u5fdc\u3059\u308b\u90e8\u54c1\u3092\u63a2\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u666e\u901a\u306b\u6d41\u901a\u3057\u3066\u3044\u3066\u3001\u5165\u624b\u5bb9\u6613\u306aBluetooth\u6a5f\u80fd\uff0f\u90e8\u54c1\u306a\u3069\u3092\u63a2\u3057\u51fa\u3057\u307e\u3059\u3002\u3082\u3061\u308d\u3093\u97f3\u58f0\u4fe1\u53f7\u3092\u30c7\u30b8\u30bf\u30eb\u51fa\u529b\u3067\u304d\u308b\u3082\u306e\u3067\u306a\u3051\u308c\u3070\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002<br>\u30fb<strong><strong>Bluetooth\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong><\/strong> <strong>Microchip RN52<\/strong><br>\u3000\u30002980\u5186\/\u30de\u30eb\u30c4<br>\u3000\u3000\u97f3\u58f0\u30c7\u30fc\u30bf\u51fa\u529b\u306f\u3001I2S\u3082\u3057\u304f\u306fS\/PDIF<br>\u3000\u3000\u97f3\u58f0\u30c7\u30b3\u30fc\u30c9\u306f\u3001SBC, AAC, aptX\u3092\u30b5\u30dd\u30fc\u30c8<br>\u3000\u3000\u30de\u30a4\u30af\u5165\u529b\u3001\u30a2\u30f3\u30d7\u4ed8\u304d\uff08\u300c\u30a2\u30ca\u30ed\u30b0\u30d9\u30fc\u30b9\u306e\u69cb\u6210\u300d\u306b\u5bfe\u5fdc\u53ef\u80fd\u3060\u3063\u305f\uff1f\u304b\u306a\u308a\u9ad8\u6a5f\u80fd\uff09<br>\u30fb<strong>USB-Bluetooth\u30a2\u30c0\u30d7\u30bf<\/strong><br>\u3000\u3000PC\u7528\u306b1000\u5186\u7a0b\u5ea6\u3067\u5165\u624b\u5bb9\u6613\uff08\u30e1\u30fc\u30ab\u3092\u554f\u308f\u305aV2.1\u3067\u3082\u53ef\u80fd\uff09<br>\u3000\u3000\u97f3\u58f0\u30c7\u30fc\u30bf\u51fa\u529b\u306f\u30e1\u30e2\u30ea\u30d0\u30c3\u30d5\u30a1\u6e21\u3057PCM\u7b26\u53f7\u4ed8\u304d16bit(*1)<br>\u3000\u3000\u97f3\u58f0\u30c7\u30b3\u30fc\u30c9\u306fSBC(*1)<br>\u3000\u3000USB\u63a5\u7d9a\u306a\u306e\u3067\u3001USB\u30db\u30b9\u30c8\u6a5f\u80fd\u304c\u5fc5\u8981<br>\u3000\u3000\u9ad8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306eCPU\u304c\u5fc5\u8981<br>\u3000\u3000\u3000\u3000\u3000\u3000*1) \u6b63\u78ba\u306a\u6761\u4ef6\u306fBluetooth\u30b9\u30bf\u30c3\u30af\u6b21\u7b2c<br>\u30fb<strong>Bluetooth\u6a5f\u80fd\u3092\u5185\u8535\u3057\u305f\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9<\/strong><br>\u3000\u3000\u54c1\u7a2e\u304c\u5897\u3048\u3064\u3064\u3042\u308b\u304c\u3001\u307e\u3060\u5165\u624b\u6027\u306f\u3088\u304f\u306a\u3044<br>\u3000\u3000\u3000ESP-WROOM-32\uff1a\u3044\u3051\u305d\u3046\u3001\u5b89\u3044\u3001\u8a73\u7d30\u306f\u8981\u8abf\u67fb<br>\u3000\u3000\u3000Raspberry Pi Zero W\uff1a\u691c\u8a0e\u5f53\u6642\u7121\u304b\u3063\u305f<\/p>\n\n\n\n<p>\u9078\u629e\uff1a<strong>USB-Bluetooth\u30a2\u30c0\u30d7\u30bf<\/strong>\u306b\u3057\u307e\u3059\u3002<br>\u5165\u624b\u3057\u3084\u3059\u3055\u3001\u4f4e\u30b3\u30b9\u30c8\u3068\u3001CPU\u306f\u5225\u4ef6\u3067\u9ad8\u6027\u80fd\u306e\u7269\u304c\u5fc5\u8981\u3060\u3063\u305f\u306e\u3067\u3001\u3053\u306e\u9078\u629e\u3068\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u30e9\u30a4\u30f3\u5165\u529b\u90e8\u5206\u306e\u691c\u8a0e\">\u30e9\u30a4\u30f3\u5165\u529b\u90e8\u5206\u306e\u691c\u8a0e<\/h3>\n\n\n\n<p>\u30aa\u30fc\u30c7\u30a3\u30aa\u6a5f\u5668\u9593\u306f\u3001\u30e9\u30a4\u30f3\u30ec\u30d9\u30eb\u3067\u63a5\u7d9a\u3059\u308b\u4e8b\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u4ed5\u69d8\u3092\u77e5\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u8abf\u3079\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"921\" height=\"450\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u30e9\u30a4\u30f3\u30ec\u30d9\u30eb\uff1f.jpg\" alt=\"\" class=\"wp-image-109\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u30e9\u30a4\u30f3\u30ec\u30d9\u30eb\uff1f.jpg 921w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u30e9\u30a4\u30f3\u30ec\u30d9\u30eb\uff1f-300x147.jpg 300w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u30e9\u30a4\u30f3\u30ec\u30d9\u30eb\uff1f-768x375.jpg 768w\" sizes=\"auto, (max-width: 921px) 100vw, 921px\" \/><\/figure>\n\n\n\n<p>\u3069\u3046\u3084\u3089\u898f\u683c\u4ed5\u69d8\u3068\u3057\u3066\u306f\u3042\u308b\u3082\u306e\u306e\u3001\u5b9f\u614b\u3068\u3057\u3066\u306f\u5408\u3063\u3066\u3044\u306a\u3044\u6a5f\u5668\u3082\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u3053\u308c\u3050\u3089\u3044\u306e\u4fe1\u53f7\u30ec\u30d9\u30eb\u304c\u3042\u308b\u306e\u306a\u3089\u3001ADC\u3067\u53d7\u3051\u308b\u306e\u306f\u3001\u96e3\u3057\u304f\u306a\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002ADC\u3067\u30ad\u30e3\u30d7\u30c1\u30e3\u3059\u308b\u306b\u306f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306eADC\u76f4\u53d7\u3051\u3059\u308b\u306b\u306fAVdd=3.3V\u4ee5\u4e0b\u3001\u7406\u60f3\u7684\u306a\u5165\u529b\u6761\u4ef6\u306b\u3059\u308b\u306b\u306f\u3001\u7d044\u500d\u30b2\u30a4\u30f3\u306e\u30d7\u30ea\u30a2\u30f3\u30d7\u304c\u5fc5\u8981<\/li><li>\u6700\u5927\u30ec\u30d9\u30eb\u3092\u7121\u8996\u3057\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf\u7684\u306a\u3082\u306e\u304c\u5fc5\u8981<\/li><li>ADC\u5206\u89e3\u80fd\u304c\u826f\u3051\u308c\u3070\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u5897\u5e45\u3059\u308b\u4e8b\u3082\u53ef\u80fd\uff08\u30ce\u30a4\u30ba\u7684\u306b\u306f\u4e0d\u5229\uff09<\/li><li>\u76f4\u53d7\u3051\u3067\u306f\u3001ADC\u306e\u96fb\u6c17\u7684\u306a\u4fdd\u8b77\u304c\u5fc5\u8981<\/li><\/ul>\n\n\n\n<p>\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u76f4\u53d7\u3051\u3067\u304d\u308c\u3070\u90e8\u54c1\u6570\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u6a5f\u5668\u306f\u69d8\u3005\u306a\u4fe1\u53f7\u30ec\u30d9\u30eb\u304c\u3042\u308a\u3001\u305d\u308c\u3092\u8abf\u6574\uff08\u5897\u5e45\uff0f\u6e1b\u8870\uff09\u3059\u308b\u4ed5\u7d44\u307f\uff1c\u30d7\u30ea\u30a2\u30f3\u30d7\uff1e\u304c\u3001\u3084\u306f\u308a\u5fc5\u8981\u306a\u3088\u3046\u3067\u3059\u3002<br>\u3000\u30d8\u30c3\u30c9\u30d5\u30a9\u30f3\u51fa\u529b\u306e\u3088\u3046\u306a\u3001\u5c0f\u4fe1\u53f7\u306e\u97f3\u6e90\u3067\u306f\u3001ADC\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u89e3\u50cf\u5ea6\u306b\u305f\u3088\u308b\u89e3\u6c7a\u6cd5\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u5341\u5206\u306b\u9ad8\u3044\u89e3\u50cf\u5ea6\u304c\u3042\u308c\u3070\u8a08\u7b97\u3067\u5897\u5e45\uff08\u4e57\u7b97\uff09\u3059\u308c\u3070\u826f\u3044\u3060\u3051\u3067\u3059\u3002\u4eca\u56de\u306f12bit\u306e\u7cbe\u5ea6\u3067\u3059\u304c\u3001\u5b9f\u969b\u8033\u304c\u6211\u6162\u3067\u304d\u308b\u30ec\u30d9\u30eb\u306a\u306e\u304b\u81ea\u4fe1\u304c\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u306e\u3067\u3001\u5b9f\u969b\u56de\u8def\u3092\u7d44\u3093\u3067\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u7d50\u679c\u3001\u307e\u308b\u3067\u30c0\u30e1\u306a\u8a33\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u304c\u6d6e\u304d\u51fa\u3066\u6765\u3066\u9577\u671f\u7684\u306b\u4f7f\u3063\u3066\u3044\u308b\u3068\u6c17\u306b\u306a\u3063\u3066\u6765\u308b\u611f\u3058\u3067\u3057\u305f\u3002<br>\u3000\u3082\u3046\u5c11\u3057\u97f3\u8cea\u304c\u4e0a\u304c\u308c\u3070\u8a00\u3046\u4e8b\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u3067\u97f3\u8cea\u6539\u5584\uff08\u30c7\u30b8\u30bf\u30eb\u30d5\u30a3\u30eb\u30bf\uff09\u3067\u304d\u308b\u53ef\u80fd\u6027\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u82e6\u52b4\u3057\u305f\u672b\u306b\u30c0\u30e1\u3068\u5206\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u30d7\u30ea\u30a2\u30f3\u30d7\u3092\u3064\u3051\u308c\u3070\u3001\u3053\u306e\u4e0d\u5b89\u3092\u6255\u62ed\u3067\u304d\u307e\u3059\u3002\u30aa\u30da\u30a2\u30f3\u30d7\u6c4e\u7528\u54c1\u7a2e\u3092\u4f7f\u3048\u307e\u3059\u306e\u3067\u3001\u30b3\u30b9\u30c8\u7684\u306b\u3082\u554f\u984c\u306f\u51fa\u306a\u3044\u3067\u3057\u3087\u3046\u3002 <\/p>\n\n\n\n<p>\u9078\u629e\uff1a<strong>\u301c\uff14\u500d\u7a0b\u5ea6\u306e\u30d7\u30ea\u30a2\u30f3\u30d7\u3092\u4ed8\u3051\u308b<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u30b9\u30d4\u30fc\u30ab\u51fa\u529b\u90e8\u5206\u306e\u691c\u8a0e\">\u30b9\u30d4\u30fc\u30ab\u51fa\u529b\u90e8\u5206\u306e\u691c\u8a0e<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u30b9\u30d4\u30fc\u30ab\u306epwm\u99c6\u52d5\u56de\u8def\">\u30b9\u30d4\u30fc\u30ab\u306ePWM\u99c6\u52d5\u56de\u8def<\/h4>\n\n\n\n<p>PWM\u4fe1\u53f7\u3067\u30b9\u30d4\u30fc\u30ab\u3092\u30c9\u30e9\u30a4\u30d6\u3059\u308b\u56de\u8def\u306f\u3001\u4e00\u822c\u7684\u306b\u4ee5\u4e0b\u306e\u69d8\u306b\u306a\u308b\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"743\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/1.22-1-743x1024.jpg\" alt=\"\" class=\"wp-image-112\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/1.22-1-743x1024.jpg 743w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/1.22-1-218x300.jpg 218w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/1.22-1-768x1058.jpg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/1.22-1.jpg 1000w\" sizes=\"auto, (max-width: 743px) 100vw, 743px\" \/><\/figure>\n\n\n\n<p>\u2460\u30cf\u30fc\u30d5\u30d6\u30ea\u30c3\u30b8\u99c6\u52d5<br>\u3000\u57fa\u672c\u3053\u308c\u3060\u3051\u3067\u3082\u30c7\u30b8\u30bf\u30eb\u30fc\u30a2\u30ca\u30ed\u30b0\u5909\u63db\u3068\u306a\u308a\u307e\u3059\u3002\u30b9\u30d4\u30fc\u30ab\u3092\u5dfb\u304d\u8fbc\u3093\u3060LC\u30d5\u30a3\u30eb\u30bf\u56de\u8def\u3067\u3059\u3002\u96e3\u70b9\u306f\u7121\u97f3\u6642\u3067\u306f50%PWM\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u97f3\u3068\u3057\u3066\u306f\u611f\u3058\u3089\u308c\u307e\u305b\u3093\u304c\u30a8\u30cd\u30eb\u30ae\u30fc\u6d88\u8cbb\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30a4\u30eb\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u3001\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7d20\u5b50\u3067\u71b1\u306b\u5909\u308f\u308b\u3060\u3051\u3067\u3059\u3002<br>\u2461\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u99c6\u52d5\u3000\u305d\u306e\uff11<br>\u3000\u540c\u3058\u96fb\u6e90\u96fb\u5727\u3067\u3082\u3001\u30cf\u30fc\u30d5\u30d6\u30ea\u30c3\u30b8\u306b\u6bd4\u3079\u3001\u500d\u306e\u96fb\u5727\u3067\u99c6\u52d5\u3055\u308c\u307e\u3059\u3002\u30d0\u30c3\u30c6\u30ea\u30fc\u3092\u4f7f\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306a\u3069\u3001\u96fb\u6e90\u4e8b\u60c5\u304c\u53b3\u3057\u3044\u5834\u5408\u306b\u306f\u6709\u52b9\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u7d20\u5b50\u304c\u500d\u5897\u3057\u307e\u3059\u304c\u3001C\u304c\u7701\u7565\u3067\u304d\u307e\u3059\u3002<br>\u2462\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u99c6\u52d5\u3000\u305d\u306e\uff12\uff08\uff13\u5024\u5236\u5fa1\uff09<br>\u3000\u30a2\u30a4\u30c9\u30eb\u306b\u306f\u307b\u3068\u3093\u3069\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u6d88\u8cbb\u3057\u306a\u3044\u6240\u304c\u6700\u5927\u306e\u512a\u4f4d\u70b9\u3067\u3059\u3002\u305f\u3060\u3001\u9762\u5012\u304f\u3055\u3044\u30b2\u30fc\u30c8\u4fe1\u53f7\u3092\u751f\u6210\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u3067\u3001\u60a9\u307e\u3057\u3044\u3068\u3053\u308d\u3067\u3059\u3002\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u306f\u67d4\u8edf\u306a\u4fe1\u53f7\u751f\u6210\u3082\u53ef\u80fd\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u304c\u3001\u5b9f\u73fe\u6027\u306e\u691c\u8a3c\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u7d50\u679c\u306f\u591a\u304f\u306e\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u306f\u300c\u5b9f\u73fe\u53ef\u80fd\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u9078\u629e\uff1a<strong>\u2462\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u305d\u306e\uff12\uff08\uff13\u5024\u5236\u5fa1\uff09<\/strong><br>\u3000\u3000\u3000\u3084\u306f\u308a\u3001\u30a2\u30a4\u30c9\u30eb\u6642\u306e\u96fb\u529b\u6d88\u8cbb\u306e\u554f\u984c\u3092\u8efd\u8996\u3067\u304d\u306a\u3044\u3068\u8003\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u5f8c\u3067\u5224\u660e\u3057\u305f\u4e8b\u3067\u3059\u304c\u2460\u306e\u56de\u8def\u306f\u6c7a\u3057\u3066\u60aa\u3044\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u304b\u306a\u308a\u9b45\u529b\u7684\u3067\u3059\u3002<br>\u30fb\u30a2\u30a4\u30c9\u30eb\u6642\u306e\u96fb\u529b\u6d88\u8cbb\u306e\u554f\u984c\u306f\u89e3\u6c7a\u6cd5\u304c\u3042\u308b\uff08\u30a2\u30a4\u30c9\u30eb\u3092\u691c\u51fa\u3057\u305f\u3089PWM\u4fe1\u53f7\u3092\u505c\u6b62\u3055\u305b\u308c\u3070\u826f\u3044\uff09<br>\u30fb\u5c0f\u4fe1\u53f7\u3067\u306e\u97f3\u8cea\u306e\u52a3\u5316\u304c\u306a\u3044\uff08\u2462\u306f\u3056\u3089\u3064\u304d\u97f3\u304c\u6c17\u306b\u306a\u308b\uff09<br>\u30fb\u90e8\u54c1\u6570\u304c\u5c11\u306a\u3044<\/p>\n\n\n\n<p>\u6700\u7d42\u9078\u629e\uff1a<strong>\u2462\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u305d\u306e\uff11\uff08\uff12\u5024\u5236\u5fa1\uff09<\/strong><br>\u3000\u3000\u3000\u3057\u3070\u3089\u304f\u5b9f\u7528\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u4f4e\u97f3\u91cf\u6642\u306e\u3056\u3089\u3064\u304d\u611f\u3068\u3001\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u975e\u76f4\u7dda\u6027\u306b\u6211\u6162\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u8a2d\u8a08\u5909\u66f4\u3059\u308b\u4e8b\u306b\u3057\u307e\u3057\u305f\u3002\u30cf\u30fc\u30c9\u5909\u66f4\u304c\u4e0d\u8981\u3068\u8a00\u3046\u4e8b\u3067\u3001\u3053\u306e\u9078\u629e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u30bc\u30ed\u8a2d\u8a08\u3067\u306f\u2460\u306e\u9078\u629e\u3082\u3042\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u97f3\u91cf\u8abf\u6574\u65b9\u6cd5\">\u97f3\u91cf\u8abf\u6574\u65b9\u6cd5<\/h4>\n\n\n\n<p>\u30a2\u30ca\u30ed\u30b0\u30a2\u30f3\u30d7\u3067\u306e\u3001\u6700\u7d42\u7684\u306a\u30b9\u30d4\u30fc\u30ab\u306e\u97f3\u91cf\u8abf\u6574\u306f\u6982\u306d\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u4e8b\u304c\u591a\u3044\u3088\u3046\u3067\u3059\u3002<br>\u3000\u30fb\u30a2\u30f3\u30d7\u81ea\u4f53\u306e\u5897\u5e45\u7387\u306f\u6700\u5927\uff08\u56fa\u5b9a\u30b2\u30a4\u30f3\uff09<br>\u3000\u30fb\u5165\u529b\u306b\u53ef\u5909\u62b5\u6297\u5668\u3092\u4ed8\u3051\u3066\u4fe1\u53f7\u3092\u7d5e\u308a\u8fbc\u3080<br>\u5927\u51fa\u529b\u30a2\u30f3\u30d7\u304c\u3001\u30dc\u30ea\u30e5\u30fc\u30e0\u4f4d\u7f6e\u306b\u95a2\u308f\u3089\u305a\u30a2\u30a4\u30c9\u30eb\u6642\u306e\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u304c\u5927\u304d\u3044\u306e\u306f\u305d\u306e\u70ba\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Speaker-volume-756x1024.jpeg\" alt=\"\" class=\"wp-image-113\" width=\"450\" height=\"609\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Speaker-volume-756x1024.jpeg 756w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Speaker-volume-222x300.jpeg 222w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Speaker-volume-768x1040.