{"id":209022,"date":"2024-03-21T14:05:30","date_gmt":"2024-03-21T14:05:30","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e3%83%95%e3%82%a3%e3%83%ab%e3%82%bf%e3%83%bc%e3%81%ae%e3%82%ab%e3%83%83%e3%83%88%e3%82%aa%e3%83%95%e5%91%a8%e6%b3%a2%e6%95%b0%e5%85%ac%e5%bc%8f-%e8%a7%a3%e8%aa%ac%e3%81%a8%e8%a8%88%e7%ae%97\/"},"modified":"2024-05-17T15:06:00","modified_gmt":"2024-05-17T15:06:00","slug":"%e3%83%95%e3%82%a3%e3%83%ab%e3%82%bf%e3%83%bc%e3%81%ae%e3%82%ab%e3%83%83%e3%83%88%e3%82%aa%e3%83%95%e5%91%a8%e6%b3%a2%e6%95%b0%e5%85%ac%e5%bc%8f-%e8%a7%a3%e8%aa%ac%e3%81%a8%e8%a8%88%e7%ae%97","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e3%83%95%e3%82%a3%e3%83%ab%e3%82%bf%e3%83%bc%e3%81%ae%e3%82%ab%e3%83%83%e3%83%88%e3%82%aa%e3%83%95%e5%91%a8%e6%b3%a2%e6%95%b0%e5%85%ac%e5%bc%8f-%e8%a7%a3%e8%aa%ac%e3%81%a8%e8%a8%88%e7%ae%97\/","title":{"rendered":"\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u516c\u5f0f | \u89e3\u8aac\u3068\u8a08\u7b97\u65b9\u6cd5"},"content":{"rendered":"

\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306e\u516c\u5f0f\u3068\u8a08\u7b97\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u3084\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4f8b\u3092\u4ea4\u3048\u3066\u3001\u5177\u4f53\u7684\u306a\u8a08\u7b97\u4f8b\u3082\u7d39\u4ecb\u3002<\/p>\n

\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u516c\u5f0f | \u89e3\u8aac\u3068\u8a08\u7b97\u65b9\u6cd5<\/h2>\n

\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u7279\u5b9a\u306e\u5468\u6ce2\u6570\u7bc4\u56f2\u306e\u4fe1\u53f7\u3092\u901a\u904e\u3055\u305b\u305f\u308a\u906e\u65ad\u3057\u305f\u308a\u3059\u308b\u96fb\u5b50\u90e8\u54c1\u3067\u3059\u3002\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\uff08\u307e\u305f\u306f -3dB \u5468\u6ce2\u6570\uff09\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u4fe1\u53f7\u306e\u6e1b\u8870\u3092\u958b\u59cb\u3059\u308b\u5468\u6ce2\u6570\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u306e\u5468\u6ce2\u6570\u4ee5\u4e0a\u3067\u306f\u3001\u4fe1\u53f7\u306e\u5f37\u5ea6\u304c\u6025\u6fc0\u306b\u6e1b\u5c11\u3057\u307e\u3059\u3002\u4eca\u56de\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306e\u516c\u5f0f\u3068\u7c21\u5358\u306a\u8a08\u7b97\u65b9\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u3068\u306f\u4f55\u304b\uff1f<\/h2>\n

\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4e00\u3064\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u5165\u529b\u4fe1\u53f7\u3092\u7279\u5b9a\u306e\u5468\u6ce2\u6570\u3067\u3069\u306e\u304f\u3089\u3044\u6e1b\u8870\u3055\u305b\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d5\u30a3\u30eb\u30bf\u30fc\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n

– **\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc**: \u4f4e\u5468\u6ce2\u6570\u4fe1\u53f7\u3092\u901a\u904e\u3055\u305b\u3001\u9ad8\u5468\u6ce2\u6570\u4fe1\u53f7\u3092\u906e\u65ad\u3057\u307e\u3059\u3002
\n– **\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc**: \u9ad8\u5468\u6ce2\u6570\u4fe1\u53f7\u3092\u901a\u904e\u3055\u305b\u3001\u4f4e\u5468\u6ce2\u6570\u4fe1\u53f7\u3092\u906e\u65ad\u3057\u307e\u3059\u3002
\n– **\u30d0\u30f3\u30c9\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc**: \u7279\u5b9a\u306e\u5468\u6ce2\u6570\u7bc4\u56f2\u306e\u307f\u3092\u901a\u904e\u3055\u305b\u307e\u3059\u3002
\n– **\u30d0\u30f3\u30c9\u30b9\u30c8\u30c3\u30d7\u30d5\u30a3\u30eb\u30bf\u30fc**: \u7279\u5b9a\u306e\u5468\u6ce2\u6570\u7bc4\u56f2\u306e\u307f\u3092\u906e\u65ad\u3057\u307e\u3059\u3002<\/p>\n

