{"id":190,"date":"2017-01-03T23:26:22","date_gmt":"2017-01-03T14:26:22","guid":{"rendered":"http:\/\/yukisako.xsrv.jp\/entry\/operational-amplifier"},"modified":"2017-01-03T23:26:22","modified_gmt":"2017-01-03T14:26:22","slug":"operational-amplifier","status":"publish","type":"post","link":"https:\/\/skill-hacks.co.jp\/media\/operational-amplifier\/","title":{"rendered":"\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u57fa\u790e\u3092\u5b87\u5b99\u4e00\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3066\u307f\u308b"},"content":{"rendered":"<p><!-- [mathjax] --><\/p>\n<p>\u30aa\u30da\u30a2\u30f3\u30d7\u3063\u3066\u306a\u3093\u304b\u8907\u96d1\u306b\u898b\u3048\u307e\u3059\u3088\u306d\u2026 \u305f\u3060\uff0c\u308f\u304b\u3063\u3066\u3057\u307e\u3048\u3070\u7c21\u5358\u306a\u3093\u3067\u3059\u3088\uff0e<\/p>\n<p>\u4eca\u56de\u306f\u30aa\u30da\u30a2\u30f3\u30d7\u306b\u82e6\u3057\u3080\u5927\u5b66\u751f\u306e\u7686\u3055\u3093\u306b\u5411\u3051\u3066\uff0c\u56f3\u3082\u3075\u3093\u3060\u3093\u306b\u4f7f\u3063\u3066\u304b\u306a\u308a\u4e01\u5be7\u306b\u8aac\u660e\u3057\u3066\u307f\u307e\u3057\u305f\uff0e<\/p>\n<p>\u5b66\u3093\u3060\u3082\u306e\u3092\u81ea\u5206\u306e\u4e2d\u306b\u305f\u3081\u3066\u304a\u3051\u3070\u305d\u308c\u307e\u3067\u3067\u3059\u304c\uff0c\u30d6\u30ed\u30b0\u3067\u767a\u4fe1\u3059\u308c\u3070\u305d\u308c\u304c\u8ab0\u304b\u306e\u652f\u3048\u306b\u306a\u308b\uff0e<\/p>\n<p>\u304a\u305d\u3089\u304f\u65e5\u672c\u3067\u6bce\u5e74\u4f55\u4e07\u4eba\u3082\u304c\u82e6\u3057\u3080\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u7406\u89e3\uff0c\u305d\u306e\u52a9\u3051\u306b\u306a\u308c\u3070\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p><\/p>\n<p><!--more--><\/p>\n<h2 id=\"\u30aa\u30da\u30a2\u30f3\u30d7\u3068\u306f\">\u30aa\u30da\u30a2\u30f3\u30d7\u3068\u306f<\/h2>\n<p>\u30aa\u30da\u30a2\u30f3\u30d7\u3068\u306f\uff0c\u5fae\u5f31\u306a\u4fe1\u53f7\u3092\u5897\u5e45\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u96c6\u7a4d\u56de\u8def\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p>\u4fe1\u53f7\u5897\u5e45\u3084\u30d5\u30a3\u30eb\u30bf\uff0c\u6f14\u7b97\u56de\u8def\u306a\u3069\u306b\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\uff0e<\/p>\n<p>\u307e\u305a\u306f\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u56de\u8def\u8a18\u53f7\u304b\u3089\u5b9f\u969b\u306b\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509132648p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509132648.png\" alt=\"\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u56de\u8def\u8a18\u53f7\"><\/p>\n<p>\u30aa\u30da\u30a2\u30f3\u30d7\u306b\u306f\u5165\u529b\u304c2\u7aef\u5b50\u3042\u308a\uff0c\u51fa\u529b\u304c1\u7aef\u5b50\u3042\u308a\u307e\u3059\uff0e<\/p>\n<p><strong>\u7c21\u5358\u306b\u8a00\u3046\u3068\u5165\u529b\u96fb\u5727\\(V_1\\)\u3068\\(V_2\\)\u3092\u4e0e\u3048\u305f\u6642\uff0c\u305d\u306e\u5dee\u306b\u57fa\u3065\u3044\u305f\u51fa\u529b\u96fb\u5727\\(V_o\\)\u304c\u51fa\u529b\u3055\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059<\/strong><\/p>\n<p>\u3055\u3066\uff0c\u3053\u3053\u3067\u5165\u529b\u96fb\u5727\\(V_1\\)\u3068\\(V_2\\)\u3092\u4e0e\u3048\u305f\u3068\u304d\u306e\uff0c\u51fa\u529b\u96fb\u5727\\(V_o\\)\u3068\u306e\u95a2\u4fc2\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p><strong>\u5165\u529b\u96fb\u5727\\(V_1\\)\u3068\\(V_2\\)\u53ca\u3073\u51fa\u529b\u96fb\u5727\\(V_o\\)\u306e\u9593\u306b\u306f\uff0c\\(V_o = A(V_2-V_1)\\)\u3068\u3044\u3046\u95a2\u4fc2\u304c\u3042\u308a\u307e\u3059<\/strong><\/p>\n<p>\u3044\u304d\u306a\u308a\u51fa\u73fe\u3057\u305fA\u3068\u306f\uff0c\u30aa\u30da\u30a2\u30f3\u30d7\u304c\u6301\u3064\u56fa\u6709\u306e\u5024\u3067\uff0c1\u4e07\u3068\u304b10\u4e07\u3068\u304b\u3044\u3046\u5024\u3092\u6301\u3063\u3066\u3044\u308b\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509132735p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509132735.png\" alt=\"\u5897\u5e45\u7387A\u306e\u610f\u5473\u3092\u56f3\u89e3\"><\/p>\n<p>\u4f8b\u3048\u3070\uff0c\\(V_1\\)\u304c0.1[mV]\u3068\\(V_1\\)\u304c0[mV]\u3092\uff0c\u5897\u5e45\u7387\u304c10\u4e07\u306e\u30aa\u30da\u30a2\u30f3\u30d7\u306b\u4e0e\u3048\u3066\u3042\u3052\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509132800p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509132800.png\" alt=\"\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u5897\u5e45\u7387\u306e\u5177\u4f53\u7684\u306a\u8a08\u7b97\"><\/p>\n<p>\u306f\u3044\uff0c0.1mV\u306e\u4fe1\u53f7\u3092-10V\u306b\u307e\u3067\u5897\u5e45\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3057\u305f\u306d\uff0e<\/p>\n<p>\u3061\u306a\u307f\u306b\uff0c\u9014\u4e2d\u3067\u51fa\u3066\u304d\u305f\u3053\u306e\u8a18\u53f7\u306f\uff0c0V\u3068\u3059\u308b\u5834\u6240\u3092\u793a\u3059\u63a5\u5730\u56de\u8def\u306e\u8a18\u53f7\u3067\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509132810p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509132810.png\" alt=\"\u30b0\u30e9\u30a6\u30f3\u30c9\u8a18\u53f7GND\u306e\u89e3\u8aac\"><\/p>\n<p>\u8a71\u3092\u623b\u3059\u3068\uff0c\\(V_o = A(V_2-V_1)\\)\u3068\u3044\u3046\u5f0f\u304b\u3089\u5206\u304b\u308b\u3088\u3046\u306b\uff0c\u30aa\u30da\u30a2\u30f3\u30d7\u306f<strong>2\u3064\u306e\u5165\u529b\u306e\u5dee\u3092\u5897\u5e45\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b<\/strong>\u3068\u3044\u3046\u308f\u3051\u3067\u3059\uff0e<\/p>\n<p>\u3064\u307e\u308a\uff0c\u30bb\u30f3\u30b5\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u5fae\u5f31\u306a\u4fe1\u53f7\u306a\u3069\u3092\uff0c\u30de\u30a4\u30b3\u30f3\u3067\u6271\u3048\u308b\u4fe1\u53f7\u306e\u5927\u304d\u3055\u307e\u3067\u5897\u5e45\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3068\u3044\u3046\u4fbf\u5229\u3055\uff0e<\/p>\n<p>\u3053\u308c\u306f\u3059\u3054\u3044\u767a\u660e\u3067\u3059\uff0e<\/p>\n<h2 