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Speaker-volume.jpeg 1000w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/figure>\n\n\n\n<p>\u30a2\u30f3\u30d7\u304c\u5e38\u306b\u6700\u5927\u3067\u52d5\u3044\u3066\u3044\u308b\u306e\u306f\u3001\u3044\u304b\u306b\u3082\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u304c\u60aa\u305d\u3046\u306b\u601d\u3048\u307e\u3059\u3002\u4eca\u56de\u306e\u69d8\u306a\u3001PWM\u99c6\u52d5\u306e\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306b\u97f3\u91cf\u8abf\u6574\u3057\u305f\u3089\u826f\u3044\u3067\u3057\u3087\u3046\u304b\u3002<br>\u3000\u2460PWM\u306eDuty\u5024\u3092\u7d5e\u308a\u8fbc\u3080\uff08\u30dc\u30ea\u30e5\u30fc\u30e0\u7387\u3092\u639b\u3051\u308b\uff09<br>\u3000\u2461\u99c6\u52d5\u7d20\u5b50\u306b\u4e0e\u3048\u308b\u96fb\u5727\u3092\u5236\u9650\u3059\u308b<\/p>\n\n\n\n<p>\u3069\u3061\u3089\u3082\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u7684\u306b\u306f\u5909\u308f\u3089\u306a\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u2460\u306e\u5834\u5408\u3001\u5c0f\u97f3\u91cf\u306b\u306a\u308b\u306b\u3064\u308c\u3066\u89e3\u50cf\u5ea6\u304c\u4e0b\u304c\u3063\u3066\u884c\u304d\u307e\u3059\u306e\u3067\u3001\u97f3\u8cea\u7684\u306b\u306f\u4e0d\u5229\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u2461\u306f\u53ef\u5909\u96fb\u6e90\u88c5\u7f6e\u3068\u3044\u3046\u8ffd\u52a0\u30b3\u30b9\u30c8\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u65b9\u91dd\u7684\u306b\u306f\u3001\u3088\u308a\u5358\u7d14\u306a\u2460\u306b\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3057\u305f\u304c\u3001\u3069\u306e\u7a0b\u5ea6\u306e\u97f3\u8cea\u3078\u306e\u5f71\u97ff\u304c\u3067\u308b\u306e\u304b\u3001\u7686\u76ee\u4e88\u6e2c\u3067\u304d\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u305d\u306e\u5224\u65ad\u304c\u3067\u304d\u308b\u3088\u3046\u2461\u306e\u56de\u8def\u3092\u5165\u308c\u8fbc\u3093\u3067\u304a\u304f\u7269\u3068\u3057\u307e\u3057\u305f\u3002<br>\u3000\u53ef\u5909\u96fb\u6e90\u90e8\u3068\u3057\u3066\uff10\u301c\uff14V\uff11A\uff08V=\u221a(PxR)=\u221a(1.5Wx8\u03a9)=3.46V\u3001I=V\/R=4V\/4\u03a9=1A\u3001\u6700\u60aa\u5024\uff09\u3092\u63a2\u3059\u3068<br>\u3000\u30fb\u30b7\u30ea\u30fc\u30ba\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3000100\u5186\u4ee5\u4e0b\u3082\u3057\u304f\u306f0\u5186<br>\u3000\u30fbDC-DC\u30b3\u30f3\u30d0\u30fc\u30bf\u3000\u3000\u3000muRata OKL-T\/3-W12N 450\u5186<br>\u96fb\u529b\u52b9\u7387\u3092\u6c17\u306b\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u5f53\u7136DC-DC\u30b3\u30f3\u30d0\u30fc\u30bf\u306e\u9078\u629e\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u64cd\u4f5c\u30d1\u30cd\u30eb\">\u64cd\u4f5c\u30d1\u30cd\u30eb<\/h3>\n\n\n\n<p>\u5fc5\u8981\u306a\u3082\u306e\u3092\u6574\u7406\u3057\u3066\u3001\u5177\u4f53\u7684\u306a\u3082\u306e\u306b\u56fa\u3081\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><thead><tr><th>\u9805\u76ee<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u8981\u4ef6<\/th><\/tr><\/thead><tbody><tr><td>\u96fb\u6e90<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5e38\u6642\u96fb\u6e90\u30aa\u30f3\u7684\u306a\u4f7f\u3044\u65b9\u3092\u60f3\u5b9a\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u96fb\u6e90\u30b9\u30a4\u30c3\u30c1\u306f\u306a\u304f\u3068\u3082\u826f\u3044\u3002\u512a\u5148\u5ea6\u4f4e\u3002<br>\u8868\u793a\u3068\u3057\u3066\u306fLED\uff11\u706f\u306a\u3069\u3001\u96fb\u6e90\u304c\u5165\u3063\u3066\u3044\u308b\u4e8b\u3092\u78ba\u8a8d\u3067\u304d\u308c\u3070\u826f\u3044\u306e\u3067\u3001\u3044\u304f\u3089\u3082\u4ee3\u66ff\u65b9\u6cd5\u306f\u3042\u308b\u3002<\/td><\/tr><tr><td>\u51fa\u529b<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u51fa\u529b\u30dc\u30ea\u30e5\u30fc\u30e0\uff1a\u512a\u5148\u5ea6\u5927\u3002\u4f7f\u3046\u983b\u5ea6\u306f\u9ad8\u3044\u306e\u3067\u3001\u64cd\u4f5c\u3057\u3084\u3059\u3044\u7269\u3002\u30b9\u30e9\u30a4\u30c9\u5f0f\u306e\u30a2\u30f3\u30d7\u3092\u4f7f\u3063\u3066\u3044\u305f\u6642\u671f\u304c\u3042\u3063\u305f\u304c\u3001\u56de\u8ee2\u5f0f\u306e\u65b9\u304c\u65ad\u7136\u4f7f\u3044\u826f\u3044\u3002<br>\u51fa\u529bON\/OFF\uff1a\u7279\u306b\u5fc5\u8981\u6027\u306f\u8003\u3048\u3089\u308c\u306a\u3044\u3002<br>\u51fa\u529b\u30ec\u30d9\u30eb\u30e1\u30fc\u30bf\uff1a\u512a\u5148\u5ea6\u4f4e\u3002\u30dc\u30ea\u30e5\u30fc\u30e0\u3064\u307e\u307f\u306e\u4f4d\u7f6e\u3067\u5927\u4f53\u5206\u304b\u308b\u306e\u3067\u3001\u3042\u308c\u3070\u826f\u3044\u304b\u306a\u3068\u3044\u3046\u7a0b\u5ea6\u3002<\/td><\/tr><tr><td>\u5165\u529b\u00d7\uff13<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5165\u529b\u30dc\u30ea\u30e5\u30fc\u30e0\uff1a\u512a\u5148\u5ea6\u4e2d\u3002\u8abf\u6574\u6642\u306b\u306e\u307f\u4f7f\u3046\u3002\u30df\u30ad\u30b5\u30fc\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u3042\u308b\u306e\u3067\u3001\u30b9\u30e9\u30a4\u30c9\u5f0f\u3092\u601d\u3044\u6d6e\u304b\u3079\u3066\u3057\u307e\u3046\u3002<br>\u5165\u529b\u30d0\u30e9\u30f3\u30b9\uff1a\u512a\u5148\u5ea6\u4f4e\u3002\u8abf\u6574\u6642\u306b\u306e\u307f\u4f7f\u3046\u3002\u30d0\u30e9\u30f3\u30b9\u304c\u30ba\u30ec\u3066\u3044\u308b\u30aa\u30fc\u30c7\u30a3\u30aa\u6a5f\u5668\u306f\u3001\u6700\u8fd1\u3067\u306f\u898b\u304b\u3051\u306a\u3044\u306e\u3067\u3001\u306a\u304f\u3057\u3066\u3082\u826f\u3044\u304b\u3082\u3057\u308c\u306a\u3044<br>\u51fa\u529bON\/OFF\uff1a\u512a\u5148\u5ea6\u4f4e\u3002\u5165\u529b\u30dc\u30ea\u30e5\u30fc\u30e0\u304c\u3042\u308c\u3070\u4e0d\u8981\u3060\u3068\u601d\u308f\u308c\u308b\u304c\u3001\u3042\u308c\u3070\u4fbf\u5229\u304b\u3082\u3057\u308c\u306a\u3044\u3002<br>\u51fa\u5165\u529b\u30ec\u30d9\u30eb\u30e1\u30fc\u30bf\uff1a\u512a\u5148\u5ea6\u4e2d\u3002\u8abf\u6574\u6642\u306b\u306e\u307f\u4f7f\u3046\u3002\u81ea\u5206\u306e\u8033\u306b\u81ea\u4fe1\u304c\u306a\u3044\u306e\u3067\u3001\u3042\u3063\u305f\u65b9\u304c\u8abf\u6574\u304c\u697d\u3002<br><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4e00\u756a\u9762\u5012\u306a\u306e\u306f\u3001<strong>\u30ec\u30d9\u30eb\u30e1\u30fc\u30bf<\/strong>\u306a\u306e\u3067\u3001\u5148\u306b\u3053\u3061\u3089\u3092\u6c7a\u3081\u307e\u3059\u3002\u30ec\u30d9\u30eb\u30e1\u30fc\u30bf\u3068\u3057\u3066\u4f7f\u3048\u305d\u3046\u306a\u306e\u304c\u4ee5\u4e0b\u306e\u3082\u306e\u3002\uff08L\uff0bR\u30011\u7d44\u306e\u5834\u5408\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><thead><tr><th>\u90e8\u54c1<\/th><th>\u8aac\u660e<\/th><th>\u30b3\u30b9\u30c8<\/th><\/tr><\/thead><tbody><tr><td>\u30a2\u30ca\u30ed\u30b0VU\u30e1\u30fc\u30bf<\/td><td>\u91dd\u304c\u3086\u308c\u308b\u4f8b\u306e\u3084\u3064\u3067\u3059\u3002\u597d\u307e\u3057\u3044\u3068\u601d\u308f\u308c\u308b\u65b9\u3082\u591a\u3044\u3067\u3057\u3087\u3046\u3002\u5834\u6240\u3092\u98df\u3046\u306e\u3067\u8907\u6570\u4e26\u3079\u308b\u306e\u306f\u3001\u3053\u306e\u5c0f\u7269\u3067\u306f\u96e3\u3057\u3044\u3002\u5207\u308a\u66ff\u3048\u5f0f\u306b\u3059\u308b\u3057\u304b\u306a\u3044\u3002<\/td><td>450\u5186\u00d72=900\u5186<\/td><\/tr><tr><td>LED\u30a2\u30ec\u30a4<\/td><td>\u30d0\u30fc\u30b0\u30e9\u30d5\u5f62\u5f0f\u300210\u30dd\u30a4\u30f3\u30c83\u8272\u3002\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u8868\u793a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u5225\u306b\u99c6\u52d5\u56de\u8def\u304c\u5fc5\u8981\u3002<\/td><td>120\u5186\u00d72\u00d74\u7d44\uff1d960\u5186<\/td><\/tr><tr><td>\u30ad\u30e3\u30e9\u30af\u30bfLCD<\/td><td>\u30d0\u30fc\u30b0\u30e9\u30d5\u8868\u793a\u304c\u53ef\u80fd\u306a\u306e\u3067\u3001\u30e1\u30fc\u30bf\u8868\u793a\u3068\u3057\u3066\u306f\u5341\u5206\u4f7f\u3048\u308b\u300216\u6841\u00d72\u884c\u30921\u3064\u5207\u308a\u66ff\u3048\u5f0f\u306b\u3059\u308b\u304b\u3001\u5c0f\u578b\u306e\u3082\u306e\u3092\u8907\u6570\u3064\u3051\u308b\u3002<\/td><td>500\u5186\u00d74\u7d44=<br>2000\u5186<\/td><\/tr><tr><td>\u30b0\u30e9\u30d5\u30a3\u30c3\u30afLCD<\/td><td>\u81ea\u7531\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u8868\u793a\u3067\u304d\u308b\u3002\u30bf\u30c3\u30c1\u30d1\u30cd\u30eb\u4ed8\u304d\u306e\u3082\u306e\u306a\u3089\u3001\u30b9\u30a4\u30c3\u30c1\u985e\u3092\u7701\u7565\u3067\u304d\u308b\u3002<\/td><td>3000\u5186\u3050\u3089\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u30b3\u30b9\u30c8\u7684\u306b\u306f\u300c<strong>LED\u30a2\u30ec\u30a4<\/strong>\u300d\u304c\u3088\u3055\u305d\u3046\u3067\u3059\u3002\u305f\u3060\u3001\u914d\u7dda\u304c\u8d85\u9762\u5012\u306a\u306e\u3067\u6c17\u304c\u91cd\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u64cd\u4f5c\u30b9\u30a4\u30c3\u30c1\u985e<\/strong>\u3002<br>\u30d5\u30eb\u88c5\u5099\u306e\u5834\u5408\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u51fa\u529b\u30dc\u30ea\u30e5\u30fc\u30e0<\/li><li>\u5165\u529b\uff11\u30dc\u30ea\u30e5\u30fc\u30e0<\/li><li>\u5165\u529b\uff11\u30d0\u30e9\u30f3\u30b9<\/li><li>\u5165\u529b\uff12\u30dc\u30ea\u30e5\u30fc\u30e0<\/li><li>\u5165\u529b\uff12\u30d0\u30e9\u30f3\u30b9<\/li><li>Bluetooth\u30dc\u30ea\u30e5\u30fc\u30e0<\/li><li>Bluetooth\u30d0\u30e9\u30f3\u30b9<\/li><\/ul>\n\n\n\n<p>\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u5b9f\u4f53\u3068\u3057\u3066\u306f\u5168\u3066\u53ef\u5909\u62b5\u6297\u5668\u3082\u3057\u304f\u306f\u30ed\u30fc\u30bf\u30ea\u30fc\u30a8\u30f3\u30b3\u30fc\u30c0\u3067\u3059\u3002\u30b3\u30b9\u30c8\u3092\u8a66\u7b97\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30dc\u30ea\u30e5\u30fc\u30e0\uff1a\u53ef\u5909\u62b5\u6297\uff14\uff10\u5186\u00d7\uff17\uff0b\u5c0f\u578b\u3064\u307e\u307f\uff12\uff10\u5186\u00d7\uff16\uff0b\u30e1\u30bf\u30eb\u3064\u307e\u307f\uff18\uff18\uff10\u5186\uff09\uff1d<strong>\uff11\uff12\uff18\uff10\u5186<\/strong>\u3001\uff17\u30a2\u30ca\u30ed\u30b0\u30dd\u30fc\u30c8\u304c\u5fc5\u8981\u3002\u30b9\u30e9\u30a4\u30c9\u5f0f\u306b\u3057\u305f\u5834\u5408\uff0b\uff13\uff10\uff10\u5186\u3002<\/li><li>\u30ed\u30fc\u30bf\u30ea\u30fc\u30a8\u30f3\u30b3\u30fc\u30c0\uff1a\u30ce\u30f3\u30af\u30ea\u30c3\u30af\u30bf\u30a4\u30d7\uff19\uff10\u5186\u00d7\uff17\uff0b\u5c0f\u578b\u3064\u307e\u307f\uff12\uff10\u5186\u00d7\uff16\uff0b\u30e1\u30bf\u30eb\u3064\u307e\u307f\uff18\uff18\uff10\u5186\uff1d<strong>\uff11\uff16\uff13\uff10\u5186<\/strong>\u3001\uff11\uff14\u30c7\u30b8\u30bf\u30eb\u30dd\u30fc\u30c8\u304c\u5fc5\u8981\u3002<\/li><\/ul>\n\n\n\n<p>\u3000\u5207\u308a\u66ff\u3048\u5f0f\u306b\u3057\u305f\u3089\u3001\u30b9\u30a4\u30c3\u30c1\u00d7\u6570\u500b\uff0b\u30dc\u30ea\u30e5\u30fc\u30e0\uff0f\u30ed\u30fc\u30bf\u30ea\u30fc\u30a8\u30f3\u30b3\u30fc\u30c0\u00d7\uff11\u307e\u3067\u524a\u6e1b\u53ef\u80fd\u3002\u30d7\u30e9\u30b1\u30c3\u30c8LED\uff18\uff10\u5186\u00d7\uff17\uff0b\u62bc\u3057\u30dc\u30bf\u30f3\u30b9\u30a4\u30c3\u30c1\uff11\uff12\uff10\u5186\uff0b \u30ed\u30fc\u30bf\u30ea\u30fc\u30a8\u30f3\u30b3\u30fc\u30c0\uff19\uff10\u5186\uff0b\u30e1\u30bf\u30eb\u3064\u307e\u307f\uff18\uff18\uff10\u5186\uff1d<strong>\uff11\uff16\uff15\uff10<\/strong>\u5186\u3001\u30c7\u30b8\u30bf\u30eb\uff11\uff10\u30dd\u30fc\u30c8\u304c\u5fc5\u8981\u3002\u8272\u3005\u306a\u7d44\u307f\u5408\u308f\u305b\u306b\u3057\u3066\u3082\u3001\u304a\u304a\u3080\u306d<strong>\uff12\uff10\uff10\uff10\u5186<\/strong>\u3050\u3089\u3044\u306e\u30b3\u30b9\u30c8\u3067\u3059\u3002\u5024\u6bb5\u3092\u8abf\u3079\u3066\u6c17\u4ed8\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u30d1\u30cd\u30eb\u90e8\u54c1\u306f\u9ad8\u3044\u3067\u3059\u3002\u898b\u6804\u3048\u826f\u3044\u30c4\u30de\u30df\u306f\uff11\uff10\uff10\uff10\u5186\u3092\u8d8a\u3048\u308b\u3002\u30b3\u30b9\u30d1\u4f55\u3066\u8003\u3048\u308b\u4e16\u754c\u3067\u306f\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u3000\u8868\u793a\u3067\uff11\uff10\uff10\uff10\u5186\uff0b\u64cd\u4f5c\u30b9\u30a4\u30c3\u30c1\u985e\u306b\uff12\uff10\uff10\uff10\u5186\u304b\u304b\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u30bf\u30c3\u30c1\u4ed8\u304d\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u306e\u30b3\u30b9\u30c8\u3068\u540c\u3058\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30b1\u30fc\u30b9\u306e\u7a74\u958b\u3051\u52a0\u5de5\u306a\u3069\u306e\u624b\u9593\u3082\u6e1b\u308a\u3001\u826f\u3044\u4e8b\u3065\u304f\u3057\u3067\u3059\u3002\u6a19\u6e96\u7684\u306a\u90e8\u54c1\u304c\u306a\u3044\u306e\u3067\u5165\u624b\u306b\u306f\u82e6\u52b4\u3057\u307e\u3059\u304c\u3001\u6614\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306b\u4f7f\u308f\u308c\u3066\u3044\u305f\u54c1\u7a2e\u304c\u591a\u5c11\u6d41\u901a\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\uff13\u30a4\u30f3\u30c1\u7d1a\u306eLCD\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3082\uff12\u2212\uff13\uff10\uff10\uff10\u5186\u4f4d\u3067\u5165\u624b\u53ef\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u306a\u304a\u3001\u5916\u90e8\u306e\u6a5f\u5668\uff08\u30c7\u30d0\u30a4\u30b9\uff09\u3092\u5229\u7528\u3059\u308b\u624b\u3082\u3042\u308a\u307e\u3059\u3002PC\u3068\u304b\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u6d3b\u7528\u53ef\u80fd\u3067\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u3053\u306e\u5c0f\u7269\u306e\u524d\u63d0\u6761\u4ef6\u3068\u3057\u3066PC\/\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u304c\u5fc5\u9808\u306b\u306a\u308b\u3044\u3046\u306e\u306b\u306f\u7d0d\u5f97\u51fa\u6765\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u9078\u629e\uff1a<strong>\u30bf\u30c3\u30c1\u4ed8\u304d\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4<\/strong>\u3092\u4f7f\u3046\u3002\uff13\uff10\uff10\uff10\u5186\u4f4d\u306e\u30b3\u30b9\u30c8\u3060\u304c\u3001\u4ed6\u306e\u624b\u6bb5\u3067\u3082\u540c\u3058\u4f4d\u304b\u304b\u308b\u3002\u6700\u8fd1\u306f\u3001\u30b1\u30fc\u30b9\u52a0\u5de5\u306e\u624b\u9593\u304c\u91cd\u8377\u306b\u611f\u3058\u3089\u308c\u3066\u6765\u305f\u306e\u3067\u3001\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u958b\u767a\u3060\u3051\u3067\u6e08\u3080\u306e\u3067\u3042\u308c\u3070OK\u3002<strong>\u51fa\u529b\u30dc\u30ea\u30e5\u30fc\u30e0\u3060\u3051\u306f\u3001\u56de\u8ee2\u5f0f\u3064\u307e\u307f\u3068\u3059\u308b<\/strong>\u3002\u6700\u91cd\u8981\u4e8b\u9805\u306a\u306e\u3067\u4ed5\u65b9\u306a\u3057\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u96fb\u6e90\u90e8\">\u96fb\u6e90\u90e8<\/h3>\n\n\n\n<p>\u5fc5\u8981\u306a\u96fb\u529b\u91cf\u306b\u3088\u3063\u3066\u3001\u7528\u610f\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u96fb\u6e90\u898f\u6a21\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002<br>\u3000\u3000\u30fb\u30b9\u30d4\u30fc\u30ab\u3000\u3000\u3000\u3000(1.5W+1.5W)\u00d7\u52b9\u73870.8 = 3.8W<br>\u3000\u3000\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3000\u30005V\u00d7100mA = 0.5W<br>\u3000\u3000\u30fbLCD\u30e2\u30b8\u30e5\u30fc\u30eb\u30005V\u00d7(LED5\u00d720mA+\u57fa\u672c10mA) = 0.55W<br>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u5408\u8a08\u30004.9W<br>\u3053\u306e\u7a0b\u5ea6\u3067\u3042\u308c\u3070\u30015V-1A\u3050\u3089\u3044\u306eAC-DC\u30a2\u30c0\u30d7\u30bf\u3067\u6e08\u3080\u30ec\u30d9\u30eb\u3067\u3059\u3002\uff085V1A480\u5186\u30015V2A600\u5186\uff0f\u79cb\u6708\uff09\u7279\u306b\u3001\u96e3\u3057\u304f\u8003\u3048\u308b\u4e8b\u3082\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u9078\u5b9a\">\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u9078\u5b9a<\/h3>\n\n\n\n<p>\u3000\u30aa\u30fc\u30c7\u30a3\u30aa\u4fe1\u53f7\u3092\u51e6\u7406\u3059\u308b\u5c02\u7528\u30c1\u30c3\u30d7\u306f\u3001\u5165\u624b\u6027\u30fb\u30b3\u30b9\u30c8\u306e\u70b9\u304b\u3089\u9078\u629e\u3057\u306b\u304f\u3044\u306e\u304c\u73fe\u72b6\u3067\u3059\u3002\u305d\u3046\u306a\u308b\u3068\u3001\u9ad8\u6a5f\u80fd\u306a\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u3001\u6bd4\u8f03\u7684\u4f4e\u30b3\u30b9\u30c8\u3067\u5b9f\u73fe\u3067\u304d\u308b\u30c7\u30d0\u30a4\u30b9\u3092\u63a2\u3055\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u8981\u4ef6\u3092\u307e\u3068\u3081\u308b\u3068<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30a2\u30ca\u30ed\u30b0\u30dd\u30fc\u30c8\u306f\uff15\uff08\u4fe1\u53f7\u5165\u529b\u7528\uff09\uff0b\uff12\uff08\u30bf\u30c3\u30c1\u30d1\u30cd\u30eb\u7528\uff09\uff1d\uff17<\/li><li>\u30c7\u30b8\u30bf\u30eb\u30dd\u30fc\u30c8\u306f\uff12\uff10\uff08LCD\u7528\uff09\uff0b\uff12\uff08\u30bf\u30c3\u30c1\u30d1\u30cd\u30eb\u7528\uff09\uff0b\uff12\uff08\u30ed\u30fc\u30bf\u30ea\u30fc\u30a8\u30f3\u30b3\u30fc\u30c0\u7528\uff09\uff1d\uff12\uff14<\/li><li>PWM\u30dd\u30fc\u30c8\u306f\uff14\uff08\u30b9\u30d4\u30fc\u30ab\u99c6\u52d5\u7528\u3001\u30dd\u30fc\u30c8\u9593\u306e\u540c\u671f\u6a5f\u80fd\u304c\u5fc5\u8981\uff09<\/li><li>USB\u30db\u30b9\u30c8\u6a5f\u80fd\uff08Bluetooth\u7528\uff09<\/li><li>\u5185\u8535FLUSH\u306f128kB\u4ee5\u4e0a<\/li><li>CPU\u306f100-200MHz\u30af\u30e9\u30b9<\/li><\/ul>\n\n\n\n<p>\u3000Bluetooth\u3067\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u30a8\u30f3\u30b3\u30fc\u30c9\u51e6\u7406\u3092\u884c\u3046\u306e\u3067\u3001\u76f8\u5fdc\u306eCPU\u30d1\u30ef\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002Bluetooth\u30b9\u30bf\u30c3\u30af\u306e\u30b5\u30dd\u30fc\u30c8\u72b6\u6cc1\u306b\u3088\u308a\u3001\u4e0b\u8a18\u306e\u7269\u306b\u9650\u5b9a\u3055\u308c\u307e\u3059\u3002\u300cSTM32F4-\u30b7\u30ea\u30fc\u30ba\u3067200DMIPS\u4ee5\u4e0a\u306e\u6027\u80fd\u300d\u5de5\u4f5c\u304c\u3057\u3084\u3059\u3044\u958b\u767a\u30dc\u30fc\u30c9\u306e\u5229\u7528\u304c\u73fe\u5b9f\u7684\u306a\u306e\u3067\u3001\u5165\u624b\u53ef\u80fd\u306a\u7269\u3092\u63a2\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>STM32F469\/479\u3000\u3000STM32F469I-Discovery\uff08\uff14\u30a4\u30f3\u30c1LCD\u4ed8\u304d\u30017500\u5186\uff0fDigiKey\uff09<\/li><li>STM32F429\/439\u3000\u3000STM32F429I-Discovery\uff082.4\u30a4\u30f3\u30c1LCD\u4ed8\u304d\u30013600\u5186\uff0fDigiKey\uff09<\/li><li>STM32 NUCLEO-F429ZI\uff083000\u5186\uff0fDigiKey\uff09<\/li><li>STM32F427\/437\u3000\u3000MikroElektronika MIKROE-1793\uff086000\u5186\uff0fDigiKey\uff09<\/li><li>STM32F446\u3000\u3000\u3000\u3000STM32 NUCLEO-F446RE\uff081900\u5186\uff0f\u79cb\u6708\uff09<\/li><li>STM32 NUCLEO-F446ZE\uff082500\u5186\uff0fDigiKey\uff09<\/li><li>STM32F407\/417\u3000\u3000STM32F4-Discovery\uff082800\u5186\uff0f\u79cb\u6708\uff09<\/li><li>STM32F405\/415\u3000\u3000Olimex STM32-H405\uff082300\u5186\uff0fDigiKey\uff09<\/li><li>STM32F746\u3000\u3000\u3000\u3000STM32F746G-Discovery\uff08\uff14\u30a4\u30f3\u30c1LCD\u4ed8\u304d\u30017500\u5186\uff0f\u79cb\u6708\uff09<\/li><\/ul>\n\n\n\n<p>\u3000STM32F469I-Discovery\u3001F746G-Discovery\u306f\u9ad8\u4fa1\u3067\u3059\u304c\u30bf\u30c3\u30c1\u4ed8\u304dLCD\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u3064\u3044\u3066\u3044\u308b\u306e\u3067\u3001\u305f\u3044\u3078\u3093\u5fc3\u5f15\u304b\u308c\u307e\u3059\u3002\u7279\u306b\u3001F7Discovery\u30dc\u30fc\u30c9\u306f\u30aa\u30fc\u30c7\u30a3\u30aa\u5165\u529b\uff0f\u30b9\u30d4\u30fc\u30ab\u51fa\u529b\u6a5f\u80fd\u3092\u88c5\u5099\u3057\u3066\u304a\u308a\u3001\u307b\u307c\u30cf\u30fc\u30c9\u30a6\u30a8\u30a2\u306e\u5de5\u4f5c\u304c\u5fc5\u8981\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u9078\u629e\uff1a<strong>STM32 NUCLEO-F446RE<\/strong>\u3092\u5229\u7528\u3001\u4eca\u56de\u306f\u3001\u624b\u6301\u3061\u90e8\u54c1\u306eLCD\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u6d88\u8cbb\u3057\u305f\u304b\u3063\u305f\u306e\u3067\u3001\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u88c5\u5099\u306e\u958b\u767a\u30dc\u30fc\u30c9\u3092\u9664\u5916\u3057\u3001\u4e00\u756a\u5b89\u3044\u7269\u306e\u9078\u629e\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u57fa\u672c\u69cb\u6210\u56f3\">\u57fa\u672c\u69cb\u6210\u56f3<\/h3>\n\n\n\n<p>\u4ee5\u4e0a\u3001\u8003\u3048\u305f\u7d50\u679c\u3092\u30dd\u30f3\u30c1\u7d75\u306b\u307e\u3068\u3081\u307e\u3059\u3002\u3053\u306e\u69cb\u6210\u3067\u3001\u5b9f\u4f53\u5316\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u69cb\u6210\u56f3.pdf\"><img decoding=\"async\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u69cb\u6210\u56f3.pdf\" alt=\"\"\/><\/a><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306fSTM32 NUCLEO-F446RE\u3092\u4f7f\u7528\u3001\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u51e6\u7406\uff08A\/D\u5909\u63db\u3001\u30df\u30ad\u30b7\u30f3\u30b0\u3001PWM\u99c6\u52d5\uff09\u3001USB\/Bluetooth\u5236\u5fa1\u3001\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u8868\u793a\u3001\u64cd\u4f5c\u5165\u529b\u306a\u3069\u5168\u3066\u306e\u51e6\u7406\u3092\u884c\u3046<\/li><li>USB-Bluetooth\u30a2\u30c0\u30d7\u30bf\u3092\u4f7f\u7528<\/li><li>\u30a2\u30ca\u30ed\u30b0\u5165\u529b\u306b\u306f\u301c4\u500d\u30b2\u30a4\u30f3\u306e\u30d7\u30ea\u30a2\u30f3\u30d7\u3092\u4ed8\u52a0<\/li><li>\u30b9\u30d4\u30fc\u30ab\u99c6\u52d5\u306fPWM\u3067\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u69cb\u6210\u3001DC-DC\u30b3\u30f3\u30d0\u30fc\u30bf\u306b\u3088\u308b\u53ef\u5909\u96fb\u5727\u3067\u30e1\u30a4\u30f3\u51fa\u529b\u30dc\u30ea\u30e5\u30fc\u30e0\u3068\u3059\u308b<\/li><li>\u8868\u793a\u306f\u30b0\u30e9\u30d5\u30a3\u30c3\u30afLCD\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u64cd\u4f5c\u5165\u529b\u306f\u30bf\u30c3\u30c1\u30d1\u30cd\u30eb<\/li><li>\u96fb\u6e90\u306fAC-DC\u30a2\u30c0\u30d7\u30bf\u3092\u4f7f\u7528<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u8a73\u7d30\u8a2d\u8a08\">\u8a73\u7d30\u8a2d\u8a08<\/h2>\n\n\n\n<p>\u3000\u5165\u529b\u3084\u51fa\u529b\u3001\u4fe1\u53f7\u51e6\u7406\u306e\u65b9\u6cd5\u7b49\u306e\u65b9\u91dd\u3092\u6c7a\u3081\u307e\u3057\u305f\u306e\u3067\u3001\u5177\u4f53\u7684\u306b\u4f5c\u88fd\u51fa\u6765\u308b\u6240\u307e\u3067\u8a2d\u8a08\u3092\u9032\u3081\u3001\u5b9f\u969b\u306b\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u884c\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5165\u529b\u90e8\">\u5165\u529b\u90e8<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"bluetooth\u53d7\u4fe1\">Bluetooth\u53d7\u4fe1<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"usb\u63a5\u7d9a\">USB\u63a5\u7d9a<\/h5>\n\n\n\n<p>\u3000USB-Bluetooth\u30a2\u30c0\u30d7\u30bf\u3092\u5229\u7528\u305f\u3081\u306b\u306f\u3001USB\u30db\u30b9\u30c8\u6a5f\u80fd\u304c\u5fc5\u8981\u3067\u3059\u3002STM32F4\u306b\u5185\u8535\u3057\u3066\u304a\u308a\u3001\u5916\u4ed8\u3051\u90e8\u54c1\u306a\u3057\u306b\u63a5\u7d9a\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002USB-Bluetooth\u30a2\u30c0\u30d7\u30bf\u306eUSB\u7aef\u5b50\u306b\u534a\u7530\u4ed8\u3051\u3057\u3066\u3082\u826f\u3044\u306e\u3067\u3059\u3002\u4eca\u56de\u306f\u3001\u4e00\u5fdc\u30b3\u30cd\u30af\u30bf\u7d4c\u7531\u3068\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u51e6\u7406\">\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u51e6\u7406<\/h5>\n\n\n\n<p>\u3000USB\u30b9\u30bf\u30c3\u30af\u30e9\u30a4\u30d6\u30e9\u30ea\u3068Bluetooth\u30b9\u30bf\u30c3\u30af\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u5168\u3066\u304a\u4efb\u305b\u306b\u306a\u308a\u307e\u3059\u3002\u4eca\u56de\u4f7f\u7528\u3059\u308bBluetooth\u30b9\u30bf\u30c3\u30af\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u4ee5\u524dPIC32,STM32\u5411\u3051\u306b\u81ea\u4f5c\u3057\u3066\u3044\u305f\u3082\u306e\u3092\u30d9\u30fc\u30b9\u306b\u3001A2DP\/Sink\u3092\u6a5f\u80fd\u8ffd\u52a0\u3059\u308b\u4e8b\u3067\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u3068\u3044\u3046\u304b\u65e2\u306b\u5bfe\u5fdc\u6e08\u307f\u3067\u3059\u3002\u3088\u3063\u3066\u3001\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u4ed5\u69d8(API)\u306b\u5f93\u3063\u3066\u97f3\u58f0\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u3060\u3051\u3067\u6e08\u307f\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u6761\u4ef6\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff1a\u30ea\u30cb\u30a2PCM<\/li><li>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30ec\u30fc\u30c8=44.1kHz<\/li><li>\u91cf\u5b50\u5316\u30d3\u30c3\u30c8\u6570=16bit<\/li><li>2ch\u30b9\u30c6\u30ec\u30aa<\/li><li>\u30c7\u30fc\u30bf\u5f15\u6e21\u3057\u65b9\u6cd5\uff1a\u30e1\u30e2\u30ea\u30d0\u30c3\u30d5\u30a1\u3001n\u30d5\u30ec\u30fc\u30e0<\/li><li>\u30b5\u30f3\u30d7\u30eb\u6570\uff0f\uff11\u30d5\u30ec\u30fc\u30e0\uff1a1024\u30b5\u30f3\u30d7\u30eb<\/li><\/ul>\n\n\n\n<p>\u3000PC\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306a\u3069\u306eBluetooth\u6a5f\u5668\u3068\u306e\u63a5\u7d9a\u51e6\u7406\u306a\u3069\u306b\u306f\u3001\u5168\u304f\u95a2\u308f\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u97f3\u58f0\u30c7\u30fc\u30bf\u304c\u5c4a\u304f\u3068\u3001PCM\u30c7\u30fc\u30bf\u306e\u5f62\u5f0f\u3067\uff11\u30d5\u30ec\u30fc\u30e0\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u7d9a\u3005\u3084\u3063\u3066\u304d\u307e\u3059\u3002\u5207\u65ad\u3055\u308c\u308c\u3070\u3001\u6b62\u307e\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u30a2\u30ca\u30ed\u30b0\u97f3\u58f0\u5165\u529b\">\u30a2\u30ca\u30ed\u30b0\u97f3\u58f0\u5165\u529b<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"a-d\u5909\u63db\">A\/D\u5909\u63db<\/h5>\n\n\n\n<p>STM32F4\u5185\u8535\u306eADC\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u306e\u3001\u30a2\u30ca\u30ed\u30b0\u304b\u3089\u30c7\u30b8\u30bf\u30eb\u3078\u306e\u5909\u63db\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"739\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aADC-input-739x1024.jpg\" alt=\"\" class=\"wp-image-145\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aADC-input-739x1024.jpg 739w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aADC-input-216x300.jpg 216w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aADC-input-768x1064.jpg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aADC-input.jpg 1000w\" sizes=\"auto, (max-width: 739px) 100vw, 