\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306e\u516c\u5f0f<\/h2>\n

\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u57fa\u672c\u7684\u306a\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306f\u3001\u4ee5\u4e0b\u306e\u516c\u5f0f\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\uff1a<\/p>\n

$$ f_c = \\frac{1}{2\\pi R C} $$<\/p>\n

\u3053\u3053\u3067\u3001<\/p>\n

– \\( f_c \\)\uff1a\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\uff08Hz\uff09
\n– \\( R \\) \uff1a\u62b5\u6297\u5024\uff08\u30aa\u30fc\u30e0, \u03a9\uff09
\n– \\( C \\) \uff1a\u30ad\u30e3\u30d1\u30b7\u30bf\u30f3\u30b9\uff08\u30d5\u30a1\u30e9\u30c3\u30c9, F\uff09<\/p>\n

\u3068\u306f\u8a00\u3063\u3066\u3082\u3001\u30d0\u30f3\u30c9\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u3084\u30d0\u30f3\u30c9\u30b9\u30c8\u30c3\u30d7\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u5834\u5408\u306f\u3001\u3053\u308c\u3089\u306e\u516c\u5f0f\u304c\u5c11\u3057\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u8a08\u7b97\u65b9\u6cd5\u306e\u4f8b<\/h2>\n

\u3067\u306f\u3001\u5177\u4f53\u7684\u306b\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u4f8b\u3068\u3057\u3066\u3001\u62b5\u6297 \\( R = 1 \\text{k}\\Omega \\)\uff081000\u03a9\uff09\u3068\u30ad\u30e3\u30d1\u30b7\u30bf \\( C = 100 \\text{nF} \\)\uff080.0000001F\uff09\u306e\u5024\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n

\u516c\u5f0f\u306b\u5024\u3092\u4ee3\u5165\u3059\u308b\u3068\uff1a<\/p>\n

$$ f_c = \\frac{1}{2\\pi \\cdot 1000 \\cdot 0.0000001} $$<\/p>\n

\u307e\u305a\u3001\u5b9a\u6570\u306e\u90e8\u5206\u3092\u8a08\u7b97\u3057\u307e\u3059\uff1a<\/p>\n

$$ 2\\pi \\approx 6.28 $$<\/p>\n

\u6b21\u306b\u3001\u5206\u6bcd\u306e\u8a08\u7b97\u3092\u3057\u307e\u3059\uff1a<\/p>\n

$$ 1000 \\cdot 0.0000001 = 0.0001 $$<\/p>\n

\u305d\u308c\u3092\u3082\u3068\u306b\u5206\u6570\u3092\u8a08\u7b97\u3057\u307e\u3059\uff1a<\/p>\n

$$ f_c = \\frac{1}{6.28 \\cdot 0.0001} \\approx \\frac{1}{0.000628} \\approx 1591.55 \\text{Hz} $$<\/p>\n

\u7d50\u679c\u3001\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306f\u7d04 1591.55Hz \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u307e\u3068\u3081<\/h2>\n

\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u3092\u7406\u89e3\u3057\u3001\u8a08\u7b97\u3059\u308b\u3053\u3068\u306f\u3001\u96fb\u5b50\u56de\u8def\u306e\u8a2d\u8a08\u3068\u89e3\u6790\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u57fa\u672c\u7684\u306a\u516c\u5f0f \\( f_c = \\frac{1}{2\\pi RC} \\) \u3092\u7528\u3044\u3066\u3001\u7c21\u5358\u306b\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u57fa\u790e\u3092\u3057\u3063\u304b\u308a\u3068\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u8907\u96d1\u306a\u30d5\u30a3\u30eb\u30bf\u30fc\u3084\u56de\u8def\u306e\u8a2d\u8a08\u30fb\u89e3\u6790\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u4ee5\u4e0a\u304c\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306e\u89e3\u8aac\u3068\u8a08\u7b97\u65b9\u6cd5\u3067\u3059\u3002\u8208\u5473\u3092\u6301\u305f\u308c\u305f\u65b9\u306f\u3001\u305c\u3072\u81ea\u8eab\u3067\u3082\u8a08\u7b97\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u306e\u516c\u5f0f\u3068\u8a08\u7b97\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u3084\u30cf\u30a4\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u4f8b\u3092\u4ea4\u3048\u3066\u3001\u5177\u4f53\u7684\u306a\u8a08\u7b97\u4f8b\u3082\u7d39\u4ecb\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":[96],"tags":[97],"class_list":["post-209022","post","type-post","status-publish","format-standard","hentry","category-96","tag-97","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"\n\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u516c\u5f0f | 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