{"id":70649,"date":"2023-11-13T07:51:28","date_gmt":"2023-11-13T07:51:28","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e9%9b%bb%e6%b5%81%e5%88%b6%e5%be%a1%e9%9b%bb%e6%b5%81%e6%ba%90%e3%81%af%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e5%8b%95%e4%bd%9c%e3%81%97%e3%81%be%e3%81%99%e3%81%8b%ef%bc%9f\/"},"modified":"2023-11-13T10:49:38","modified_gmt":"2023-11-13T10:49:38","slug":"%e9%9b%bb%e6%b5%81%e5%88%b6%e5%be%a1%e9%9b%bb%e6%b5%81%e6%ba%90%e3%81%af%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e5%8b%95%e4%bd%9c%e3%81%97%e3%81%be%e3%81%99%e3%81%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e9%9b%bb%e6%b5%81%e5%88%b6%e5%be%a1%e9%9b%bb%e6%b5%81%e6%ba%90%e3%81%af%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e5%8b%95%e4%bd%9c%e3%81%97%e3%81%be%e3%81%99%e3%81%8b%ef%bc%9f\/","title":{"rendered":"\u96fb\u6d41\u5236\u5fa1\u96fb\u6d41\u6e90\u306f\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3057\u307e\u3059\u304b\uff1f"},"content":{"rendered":"<p class=\"sidekick\">\u96fb\u6d41\u5236\u5fa1\u96fb\u6d41\u6e90\u306e\u539f\u7406\u3068\u52d5\u4f5c\u3001\u57fa\u672c\u69cb\u9020\u3001\u7279\u6027\u3001\u5fdc\u7528\u3092\u89e3\u8aac\u3002\u96fb\u5b50\u56de\u8def\u8a2d\u8a08\u306b\u304a\u3051\u308bCCCS\u306e\u91cd\u8981\u6027\u3068\u6d3b\u7528\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>\u96fb\u6d41\u5236\u5fa1\u96fb\u6d41\u6e90\uff08Current-Controlled Current Source: CCCS\uff09\u3068\u306f<\/h2>\n<p>\u96fb\u6d41\u5236\u5fa1\u96fb\u6d41\u6e90\uff08CCCS\uff09\u306f\u3001\u3042\u308b\u56de\u8def\u306e\u96fb\u6d41\u3092\u611f\u77e5\u3057\u3001\u305d\u306e\u96fb\u6d41\u306b\u6bd4\u4f8b\u3059\u308b\u96fb\u6d41\u3092\u5225\u306e\u5834\u6240\u3067\u6d41\u3059\u30a2\u30ca\u30ed\u30b0\u96fb\u5b50\u56de\u8def\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3053\u306e\u96fb\u6d41\u6e90\u306f\u3001\u4e3b\u306b\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u51e6\u7406\u3084\u96fb\u529b\u5897\u5e45\u306e\u5206\u91ce\u3067\u898b\u3089\u308c\u3001\u7279\u5b9a\u306e\u96fb\u6d41\u5024\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<p>\u52d5\u4f5c\u539f\u7406\u306f\u3001\u5165\u529b\u3068\u306a\u308b\u300c\u5236\u5fa1\u96fb\u6d41\u300d\u306b\u6bd4\u4f8b\u3059\u308b\u96fb\u6d41\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u3067\u3042\u308a\u3001\u3053\u306e\u6bd4\u4f8b\u4fc2\u6570\u3092\u30c8\u30e9\u30f3\u30b9\u30b3\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\uff08transconductance\uff09\u307e\u305f\u306f\u5909\u63db\u30b2\u30a4\u30f3\u3068\u547c\u3073\u307e\u3059\u3002\u5178\u578b\u7684\u306b\u306f\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3084\u30aa\u30da\u30a2\u30f3\u30d7\u306a\u3069\u306e\u534a\u5c0e\u4f53\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u96fb\u6d41\u5236\u5fa1\u96fb\u6d41\u6e90\u306e\u57fa\u672c\u7684\u306a\u69cb\u9020<\/h2>\n<p>CCCS\u306f\u4e3b\u306b\u3001\u611f\u77e5\u62b5\u6297\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3001\u305d\u3057\u3066\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u57fa\u672c\u3068\u3057\u305f\u96fb\u5b50\u90e8\u54c1\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u611f\u77e5\u62