739px\" \/><\/figure>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u96fb\u5727\u30ec\u30d9\u30eb\u5909\u63db\">\u96fb\u5727\u30ec\u30d9\u30eb\u5909\u63db<\/h6>\n\n\n\n<p>\u3000\u3053\u306eADC\u306f0\u301cVdd\uff08\u96fb\u6e90\u96fb\u5727\uff09\u307e\u3067\u306e\u4fe1\u53f7\u5165\u529b\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u97f3\u58f0\u4fe1\u53f7\u306e\u3088\u3046\u306a\u30de\u30a4\u30ca\u30b9\u96fb\u5727\u3092\u542b\u3080\u4ea4\u6d41\u306f\u76f4\u63a5\u5165\u529b\u51fa\u6765\u307e\u305b\u3093\u3002\u5e38\u5957\u624b\u6bb5\u306f\u3001\u30d7\u30e9\u30b9\u5074\u306b\u30aa\u30d5\u30bb\u30c3\u30c8\u3055\u305b\u308b\u65b9\u6cd5\u3067\u3059\u3002\u7d75\u306e\u3088\u3046\u306b\u3001\u96fb\u6e90\u96fb\u5727\u306e\u5206\u5727\u62b5\u6297\u3067\u534a\u5206\u306b\u3057\u3066\u3001\u305d\u3053\u3092\u57fa\u6e96(AGND\u3068\u547c\u3073\u307e\u3059)\u306b\u3057\u307e\u3059\u3002\u5165\u529b\u306b\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u5165\u308cDC\u5206\u3092\u30ab\u30c3\u30c8\u3001AGND\u3092\u4e2d\u5fc3\u306b\u632f\u5e45\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u53d6\u308a\u8fbc\u307f\u30bf\u30a4\u30df\u30f3\u30b0\">\u53d6\u308a\u8fbc\u307f\u30bf\u30a4\u30df\u30f3\u30b0<\/h6>\n\n\n\n<p>\u3000A\/D\u5909\u63db\u901f\u5ea6\u304c5.7\u03bcS\u4ee5\u4e0b\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001STM32\u306eADC\u3067\u306f\u3001\u5168\u304f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u8a73\u3057\u304f\u306f\u3001\u56f3\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u81ea\u52d5\u5909\u63db\u6a5f\u80fd\">\u81ea\u52d5\u5909\u63db\u6a5f\u80fd<\/h6>\n\n\n\n<p>\u3000\u30b9\u30c6\u30ec\u30aa\uff12\u7cfb\u7d71\u306744.1kHz\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u300144100*2*2=176,400\u56de\uff0f\u79d2\u30015.7\u03bcS\u6bce\u306eA\/D\u5909\u63db\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u4ecb\u5165\u3057\u3066\u3001\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u306e\u306f\u3001\u304b\u306a\u308a\u9ad8\u901f\u306aCPU\u304c\u5fc5\u8981\u3067\u3059\u3002STM32\u306eADC\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4ecb\u5165\u306a\u3057\u306b\u81ea\u52d5\u7684\u306b\u30ad\u30e3\u30d7\u30c1\u30e3\u3059\u308b\u6a5f\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u30a2\u30d7\u30ea\u306e\u8ca0\u62c5\u3092\u306a\u304f\u305b\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5916\u90e8\u304b\u3089\u306e\u30c8\u30ea\u30ac\u304c\u304b\u304b\u3063\u305f\u3089\u3001\u4e88\u3081\u8a2d\u5b9a\u3057\u3066\u3044\u305f\u8907\u6570\u306e\u30a2\u30ca\u30ed\u30b0\u30dd\u30fc\u30c8\u3092\u9806\u6b21A\/D\u5909\u63db<\/li><li>\u5909\u63db\u7d50\u679c\u306fDMA\u3067\u76f4\u63a5\u30e1\u30e2\u30ea\u306b\u8ee2\u9001<\/li><li>\u5916\u90e8\u30c8\u30ea\u30ac\u306f\u3001\u30bf\u30a4\u30de\u30671\/44.1kHz\u6bce\u306b\u767a\u751f\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f<\/li><li>DMA\u3067\u306e\u8ee2\u9001\u30b5\u30a4\u30ba\u304c\u6240\u5b9a\u30b5\u30a4\u30ba\u306e\u534a\u5206\uff0f\u6e80\u676f\u306b\u306a\u3063\u305f\u3089\u3001\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u5272\u308a\u8fbc\u307f\u304c\u767a\u751f\u3059\u308b\u306e\u3067\u3001\u3053\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30c7\u30fc\u30bf\u51e6\u7406\u3059\u308c\u3070\u826f\u3044<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u8a2d\u5b9a\u9805\u76ee<\/th><th>\u8a2d\u5b9a\u5024<\/th><th>\u8aac\u660e\uff0f\u6839\u62e0<\/th><\/tr><\/thead><tbody><tr><td>\u30af\u30ed\u30c3\u30af\u8a2d\u5b9a<\/td><td>0.6\u301c36MHz\uff08STM32F446\u306e\u5834\u5408\uff09<\/td><td>ADCCLK=PCLK2(APB2)\/\u30d7\u30ea\u30b9\u30b1\u30fc\u30e9(2,4,6,8)=90MHz\/4=22.5MHz&nbsp;(44ns)<\/td><\/tr><tr><td>\u89e3\u50cf\u5ea6<\/td><td>12\u30d3\u30c3\u30c8<\/td><td>\u6700\u5927<\/td><\/tr><tr><td>\u30b9\u30ad\u30e3\u30f3\u30e2\u30fc\u30c9<\/td><td>\u6709\u52b9<\/td><td>\uff11\u56de\u306e\u30c8\u30ea\u30ac\u3067\u3001\u81ea\u52d5\u7684\u306b\u5168\u30a2\u30ca\u30ed\u30b0\u30dd\u30fc\u30c8\u3092A\/D\u5909\u63db\u3059\u308b\u8a2d\u5b9a<\/td><\/tr><tr><td>\u7d99\u7d9a\u30e2\u30fc\u30c9<\/td><td>\u7121\u52b9<\/td><td><\/td><\/tr><tr><td>DMA\u7d99\u7d9a<\/td><td>\u6709\u52b9<\/td><td><\/td><\/tr><tr><td>\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u6642\u9593<\/td><td>\uff13\u30af\u30ed\u30c3\u30af= 133ns\uff08\u8981\u8abf\u6574\u4e8b\u9805\uff09<\/td><td>\u6b63\u78ba\u306b\u53d6\u308a\u8fbc\u3081\u308b\u4e00\u756a\u77ed\u3044\u6642\u9593<\/td><\/tr><tr><td>\u30c8\u30ea\u30ac<\/td><td>Timer3<\/td><td>\u30bf\u30a4\u30de\uff13\u306b\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5468\u6ce2\u6570\u306e44.1kHz\u6bce\u306b\u30a4\u30d9\u30f3\u30c8\u304c\u51fa\u308b\u3088\u3046\u306b\u3057\u307e\u3059<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"adc\u53d6\u308a\u8fbc\u307f\u78ba\u8a8d\">ADC\u53d6\u308a\u8fbc\u307f\u78ba\u8a8d<\/h6>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"514\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u30e9\u30a4\u30f3\u5165\u529b\u8a66\u9a13\u56de\u8def.jpg\" alt=\"\" class=\"wp-image-147\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u30e9\u30a4\u30f3\u5165\u529b\u8a66\u9a13\u56de\u8def.jpg 821w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u30e9\u30a4\u30f3\u5165\u529b\u8a66\u9a13\u56de\u8def-300x188.jpg 300w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/\u30e9\u30a4\u30f3\u5165\u529b\u8a66\u9a13\u56de\u8def-768x481.jpg 768w\" sizes=\"auto, (max-width: 821px) 100vw, 821px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aTest-\u30a2\u30ca\u30ed\u30b0\u51fa\u529b\u3000\u30a2\u30f3\u30d7\u30aa\u30f3\u3000\u30d7\u30e9\u30b0\u633f\u5165\uff08440Hz\uff09.png\" alt=\"\" class=\"wp-image-148\" width=\"610\" height=\"455\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aTest-\u30a2\u30ca\u30ed\u30b0\u51fa\u529b\u3000\u30a2\u30f3\u30d7\u30aa\u30f3\u3000\u30d7\u30e9\u30b0\u633f\u5165\uff08440Hz\uff09.png 760w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aTest-\u30a2\u30ca\u30ed\u30b0\u51fa\u529b\u3000\u30a2\u30f3\u30d7\u30aa\u30f3\u3000\u30d7\u30e9\u30b0\u633f\u5165\uff08440Hz\uff09-300x224.png 300w\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" \/><figcaption>\u30c6\u30b9\u30c8\u4fe1\u53f7\u306f440Hz\u306e\u6b63\u5f26\u6ce2\u3067\u3059\u3002\u3053\u306e\u6ce2\u5f62\u306f\u3001PC\u3067<a href=\"..\/..\/..\/..\/Tips\/peji\/WAV_file_tools.html\">WAV\u30d5\u30a1\u30a4\u30eb<\/a>\u3092\u518d\u751f\u3057\u3001\u30d8\u30c3\u30c9\u30d5\u30a9\u30f3\u51fa\u529b\u3092\u4e0e\u3048\u305f\u6642\u306e\u30df\u30cb\u30b8\u30e3\u30c3\u30af\u76f4\u5f8c\u306e\u6240\u3092\u30aa\u30b7\u30ed\u3067\u898b\u305f\u3082\u306e\u3067\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"760\" height=\"567\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aTest-\u30b8\u30e3\u30c3\u30af\u90e8\u3000\u30a2\u30f3\u30d7\u30aa\u30f3\u3000\u30d7\u30e9\u30b0\u633f\u5165\uff08440Hz\uff09.png\" alt=\"\" class=\"wp-image-149\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aTest-\u30b8\u30e3\u30c3\u30af\u90e8\u3000\u30a2\u30f3\u30d7\u30aa\u30f3\u3000\u30d7\u30e9\u30b0\u633f\u5165\uff08440Hz\uff09.png 760w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.12aTest-\u30b8\u30e3\u30c3\u30af\u90e8\u3000\u30a2\u30f3\u30d7\u30aa\u30f3\u3000\u30d7\u30e9\u30b0\u633f\u5165\uff08440Hz\uff09-300x224.png 300w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><figcaption>\u3053\u308c\u306f\u3001\u30c6\u30b9\u30c8\u56de\u8def\u3092\u901a\u904e\u3057\u3066ADC\u306e\u76f4\u524d\u306e\u90e8\u5206\u3067\u306e\u6ce2\u5f62\u3067\u3059\u3002\u57fa\u672c\u7684\u306b\u5909\u308f\u3089\u306a\u3044\u306f\u305a\u3067\u3059\u304c\u3001\u4e00\u5fdc\u78ba\u8a8d\u306e\u70ba\u306b\u8a08\u6e2c\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u554f\u984c\u306a\u3044\u69d8\u3067\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<p>\u3000ADC\u51fa\u529b\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002ADC\u304b\u3089\u51fa\u529b\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u8868\u8a08\u7b97\u30bd\u30d5\u30c8\u306b\u53d6\u8fbc\u307f\u30b0\u30e9\u30d5\u306b\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u30aa\u30ec\u30f3\u30b8\u306f\u5de6\u4fe1\u53f7\u3001\u8d64\u306f\u53f3\u4fe1\u53f7\u3067\u3001\u9752\u3001\u7dd1\u306f\u7121\u63a5\u7d9a\u306e\u30dd\u30fc\u30c8\u306a\u306e\u3067\u7121\u8996\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"922\" height=\"855\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-3sample-AUX2.jpg\" alt=\"\" class=\"wp-image-151\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-3sample-AUX2.jpg 922w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-3sample-AUX2-300x278.jpg 300w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-3sample-AUX2-768x712.jpg 768w\" sizes=\"auto, (max-width: 922px) 100vw, 922px\" \/><figcaption>\u305a\u3044\u3076\u3093\u6ce2\u5f62\u304c\u6c5a\u3044\u3067\u3059\u3002\u4f55\u6545\u3067\u3057\u3087\u3046\uff1f\u826f\u304f\u3042\u308b\u306e\u304c\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5f85\u3061\u6642\u9593\u304c\u4e0d\u5341\u5206\u306e\u30b1\u30fc\u30b9\u3067\u3059\u304c\u3001\u4eca\u56de\u306f3\u30af\u30ed\u30c3\u30af\u306e\u8a2d\u5b9a\u306b\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u672c\u6765\u306a\u3089\u304d\u3061\u3093\u3068\u8a08\u7b97\u3067\u6c7a\u3081\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u4e8b\u9805\u3067\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"896\" height=\"854\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-15sample-AUX2.jpg\" alt=\"\" class=\"wp-image-152\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-15sample-AUX2.jpg 896w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-15sample-AUX2-300x286.jpg 300w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-15sample-AUX2-768x732.jpg 768w\" sizes=\"auto, (max-width: 896px) 100vw, 896px\" \/><figcaption>\uff1c\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5f85\u3061\uff1d\uff11\uff15\u30af\u30ed\u30c3\u30af\uff1d666ns\uff1e<br>\u8a66\u3057\u306b\u5f85\u3061\u3092\u5897\u3084\u3057\u305f\u3089\u6539\u5584\u3055\u308c\u307e\u3057\u305f\u306e\u3067\u3001\u5c71\u52d8\u304c\u5f53\u305f\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"930\" height=\"869\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-28sample-AUX2.jpg\" alt=\"\" class=\"wp-image-153\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-28sample-AUX2.jpg 930w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-28sample-AUX2-300x280.jpg 300w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/Test-F446_440Hz-28sample-AUX2-768x718.jpg 768w\" sizes=\"auto, (max-width: 930px) 100vw, 930px\" \/><figcaption>\uff1c\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5f85\u3061\uff1d\uff12\uff18\u30af\u30ed\u30c3\u30af=1.2us\uff1e<br>\u5f85\u3061\u3092\u5897\u3084\u3059\u3068\u3001\u3082\u3063\u3068\u826f\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u591a\u304f\u3059\u308c\u3070\u5b89\u5b9a\u3057\u305f\u5909\u63db\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001\u30dd\u30fc\u30c8\u6bce\u306e\u4f4d\u76f8\u5dee\u304c\u7121\u8996\u3067\u304d\u306a\u3044\u30ec\u30d9\u30eb\u306b\u306a\u308b\u53ef\u80fd\u6027\u3084\u3001\u305d\u3082\u305d\u3082\u5909\u63db\u51e6\u7406\u304c\u8ffd\u3044\u3064\u304b\u306a\u304f\u306a\u308b\u4e8b\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u306eADC\u306f\u304b\u306a\u308a\u9ad8\u901f\u306a\u5909\u63db\u6027\u80fd\u3092\u6301\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u5165\u529b\u4fe1\u53f7\u306b\u306f\u5341\u5206\u306a\u529b\u5f37\u3055\u304c\u5fc5\u8981\u3068\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5341\u5206\u306a\u5f85\u3061\u6642\u9593\u3092\u8a2d\u5b9a\u3059\u308b<\/li><li>\u30dc\u30eb\u30c6\u30fc\u30b8\u30d5\u30a9\u30ed\u30a2\u56de\u8def\u306a\u3069\u3067\u3001\u4fe1\u53f7\u3092\u30a2\u30b7\u30b9\u30c8\u3059\u308b<\/li><\/ul>\n\n\n\n<p>\u300028\u30af\u30ed\u30c3\u30af\u5f85\u3061\u3067\u306f\u3001\u6ce2\u5f62\u3092\u898b\u308b\u9650\u308a\u554f\u984c\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3001\u30bf\u30a4\u30df\u30f3\u30b0\u4e0a\u306e\u554f\u984c\u304c\u7121\u3044\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u300244.1kHz\u6bce\u306e \u53d6\u8fbc\u307f\u306a\u306e\u3067\u300122.6us\u4ee5\u5185\u306b\u5168\u30dd\u30fc\u30c8\u5206\u306eAD\u5909\u63db\u3092\u884c\u3046\u70ba\u306e\u30011\u5909\u63db\u306e\u6700\u5927\u53ef\u80fd\u5f85\u3061\u6642\u9593\u306f<br>\u3000\u3000\uff11\u5909\u63db(22.6us\/5)-15ADCCLK = 5.65us-15*44ns = 4.98us<br>\u3000\u7d50\u679c\u3001\u7d045us\u306b\u5bfe\u3057\u30661.2us\u3067\u3059\u306e\u3067\u3001\u5341\u5206\u8ffd\u3044\u3064\u3044\u3066\u3044\u307e\u3059\u3002\u4f4d\u76f8\u5dee\u306b\u3064\u3044\u3066\u306f\u3001<br>\u5168\u30dd\u30fc\u30c8\u5909\u63db\u6642\u9593\uff0f\u5909\u63db\u5468\u671f\uff1d(15ADCLK+28ADCLK)*5port\/22.6us<br>\u3000= (15+28)44ns*5\/22.6us = 9.5us\/22.6us = 42%<br>\u300042%\u3067\u306f\u3001\u3061\u3087\u3063\u3068\u5927\u304d\u3044\u611f\u3058\u304c\u3057\u307e\u3059\u3002\u305f\u3060\u3001\u30dd\u30fc\u30c8\uff0f\u30dd\u30fc\u30c8\u9593\u306e\u4f4d\u76f8\u5dee\u306f8.4\uff05\u306a\u306e\u3067\u3001\u8033\u3067\u8074\u304f\u5206\u306b\u306f\u9055\u3044\u304c\u5206\u3089\u306a\u3044\u4f4d\u3067\u306f\u306a\u3044\u304b\u3068\u3082\u601d\u3048\u307e\u3059\u3002\u3068\u308a\u3042\u3048\u305a\u3001\u3053\u306e\u307e\u307e\u306b\u3057\u3066\u304a\u304d\u5f8c\u3067\u8abf\u6574\u3059\u308b\u9805\u76ee\u3068\u3059\u308b\u4e8b\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"\u30d7\u30ea\u30a2\u30f3\u30d7\u56de\u8def\">\u30d7\u30ea\u30a2\u30f3\u30d7\u56de\u8def<\/h5>\n\n\n\n<ul class=\"wp-block-list\"><li>ADC\u306e\u524d\u6bb5\u3068\u306a\u308b\u30aa\u30fc\u30c7\u30a3\u30aa\u5411\u3051\u306e\u30a2\u30ca\u30ed\u30b0\u30a2\u30f3\u30d7<\/li><li>\u5e2f\u57df\u300020\u301c20kHz<\/li><li>\uff14\u500d\u524d\u5f8c\u306e\u30b2\u30a4\u30f3\uff08\u534a\u56fa\u5b9a\u5f0f\uff09<\/li><li>\u51fa\u529b\u306f\uff10\u301cVdd\u306e\u5358\u4e00\u96fb\u6e90\u3067\u306e\u30b9\u30a4\u30f3\u30b0<\/li><li>\u51fa\u6765\u308b\u3060\u3051\u4f4e\u30b3\u30b9\u30c8\u3067\u3001\u9ad8\u97f3\u8cea\u306b\u306f\u3053\u3060\u308f\u3089\u306a\u3044<\/li><\/ul>\n\n\n\n<p>\u3000\u30aa\u30fc\u30c7\u30a3\u30aa\u5e2f\u57df\u3092\uff14\u500d\u7a0b\u5ea6\uff08\u53ef\u5909\uff09\u306e\u5897\u5e45\u7387\u3067\u5b9f\u73fe\u3059\u308b\u30a2\u30f3\u30d7\u56de\u8def\u3092\u8003\u3048\u307e\u3059\u3002\u5e2f\u57df\u306f\u4e00\u822c\u5e38\u8b58\u7684\u306b20Hz\u301c20kHz\u3068\u8a2d\u5b9a\u3057\u307e\u3059\u3002\uff08\u5f8c\u306b\u4e8b\u60c5\u306b\u3088\u308a100Hz\u301c\u3068\u5909\u66f4\u3057\u307e\u3059\uff09<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u56de\u8def\u65b9\u5f0f\u9078\u629e\">\u56de\u8def\u65b9\u5f0f\u9078\u629e<\/h6>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u5358\u4f53\u56de\u8def\uff1a\u4f4e\u30b3\u30b9\u30c8\u3001\u5165\u624b\u6027\u826f\u597d\u3000\u672a\u7d4c\u9a13\u306a\u306e\u3067\u8a2d\u8a08\u304c\u672a\u77e5\u6570\u306e\u90e8\u5206\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u3042\u308a<\/li><li>\u30aa\u30da\u30a2\u30f3\u30d7\u5897\u5e45\u56de\u8def\uff1a\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306b\u6bd4\u3079\u308c\u3070\u30b3\u30b9\u30c8\u9ad8\u3060\u304c\u3001\u6c4e\u7528\u54c1\u306f\u610f\u5916\u3068\u4f4e\u30b3\u30b9\u30c8\u3001\u5165\u624b\u6027\u3082\u60aa\u304f\u306a\u3044\u3002\u3068\u3063\u3064\u304d\u3084\u3059\u3044\u3001\u8a2d\u8a08\u5bb9\u6613\uff08\u5909\u66f4\u3082\u67d4\u8edf\uff09\u3001\u5b89\u5b9a\u52d5\u4f5c\u3001\u90e8\u54c1\u6570\u3082\u5c11\u306a\u3044\u3002<\/li><\/ul>\n\n\n\n<p>\u3000\u3068\u308a\u3042\u3048\u305a\u3001\u8a2d\u8a08\u304c\u697d\u306a<strong>\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u9078\u629e<\/strong>\u3001\u56de\u8def\u4f8b\u591a\u6570\u3042\u308a\u554f\u984c\u306a\u3057\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u30aa\u30da\u30a2\u30f3\u30d7\">\u30aa\u30da\u30a2\u30f3\u30d7 <\/h6>\n\n\n\n<p>\u3000ADC\u3078\u306f0\u301cVdd(3.3V)\u306e\u6b63\u96fb\u5727\u306e\u5f62\u306b\u3057\u3066\u3042\u3052\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u5165\u529b\u3055\u308c\u308b\u30aa\u30fc\u30c7\u30a3\u30aa\u4fe1\u53f7\u306f\u4ea4\u6d41\u306a\u306e\u3067\u3001\u6b63\u8ca0\u306e\u96fb\u5727\u3092\u3001\u6b63\u96fb\u5727\u306b\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u624b\u6cd5\u3068\u3057\u3066\u306f\u4e00\u5b9a\u91cf\u6b63\u5074\u306b\u30aa\u30d5\u30bb\u30c3\u30c8\uff08\u30b7\u30d5\u30c8\u3001\u30d0\u30a4\u30a2\u30b9\u3068\u3082\u547c\u3070\u308c\u308b\uff09\u3057\u3066\u3001ADC\u3067\u53d6\u308a\u8fbc\u3093\u3060\u6570\u5024\u30c7\u30fc\u30bf\u3092\u9006\u30aa\u30d5\u30bb\u30c3\u30c8\uff08\u5f15\u304d\u7b97\uff09\u3059\u308c\u3070\u6b63\u8ca0\u306e\u30c7\u30fc\u30bf\u3067\u518d\u73fe\u3057\u307e\u3059\u3002\u4eca\u56de\u306f\u3001\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u53cd\u8ee2\u5897\u5e45\u56de\u8def\u306b\u30d0\u30a4\u30a2\u30b9\u70b9\u3092\u4e0e\u3048\u3089\u308c\u308b\u4e8b\u3092\u5229\u7528\u3057\u3001\u5897\u5e45\u3068\u30aa\u30d5\u30bb\u30c3\u30c8\u52a0\u3048\u308b\u6a5f\u80fd\u3092\uff11\u3064\u3067\u5b9f\u73fe\u3059\u308b\u306e\u304c\u6700\u9069\u89e3\u3060\u3068\u8003\u3048\u307e\u3057\u305f\u3002\u30d0\u30a4\u30a2\u30b9\u96fb\u5727\u306f\u56fa\u5b9a\u3067Vdd\u306e\u4e2d\u9593\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u57fa\u6e96\u96fb\u5727\u6e90\u3068\u3057\u3066\u306f\u5206\u5727\u62b5\u6297\u3060\u3068\u4f4e\u30b3\u30b9\u30c8\u3067\u6e08\u307f\u307e\u3059\u3002\u6c4e\u7528\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067\u78ba\u8a8d\u3059\u308b\u3068\u3001\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41\u306f1\u03bcA\u3082\u4f7f\u308f\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u5206\u5727\u62b5\u6297\u3067\u3082\u554f\u984c\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.1-736x1024.jpeg\" alt=\"\" class=\"wp-image-155\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.1-736x1024.jpeg 736w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.1-216x300.jpeg 216w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.1-768x1069.