{"id":1361,"date":"2025-03-02T06:40:00","date_gmt":"2025-03-02T06:40:00","guid":{"rendered":"http:\/\/schumann.jp\/?p=1361"},"modified":"2025-03-02T06:41:41","modified_gmt":"2025-03-02T06:41:41","slug":"class-aa-%e3%83%91%e3%83%af%e3%83%bc%e3%82%a2%e3%83%b3%e3%83%97%e3%81%af%e5%ae%9f%e7%8f%be%e3%81%a7%e3%81%8d%e3%82%8b%e3%81%8b%e3%83%bb%e3%83%bb%e3%83%bb%e5%b8%8c%e6%9c%9b%e3%81%ae%e5%85%89%e3%81%8c","status":"publish","type":"post","link":"http:\/\/schumann.jp\/?p=1361","title":{"rendered":"Class AA \u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u306f\u5b9f\u73fe\u3067\u304d\u308b\u304b\u30fb\u30fb\u30fb\u5e0c\u671b\u306e\u5149\u304c"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"696\" height=\"617\" src=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/ClassAA-Power.png\" alt=\"\" class=\"wp-image-1358\" srcset=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/ClassAA-Power.png 696w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/ClassAA-Power-677x600.png 677w\" sizes=\"(max-width: 696px) 100vw, 696px\" \/><\/figure>\n\n\n\n<p>\u5148\u306b\u8ff0\u3079\u305f\u3088\u3046\u306b\u3001C1 \u3092\u3044\u308c\u308b\u3053\u3068\u3067\u3001\u65b9\u5f62\u6ce2\u3067\u306e\u767a\u632f\u304c\u6b62\u307e\u3063\u305f\u3053\u3068\u304b\u3089\u3001C1\u306e\u5bb9\u91cf\u3092\u6e1b\u3089\u3057\u3066\u8abf\u6574\u3092\u8a66\u307f\u305f\u3002\u3000\u305d\u3046\u3057\u305f\u3068\u3053\u308d\u3001\u304a\u304b\u3057\u306a\u3053\u3068\u304c\u304a\u3053\u3063\u305f\u3002\u3000C1 = 1000pF \u3067\u518d\u5ea6\u767a\u632f\u304c\u304a\u3053\u3063\u305f\u3053\u3068\u304b\u3089\u30012200pF \u306b\u623b\u3057\u305f\u304c\u3001\u767a\u632f\u304c\u6b62\u307e\u3089\u306a\u3044\u306e\u3060\u30024700pF \u3067\u3082\u30000.01\u03bcF \u3067\u3082\u3060\u3081\u3002\u3000\u4f55\u304c\u8d77\u3053\u3063\u305f\u306e\u304b\u308f\u304b\u3089\u306a\u3044\u3002\u3000\u3055\u3063\u304d\u307e\u3067\u5927\u4e08\u592b\u3060\u3063\u305f\u6761\u4ef6\u3067\u4f55\u304c\u30fb\u30fb\u30fb<\/p>\n\n\n\n<p>\u30b3\u30fc\u30d2\u30fc\u30d6\u30ec\u30a4\u30af\u3092\u3044\u308c\u3066\u3001\u518d\u5ea6\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u305f\u3068\u3053\u308d\u3001\u4eca\u5ea6\u306fOK\u3002\u3000\u4f55\u304b\u9055\u3044\u306f\u3068\u8003\u3048\u305f\u3068\u3053\u308d\u3001\u6a2a\u7740\u3057\u3066\u30b9\u30d4\u30fc\u30ab\u30fc\u4ee3\u308f\u308a\u306e\u62b5\u6297\u306b\u3001\u30aa\u30b7\u30ed\u306e\u7aef\u5b50\u3092\u3064\u3051\u308b\u3068\u3001\u767a\u632f\u3059\u308b\u3053\u3068\u306b\u6c17\u304c\u4ed8\u3044\u305f\u3002\u3000\u3088\u304f\u8003\u3048\u308b\u3068\u30012Ch \u30aa\u30b7\u30ed\u306e GND \u901a\u3057\u306f\u5c0e\u901a\u304c\u3042\u308b\u306e\u3067\u3001\u6a2a\u7740\u3057\u305f\u63a5\u7d9a\u3060\u3068\u3001GND\u30aa\u30b7\u30ed\u306e\u30d7\u30ed\u30fc\u30d6\u306b\u3088\u3063\u3066\u3001\u304a\u304a\u304d\u306a GND\u30eb\u30fc\u30d7\u304c\u3067\u304d\u308b\u3002\u3000\u767a\u632f\u306e\u539f\u56e0\u304c\u308f\u304b\u3063\u305f\u3002<\/p>\n\n\n\n<p>\u7d50\u5c40\u3001\u4e0a\u306e\u56de\u8def\u56f3\u3067\u3001C1\uff1d2200pF,  C2 = 82pF \u3067 \u5468\u6ce2\u6570\u7279\u6027\u306f\u4e0b\u8a18\u306e\u901a\u308a\u3002\u3000C1 \u3001C2\u3068\u3082\u304b\u306a\u308a\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u3088\u3046\u3059\u304c\u898b\u3066\u53d6\u308c\u308b\u3002 300kHz \u4ee5\u4e0a\u306e\u4f4d\u76f8\u7279\u6027\u306e\u3042\u3070\u308c\u304c\u5c11\u306a\u3044\u306e\u306f\u3001C2 = 82pF \u3067\u3042\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><a href=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/c0b322394a63668f1f77a408bd9c79e6.png\"><img