id=\"\u9650\u754c\u306f\u306a\u3044\u306e\">\u9650\u754c\u306f\u306a\u3044\u306e\uff1f<\/h2>\n<p>\u3067\u306f\uff0c\u5897\u5e45\u3067\u304d\u308b\u4fe1\u53f7\u306e\u5927\u304d\u3055\u306b\u9650\u754c\u306f\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u3082\u3061\u308d\u3093\u3042\u308a\u307e\u3059\uff0e<\/p>\n<p>\u9650\u754c\u304c\u306a\u304b\u3063\u305f\u3089\uff0c\u305d\u308c\u3053\u305d\u30aa\u30da\u30a2\u30f3\u30d7\u30923\u3064\u4f7f\u3063\u3066\uff0c10[mV]\u306e\u96fb\u5727\u3092\u307e\u305a10\u4e07\u500d\u3057\u3066\uff0c\u305d\u308c\u30922\u500b\u76ee\u306e\u30aa\u30da\u30a2\u30f3\u30d7\u3067\u3055\u3089\u306b10\u4e07\u500d\u3057\u3066\u2026\u3063\u3066\u5927\u5909\u306a\u3053\u3068\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p>\u3082\u3061\u308d\u3093\u305d\u3093\u306a\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\uff0e<\/p>\n<p>\u5b9f\u306f\uff0c\u5b9f\u969b\u306e\u30aa\u30da\u30a2\u30f3\u30d7\u3067\u306f\uff0c\u4ee5\u4e0b\u306e\u753b\u50cf\u306e\u3088\u3046\u306b\u6b63\u96fb\u6e90\u3068\u8ca0\u96fb\u6e90\u306e2\u3064\u3092\u3064\u306a\u304e\u307e\u3059\uff0e<\/p>\n<p>\u3064\u306a\u3044\u3060\u96fb\u6e90\u4ee5\u4e0a\u306f\u5897\u5e45\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509132825p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509132825.png\" alt=\"\u5b9f\u969b\u306e\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u9650\u754c\u5024\u306e\u8aac\u660e\"><\/p>\n<p>\u5177\u4f53\u7684\u306a\u6570\u5b57\u3067\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u96fb\u6e90\u96fb\u5727\u3068\u3057\u3066\uff0c15[V]\u3092\u304b\u3051\u308b\u3068\u3057\u307e\u3059\uff0e<\/p>\n<p>\u5148\u7a0b\u306f\uff0c10[mV]\u3092\u5897\u5e45\u3057\u307e\u3057\u305f\uff0e<\/p>\n<p>\u5897\u5e45\u306b\u3088\u308a\uff0c-10[V]\u306e\u51fa\u529b\u3092\u5f97\u305f\u308f\u3051\u3067\u3059\u304c\uff0c\u3067\u306f20[mV]\u306f\u5897\u5e45\u3067\u304d\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133547p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133547.png\" alt=\"\u9650\u754c\u3092\u8d85\u3048\u305f\u6642\u306e\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u51fa\u529b\u5024\u3092\u56f3\u89e3\"><\/p>\n<p>\u3053\u3046\u306a\u3063\u3066\u3057\u307e\u3044\uff0c-15[V]\u301c15[V]\u306e\u9593\u3067\u3057\u304b\u51fa\u529b\u96fb\u5727\u3092\u8abf\u6574\u3067\u304d\u306a\u3044\u308f\u3051\u3067\u3059\u306d\uff0e<\/p>\n<p>\u306a\u306e\u3067\uff0c<strong>\u30aa\u30da\u30a2\u30f3\u30d7\u306f\u3042\u304f\u307e\u3067\u5fae\u5f31\u306a\u4fe1\u53f7\u3092\u6271\u3044\u3084\u3059\u3044\u3088\u3046\u306b\u5927\u304d\u304f\u3059\u308b<\/strong>\u305f\u3081\u306e\u3082\u306e\u306a\u306e\u3067\u3059\uff0e<\/p>\n<h2 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alt=\"\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u30a4\u30de\u30b8\u30ca\u30ea\u30b7\u30e7\u30fc\u30c8\u306e\u89e3\u8aac\u306b\u3064\u306a\u3052\u308b\u305f\u3081\u306e\u524d\u7f6e\u304d\"><\/p>\n<p>\u3053\u306e\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u5834\u5408\uff0c10[mV]\u30680[mV]\u3092\u5165\u308c\u308b\u3068\uff0c-10[V]\u304c\u51fa\u529b\u3055\u308c\u307e\u3057\u305f\uff0e<\/p>\n<p>\u96fb\u6e90\u96fb\u5727\u306b15<img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