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.1-1104x1536.jpeg 1104w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.1-1471x2048.jpeg 1471w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.1-1568x2182.jpeg 1568w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.1.jpeg 1654w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/figure>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u54c1\u7a2e\u9078\u5b9a\">\u54c1\u7a2e\u9078\u5b9a<\/h6>\n\n\n\n<ul class=\"wp-block-list\"><li>\u96fb\u6e90\u306f\u5358\u4e003.3V\uff1a\u5358\u96fb\u6e90\u3067\u30825V\u4ee5\u4e0a\u306e\u5834\u5408\u304c\u591a\u3044<\/li><li>\u5165\u529b\u3001\u51fa\u529b\u5171\u306b\u30d5\u30eb\u30b9\u30a4\u30f3\u30b0\uff08\u30ec\u30fc\u30eb\u30c4\u30fc\u30ec\u30fc\u30eb\uff09\uff1a\u666e\u901a\u306f\u96fb\u6e90\u30e9\u30a4\u30f3\u8fd1\u304f\u306f\u51e6\u7406\u3057\u304d\u308c\u306a\u3044\u3002\u3068\u3053\u308d\u304c\u96fb\u6e90\u30e9\u30a4\u30f3\u304e\u308a\u304e\u308a\u307e\u3067\u30b9\u30a4\u30f3\u30b0\u3067\u304d\u308b\u54c1\u7a2e\u3082\u3042\u308b\u3002<\/li><\/ul>\n\n\n\n<p>\u3000\u3000\u4e0a\u8a18\u6761\u4ef6\u3067\u3001\u5165\u624b\u3057\u3084\u3059\u304f\u5b89\u4fa1\u306a\u3082\u306e\u3092\u63a2\u3057\u307e\u3059\u3002\uff081\u30d1\u30c3\u30b1\u30fc\u30b84\u56de\u8def\u54c1\uff09<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>LMV324 \u00a530\uff0f10\u500b\u58f2\u308a\u30fb\u79cb\u6708<\/li><li>NJU7044 \u00a5150\uff0f\u79cb\u6708<\/li><li>NJU2734 \u00a5150\uff0f\u79cb\u6708<\/li><li>AD8506 \u00a5150\u00d72\uff0f\u9ad8\u6027\u80fd\u30fb\u79cb\u6708<\/li><\/ul>\n\n\n\n<p>\u3000\u3069\u308c\u3067\u3082\u3001\u554f\u984c\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u3002\u624b\u6301\u3061\u90e8\u54c1\u306e\u95a2\u4fc2\u3067NJU7044\u306b\u3057\u3068\u304d\u307e\u3059\uff08\u4eee\uff09<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u5b9a\u6570\u5024\">\u5b9a\u6570\u5024<\/h6>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u8a18\u53f7<\/th><th>\u5024<\/th><th>\u6839\u62e0<\/th><\/tr><\/thead><tbody><tr><td>R1<\/td><td>50k\u03a9<\/td><td>\u5165\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306b\u95a2\u4fc2\u3057\u307e\u3059\u3002\u3053\u306e\u5024\u306b\u3057\u3066\u3044\u308b\u6a5f\u5668\u304c\u591a\u3044\u306e\u3067\u3001\u305d\u308c\u306b\u7fd2\u3044\u307e\u3059\u3002<\/td><\/tr><tr><td>R2<\/td><td>500k\u03a9\/VR<\/td><td>\u6700\u592710\u500d\u30b2\u30a4\u30f3G\u306a\u306e\u3067\u3001R2=R1\u00d710\u3002<\/td><\/tr><tr><td>R3,R4<\/td><td>1k\u03a9<\/td><td>\u30aa\u30da\u30a2\u30f3\u30d7\u306b\u5438\u3044\u8fbc\u307e\u308c\u308b\u96fb\u6d41\u306fnA\u7d1a\u3068\u308f\u305a\u304b\u306a\u306e\u3067\u3001\u30d0\u30a4\u30a2\u30b9\u96fb\u5727\u3092\u5b89\u5b9a\u3057\u3066\u4f9b\u7d66\u3059\u308b\u306b\u306f\u03bcA\u7d1a\u306e\u96fb\u6d41\u3092\u6d41\u3057\u3066\u304a\u3051\u3070\u826f\u3044\u3067\u3057\u3087\u3046\u3002\u3068\u306f\u8a00\u3048\u591a\u3081\u306e1mA\u4f4d\u306b\u3057\u3066\u304a\u3051\u3070\u5b89\u5fc3\u3067\u3059\u3002\u96fb\u6e90\u306b\u53b3\u3057\u3044\u5236\u7d04\u304c\u3042\u308b\u8a33\u3067\u306f\u306a\u3044\u306e\u3067\u3002\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41\u306f I=V\/R=3.3\/1000=1.6mA<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3000\u5b9f\u969b\u306f\u3001\u624b\u6301\u3061\u90e8\u54c1\u306b10k\u03a9\u306e\u534a\u56fa\u5b9a\u62b5\u6297\u304c\u305f\u304f\u3055\u3093\u3042\u3063\u305f\u306e\u3067\u3001&lt;R2=10k\u03a9\/VR\u3001R1=1k\u03a9&gt;\u3068\u3057\u307e\u3057\u305f\u3002\u591a\u5206\u3001\u5927\u4e08\u592b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"\u30d0\u30f3\u30c9\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\">\u30d0\u30f3\u30c9\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc<\/h5>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u5fc5\u8981\u306a\u7406\u7531\">\u5fc5\u8981\u306a\u7406\u7531<\/h6>\n\n\n\n<p>\u3000\u3053\u308c\u306f\u3001\u8a2d\u8a08\u4e2d\u306b\u8003\u616e\u3067\u304d\u305a\u3001\u5b9f\u969b\u306b\u4f7f\u3044\u8fbc\u3093\u3060\u5f8c\u306b\u5224\u660e\u3057\u305f\u4e8b\u306b\u5bfe\u3059\u308b\u5bfe\u7b56\u3067\u3059\u3002\u97f3\u6e90\uff08\u97f3\u97ff\u6a5f\u5668\uff09\u306b\u3088\u3063\u3066\u306f\u3001\u97f3\u58f0\u5e2f\u57df\u5916\u306e\u4fe1\u53f7\u304c\u5165\u3063\u3066\u304f\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u8272\u3005\u3068\u4e0d\u90fd\u5408\u306a\u4e8b\u8c61\u304c\u767a\u751f\u3057\u307e\u3059\u3002<br>\u30fb\u97f3\u58f0\u5e2f\u57df\u4e0b\u9650 = 20Hz<br>\u3000\u3000\u30cf\u30e0\u30ce\u30a4\u30ba\uff08AC\u96fb\u6e90\u7531\u6765\u306e\u30ce\u30a4\u30ba\uff09\u304c\u5927\u304d\u304f\u5165\u308b\u97f3\u6e90\u304c\u3042\u308b<br>\u3000\u3000\u96fb\u6e90\u7531\u6765\u306a\u306e\u306750\/60Hz\u3092\u30ab\u30c3\u30c8\u3059\u308b\u3002<br>\u3000\u3000\u9ad8\u97f3\u8cea\u3092\u72d9\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001100Hz\u4f4d\u4ee5\u4e0b\u3067\u30ab\u30c3\u30c8\u3067\u826f\u3044<br>\u30fb\u97f3\u58f0\u5e2f\u57df\u4e0a\u9650 = 20kHz<br>\u3000\u3000\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u3068\u3044\u3046\u5f62\u3067\u3001\u53ef\u8074\u57df\u306b\u51fa\u73fe\u3059\u308b\u5834\u5408\u304c\u3042\u308b\u3089\u3057\u3044<br>\u3000\u3000\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u304c\u3084\u305f\u3089\u3068\u5927\u304d\u3044\u97f3\u6e90\u304c\u3042\u308b<br>\u3000\u3000\u305d\u306e\u97f3\u6e90\u306f\u4ed6\u306e\u30a2\u30f3\u30d7\u3067\u306f\u30ce\u30a4\u30ba\u304c\u51fa\u306a\u3044\u306e\u3067\u3001\u81ea\u30a2\u30f3\u30d7\u306e\u554f\u984c<br>\u3000\u3000PC\u306e\u51fa\u529b\u3001\u30c6\u30ec\u30d3\u306e\u30d8\u30c3\u30c9\u30d5\u30a9\u30f3\u51fa\u529b\u3067\u73fe\u8c61\u304c\u51fa\u308b<br>\u3000\u3000iPhone\u306a\u3069\u306e\u643a\u5e2f\u6a5f\u5668\u306f\u554f\u984c\u306a\u3057<br>\u3000\u3000\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u4e0d\u6574\u5408\uff1f<br>\u3000\u3000\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u306e\u539f\u56e0\u3068\u306f\u8003\u3048\u3065\u3089\u3044<br>\u3000\u3000\u9ad8\u8abf\u6ce2\uff08\u97f3\u58f0\u5e2f\u57df\u3092\u8d85\u3048\u308b\u5468\u6ce2\u6570\u6210\u5206\uff09\u306e\u5f71\u97ff\uff1f<br>\u3000\u300044.1kHz\u3067\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30cf\u30a4\u30ab\u30c3\u30c8\u3055\u308c\u3066\u5f71\u97ff\u306a\u3044\uff1f<br>\u3000\u3000\u5207\u308a\u5206\u3051\uff1a\u5916\u4ed8\u3051\u3067\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u3092\u4ed8\u3051\u3066\u307f\u305f\u3089\u6fc0\u6e1b<br>\u3000\u3000\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u306f\u3042\u3063\u305f\u65b9\u304c\u826f\u3044<br>\u3000\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30d0\u30f3\u30c9\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u308b\u3068\u601d\u308f\u308c\u308b\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u5b9f\u88c5\u65b9\u6cd5\">\u5b9f\u88c5\u65b9\u6cd5<\/h6>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"736\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.2-736x1024.jpeg\" alt=\"\" class=\"wp-image-156\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.2-736x1024.jpeg 736w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.2-216x300.jpeg 216w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.2-768x1069.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.2-1104x1536.jpeg 1104w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.2-1471x2048.jpeg 1471w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.2-1568x2182.jpeg 1568w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.2.jpeg 1654w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5bfe\u5fdc\uff08CR\u30d5\u30a3\u30eb\u30bf\uff09\uff1a\u524d\u6bb5\u3082\u3057\u304f\u306f\u5f8c\u6bb5\u306b\u3001 CR\u30d5\u30a3\u30eb\u30bf\u56de\u8def\u3092\u8ffd\u52a0\u3001\uff14\u672c\u306eC,R\u306e\u30b3\u30b9\u30c8\u5897\u3067\u6e08\u3080\u3002<\/li><li>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5bfe\u5fdc\uff08\u30a2\u30af\u30c6\u30a3\u30d6\u30d5\u30a3\u30eb\u30bf\uff09\uff1a\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u5897\u5e45\u56de\u8def\u306b\u30a2\u30c9\u30aa\u30f3\u3067\u5bfe\u5fdc\u53ef\u80fd\u3002\u305f\u3063\u305f\uff12\u672c\u306eC,R\u306e\u30b3\u30b9\u30c8\u5897\u3060\u3051\u3067\u6e08\u3080\u3002<\/li><li>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5bfe\u5fdc\uff1a100Hz\u4ee5\u4e0b\u300120kHzi\u4ee5\u4e0a\u3092\u30ab\u30c3\u30c8\u3059\u308b\u30c7\u30b8\u30bf\u30eb\u30d5\u30a3\u30eb\u30bf\u30fc\u6f14\u7b97\u51e6\u7406\u3092\u8ffd\u52a0\u3002CPU\u8ca0\u8377\u304c\u5927\u304d\u3044<\/li><\/ul>\n\n\n\n<p>\u30b3\u30b9\u30c8\u7684\u306b\u3082\u3001\u5bfe\u5fdc\u3082\u5bb9\u6613\u306a<strong>\u30a2\u30af\u30c6\u30a3\u30d6\u30d5\u30a3\u30eb\u30bf\u5316<\/strong>\u3067\u554f\u984c\u306a\u3057\u3068\u8003\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u30a2\u30af\u30c6\u30a3\u30d6\u30d5\u30a3\u30eb\u30bf\">\u30a2\u30af\u30c6\u30a3\u30d6\u30d5\u30a3\u30eb\u30bf<\/h6>\n\n\n\n<p>\u5b9a\u6570\u306e\u8a08\u7b97\u65b9\u6cd5\u306a\u3069\u306f\u3001\u56f3\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u56de\u8def\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\u3067\u691c\u8a3c\">\u56de\u8def\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\u3067\u691c\u8a3c<\/h6>\n\n\n\n<p>LTspice\u3092\u4f7f\u3063\u3066\u673a\u4e0a\u3067\u30d7\u30ea\u30a2\u30f3\u30d7\u56de\u8def\u5168\u4f53\u306e\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"326\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp1-AD8506-fig.5.png\" alt=\"\" class=\"wp-image-158\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp1-AD8506-fig.5.png 600w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp1-AD8506-fig.5-300x163.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption>\u56de\u8def\u56f3<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"437\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.4.png\" alt=\"\" class=\"wp-image-159\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.4.png 600w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp-fig.4-300x219.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption>\u5165\u529b\u3068\u51fa\u529b\u306e\u6ce2\u5f62<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"437\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp1-AD8506-fig.6.png\" alt=\"\" class=\"wp-image-160\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp1-AD8506-fig.6.png 600w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp1-AD8506-fig.6-300x219.