b5\u6297\u306f\u3001\u5236\u5fa1\u96fb\u6d41\u306e\u5927\u304d\u3055\u3092\u96fb\u5727\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u3053\u306e\u96fb\u5727\u306f\u30aa\u30da\u30a2\u30f3\u30d7\u3092\u4ecb\u3057\u3066\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u30d9\u30fc\u30b9\u96fb\u6d41\u3092\u5236\u5fa1\u3057\u3001\u7d50\u679c\u3068\u3057\u3066\u51fa\u529b\u96fb\u6d41\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u611f\u77e5\u62b5\u6297\uff08Rsense\uff09: \u5236\u5fa1\u96fb\u6d41\uff08I<sub>control<\/sub>\uff09\u3092\u6d41\u3059\u3068\u3001\u305d\u306e\u96fb\u6d41\u306b\u6bd4\u4f8b\u3057\u305f\u96fb\u5727\uff08V<sub>sense<\/sub>\uff09\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/li>\n<li>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf: V<sub>sense<\/sub>\u306b\u3088\u3063\u3066\u30d9\u30fc\u30b9\u96fb\u6d41\u304c\u5236\u5fa1\u3055\u308c\u3001\u30b3\u30ec\u30af\u30bf\u30fc\u304b\u3089\u30a8\u30df\u30c3\u30bf\u30fc\u3078\u306e\u51fa\u529b\u96fb\u6d41\uff08I<sub>out<\/sub>\uff09\u304c\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u30aa\u30da\u30a2\u30f3\u30d7: \u9ad8\u3044\u5165\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u6301\u3061\u3001V<sub>sense<\/sub>\u304b\u3089\u306e\u5fae\u5c0f\u306a\u96fb\u5727\u5909\u5316\u3082\u62fe\u3044\u4e0a\u3052\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u30d9\u30fc\u30b9\u96fb\u6d41\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>CCCS\u306f\u3001V<sub>sense<\/sub> = I<sub>control<\/sub> * R<sub>sense<\/sub>\u3068\u3044\u3046\u95a2\u4fc2\u306b\u3088\u3063\u3066\u96fb\u5727\u3092\u751f\u6210\u3057\u3001\u3053\u306e\u96fb\u5727\u3092\u7528\u3044\u3066I<sub>out<\/sub> = \u03b2 * I<sub>control<\/sub>\uff08\u03b2\u306f\u30c8\u30e9\u30f3\u30b9\u30b3\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\uff09\u3068\u3044\u3046\u51fa\u529b\u96fb\u6d41\u3092\u5f97\u307e\u3059\u3002\u03b2\u306f\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u5229\u5f97\u3084\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u7279\u6027\u306b\u3088\u3063\u3066\u8a2d\u5b9a\u3055\u308c\u3001\u56de\u8def\u8a2d\u8a08\u306b\u3088\u3063\u3066\u53ef\u5909\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>CCCS\u306e\u5fdc\u7528\u4f8b\u3068\u3057\u3066\u306f\u3001\u96fb\u6d41\u30df\u30e9\u30fc\u56de\u8def\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u6d41\u30df\u30e9\u30fc\u56de\u8def\u3067\u306f\u3001\u4e00\u65b9\u306e\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u4ecb\u3057\u3066\u6d41\u308c\u308b\u96fb\u6d41\u3092\u3082\u3046\u4e00\u65b9\u306e\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306b\u300c\u30df\u30e9\u30fc\u300d\u3059\u308b\u3053\u3068\u3067\u3001\u540c\u4e00\u306e\u96fb\u6d41\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u96c6\u7a4d\u56de\u8def\uff08IC\uff09\u8a2d\u8a08\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3001\u6b63\u78ba\u306a\u96fb\u6d41\u306e\u30b3\u30d4\u30fc\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u96fb\u6d41\u5236\u5fa1\u96fb\u6d41\u6e90\u306e\u52d5\u4f5c\u7279\u6027<\/h2>\n<p>CCCS\u306e\u52d5\u4f5c\u7279\u6027\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