{"id":214259,"date":"2024-08-11T06:17:40","date_gmt":"2024-08-11T06:17:40","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/?p=214259"},"modified":"2024-08-11T06:17:40","modified_gmt":"2024-08-11T06:17:40","slug":"%e3%83%88%e3%83%a9%e3%83%b3%e3%82%b8%e3%82%b9%e3%82%bf%e3%82%92%e3%82%b9%e3%82%a4%e3%83%83%e3%83%81%e3%81%a8%e3%81%97%e3%81%a6%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e3%83%88%e3%83%a9%e3%83%b3%e3%82%b8%e3%82%b9%e3%82%bf%e3%82%92%e3%82%b9%e3%82%a4%e3%83%83%e3%83%81%e3%81%a8%e3%81%97%e3%81%a6%e4%bd%bf%e3%81%86%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u3046\u65b9\u6cd5"},"content":{"rendered":"<p class=\"sidekick\">\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u3046\u65b9\u6cd5\uff1a\u57fa\u790e\u539f\u7406\u304b\u3089\u5b9f\u969b\u306e\u5fdc\u7528\u307e\u3067\u3001\u7c21\u5358\u306a\u89e3\u8aac\u3067\u308f\u304b\u308a\u3084\u3059\u304f\u5b66\u3079\u307e\u3059\u3002\u521d\u5fc3\u8005\u306b\u3082\u6700\u9069\u306a\u30ac\u30a4\u30c9\u3002<\/p>\n<h2>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u3046\u65b9\u6cd5<\/h2>\n<p>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306f\u3001\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9\u306e\u4e16\u754c\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u57fa\u672c\u7684\u306a\u90e8\u54c1\u306e\u4e00\u3064\u3067\u3059\u3002\u3053\u308c\u3092\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u3046\u3053\u3068\u3067\u3001\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u3084\u30a2\u30ca\u30ed\u30b0\u56de\u8def\u306b\u304a\u3044\u3066\u591a\u7a2e\u591a\u69d8\u306a\u52d5\u4f5c\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306f\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u57fa\u672c\u69cb\u9020<\/h2>\n<p>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306b\u306f\u4e3b\u306b2\u7a2e\u985e\u3042\u308a\u307e\u3059\uff1a\u30d0\u30a4\u30dd\u30fc\u30e9\u63a5\u5408\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf (BJT) \u3068\u96fb\u754c\u52b9\u679c\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf (FET) \u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u9020\u3092\u6301\u3063\u3066\u3044\u307e\u3059\uff1a<\/p>\n<ul>\n<li>BJT: \u30a8\u30df\u30c3\u30bf (E)\u3001\u30d9\u30fc\u30b9 (B)\u3001\u30b3\u30ec\u30af\u30bf (C)<\/li>\n<li>FET: \u30bd\u30fc\u30b9 (S)\u3001\u30b2\u30fc\u30c8 (G)\u3001\u30c9\u30ec\u30a4\u30f3 (D)<\/li>\n<\/ul>\n<h2>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u52d5\u4f5c\u30e2\u30fc\u30c9<\/h2>\n<p>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306f\u57fa\u672c\u7684\u306b3\u3064\u306e\u52d5\u4f5c\u30e2\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ol>\n<li>\u30ab\u30c3\u30c8\u30aa\u30d5\u30e2\u30fc\u30c9: \u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u304c\u30aa\u30d5\u306e\u72b6\u614b<\/li>\n<li>\u30a2\u30af\u30c6\u30a3\u30d6\u30e2\u30fc\u30c9: \u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u304c\u4fe1\u53f7\u3092\u5897\u5e45\u3059\u308b\u72b6\u614b<\/li>\n<li>\u30b5\u30c1\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30e2\u30fc\u30c9: \u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u304c\u5b8c\u5168\u306b\u30aa\u30f3\u306e\u72b6\u614b<\/li>\n<\/ol>\n<h2>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u3046\u65b9\u6cd5<\/h2>\n<p>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u3046\u5834\u5408\u3001\u4e3b\u306b\u30ab\u30c3\u30c8\u30aa\u30d5\u30e2\u30fc\u30c9\u3068\u30b5\u30c1\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30e2\u30fc\u30c9\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30ab\u30c3\u30c8\u30aa\u30d5\u30e2\u30fc\u30c9<\/h3>\n<p>\u3053\u306e\u30e2\u30fc\u30c9\u3067\u306f\u3001\u30d9\u30fc\u30b9-\u30a8\u30df\u30c3\u30bf\u9593 (BJT) \u3082\u3057\u304f\u306f\u30b2\u30fc\u30c8-\u30bd\u30fc\u30b9\u9593 (FET) \u306b\u5341\u5206\u306a\u96fb\u5727\u304c\u4f9b\u7d66\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306f\u30aa\u30d5\u306e\u72b6\u614b\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u30b3\u30ec\u30af\u30bf-\u30a8\u30df\u30c3\u30bf\u9593 (BJT) \u3082\u3057\u304f\u306f\u30c9\u30ec\u30a4\u30f3-\u30bd\u30fc\u30b9\u9593 (FET) \u306b\u96fb\u6d41\u304c\u6d41\u308c\u307e\u305b\u3093\u3002<\/p>\n<h3>\u30b5\u30c1\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30e2\u30fc\u30c9<\/h3>\n<p>\u3053\u306e\u30e2\u30fc\u30c9\u3067\u306f\u3001\u30d9\u30fc\u30b9-\u30a8\u30df\u30c3\u30bf\u9593 (BJT) \u3082\u3057\u304f\u306f\u30b2\u30fc\u30c8-\u30bd\u30fc\u30b9\u9593 (FET) \u306b\u5341\u5206\u306a\u96fb\u5727\u304c\u4f9b\u7d66\u3055\u308c\u308b\u305f\u3081\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306f\u30aa\u30f3\u306e\u72b6\u614b\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u5927\u304d\u306a\u96fb\u6d41\u304c\u30b3\u30ec\u30af\u30bf-\u30a8\u30df\u30c3\u30bf\u9593 (BJT) \u3082\u3057\u304f\u306f\u30c9\u30ec\u30a4\u30f3-\u30bd\u30fc\u30b9\u9593 (FET) \u306b\u6d41\u308c\u307e\u3059\u3002<\/p>\n<h2>\u56de\u8def\u306e\u8a2d\u8a08<\/h2>\n<p>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u3046\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u56de\u8def\u8a2d\u8a08\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<ul>\n<li>\u30d9\u30fc\u30b9\u62b5\u6297 (R_b) \u3082\u3057\u304f\u306f\u30b2\u30fc\u30c8\u62b5\u6297 (R_g) \u3092\u4f7f\u7528\u3057\u3066\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u5236\u5fa1\u3059\u308b<\/li>\n<li>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306e\u30b3\u30ec\u30af\u30bf\u3082\u3057\u304f\u306f\u30c9\u30ec\u30a4\u30f3\u306b\u8ca0\u8377 (\u4f8b\u3048\u3070 LED \u3084\u30e2\u30fc\u30bf\u30fc) \u3092\u63a5\u7d9a\u3059\u308b<\/li>\n<li>\u96fb\u6e90\u96fb\u5727 (V_cc) \u3068\u30b0\u30e9\u30a6\u30f3\u30c9 (GND) \u3092\u9069\u5207\u306b\u63a5\u7d9a\u3059\u308b<\/li>\n<\/ul>\n<p>\u4f8b\u3048\u3070\u3001NPN\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u306eBJT\u3092\u4f7f\u7528\u3057\u305f\u57fa\u672c\u7684\u306a\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u56de\u8def\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<pre>\n  V_cc\n   |\n  Load\n   |\n  Collector (C)\n   \\ \n   Transistor (NPN)\n   \/\n  Emitter (E)\n   |\n  GND\n<\/pre>\n<p>\u3053\u306e\u56de\u8def\u3067\u306f\u3001\u30d9\u30fc\u30b9\u306b\u9069\u5207\u306a\u96fb\u5727 (V_b) \u3092\u4f9b\u7d66\u3059\u308b\u3053\u3068\u3067\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30aa\u30f3\u306b\u3057\u3001\u30b3\u30ec\u30af\u30bf-\u30a8\u30df\u30c3\u30bf\u9593\u306b\u96fb\u6d41\u3092\u6d41\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001V_b \u306f\u6b21\u306e\u95a2\u4fc2\u3092\u6e80\u305f\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<p>\n  V_b > V_be\n<\/p>\n<ul>\n<li>V_be \u306f\u30d9\u30fc\u30b9-\u30a8\u30df\u30c3\u30bf\u9593\u96fb\u5727\u3067\u3001\u4e00\u822c\u7684\u306b0.7V\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u65b9\u6cd5\u3067\u3001\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u52b9\u679c\u7684\u306b\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30b9\u30a4\u30c3\u30c1\u3068\u3057\u3066\u4f7f\u3046\u65b9\u6cd5\uff1a\u57fa\u790e\u539f\u7406\u304b\u3089\u5b9f\u969b\u306e\u5fdc\u7528\u307e\u3067\u3001\u7c21\u5358\u306a\u89e3\u8aac\u3067\u308f\u304b\u308a\u3084\u3059\u304f\u5b66\u3079\u307e\u3059\u3002\u521d\u5fc3\u8005\u306b\u3082\u6700\u9069\u306a\u30ac\u30a4\u30c9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[102],"tags":[],"class_list":["post-214259","post","type-post","status-publish","format-standard","hentry","category-102","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- 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