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><figcaption>\u5468\u6ce2\u6570\u7279\u6027<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-1ab7a9c3-4eb8-472d-a958-36ed81294672\" href=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp.zip\">BTSP01-preamp<\/a><a href=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/BTSP01-preamp.zip\" class=\"wp-block-file__button\" download aria-describedby=\"wp-block-file--media-1ab7a9c3-4eb8-472d-a958-36ed81294672\">LTspice\u30d5\u30a1\u30a4\u30eb<\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u51fa\u529b\u90e8\">\u51fa\u529b\u90e8<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u30b9\u30d4\u30fc\u30ab\u99c6\u52d5\">\u30b9\u30d4\u30fc\u30ab\u99c6\u52d5<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"pwm\u4fe1\u53f7\u751f\u6210\">PWM\u4fe1\u53f7\u751f\u6210<\/h5>\n\n\n\n<p>\u3000\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u5185\u8535\u306e\u30bf\u30a4\u30de\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3001\uff13\u5024\u30c7\u30fc\u30bf\u3092PWM\u51fa\u529b\u3059\u308b\u8a2d\u5b9a\u3092\u8abf\u3079\u307e\u3059\u3002\uff13\u5024\u30c7\u30fc\u30bf\u3068\u306f\u3001\u7b26\u53f7\u4ed8\u304d\u306e\u4fe1\u53f7\u30c7\u30fc\u30bf\u3092\u6b63\u8ca0\u3067\u5225\u3005\u306e\u30c7\u30e5\u30fc\u30c6\u30a3\u5024\u5217\u306b\u3057\u305f\u3082\u306e\u3067\u3001\u5de6\u6b63\uff0f\u5de6\u8ca0\uff0f\u53f3\u6b63\uff0f\u53f3\u8ca0\u306e\uff14\u3064\u306ePWM\u4fe1\u53f7\u3092\u51fa\u529b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"930\" height=\"709\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aPWM-generate.jpg\" alt=\"\" class=\"wp-image-172\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aPWM-generate.jpg 930w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aPWM-generate-300x229.jpg 300w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aPWM-generate-768x585.jpg 768w\" sizes=\"auto, (max-width: 930px) 100vw, 930px\" \/><\/figure>\n\n\n\n<p>\u3000\uff13\u5024\u30c7\u30fc\u30bf\u306f\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u3067\u751f\u6210\u3057\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u6642\u9593\u9593\u9694\u3067\u3001\uff14\u3064\u306eDuty\u30c7\u30fc\u30bf\u3092\u5b9a\u671f\u7684\u306b\u9001\u308a\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u30021\/44.1kHz=\u7d0423\u03bcS\u3068\u3044\u3046\u3001\u3068\u3066\u3082\u77ed\u3044\u6642\u9593\u3067\u30c7\u30fc\u30bf\u3092\u9001\u308b\u306e\u3067\u3001\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u304c\u4ecb\u5728\u3059\u308b\u306e\u306f\u975e\u5e38\u306b\u82e6\u3057\u3044\u8981\u4ef6\u3067\u3059\u3002\u305d\u3053\u3067\u3001DMA\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5229\u7528\u3057\u30cf\u30fc\u30c9\u30a6\u30a8\u30a2\u3067\u81ea\u52d5\u7684\u306b\u8ee2\u9001\u3055\u305b\u308b\u65b9\u6cd5\u3092\u4f7f\u3044\u307e\u3059\u3002\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u30bf\u30a4\u30de\u30e2\u30b8\u30e5\u30fc\u30eb\u306744.1kHz\u3092\u51fa\u3057\u3001\u305d\u308c\u3067\u30c8\u30ea\u30ac\u3092\u304b\u3051\u308c\u3070\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3000\u30e1\u30e2\u30ea\u306e\u8d70\u67fb\u306f\u3001\uff11\u30c8\u30ea\u30ac\u3067\uff14\u30c7\u30fc\u30bf\u3001\u30e1\u30e2\u30ea\u30d0\u30c3\u30d5\u30a1\u3092\u5168\u3066\u3092\u8ee2\u9001\u3057\u7d42\u3048\u305f\u3089\u3001\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u306b\u5272\u8fbc\u3092\u767a\u751f\u3055\u305b\u3066\u3001\u6b21\u306e\u30c7\u30fc\u30bf\u3092\u7528\u610f\u3057\u307e\u3059\u3002\uff12\u9762\u306e\u30e1\u30e2\u30ea\u30d0\u30c3\u30d5\u30a1\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u3067\u30c7\u30fc\u30bf\u3092\u5165\u308c\u66ff\u3048\u308b\u51e6\u7406\u306e\u6642\u9593\u3092\u304b\u305b\u304e\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"739\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aPWM-generate2-739x1024.jpeg\" alt=\"\" class=\"wp-image-173\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aPWM-generate2-739x1024.jpeg 739w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aPWM-generate2-216x300.jpeg 216w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aPWM-generate2-768x1064.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aPWM-generate2.jpeg 1000w\" sizes=\"auto, (max-width: 739px) 100vw, 739px\" \/><\/figure>\n\n\n\n<p>\u3000\u9ad8\u6a5f\u80fd\u30bf\u30a4\u30de\u30e2\u30b8\u30e5\u30fc\u30eb\uff08Advanced-control timers TIM1,TIM8\uff09\u306ePWM\u30e2\u30fc\u30c9\u3067\u306f\u3001\u6700\u5927\uff14\u3064\u306ePWM\u4fe1\u53f7\u3092\u51fa\u529b\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002PWM\u5468\u6ce2\u6570\u306f\u3001\u5168\u3066\u5171\u901a\u3068\u306a\u308b\u6761\u4ef6\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306e\u7528\u9014\u3067\u306f\u5168\u304f\u554f\u984c\u306a\u304f\u3001\u9006\u306b\u540c\u671f\u3055\u308c\u305f\u4fe1\u53f7\u3067\u597d\u90fd\u5408\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-Data440Hz-1024x788.jpg\" alt=\"\" class=\"wp-image-175\" width=\"610\" height=\"469\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-Data440Hz-1024x788.jpg 1024w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-Data440Hz-300x231.jpg 300w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-Data440Hz-768x591.jpg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-Data440Hz.jpg 1188w\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" \/><figcaption>\u5b9f\u969b\u306b\u3001\u51fa\u529b\u3057\u305f\u6642\u306e\u72b6\u6cc1\u3067\u3059\u3002\u7528\u610f\u3059\u308b\u97f3\u58f0\u30c7\u30fc\u30bf\u306f\u8868\u8a08\u7b97\u30bd\u30d5\u30c8\u3067\u4f5c\u308a\u3001\u6570\u5024\u3092\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306b\u57cb\u3081\u8fbc\u307f\u307e\u3057\u305f\u3002\u89e3\u308a\u3084\u3059\u3044\u3088\u3046\u306b440Hz\u306e\u6b63\u5f26\u6ce2\u3067\u3059\u3002\uff11\u30d5\u30ec\u30fc\u30e0\uff08\uff11\uff10\uff12\uff14\u30b5\u30f3\u30d7\u30eb\u00d7\u30b9\u30c6\u30ec\u30aa\uff09\u5206\u306e\u30c7\u30fc\u30bf\u3067\u3059\u306e\u3067\u3001\u3061\u3087\u3063\u3068\u5927\u5909\u3067\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"425\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-F446_PWM3_440Hz-1024x425.png\" alt=\"\" class=\"wp-image-176\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-F446_PWM3_440Hz-1024x425.png 1024w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-F446_PWM3_440Hz-300x125.png 300w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-F446_PWM3_440Hz-768x319.png 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21aTest-F446_PWM3_440Hz.png 1366w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u3053\u308c\u304c\u3001\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089\u51fa\u529b\u3055\u308c\u305f\u4fe1\u53f7\u3067\u3059\u3002\u30d4\u30f3\u30af=L\uff0b\u3001\u6c34\u8272=L-\u3001\u7dd1=R+\u3001\u9ec4\u8272=R-\u3002\u3046\u307e\u304f\u3001\u51fa\u529b\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"\u7701\u96fb\u529b\u5316\">\u7701\u96fb\u529b\u5316<\/h5>\n\n\n\n<p>\u3000\u6700\u7d42\u7684\u306b\u306f\u3001\uff12\u5024\u5236\u5fa1\u3059\u308b\u4e8b\u306b\u8a2d\u8a08\u5909\u66f4\u3068\u306a\u308a\u307e\u3057\u305f\u304c\u3001\u5909\u66f4\u306f\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u3092\u4fee\u6b63\u3059\u308b\u3060\u3051\u3067\u5bfe\u5fdc\u53ef\u80fd\u3067\u3059\u3002\u305d\u308c\u3088\u308a\u3082\u3001\u30a2\u30a4\u30c9\u30eb\u6642\u306e\u7701\u96fb\u529b\u5316\u5bfe\u7b56\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u306a\u304a\u3001\u30a2\u30a4\u30c9\u30eb\u306e\u5224\u5b9a\u306f\u3001\u97f3\u58f0\u4fe1\u53f7\u304c\u3042\u308b\u6642\u9593\u7121\u304f\u306a\u3063\u305f\u4e8b\u3092\u691c\u51fa\u3057\u305f\u3089\u30a2\u30a4\u30c9\u30eb\u3068\u3057\u3001\u4fe1\u53f7\u304c\u3042\u3063\u305f\u3089\u5373\u6642\u5fa9\u5e30\u3067\u3059\u3002\u6b21\u306e\u5bfe\u7b56\u3092\u8003\u3048\u3001\u8a66\u884c\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5bfe\u7b56<\/th><th>\u5177\u4f53\u5185\u5bb9<\/th><th>\u52b9\u679c<\/th><\/tr><\/thead><tbody><tr><td>\u30d0\u30c3\u30af\u30e9\u30a4\u30c8\u30aa\u30d5<\/td><td>\u57fa\u672c\u5bfe\u5fdc<\/td><td>-0.2W<\/td><\/tr><tr><td>\u30b9\u30d4\u30fc\u30ab\u96fb\u6e90\u30aa\u30d5<\/td><td>DC-DC\u30b3\u30f3\u30d0\u30fc\u30bf\u306eON\/OFF\u5236\u5fa1\u30d4\u30f3\u3067\u5bfe\u5fdc\u53ef\u80fd<\/td><td>\u672a\u9069\u5fdc<\/td><\/tr><tr><td>PWM\u30aa\u30d5<\/td><td>PWM\u51fa\u529b\u3092\u505c\u6b62\u3057\u30b9\u30d4\u30fc\u30ab\u306b\u96fb\u6d41\u304c\u6d41\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/td><td>-0.4W\uff0850%\u51fa\u529b\uff09<\/td><\/tr><tr><td>\u30da\u30ea\u30d5\u30a7\u30e9\u30eb\u505c\u6b62<\/td><td>USB\u306f\u505c\u6b62\u3067\u304d\u306a\u3044\u3001ADC\u3092\u505c\u6b62\u3059\u308b\u3068Wakeup\u7528\u306e\u4ed5\u7d44\u307f\u304c\u5fc5\u8981\u306b\u306a\u308b\u306e\u3067\u96e3\u3057\u3044<\/td><td><\/td><\/tr><tr><td>CPU\u30b9\u30ea\u30fc\u30d7<\/td><td>\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u5185\u306bSLEEP\u3092\u7d44\u307f\u5165\u308c\u308b\uff08\u5272\u8fbc\u3067\u5fa9\u5e30\uff09-0.3W\u306e\u52b9\u679c\u304c\u3042\u3063\u305f\u304c\u3001Bluetooth\u95a2\u4fc2\u3067\u4e0d\u5177\u5408\u304c\u51fa\u305f<\/td><td>\u672a\u9069\u5fdc<\/td><\/tr><tr><td>CPU\u30b9\u30c6\u30c3\u30d7\u30c0\u30a6\u30f3<\/td><td>\u30a2\u30a4\u30c9\u30eb\u6642\u306bCPU\u30b3\u30a2\u30921\/8\u306b\u6e1b\u901f\u3059\u308b\u30ed\u30b8\u30c3\u30af\u3092\u7d44\u8fbc\u307f<\/td><td>-0.3W<\/td><\/tr><tr><td><\/td><td>\u5408\u8a08<\/td><td>-0.9W<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u6700\u7d42\u7684\u306a\u30a2\u30a4\u30c9\u30eb\u6642\u306e\u6d88\u8cbb\u96fb\u529b\u306f\u30010.6W\u3068\u306a\u308a\u307e\u3057\u305f\u306e\u3067\u554f\u984c\u7121\u3057\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30dc\u30ea\u30e5\u30fc\u30e0\u4f4d\u7f6e<\/th><th>\u30a2\u30af\u30c6\u30a3\u30d6\u6642<\/th><th>\u30a2\u30a4\u30c9\u30ebBL\u30aa\u30d5<\/th><th>\u30a2\u30a4\u30c9\u30ebMOE\u30aa\u30d5<\/th><th>\u30a2\u30a4\u30c9\u30eb\u30af\u30ed\u30c3\u30af1\/8<\/th><\/tr><\/thead><tbody><tr><td>\u6700\u5c0f<\/td><td>1.1W<\/td><td>0.9W<\/td><td>0.9W<\/td><td>0.6W<\/td><\/tr><tr><td>\u4e2d\u9593<\/td><td>1.4W<\/td><td>1.2W<\/td><td>0.9W<\/td><td>0.6W<\/td><\/tr><tr><td>\u6700\u5927<\/td><td>3.0W<\/td><td>2.5W<\/td><td>0.9W<\/td><td>0.6W<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>BL\u30aa\u30d5\uff1a\u30d0\u30c3\u30af\u30e9\u30a4\u30c8\u6d88\u706f<br>MOE\u30aa\u30d5\uff1aPWM\u306e\u51fa\u529b\u3092\u6291\u6b62\uff08__HAL_TIM_MOE_DISABLE\uff09<br>\u30af\u30ed\u30c3\u30af1\/8\uff1aAHB\u30d7\u30ea\u30b9\u30b1\u30fc\u30e9\u3092\u64cd\u4f5c\uff08RCC_CFGR\u30ec\u30b8\u30b9\u30bf\u306eHPRE\u3092\u5909\u66f4\uff09<br>\u3000\u4e0a\u8a18\u306e\u6d88\u8cbb\u96fb\u529b\u306f6VAC\u30a2\u30c0\u30d7\u30bf\u3092\u4f7f\u7528\u3057\u305f\u6642\u306b\u3001100V\u30e9\u30a4\u30f3\u4e0a\u3067\u306e\u96fb\u529b\u3092\u8a08\u6e2c\u3057\u305f\u5024\u3067\u3059\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u56de\u8def\">\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u56de\u8def<\/h5>\n\n\n\n<p>\u5177\u4f53\u7684\u306aH\u30d6\u30ea\u30c3\u30b8\u56de\u8def\u3092\u7d44\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"756\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge-756x1024.jpg\" alt=\"\" class=\"wp-image-178\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge-756x1024.jpg 756w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge-221x300.jpg 221w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge-768x1041.jpg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge.jpg 1000w\" sizes=\"auto, (max-width: 756px) 100vw, 756px\" \/><\/figure>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\">\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9<\/h6>\n\n\n\n<p>\u3000\u4e00\u756a\u697d\u306a\u300c\u30d5\u30eb\u30d6\u30ea\u30c3\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u300d\u3092\u3001\u8a66\u3057\u3066\u307f\u307e\u3059\u3002\u3053\u3093\u306a\u4e8b\u3082\u3042\u308d\u3046\u304b\u3068\u3001\u4e8b\u524d\u306b\u8cb7\u3044\u8fbc\u3093\u3067\u3044\u305fROHM\u306eBD6211\u3092\u4f7f\u3063\u3066\u307f\u307e\u3059\u3002\u30d6\u30e9\u30b7\u4ed8\u304d\u30e2\u30fc\u30bf\u7528H\u30d6\u30ea\u30c3\u30b8\u30c9\u30e9\u30a4\u30d0\u3067\u3059\u304c\u3001\u56de\u8def\u7684\u306b\u306f\u4f7f\u3048\u308b\u306f\u305a\u3067\u3059\u3002\u30e2\u30fc\u30bf\u30fc\u3082\u30b9\u30d4\u30fc\u30ab\u3082\u30b3\u30a4\u30eb\u306e\u4e00\u7a2e\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>BD6211F\uff1a100\u5186\uff0f\u79cb\u6708<\/li><li>\u6700\u5927\u5b9a\u683c7V1A<\/li><li>\u96fb\u6e90=3~5.5V<\/li><li>Pd=0.7W\u3001Ron=1\u03a9<\/li><li>PWM\u4fe1\u53f7\u5165\u529b20k~100kHz<\/li><li><strong>\u4fdd\u8b77\u6a5f\u80fd\u4ed8\u304d\uff08\u904e\u96fb\u6d41\uff0f\u904e\u96fb\u5727\uff0f\u904e\u71b1\uff0f\u4e0d\u8db3\u96fb\u5727\uff09<\/strong><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"756\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge2-756x1024.jpg\" alt=\"\" class=\"wp-image-179\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge2-756x1024.jpg 756w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge2-222x300.jpg 222w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge2-768x1040.jpg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge2.jpg 800w\" sizes=\"auto, (max-width: 756px) 100vw, 756px\" \/><\/figure>\n\n\n\n<p>\u3000\u5916\u4ed8\u3051\u90e8\u54c1\u304c\u4e0d\u8981\u3067\u3001\u914d\u7dda\u6570\u3082\u6700\u5c11\u3067\u3059\u304c\u3001\u5c0f\u3055\u3044SOP8\u30d1\u30c3\u30b1\u30fc\u30b8\u306a\u306e\u3067\u3001\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u57fa\u677f\u306e\u5c0f\u7247\u306b\u56de\u8def\u3092\u7d44\u3093\u3067\u306e\u78ba\u8a8d\u4f5c\u696d\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\uff12\u5024\u5236\u5fa1\uff1a\u826f\u597d<\/li><li>\uff13\u5024\u5236\u5fa1\uff1a\u5c0f\u97f3\u91cf\u6642\u306e\u97f3\u8cea\u304c\u60aa\u3044\u3001\u6211\u6162\u3067\u304d\u306a\u3044\u30ec\u30d9\u30eb<\/li><\/ul>\n\n\n\n<p>\u3000\u672c\u5f53\u306b\u97f3\u304c\u51fa\u307e\u3057\u305f\u3002\u7528\u610f\u3057\u305f\u97f3\u58f0\u30c7\u30fc\u30bf\u306e440Hz\u6b63\u5f26\u6ce2\u304c\u3001\u601d\u3063\u3066\u3044\u305f\u3088\u308a\u826f\u3044\u97f3\u306b\u805e\u3053\u3048\u3001\u97f3\u91cf\u3082\u5341\u5206\u3002\uff12\u5024\u5236\u5fa1\u306f\u52a3\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u601d\u3044\u8fbc\u307f\u304c\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u304c\u6253\u3061\u6d88\u3055\u308c\u307e\u3057\u305f\u3002\uff13\u5024\u5236\u5fa1\u306b\u3053\u3060\u308f\u308a\u304c\u306a\u3051\u308c\u3070\u3001\u3053\u308c\u3067\u5341\u5206\u3067\u3059\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"\u30d5\u30eb\u30b2\u30fc\u30c8\u99c6\u52d5\">\u30d5\u30eb\u30b2\u30fc\u30c8\u99c6\u52d5<\/h6>\n\n\n\n<p>\u3000\u300c\u30d5\u30eb\u30b2\u30fc\u30c8\u99c6\u52d5\u300d\u306f\u3001\u6b8b\u5ff5\u306a\u304c\u3089STM32F4\u3067\u306f\u4ed5\u69d8\u7684\u306b\u5b9f\u73fe\u3067\u304d\u307e\u305b\u3093\u3002\u306a\u305c\u304b\u3001\uff14\u756a\u76ee\u306e\u53cd\u8ee2\u51fa\u529b\u6a5f\u80fd\u3060\u3051\u304c\u7121\u3044\u70ba\u3067\u3059\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"pn\u30b3\u30f3\u30d3\u30cd\u30fc\u30b7\u30e7\u30f3\">PN\u30b3\u30f3\u30d3\u30cd\u30fc\u30b7\u30e7\u30f3<\/h6>\n\n\n\n<p>\u3000H\u30d6\u30ea\u30c3\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u6c7a\u307e\u308a\u3060\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u300cPN\u30b3\u30f3\u30d3\u30cd\u30fc\u30b7\u30e7\u30f3\u300d\u3082\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"725\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge3-725x1024.jpg\" alt=\"\" class=\"wp-image-180\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge3-725x1024.jpg 