loading=\"lazy\" width=\"800\" height=\"286\" src=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/c0b322394a63668f1f77a408bd9c79e6-800x286.png\" alt=\"\" class=\"wp-image-1369\" srcset=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/c0b322394a63668f1f77a408bd9c79e6-800x286.png 800w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/c0b322394a63668f1f77a408bd9c79e6-768x275.png 768w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/c0b322394a63668f1f77a408bd9c79e6-1536x550.png 1536w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/c0b322394a63668f1f77a408bd9c79e6.png 1818w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<p>\u4e0a\u8a18\u306e\u72b6\u614b\u3067\u306e\u7279\u6027\u306f\u60aa\u304f\u306a\u3044\u3002\u3000\u30d0\u30e9\u30c3\u30af\u306e\u72b6\u6cc1\u3067\u3042\u308b\u304c\u3001\u96d1\u97f3\u6b6a\u307f\u7387\u3092\u3068\u3063\u3066\u307f\u308b\u3068\u3001\u304a\u304a\u3080\u306d\uff12V\u51fa\u529b\uff081W\uff09\u3067\u3001100Hz, 1kHz \u3067 0.05% \u300110kHz \u3067 0.07\uff05 \u3068\u60aa\u304f\u306a\u3044\u3002\u3000\u3046\u307e\u304f\u3044\u304d\u305d\u3046\u3060\u3002\u3000\u3088\u308d\u3053\u3073\u52c7\u3093\u3067\u3001\u3082\u3046\uff11\u53f0\u3064\u304f\u3063\u3066\u307f\u308b\u3068\u3001\u540c\u3058\u5b9a\u6570\u3067\u306f\u3001\u65b9\u5f62\u6ce2\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u3051\u3063\u3053\u3046\u306a\u30aa\u30fc\u30d0\u30fc\u30b7\u30e5\u30fc\u30c8\u304c\u8a8d\u3081\u3089\u308c\u300110kHz \u3060\u3068\u5bc4\u751f\u767a\u632f\u304c\u8a8d\u3081\u3089\u308c\u308b\u3002\u3000<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"480\" height=\"234\" src=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/03\/TEK00006.png\" alt=\"\" class=\"wp-image-1390\"\/><\/figure>\n\n\n\n<p>\u5bc4\u751f\u767a\u632f\u306e\u5b58\u5728\u304b\u3089\u3001C1 \u306e\u8abf\u6574\u304c\u5fc5\u8981\u3068\u8003\u3048\u3001\u8a66\u884c\u932f\u8aa4\u3057\u305f\u3068\u3053\u308d\u3001C1\uff1d4700pF,  C2=68pF \u3067 \u4e0b\u8a18\u306e\u901a\u308a\u306e\u5468\u6ce2\u6570\u7279\u6027\u3068\u4e5f\u3001\u65b9\u5f62\u6ce2\u3067\u306e\u5bc4\u751f\u767a\u632f\u3082\u306a\u304f\u306a\u3063\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><a href=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/a8c2dfaedb888e222ed33e3267c1c2ee.png\"><img loading=\"lazy\" width=\"800\" height=\"291\" src=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/a8c2dfaedb888e222ed33e3267c1c2ee-800x291.png\" alt=\"\" class=\"wp-image-1371\" srcset=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/a8c2dfaedb888e222ed33e3267c1c2ee-800x291.png 800w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/a8c2dfaedb888e222ed33e3267c1c2ee-768x280.png 768w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/a8c2dfaedb888e222ed33e3267c1c2ee-1536x559.png 1536w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/01\/a8c2dfaedb888e222ed33e3267c1c2ee.png 1819w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<p>\u3053\u3053\u307e\u3067\u6765\u305f\u3089\u3001\u7b50\u4f53\u306e\u6e96\u5099\u304c\u5fc5\u8981\u3060\u3002\u3000\u3044\u308d\u3044\u308d\u8003\u3048\u305f\u304c\u3001\u904e\u53bb\u306b\u4f5c\u6210\u3057\u305f LM3886 \u30a2\u30f3\u30d7\u3092\u89e3\u4f53\u3057\u3066\u3001\u30b7\u30e3\u30fc\u30b7\u306e\u307f\uff08\u30bf\u30ab\u30c1 HY 133-33-23SS\uff09\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002\u3000<a href=\"http:\/\/schumann.jp\/?p=1330\">Victor SX-700<\/a> \u306b\u305b\u3088\u3001<a href=\"http:\/\/schumann.jp\/?p=579\">Linaeum A-1<\/a>\u306b\u305b\u3088\u3001LM3886 \u30a2\u30f3\u30d7\u3067\u306f\u9cf4\u3089\u3057\u304d\u308c\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u304a\u308a\u3001\u51fa\u756a\u304c\u306a\u304f\u306a\u3063\u3066\u3044\u305f\u3002\u3000\u89e3\u4f53\u3057\u3066\u307f\u308b\u3068\u3001\u5929\u3077\u3089\u306f\u3093\u3060\u540c\u7136\u306e\u5834\u6240\u304c\u591a\u6570\u3042\u3063\u305f\u3002\u3000\u5929\u3077\u3089\u306f\u3093\u3060\u306e\u539f\u56e0\u306f\u3001\u3053\u3060\u308f\u308a\u306e\u592a\u3044\u914d\u7dda\u6750\u3067\u3042\u308b\u3002\u30002mm \u30b9\u30b1\u30a2\uff08AWG 14\uff09\u3092\u7121\u7406\u3084\u308a\u4f7f\u3063\u3066\u3044\u305f\u305f\u3081\u3060\u3002\u3000\u5f53\u6642\u306f\u3001\u3053\u308c\u304c\u6700\u5584\u3067\u5fc5\u9808\u3068\u8003\u3048\u3066\u3044\u305f\u306e\u3060\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30b7\u30e3\u30fc\u30b7\u306b\u306f\u3001\u5165\u529b\u3068\u3057\u3066\uff12\u7cfb\u7d71\u306e RCA \u30b8\u30e3\u30c3\u30af\u3068\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u3092\u8e0f\u8972\u3059\u308b\u3053\u3068\u3082\u8003\u3048\u305f\u304c\u3001\u6700\u8fd1\u306e\u5f53\u65b9\u306e\u81ea\u4f5c\u54c1\u306f\u5e73\u8861\u5165\u529b\u306b\u3088\u308b\u3053\u3068\u3082\u591a\u3044\u306e\u3067\u3001RCA\uff11\u7cfb\u7d71\u3068\u5e73\u8861\u5165\u529b\uff11\u7cfb\u7d71\u3068\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002\u3000Balanced &#8211; Unbalanced \u5909\u63db\u306b\u306f\u3001\u307a\u308b\u3051\u5e2b\u5320\u306e <a rel=\"noreferrer noopener\" href=\"http:\/\/www.op316.com\/tubes\/balanced\/bubconv1.htm\" target=\"_blank\">\u7c21\u6613\u5e73\u8861\u2192\u4e0d\u5e73\u8861\u30b3\u30f3\u30d0\u30fc\u30bf<\/a> \u3092\u7528\u3044\u308b\u3002\u3000\u3053\u306e\u56de\u8def\u306f\u3001\u5c02\u7528IC \u306e INA134 \u3068\u540c\u3058\u3067\u3042\u308b\u3002\u3000Balance \u5165\u529b\u306e\u969b\u306b\u306f\u3001\u30d0\u30e9\u30f3\u30b9\u578b\u306e\u30d7\u30ea\u30a2\u30f3\u30d7\u3092\u901a\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3001\u3053\u3061\u3089\u306f\u3001\u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u901a\u3089\u306a\u3044\u5f62\u306b\u3059\u308b\u3002<\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>to be continued&#8230;<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5148\u306b\u8ff0\u3079\u305f\u3088\u3046\u306b\u3001C1 \u3092\u3044\u308c\u308b\u3053\u3068\u3067\u3001\u65b9\u5f62\u6ce2\u3067\u306e\u767a\u632f\u304c\u6b62\u307e\u3063\u305f\u3053\u3068\u304b\u3089\u3001C1\u306e\u5bb9\u91cf\u3092\u6e1b\u3089\u3057\u3066\u8abf\u6574\u3092\u8a66\u307f\u305f\u3002\u3000\u305d\u3046\u3057\u305f\u3068\u3053\u308d\u3001\u304a\u304b\u3057\u306a\u3053\u3068\u304c\u304a\u3053\u3063\u305f\u3002\u3000C1 = 1000pF \u3067\u518d\u5ea6\u767a\u632f\u304c\u304a\u3053\u3063\u305f\u3053\u3068\u304b\u3089\u30012200pF  &hellip; <a href=\"http:\/\/schumann.jp\/?p=1361\" class=\"more-link\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">Class AA \u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u306f\u5b9f\u73fe\u3067\u304d\u308b\u304b\u30fb\u30fb\u30fb\u5e0c\u671b\u306e\u5149\u304c<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[199,10,38],"tags":[105,205,204],"_links":{"self":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1361"}],"collection":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1361"}],"version-history":[{"count":10,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1361\/revisions"}],"predecessor-version":[{"id":1391,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1361\/revisions\/1391"}],"wp:attachment":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1361"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}