20V\" alt=\" V\">\u3092\u304b\u3051\u3066\u3044\u308b\u5834\u5408\uff0c\u51fa\u529b\u306f\uff0c-15<img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20V\" alt=\" V\">\u304b\u308915<img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20V\" alt=\" V\">\u306e\u9593\u306b\u306a\u308b\u3068\u5148\u307b\u3069\u8aac\u660e\u3057\u307e\u3057\u305f\uff0e<\/p>\n<p>\u8a00\u3044\u63db\u3048\u308b\u3068\uff0c<strong>2\u3064\u5165\u529b\u4fe1\u53f7\u306e\u5dee\u304c\u5927\u304d\u3044\u5834\u5408\uff0c\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u51fa\u529b\u304c-15<img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20V\" alt=\" V\">\u308415<img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20V\" alt=\" V\">\u3067\u6b62\u307e\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4f7f\u3046\u610f\u5473\u304c\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046<\/strong>\u3068\u3044\u3046\u308f\u3051\u3067\u3059\uff0e<\/p>\n<p>\u3064\u307e\u308a\uff0c\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u51fa\u529b\u304c\u632f\u308a\u5207\u308c\u3066\u3044\u306a\u3044(=\u6709\u52b9\u306b\u4f7f\u3048\u3066\u3044\u308b\u3068\u3053\u308d)\u3067\u306f\uff0c2\u3064\u306e\u5165\u529b\u4fe1\u53f7\u306f\u307b\u307c\u7b49\u3057\u304f\uff0c\u540c\u3058\u3068\u8fd1\u4f3c\u3067\u304d\u308b\u3093\u3067\u3059\u3088\uff0e<\/p>\n<p>\u3053\u308c\u3092\uff0c<strong>\u30a4\u30de\u30b8\u30ca\u30ea\u30b7\u30e7\u30fc\u30c8<\/strong>\u3068\u547c\u3073\u307e\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509132917p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509132917.png\" alt=\"\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u5165\u529b\u96fb\u5727\u306b\u7740\u76ee\u3057\u305f\u30a4\u30de\u30b8\u30ca\u30ea\u30b7\u30e7\u30fc\u30c8\u306e\u56f3\u89e3\"><\/p>\n<p>\u3053\u308c\u306f\u3088\u304f\u4f7f\u3046\u306e\u3067\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\uff0e<\/p>\n<p>\u3053\u3053\u307e\u3067\u3057\u3063\u304b\u308a\u7406\u89e3\u3057\u3066\u304a\u3051\u3070\uff0c\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u57fa\u672c\u7684\u306a\u56de\u8def\u306f\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\uff0e<\/p>\n<p>\u305d\u308c\u3067\u306f\u3053\u3053\u304b\u3089\u306f\uff0c\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4f7f\u3063\u305f\u4ee3\u8868\u7684\u306a\u56de\u8def\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<h2 id=\"\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4f7f\u3063\u305f\u4ee3\u8868\u7684\u306a\u56de\u8def\">\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4f7f\u3063\u305f\u4ee3\u8868\u7684\u306a\u56de\u8def<\/h2>\n<p>\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4f7f\u3063\u305f\u56de\u8def\u306f\u6319\u3052\u3066\u3044\u3051\u3070\u30ad\u30ea\u304c\u306a\u3044\u3067\u3059\u304c\uff0c\u4eca\u56de\u306f\u53cd\u8ee2\u5897\u5e45\u5668\u3068\u52a0\u7b97\u6a5f\u3092\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4f7f\u3048\u3070\uff0c\u5897\u5e45\u3084\u52