725w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge3-212x300.jpg 212w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge3-768x1085.jpg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge3.jpg 800w\" sizes=\"auto, (max-width: 725px) 100vw, 725px\" \/><\/figure>\n\n\n\n<p>\u3000\u7d20\u5b50\u306e\u9078\u5b9a\u3067\u3059\u304c\u3001\u5165\u624b\u3057\u3084\u3059\u305d\u3046\u306a\u90e8\u54c1\u304b\u3089\u5e7e\u3064\u304b\u691c\u8a0e\u3057\u307e\u3057\u305f\u3002\u8981\u4ef6\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u76f4\u63a5\u30b2\u30fc\u30c8\u30c9\u30e9\u30a4\u30d6\uff083.3V10mA\uff09\u3067\u304d\u308b\uff08Ids\/Vgs\u304c1A\/3V\u3001Ciss\u304c100pF\uff09<\/li><li>IDS\u304c1A\u4ee5\u4e0a<\/li><li>100KHz\u3050\u3089\u3044\u306ePWM\u99c6\u52d5<\/li><li>RDS\u306f100m\u03a9\u4ee5\u4e0b\uff08\u5927\u304d\u3044\u3068\u767a\u71b1\u304c\u8a31\u5bb9\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u306e\u3067\uff09<\/li><\/ul>\n\n\n\n<p>\u3000\u50be\u5411\u3068\u3057\u3066\u3001IDS\u304c\u5927\u304d\u3044\u54c1\u7a2e\u306f\u30b2\u30fc\u30c8\u99c6\u52d5\u304c\u91cd\u3044\uff08Qg\u3084Ciss\u304c\u5927\u304d\u3044\uff09\u306e\u30671A\u524d\u5f8c\u306e\u3082\u306e\u3067\u63a2\u3059\u3068\u6761\u4ef6\u306b\u5408\u3046\u7269\u304c\u898b\u3064\u304b\u308b\u3088\u3046\u306b\u601d\u3044\u307e\u3059\u3002 \u305d\u3082\u305d\u30823.3V\u3067\u30b2\u30fc\u30c8\u3092\u958b\u9589\u3067\u304d\u3001\u304b\u3064IDS\u304c1A\u7d1a\u306e\u54c1\u7a2e\u306f\u5c11\u306a\u3044\u3088\u3046\u3067\u3059\u3002\u3082\u3057\u3001\u898b\u3064\u304b\u3089\u306a\u3051\u308c\u3070\u3001\u5225\u9014\u30b2\u30fc\u30c8\u30c9\u30e9\u30a4\u30d0\u3092\u7528\u610f\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u8a2d\u8a08\u3057\u3066\u3044\u305f\u6642\u70b9\u3067\u306f\u3001IRML2402, 2SK1772, FDS4675, 2SJ518, Si6544\u3067\u3057\u305f\u3002\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u4e0a\u4e0d\u5b89\u304c\u6b8b\u308a\u307e\u3059\u304c\u3001FDS6612, FDS4559\u3082\u53ef\u80fd\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3000\u4eca\u56de\u306f\u3001\u624b\u6301\u3061\u90e8\u54c1\u306e\u95a2\u4fc2\u3067\u300c2SJ518+2SK1772\u300d\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002\u5076\u7136\u306b\u3082\u3001\u3069\u3061\u3089\u3082SOT223\u30d1\u30c3\u30b1\u30fc\u306e\u30eb\u30cd\u30b5\u30b9\u30c6\u30af\u30ce\u30ed\u30b8\u793e\u88fd\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u4e0a\u306e\u4ed5\u69d8\u3082\u4f3c\u3066\u3044\u307e\u3059\u3002\u666e\u901a\u306fLTspice\u3067\u56de\u8def\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u78ba\u8a8d\u3092\u3057\u305f\u65b9\u304c\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304c\u3001\u3069\u3093\u306a\u97f3\u304c\u51fa\u308b\u306e\u304b\u6c17\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u30d1\u30b9\u3057\u307e\u3057\u305f\u3002\u30c6\u30b9\u30c8\u7528\u306e\u99c6\u52d5\u96fb\u6e90\u306f\u3001\u6700\u60aa\u30b7\u30e7\u30fc\u30c8\u72b6\u614b\u306b\u306a\u308b\u306e\u3067\u4e7e\u96fb\u6c60\uff12\u672c\u3092\u96fb\u6e90\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"378\" height=\"338\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge4.jpg\" alt=\"\" class=\"wp-image-181\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge4.jpg 378w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bH-Bridge4-300x268.jpg 300w\" sizes=\"auto, (max-width: 378px) 100vw, 378px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>\uff12\u5024\u5236\u5fa1\uff1a\u826f\u597d<\/li><li>\uff13\u5024\u5236\u5fa1\uff1a\u3061\u3087\u3063\u3068\u96e3\u3042\u308a\uff08\u5c0f\u97f3\u91cf\u6642\u304c\u304c\u3055\u3064\u304f\u3001\u534a\u5206\u4ee5\u4e0a\u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u958b\u3051\u306a\u3044\u3068\u97f3\u8cea\u304c\u6c17\u306b\u306a\u308b\u3001\u5165\u529b\u30ec\u30d9\u30eb\u3092\u4e0b\u3052\u308c\u3070\u97f3\u8cea\u306f\u6539\u5584\u3055\u308c\u308b\u304c\u3001\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u304c\u76ee\u7acb\u3064\uff09<\/li><\/ul>\n\n\n\n<p>\u3000H\u30d6\u30ea\u30c3\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3068\u540c\u3058\u3088\u3046\u306a\u7d50\u679c\u306b\u306a\u308a\u307e\u3057\u305f\u304c\u3001\uff13\u5024\u5236\u5fa1\u306f\u3060\u3044\u3076\u826f\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\uff13\u5024\u5236\u5fa1\uff1d\u96fb\u529b\u52b9\u7387\u306b\u56fa\u57f7\u3057\u305f\u3044\u306e\u3067\u3001\u4eca\u56de\u306f\u3053\u3061\u3089\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"760\" height=\"567\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bTest-440Hz-2SK1774-2SJ518-L.png\" alt=\"\" class=\"wp-image-182\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bTest-440Hz-2SK1774-2SJ518-L.png 760w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bTest-440Hz-2SK1774-2SJ518-L-300x224.png 300w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><figcaption>\u6642\u9593\u8ef8\u3092\u5ef6\u3070\u3057\u305f\u6642\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306f\u6b8b\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u3068\u3066\u3082\u826f\u3044\u6ce2\u5f62\u3067\u3057\u305f\u3002\u30aa\u30b7\u30ed\u306e\u6ce2\u5f62\u3088\u308a\u3001\u8033\u3067\u805e\u3044\u305f\u65b9\u304c\u826f\u3044\u611f\u3058\u3092\u53d7\u3051\u307e\u3057\u305f\u3002<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"760\" height=\"567\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bTest-440Hz-FDS4459-Rg10-R.png\" alt=\"\" class=\"wp-image-183\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bTest-440Hz-FDS4459-Rg10-R.png 760w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.21bTest-440Hz-FDS4459-Rg10-R-300x224.png 300w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><figcaption>\u3061\u306a\u307f\u306b\u3001\u6b21\u70b9\u306e\u30c7\u30d0\u30a4\u30b9FDS4559\u3082\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u4e0a\u3067\u53b3\u3057\u3044\u3068\u5206\u3063\u3066\u306f\u3044\u307e\u3057\u305f\u304c\u3001\u3084\u3063\u3071\u308a\u30c0\u30e1\u3067\u3057\u305f\u3002\u30de\u30a4\u30ca\u30b9\u5074\u304c\u3046\u307e\u304f\u99c6\u52d5\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u591a\u5206\u3001N-MOS FET\u5074\u306e\u30b2\u30fc\u30c8\u99c6\u52d5\u96fb\u5727\u304c\u4e0d\u5341\u5206\u3060\u3063\u305f\u306e\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u97f3\u306f\u77ed\u6ce2\u30e9\u30b8\u30aa\uff08SSB\u5909\u8abf\u3001\u82e5\u3044\u4eba\u306f\u308f\u304b\u3093\u306a\u3044\u304b\u3082\u306d\uff09\u307f\u305f\u3044\u3067\u3059\u3002\u8a00\u3063\u3066\u3044\u308b\u4e8b\u306f\u5224\u5225\u3067\u304d\u308b\u3051\u3069\u3001\u305d\u306e\u7a0b\u5ea6\u3068\u3044\u3046\u611f\u3058\u3067\u3059\u3002\u9078\u5b9a\u306e\u6642\u671f\u3067\u3001\u5165\u624b\u3057\u3084\u3059\u3044\u90e8\u54c1\u304c\u5909\u308f\u3063\u3066\u6765\u307e\u3059\u306e\u3067\u3001\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3068\u306b\u3089\u3081\u3063\u3053\u3067\u63a2\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u8868\u793a-\u64cd\u4f5c\u90e8\">\u8868\u793a\u30fb\u64cd\u4f5c\u90e8<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u30bf\u30c3\u30c1\u6a5f\u80fd\u4ed8\u304dlcd\u30e2\u30b8\u30e5\u30fc\u30eb\">\u30bf\u30c3\u30c1\u6a5f\u80fd\u4ed8\u304dLCD\u30e2\u30b8\u30e5\u30fc\u30eb<\/h4>\n\n\n\n<p>\u3000\u30b0\u30e9\u30d5\u30a3\u30c3\u30afLCD\u30e2\u30b8\u30e5\u30fc\u30eb\u81ea\u4f53\u306f\u3001\u624b\u6301\u3061\u90e8\u54c1\u306e\u95a2\u4fc2\u3067\u65e2\u306b\u78ba\u5b9a\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>SUCCESS ELECTRONIC\u793e\u3000S95160-32<\/li><li>3.2\u30f3\u30c1240\u00d7320\u30c9\u30c3\u30c8TFT<\/li><li>\u30bf\u30c3\u30c1\u30d1\u30cd\u30eb\u4ed8<\/li><li>3V\u5358\u4e00\u96fb\u6e90<\/li><\/ul>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"gui\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\">GUI\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea<\/h5>\n\n\n\n<p>\u3000STM\u793e\u304b\u3089\u7121\u6599\u3067\u4f7f\u7528\u3067\u304d\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4eca\u56de\u306f\u81ea\u5206\u3067\u4f5c\u6210\u3057\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3046\u3053\u3068\u3068\u3057\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u4ed5\u69d8\u3092\u8aad\u307f\u8fbc\u3080\u306e\u304c\u9762\u5012\u306a\u305f\u3081\u3067\u3059\u3002<br>\u3000\u5177\u4f53\u7684\u306a\u753b\u9762\u306e\u8868\u793a\uff0f\u5165\u529b\u64cd\u4f5c\u30d1\u30cd\u30eb\u3092\u8a2d\u8a08\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"\u753b\u9762\u30ec\u30a4\u30a2\u30a6\u30c8\u8a2d\u8a08\">\u753b\u9762\u30ec\u30a4\u30a2\u30a6\u30c8\u8a2d\u8a08<\/h5>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"755\" height=\"1024\" data-id=\"186\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31a-755x1024.jpeg\" alt=\"\" class=\"wp-image-186\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31a-755x1024.jpeg 755w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31a-221x300.jpeg 221w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31a-768x1042.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31a.jpeg 1000w\" sizes=\"auto, (max-width: 755px) 100vw, 755px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"754\" height=\"1024\" data-id=\"187\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31b-754x1024.jpeg\" alt=\"\" class=\"wp-image-187\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31b-754x1024.jpeg 754w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31b-221x300.jpeg 221w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31b-768x1043.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31b.jpeg 1000w\" sizes=\"auto, (max-width: 754px) 100vw, 754px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"755\" height=\"1024\" data-id=\"188\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31c-755x1024.jpeg\" alt=\"\" class=\"wp-image-188\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31c-755x1024.jpeg 755w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31c-221x300.jpeg 221w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31c-768x1042.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31c.jpeg 1000w\" sizes=\"auto, (max-width: 755px) 100vw, 755px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"755\" height=\"1024\" data-id=\"189\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31d-755x1024.jpeg\" alt=\"\" class=\"wp-image-189\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31d-755x1024.jpeg 755w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31d-221x300.jpeg 221w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31d-768x1042.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31d.jpeg 1000w\" sizes=\"auto, (max-width: 755px) 100vw, 755px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"751\" height=\"1024\" data-id=\"190\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31e-751x1024.jpeg\" alt=\"\" class=\"wp-image-190\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31e-751x1024.jpeg 751w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31e-220x300.jpeg 220w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31e-768x1048.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31e.jpeg 1000w\" sizes=\"auto, (max-width: 751px) 100vw, 751px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"757\" height=\"1024\" data-id=\"191\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31f-757x1024.jpeg\" alt=\"\" class=\"wp-image-191\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31f-757x1024.jpeg 757w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31f-222x300.jpeg 222w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31f-768x1038.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31f.jpeg 1000w\" sizes=\"auto, (max-width: 757px) 100vw, 757px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"1024\" data-id=\"192\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31g-758x1024.jpeg\" alt=\"\" class=\"wp-image-192\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31g-758x1024.jpeg 758w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31g-222x300.jpeg 222w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31g-768x1038.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31g.jpeg 1000w\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"756\" height=\"1024\" data-id=\"193\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31h-756x1024.jpeg\" alt=\"\" class=\"wp-image-193\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31h-756x1024.jpeg 756w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31h-222x300.jpeg 222w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31h-768x1040.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31h.jpeg 1000w\" sizes=\"auto, (max-width: 756px) 100vw, 756px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"681\" height=\"1024\" data-id=\"194\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31i-681x1024.jpeg\" alt=\"\" class=\"wp-image-194\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31i-681x1024.jpeg 681w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31i-199x300.jpeg 199w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31i-768x1155.