u96fb\u6d41\u5236\u5fa1\u6a5f\u80fd\u306b\u52a0\u3048\u3066\u3001\u5468\u6ce2\u6570\u5fdc\u7b54\u3001\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3001\u6e29\u5ea6\u5b89\u5b9a\u6027\u306a\u3069\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u9ad8\u5468\u6ce2\u5fdc\u7b54\u306b\u304a\u3044\u3066\u306f\u3001\u30aa\u30da\u30a2\u30f3\u30d7\u3084\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u5e2f\u57df\u5e45\u304cCCCS\u306e\u6027\u80fd\u3092\u6c7a\u5b9a\u3065\u3051\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u3001\u8ca0\u8377\u306b\u5bfe\u3057\u3066\u96fb\u6d41\u6e90\u304c\u3069\u308c\u3060\u3051\u7406\u60f3\u7684\u306a\u632f\u308b\u821e\u3044\u3092\u3059\u308b\u304b\u3001\u3059\u306a\u308f\u3061\u8ca0\u8377\u5909\u52d5\u306b\u5bfe\u3057\u3066\u51fa\u529b\u96fb\u6d41\u3092\u4e00\u5b9a\u306b\u4fdd\u3064\u80fd\u529b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u6e29\u5ea6\u5b89\u5b9a\u6027\u306b\u95a2\u3057\u3066\u306f\u3001\u534a\u5c0e\u4f53\u30c7\u30d0\u30a4\u30b9\u306f\u6e29\u5ea6\u306b\u654f\u611f\u3067\u3042\u308a\u3001\u7279\u306b\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u7279\u6027\u306f\u6e29\u5ea6\u5909\u5316\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u5909\u52d5\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6e29\u5ea6\u88dc\u511f\u56de\u8def\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u671b\u307e\u3057\u3044\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u5236\u5fa1\u96fb\u6d41\u304c\u5909\u5316\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u6e29\u5ea6\u5909\u5316\u306b\u3088\u308b\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u5b89\u5b9a\u3057\u305f\u96fb\u6d41\u51fa\u529b\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u52a0\u3048\u3066\u3001CCCS\u306f\u30ce\u30a4\u30ba\u306b\u5bfe\u3057\u3066\u3082\u654f\u611f\u3067\u3042\u308b\u305f\u3081\u3001\u56de\u8def\u8a2d\u8a08\u306b\u304a\u3044\u3066\u306f\u30ce\u30a4\u30ba\u30ea\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306e\u5bfe\u7b56\u3082\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u96fb\u6e90\u30e9\u30a4\u30f3\u306b\u30c7\u30ab\u30c3\u30d7\u30ea\u30f3\u30b0\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u96fb\u6e90\u7531\u6765\u306e\u30ce\u30a4\u30ba\u3092\u6e1b\u5c11\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h2>\u96fb\u6d41\u5236\u5fa1\u96fb\u6d41\u6e90\u306e\u5fdc\u7528<\/h2>\n<p>CCCS\u306f\u3001\u305d\u306e\u9ad8\u7cbe\u5ea6\u3068\u67d4\u8edf\u6027\u304b\u3089\u3001\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u51e6\u7406\u3084\u30bb\u30f3\u30b5\u30fc\u306e\u8aad\u307f\u53d6\u308a\u3001\u3055\u3089\u306b\u306f\u56de\u8def\u4fdd\u8b77\u6a5f\u80fd\u3068\u3057\u3066\u3082\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u904e\u96fb\u6d41\u4fdd\u8b77\u56de\u8def\u306b\u304a\u3044\u3066\u3001\u7279\u5b9a\u306e\u95be\u5024\u3092\u8d85\u3048\u308b\u96fb\u6d41\u3092\u691c\u51fa\u3057\u3001\u56de\u8def\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u53ef\u5909\u30b2\u30a4\u30f3\u30a2\u30f3\u30d7\u30ea\u30d5\u30a1\u30a4\u30e4\u306b\u304a\u3051\u308b\u30b2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