a0\u7b97(\u8db3\u3057\u7b97)\u3060\u3051\u3067\u306a\u304f\uff0c\u5f15\u304d\u7b97\u3084\u5fae\u5206\uff0c\u7a4d\u5206\uff0c\u30ce\u30a4\u30ba\u306e\u9664\u53bb\u306a\u3069\u3082\u53ef\u80fd\u3067\u3059\uff0e<\/p>\n<p>\u73fe\u4ee3\u3067\u306f\u305d\u306e\u3088\u3046\u306a\u8a08\u7b97\u306f\u30a2\u30ca\u30ed\u30b0\u3067\u306f\u306a\u304f\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u304c\u4e3b\u6d41\u3067\u3059\u304c\u2026<\/p>\n<p>\u3055\u3066\uff0c\u3044\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<h3 id=\"\u53cd\u8ee2\u5897\u5e45\u5668\">\u53cd\u8ee2\u5897\u5e45\u5668<\/h3>\n<p>\u305d\u308c\u3067\u306f\uff0c\u53cd\u8ee2\u5897\u5e45\u5668\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u53cd\u8ee2\u5897\u5e45\u5668\u306f\uff0c\u5165\u529b<img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20V_i\" alt=\" V_i\">\u3092\u5897\u5e45\u3057\u3066\u7b26\u53f7\u3092\u9006\u306b\u3057\u305f\u3082\u306e\u3092\u51fa\u529b<img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20V_o\" alt=\" V_o\">\u3068\u3059\u308b\u56de\u8def\u3067\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509132929p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509132929.png\" alt=\"\u53cd\u8ee2\u5897\u5e45\u5668\u306e\u56de\u8def\u56f3\"><\/p>\n<p>\u30aa\u30da\u30a2\u30f3\u30d7\u3067\u306f\uff0c\u5165\u529b\u306f2\u5165\u529b\u3067\u3059\u304c\uff0c\u4eca\u56de\u306f\u7247\u4e00\u65b9\u306e\u5165\u529b\u306f\u63a5\u5730\u3057\u3066\u3044\u308b\u306e\u30670<img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=V\" alt=\"V\">\u3067\u3059\uff0e<\/p>\n<p>\u307e\u305f\uff0c\u5148\u307b\u3069\u8aac\u660e\u3057\u305f\u30a4\u30de\u30b8\u30ca\u30ea\u30b7\u30e7\u30fc\u30c8\u306b\u3088\u308a\uff0c\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u3082\u3046\u7247\u65b9\u306e\u5165\u529b\u30820<img decoding=\"async\" src=\"http:\/\/chart.apis.google.com\/chart?cht=tx&amp;chl=%20V\" alt=\" V\">\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133026p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133026.png\" alt=\"\u53cd\u8ee2\u5897\u5e45\u5668\u306e\u30a4\u30de\u30b8\u30ca\u30ea\u30b7\u30e7\u30fc\u30c8\u306e\u4f8b\"><\/p>\n<p>\u3055\u3066\uff0c\u3053\u3093\u306a\u3053\u3068\u3057\u305f\u3089\u6012\u3089\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\uff0c\u7406\u89e3\u306e\u305f\u3081\u306b\u3061\u3087\u3063\u3068\u5927\u80c6\u306a\u3053\u3068\u3092\u3057\u307e\u3059\uff0e<\/p>\n<p>\u96fb\u4f4d\u304c\u3069\u3061\u3089\u30820[V]\u306a\u3093\u3060\u3063\u305f\u3089\uff0c\u5916\u3057\u3066\u3057\u307e\u3063\u3066\u3082\u3044\u3044\u3067\u3059\u3088\u306d\uff1f<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133111p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133111.png\" alt=\"\u30a4\u30de\u30b8\u30ca\u30ea\u30b7\u30e7\u30fc\u30c8\u3092\u5229\u7528\u3057\u305f\u56de\u8def\u56f3\u306e\u66f8\u304d\u63db\u3048\"><\/p>\n<p>\u3053\u308c\u3092\u5c11\u3057\u826f\u304f\u898b\u3066\u307f\u308b\u3068\uff0c\u304b\u306a\u308a\u7c21\u5358\