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31i.jpeg 1000w\" sizes=\"auto, (max-width: 681px) 100vw, 681px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"685\" height=\"1024\" data-id=\"195\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31j-685x1024.jpeg\" alt=\"\" class=\"wp-image-195\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31j-685x1024.jpeg 685w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31j-201x300.jpeg 201w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31j-768x1149.jpeg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31j-1027x1536.jpeg 1027w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31j-1369x2048.jpeg 1369w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31j-1568x2345.jpeg 1568w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31j-scaled.jpeg 1712w\" sizes=\"auto, (max-width: 685px) 100vw, 685px\" \/><\/figure>\n<figcaption class=\"blocks-gallery-caption\">\u8272\u3005\u8003\u3048\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u64cd\u4f5c\u7121\u3057\u306b\uff11\u753b\u9762\u3067\u5168\u3066\u6307\u793a\u3067\u304d\u308b\u306b\u306f3\u30a4\u30f3\u30c1\u30af\u30e9\u30b9\u306e\u753b\u9762\u304c\u5fc5\u8981\u3067\u3059\u3002\u521d\u671f\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3067\u4f7f\u308f\u308c\u305f\u6d41\u901a\u91cf\u306e\u591a\u3044320&#215;240\u30d4\u30af\u30bb\u30eb\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u9069\u5408\u3057\u307e\u3059\u3002\u81ea\u4f5c\u7528\u9014\u3067\u3082\u30b3\u30b9\u30d1\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"798\" height=\"529\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31k.jpg\" alt=\"\" class=\"wp-image-196\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31k.jpg 798w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31k-300x199.jpg 300w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.31k-768x509.jpg 768w\" sizes=\"auto, (max-width: 798px) 100vw, 798px\" \/><\/figure>\n\n\n\n<p>\u3000\u753b\u9762\u5207\u308a\u66ff\u3048\u5f0f\u306b\u3059\u308b\u3068\u64cd\u4f5c\u304c\u82e5\u5e72\u9762\u5012\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001\uff11\u753b\u9762\u306b\u5168\u3066\u53ce\u3081\u308b\u4e8b\u306b\u56fa\u57f7\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u8abf\u6574\u524d\u306e\u4fe1\u53f7<\/td><td>\u5165\u529b\u30ec\u30d9\u30eb\u7d76\u5bfe\u5024\u3092\u78ba\u8a8d\uff08\u904e\u5927\u904e\u5c11\u5224\u5b9a\u3001\u30d7\u30ea\u30a2\u30f3\u30d7\u306e\u30c8\u30ea\u30de\u8abf\u6574\u306b\u4f7f\u7528\uff09\u30dc\u30ea\u30e5\u30fc\u30e0\u3067\u6b63\u6bd4\u4f8b\u3059\u308b\u3082\u306e\u306a\u306e\u3067\u3001\u4e0d\u8981\u304b\u3082\u3057\u308c\u307e\u305b\u3093<\/td><\/tr><tr><td>\u8abf\u6574\u5f8c\u306e\u4fe1\u53f7<\/td><td>\u5fc5\u9808\u9805\u76ee\u3001\u305f\u304f\u3055\u3093\u8868\u793a\u3055\u305b\u305f\u3044\u306e\u3067\u3001\u68d2\u30b0\u30e9\u30d5\u8868\u73fe\u3067\u554f\u984c\u306a\u3044\u304b\u3068<\/td><\/tr><tr><td>\u30d4\u30fc\u30af\u306e\u30ec\u30d9\u30eb<\/td><td>\u5927\u97f3\u91cf\u6642\u306b\u6b6a\u3093\u3060\u304b\u3069\u3046\u304b\u5224\u65ad\u3067\u304d\u308b\u3001\u30ec\u30d9\u30eb\u30e1\u30fc\u30bf\u306b\u91cd\u7573\u8868\u793a\u3059\u308b\u3068\u898b\u3084\u3059\u3044<\/td><\/tr><tr><td>\u5e73\u5747\u306e\u30ec\u30d9\u30eb<\/td><td>\u30bd\u30fc\u30b9\u306e\u901a\u3057\u3067\u306e\u97f3\u5727\u30ec\u30d9\u30eb\u304c\u5206\u308b<\/td><\/tr><\/tbody><\/table><figcaption>\u5165\u529b\u4fe1\u53f7\u306e\u8868\u73fe<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u8abf\u6574\u30dc\u30ea\u30e5\u30fc\u30e0<\/td><td>\u5165\u529b\u30bd\u30fc\u30b9\u6bce\u306b\u7528\u610f\u3001\u30b9\u30e9\u30a4\u30c9\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u3088\u3046\u306a\u306e\u304c\u826f\u3044\u304b\u3068<\/td><\/tr><tr><td>\u30d0\u30e9\u30f3\u30b9<\/td><td>\u5165\u529b\u30bd\u30fc\u30b9\u6bce\u306b\u7528\u610f\u3001\u4f7f\u7528\u983b\u5ea6\u306f\u9ad8\u304f\u306a\u3044\u306e\u3067\u4f55\u3067\u3082\u826f\u3044<\/td><\/tr><tr><td>\u30aa\u30f3\uff0f\u30aa\u30d5<\/td><td>\u30dc\u30ea\u30e5\u30fc\u30e0\u30920\u307e\u3067\u4e0b\u3052\u3066\u3082\u540c\u3058\u3060\u304c\u3001\u30dc\u30ea\u30e5\u30fc\u30e0\u64cd\u4f5c\u304c\u9762\u5012\u306a\u306e\u3067\u3001\u3042\u3063\u305f\u65b9\u304c\u4fbf\u5229<\/td><\/tr><\/tbody><\/table><figcaption>\u64cd\u4f5c\u6307\u793a<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"306\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/shapeimage_22.png\" alt=\"\" class=\"wp-image-197\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/shapeimage_22.png 400w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/shapeimage_22-300x230.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/figure>\n\n\n\n<p>\u3000\u6700\u7d42\u7684\u306b\u8a2d\u8a08\u3057\u305f\u753b\u9762\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u3059\u3002\u57fa\u672c\u306eGUI\u90e8\u54c1\u3060\u3051\u3067\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u30b9\u30e9\u30a4\u30c9\u30d0\u30fc\u90e8\u54c1\u3092\u4f5c\u3063\u3066\u3082\u3046\u5c11\u3057\u4f7f\u3044\u3084\u3059\u304f\u3057\u305f\u3044\u6240\u3067\u3059\u3002<br><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u97f3\u91cf\u8abf\u6574\">\u97f3\u91cf\u8abf\u6574<\/h4>\n\n\n\n<p>\u3000\u30e1\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30e0\u306f\u3001\u901a\u5e38\u306e\u53ef\u5909\u62b5\u6297\u5668\u3067\u3059\u3002\u4e00\u756a\u3001\u64cd\u4f5c\u983b\u5ea6\u306e\u9ad8\u3044\u90e8\u5206\u3067\u3059\u306e\u3067\u3001\u8010\u4e45\u6027\u304c\u3042\u308a\u3001\u3061\u3087\u3063\u3068\u5927\u304d\u3081\u306b\u3001\u30b3\u30b9\u30c8\u3082\u304b\u3051\u3066\u3082\u826f\u3044\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u96fb\u6e90\u90e8\">\u96fb\u6e90\u90e8<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u5168\u4f53\">\u5168\u4f53<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"747\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.41PowerSupply-747x1024.jpg\" alt=\"\" class=\"wp-image-198\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.41PowerSupply-747x1024.jpg 747w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.41PowerSupply-219x300.jpg 219w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.41PowerSupply-768x1052.jpg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.41PowerSupply.jpg 1000w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\" \/><\/figure>\n\n\n\n<p>DISCO\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u90e8\u5206\u306f\u958b\u767a\u30dc\u30fc\u30c9\u3067\u3001\u5b89\u5b9a\u5316\u3057\u305f5V\u3082\u3057\u304f\u306f\u975e\u5b89\u5b9a\u5316\u306e7V\u301c12V\u306e\u96fb\u6e90\u3092\u8981\u3057\u307e\u3059\u3002\uff08STM32 NUCLEO-64\u306f\u3001\u57fa\u677f\u4e0a\u306b\u96fb\u6e90\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u88c5\u5099\u3057\u3066\u304a\u308a\u3001\u975e\u5b89\u5b9a\u306e\u96fb\u6e90\u3067\u306e\u5165\u529b\u3082\u8a31\u5bb9\u3057\u307e\u3059\uff09\u3002<br>\u3000B\u90e8\u3067\u5fc5\u8981\u3068\u306a\u308b\u96fb\u5727\u3001\u96fb\u6d41\u306f\uff08DC\u3067\u306e\u7c21\u6613\u7684\u306a\u8a08\u7b97\uff09<br>V=\u221a(RP)<br>\u3000\u3000=\u221a(4\u03a9x1.5W)=2.45V<br>\u3000\u3000=\u221a(8\u03a9x1.5W)=3.46V<br>\u3000\u3000\u6b63\u5f26\u6ce2\u6761\u4ef6\u3068\u3059\u308c\u3070\u221a2\u3092\u639b\u3051\u3066\u6700\u5927\u5024\u3092\u6c42\u3081\u308b\u30684.9V\u304c\u5fc5<br>I=\u221a(P\/R)<br>\u3000=\u221a(1.5W\/4\u03a9)=0.61A<br>\u3000=\u221a(1.5W\/8\u03a9)=0.43A<br>\u3000\uff12\u3064\u30b9\u30d4\u30fc\u30ab\u304c\u3042\u308b\u306e\u3067\u3001\u6700\u59271.22A\u4ee5\u4e0a\u5fc5\u8981<br>\u3000\u96fb\u5727\u3068\u3057\u3066\u306f\u3001\u4f59\u88d5\u3092\u6301\u305f\u305b\u308b\u30686V1.3A\u4ee5\u4e0a\u306e\u96fb\u6e90\u304c\u671b\u307e\u3057\u3044\u6240\u3067\u3059\u3002A\u90e8\u30fbB\u90e8\u306e\u517c\u306d\u5408\u3044\u3067\u3001AC-DC\u30a2\u30c0\u30d7\u30bf\u3092\u6c7a\u5b9a\u3059\u308b\u4e8b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>7V\u306eAC-DC\u30a2\u30c0\u30d7\u30bf\u304c\u3042\u308c\u3070\u7406\u60f3\u7684\u3067\u3059\u304c\u3001\u4e00\u822c\u7684\u306b\u306f\u6d41\u901a\u3057\u3066\u3044\u307e\u305b\u3093<\/li><li>5V\u7cfb\u306f\u6d41\u901a\u91cf\u3082\u591a\u3044\u306e\u3067\u5b89\u304f\u5165\u624b\u3067\u304d\u308b<\/li><li>6V\u7cfb\u3082\u6d41\u901a\u91cf\u3082\u591a\u3044\u306e\u3067\u5b89\u304f\u5165\u624b\u3067\u304d\u308b\u304c\u3001NUCLEO\u306e\u4ed5\u69d8\u3067\u306f\u4e00\u5fdc\u4e0d\u53ef\uff08\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u306e\u4ed5\u69d8\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001Typ\u3067\u306fOK\u3001Max\u3067\u306f0.1V\u4e0d\u8db3\uff0f100mA\u6d88\u8cbb\u306e\u5834\u5408\uff09<\/li><li>9V\u7cfb\u3082\u6d41\u901a\u91cf\u3082\u591a\u3044\u306e\u3067\u5b89\u304f\u5165\u624b\u3067\u304d\u308b\u304c\u3001\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u306e\u767a\u71b1\u304c\u5927\u304d\u3044\uff08\u3084\u3063\u3066\u307f\u305f\u308980\u2103\u8d8a\u3048\u3057\u305f\uff09<\/li><\/ul>\n\n\n\n<p>\u30005V\u96fb\u6e90\u3067\u5b9f\u969b\u904b\u7528\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u9ad8\u97f3\u91cf\u3067\u306f\u4e0d\u5341\u5206\u3060\u3068\u611f\u3058\u3089\u308c\u308b\u5834\u9762\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u6211\u6162\u3067\u304d\u308b\u30ec\u30d9\u30eb\u3067\u306f\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u30d0\u30c3\u30af\u30e9\u30a4\u30c8\u7528\u306e\u96fb\u6e90\u306e\u53d6\u308a\u65b9\u3092\u5909\u66f4\u3057\u30016V\u301c9V\u306e\u30a2\u30c0\u30d7\u30bf\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u3002\u5b89\u5b9a\u5316\u3057\u3066\u3044\u306a\u3044\u30a2\u30c0\u30d7\u30bf\u3082\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u30b9\u30d4\u30fc\u30ab\u30c9\u30e9\u30a4\u30d0\u7528\u96fb\u6e90\">\u30b9\u30d4\u30fc\u30ab\u30c9\u30e9\u30a4\u30d0\u7528\u96fb\u6e90<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"758\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.42SpeakerPS-758x1024.jpg\" alt=\"\" class=\"wp-image-200\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.42SpeakerPS-758x1024.jpg 758w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.42SpeakerPS-222x300.jpg 222w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.42SpeakerPS-768x1038.jpg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.42SpeakerPS.jpg 1000w\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" \/><figcaption>muRata\u306eOKL-T3-W12N-C\u304c\u826f\u3055\u305d\u3046\u3067\u3059\u306d\u3002<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5236\u5fa1\u90e8\">\u5236\u5fa1\u90e8<\/h3>\n\n\n\n<p>\u3000\u5f53\u521d\u3001\u4f7f\u3044\u6163\u308c\u305fSTM32F4-Discovery\u30dc\u30fc\u30c9\u3067\u958b\u767a\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u57fa\u677f\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u3057\u3001USB\u304c\u30de\u30a4\u30af\u30edB\u30bf\u30a4\u30d7\u306e\u30b3\u30cd\u30af\u30bf\u306a\u306e\u3067\u3001Bluetooth\u30a2\u30c0\u30d7\u30bf\u3092\u63a5\u7d9a\u3059\u308b\u306b\u306f\u5909\u63db\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u6709\u308b\u305f\u3081\u3001\u3069\u3046\u3057\u3066\u3082\u5916\u5f62\u304c\u30c7\u30ab\u304f\u306a\u308b\u4e8b\u304c\u4e0d\u6e80\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000STM32F4\u306e\u30c1\u30c3\u30d7\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u76f4\u63a5\u57fa\u677f\u30de\u30a6\u30f3\u30c8\u3059\u308b\u6839\u6027\u3082\u306a\u3044\u306e\u3067\u3001\u4eca\u56de\u306f\u540c\u3058\u958b\u767a\u30dc\u30fc\u30c9\u3067\u3082\u3001\u57fa\u677f\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u3066\u5b89\u3044\u3001STM32 Nucleo F446RE\u3092\u4f7f\u7528\u3059\u308b\u4e8b\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306fSTM32F446\u306e64\u30d4\u30f3\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u4e57\u3063\u305f\u7269\u3067\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u6a5f\u80fd\u3068\u96fb\u6e90\u90e8\u5206\u306a\u3069\u6700\u4f4e\u9650\u306e\u90e8\u54c1\u304c\u3059\u3067\u306b\u4e57\u3063\u3066\u304a\u308a\u3001\u307e\u305f\u5168\u3066\u306e\u30d4\u30f3\u304c\u5916\u90e8\u30b3\u30cd\u30af\u30bf\u306b\u3082\u51fa\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u3046\u3044\u3046\u6642\u306b\u5927\u5909\u52a9\u304b\u308b\u30dc\u30fc\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\u30d4\u30f3\u5272\u308a\u5f53\u3066\">\u30d4\u30f3\u5272\u308a\u5f53\u3066<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"684\" height=\"1024\" src=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign-684x1024.jpg\" alt=\"\" class=\"wp-image-201\" srcset=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign-684x1024.jpg 684w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign-201x300.jpg 201w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign-768x1149.jpg 768w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign-1027x1536.jpg 1027w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign-1369x2048.jpg 1369w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign-1568x2346.jpg 1568w, http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign.jpg 1695w\" sizes=\"auto, (max-width: 684px) 100vw, 684px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-98fd59ae-87c9-42d6-9a55-48123fd67b54\" href=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign.numbers\">2.51Pin-assign<\/a><a href=\"http:\/\/www.suzume-syako.jp\/personal3\/wp-content\/uploads\/2021\/02\/2.51Pin-assign.numbers\" class=\"wp-block-file__button\" download aria-describedby=\"wp-block-file--media-98fd59ae-87c9-42d6-9a55-48123fd67b54\">\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>\n\n\n\n<p>\u3000\u4e0a\u534a\u5206\u304c\u3001NUCLEO\u306e\u6a19\u6e96\u72b6\u614b\u3067\u3001\u4e0b\u534a\u5206\u304c\u4eca\u56de\u306e\u5272\u5f53\u72b6\u6cc1\u3002LCM\u3068\u306fLCD\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4e8b\u3067\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4e0a\u3052\u305f\u304b\u3063\u305f\u306e\u3067\u3001PC\u3092\u5168\u90e8\u958b\u653e\u3059\u308b\u4e8b\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" 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Toyohiko TOGASHI<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u672c\u8a2d\u8a08 \u4f01\u753b\u6642\u306b\u6c7a\u3081\u305f\u8981\u6c42\u4ed5\u69d8\u306f\u3001\u304a\u304a\u3080\u306d\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002 \u5c0f\u578b\u30aa\u30fc\u30c7\u30a3\u30aa\u30a2\u30f3\u30d7 \u30b9\u30d4\u30fc\u30ab\u30fc\u51fa\u529b\u306f\u30b9\u30c6\u30ec\u30aa1.5W+1.5W(4~8\u03a9) \u30a2\u30ca\u30ed\u30b0\u5165\u529b\u00d72+Bluetooth\u00d71 \u5165\u529b\u306b\u30df\u30ad\u30b7\u30f3\u30b0\u6a5f\u80fd\u3092\u6709\u3059\u308b\u3001\u97f3 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