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u306b\u6c17\u3065\u304d\u307e\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133122p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133122.png\" alt=\"\u5b9f\u969b\u306b\u56de\u8def\u56f3\u3092\u66f8\u304d\u63db\u3048\u3066\u307f\u308b\u904e\u7a0b\u306e\u56f3\u89e3\"><\/p>\n<p>\u3053\u306e\u7c21\u5358\u5316\u3057\u305f\u56de\u8def\u3092\u8003\u3048\u3066\u3044\u304f\u3068\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\uff0c\u5165\u529b\u3068\u51fa\u529b\u306e\u95a2\u4fc2\u5f0f\u3092\u5c0e\u304f\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133131p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133131.png\" alt=\"\u53cd\u8ee2\u5897\u5e45\u5668\u306e\u51fa\u529b\u96fb\u5727\u3092\u6c42\u3081\u308b\"><\/p>\n<p>\u3064\u307e\u308a\uff0c\u5165\u529b\u3092\\(\\frac{R_2}{R_1}\\)\u500d\u3057\u3066\u7b26\u53f7\u3092\u9006\u306b\u3057\u305f\u3082\u306e\u304c\u51fa\u529b\u306b\u306a\u308b\u308f\u3051\u3067\u3059\uff0e<\/p>\n<p>\u307e\u305f\uff0c\u3053\u306e\u7d50\u679c\u304b\u3089\u8a00\u3048\u308b\u3053\u3068\u3068\u3057\u3066\uff0c<strong>\u5897\u5e45\u7387\u306f\u62b5\u6297\uff12\u3064\u306e\u5927\u304d\u3055\u3092\u304b\u3048\u308c\u3070\u81ea\u7531\u81ea\u5728\u306b\u5909\u3048\u3089\u308c\u308b<\/strong>\u3068\u3044\u3046\u3053\u3068\u3067\u3059\uff0e<\/p>\n<p>\u3053\u308c\u306f\u7d20\u6674\u3089\u3057\u3044\u3053\u3068\u3067\u3059\uff0e<\/p>\n<p>\u53cd\u8ee2\u5897\u5e45\u5668\u3092\u307e\u3068\u3081\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133142p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133142.png\" alt=\"\u53cd\u8ee2\u5897\u5e45\u5668\u306e\u307e\u3068\u3081\"><\/p>\n<h3 id=\"\u52a0\u7b97\u5668\">\u52a0\u7b97\u5668<\/h3>\n<p>\u305d\u308c\u3067\u306f\uff0c\u8db3\u3057\u7b97\u3092\u884c\u3046\u3053\u3068\u304c\u51fa\u6765\u308b\u52a0\u7b97\u5668\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133155p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133155.png\" alt=\"\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4f7f\u3063\u305f\u52a0\u7b97\u5668\u306e\u56f3\u89e3\"><\/p>\n<p>\u3053\u306e\u52a0\u7b97\u5668\u3068\uff0c\u3055\u304d\u307b\u3069\u3067\u3066\u304d\u305f\u53cd\u8ee2\u5897\u5e45\u5668\u3092\u898b\u6bd4\u3079\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133208p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133208.png\" alt=\"\u53cd\u8ee2\u5897\u5e45\u5668\u3068\u52a0\u7b97\u5668\u306e\u9055\u3044\"><\/p>\n<p>\u9a5a\u304f\u307b\u3069\u305d\u3063\u304f\u308a\u3067\u3059\u306d\uff0e<\/p>\n<p>\u3064\u307e\u308a\uff0c\u3055\u304d\u307b\u3069\u307f\u305f\u53cd\u8ee2\u5897\u5e45\u5668\u306e\u5f0f\u3092\u5c11\u3057\u3044\u3058\u3063\u3066\u3042\u3052\u308c\u3070\u52a0\u7b97\u5668\u306e\u5165\u51fa\u529b\u95a2\u4fc2\u5f0f\u304c\u51fa\u3066\u304d\u307e\u3059\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133307p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133307.png\" alt=\"\u53cd\u8ee2\u5897\u5e45\u5668\u306e\u5f0f\u304b\u3089\u52a0\u7b97\u6a5f\u306e\u5f0f\u3092\u6c42\u3081\u308b\u904e\u7a0b\u3092\u56f3\u89e3\"><\/p>\n<p>\u3068\uff0c\u3044\u3046\u3053\u3068\u3067\uff0c\u3053\u306e\u5165\u51fa\u529b\u95a2\u4fc2\u5f0f\u3092\u5909\u5f62\u3057\u3066\u3042\u3052\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p><img decoding=\"async\" class=\"hatena-fotolife\" title=\"f:id:McG:20170509133218p:plain\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/M\/McG\/20170509\/20170509133218.png\" alt=\"\u52a0\u7b97\u5668\u306e\u5f0f\u306e\u5c0e\u51fa\u65b9\u6cd5\u306e\u307e\u3068\u3081\"><\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\uff0c\u8db3\u3057\u7b97\u3092\u884c\u3046\u56de\u8def\u3092\u4f5c\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3057\u305f\uff0e<\/p>\n<h2 id=\"\u6700\u5f8c\u306b\">\u6700\u5f8c\u306b<\/h2>\n<p>\u3053\u3053\u307e\u3067\u3092\u7406\u89e3\u3067\u304d\u308c\u3070\uff0c\u3042\u3068\u306f\u6559\u79d1\u66f8\u3092\u8aad\u3081\u3070\u4ed6\u306e\u56de\u8def\u306e\u95a2\u3057\u3066\u3082\u540c\u69d8\u306b\u7406\u89e3\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p>\u9577\u6587\u3092\u8aad\u3093\u3067\u3044\u305f\u3060\u304d\uff0c\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\uff0e<\/p>\n<p>\u306a\u3093\u304b\u304a\u304b\u3057\u3044\u3068\u3053\u3042\u308c\u3070\u305d\u3063\u3068\u6307\u6458\u304a\u9858\u3044\u3057\u307e\u3059\u2026!!<\/p>\n<div class=\"date-box\">\n<div class=\"date-midashi\">\u52c9\u5f37\u308f\u304b\u3089\u3093\uff0c\u305d\u3093\u306a\u3042\u306a\u305f\u306b<\/div>\n<div class=\"date-content\">\n<p><i class=\"fa fa-arrow-circle-right\"><\/i><a href=\"https:\/\/www.yukisako.xyz\/entry\/text-book\">\u3010\u53b3\u907830\u518a\u3011\u7406\u7cfb\u5927\u5b66\u751f\u304c\u8aad\u3093\u3067\u304a\u304f\u3079\u304d\u53c2\u8003\u66f8\u305f\u3061\u5fb9\u5e95\u307e\u3068\u3081<\/a><\/p>\n<\/div>\n<\/div>\n<div class=\"date-box\">\n<div class=\"date-midashi\">\u95a2\u9023\u8a18\u4e8b<\/div>\n<div class=\"date-content\">\n<p><i class=\"fa fa-arrow-circle-right\"><\/i><a href=\"https:\/\/www.yukisako.xyz\/entry\/semiconductor\">\u5e38\u8b58\u3068\u306a\u308a\u3064\u3064\u534a\u5c0e\u4f53\u306e\u57fa\u790e\u306b\u3064\u3044\u3066\uff0c\u308f\u304b\u308a\u3084\u3059\u304f\u307e\u3068\u3081\u3066\u307f\u308b<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u30aa\u30da\u30a2\u30f3\u30d7\u3063\u3066\u306a\u3093\u304b\u8907\u96d1\u306b\u898b\u3048\u307e\u3059\u3088\u306d\u2026 \u305f\u3060\uff0c\u308f\u304b\u3063\u3066\u3057\u307e\u3048\u3070\u7c21\u5358\u306a\u3093\u3067\u3059\u3088\uff0e \u4eca\u56de\u306f\u30aa\u30da\u30a2\u30f3\u30d7\u306b\u82e6\u3057\u3080\u5927\u5b66\u751f\u306e\u7686\u3055\u3093\u306b\u5411\u3051\u3066\uff0c\u56f3\u3082\u3075\u3093\u3060\u3093\u306b\u4f7f\u3063\u3066\u304b\u306a\u308a\u4e01\u5be7\u306b\u8aac\u660e\u3057\u3066\u307f\u307e\u3057\u305f\uff0e \u5b66\u3093\u3060\u3082\u306e\u3092\u81ea\u5206\u306e\u4e2d\u306b\u305f\u3081\u3066\u304a\u3051\u3070\u305d\u308c &#8230; 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