{"id":1380,"date":"2025-03-02T06:45:47","date_gmt":"2025-03-02T06:45:47","guid":{"rendered":"http:\/\/schumann.jp\/?p=1380"},"modified":"2025-03-02T06:46:04","modified_gmt":"2025-03-02T06:46:04","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%85%89%e8%bb%a2%e3%81%98%e3%81%a6%e9%97%87","status":"publish","type":"post","link":"http:\/\/schumann.jp\/?p=1380","title":{"rendered":"Class AA \u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u306f\u5b9f\u73fe\u3067\u304d\u308b\u304b\u30fb\u30fb\u30fb\u5149\u8ee2\u3058\u3066\u95c7\u7de8"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

C1\u306e\u5bb9\u91cf\u3092\u6e1b\u3089\u3057\u3066\u3001\u8a66\u884c\u932f\u8aa4\u3057\u305f\u3068\u3053\u308d\u3001\u7247\u30c1\u30e3\u30f3\u30cd\u30eb\u306f C1=4700pF\u3001\u4ed6\u30c1\u30e3\u30f3\u30cd\u30eb\u306f 2200pF \u3067\u5468\u6ce2\u6570\u7279\u6027\u304c\u3044\u3044\u611f\u3058\u306b\u306a\u3063\u305f\u3002\u3000\u3057\u304b\u3057\u300110kHz \u306e\u65b9\u5f62\u6ce2\u3067\u306f\u3001\u5bc4\u751f\u767a\u632f\u304c\u8a8d\u3081\u3089\u308c\u308b\u3002<\/p>\n\n\n\n

\u3053\u3053\u3067\u3001C2 \u3092\u3044\u308c\u3066\u5468\u6ce2\u6570\u7279\u6027\u306e\u80a9\u7279\u6027\u304c\u6574\u3046\u3088\u3046\u306b\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u300110kHz \u306e\u5bc4\u751f\u767a\u632f\u3082\u6b62\u307e\u3063\u305f\u3002\u30001KHz \u306e\u96d1\u97f3\u6b6a\u307f\u7387\u3092 WaveGene \/ WaveSpectra \u3067\u6e2c\u5b9a\u3057\u3066\u307f\u308b\u3068\u3001\u51fa\u529b2V\uff081W\/8\u03a9\uff09\u3067 0.05% \u3050\u3089\u3044\u3068\u512a\u79c0\u3002<\/p>\n\n\n\n

\u3053\u308c\u3067\u3044\u3051\u308b\u304b\u3082\u3068\u601d\u3063\u305f\u304c\u3001\u97f3\u3092\u9cf4\u3089\u3057\u3066\u307f\u308b\u3068\u3001\u96d1\u97f3\u304c\u3072\u3069\u3044\u3002\u5de6\u30c1\u30e3\u30f3\u30cd\u30eb\u306f\u8033\u306b\u8fd1\u3065\u3051\u308b\u3068\u308f\u304b\u308b\u7a0b\u5ea6\u3001\u53f3\u30c1\u30e3\u30f3\u30cd\u30eb\u306f\u306f\u3063\u304d\u308a\u308f\u304b\u308b\u3002 \u3000\u6e2c\u5b9a\u3057\u3066\u307f\u308b\u3068\u3001\u5de6\u30c1\u30e3\u30f3\u30cd\u30eb\u306f 0.4mV \u3001\u53f3\u30c1\u30e3\u30f3\u30cd\u30eb\u306f\u30011.0mV \u7a0b\u5ea6\u3002\u3000\u9762\u767d\u3044\u3053\u3068\u306b\u3001\u305f\u304b\u3058\u3093\u3055\u3093\u306e PGA2311 \u96fb\u5b50\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u63a5\u7d9a\u3092\u3084\u3081\u3066\u3001\u30a2\u30f3\u30d7\u5165\u529b\u90e8\u3067\u30b7\u30e7\u30fc\u30c8\u3059\u308b\u3068\u3001\u5de6\u30c1\u30e3\u30f3\u30cd\u30eb\u306f 0.1mV \u3001\u53f3\u30c1\u30e3\u30f3\u30cd\u30eb\u306f\u30010.4mV \u7a0b\u5ea6\u307e\u3067\u4e0b\u304c\u308b\u3002\u3000PGA2311 \u96fb\u5b50\u30dc\u30ea\u30e5\u30fc\u30e0\u3067\u306e\u30c8\u30e9\u30d6\u30eb<\/a>\u306e\u7d4c\u9a13\u304b\u3089\u3001\u30a2\u30fc\u30b9\u30e9\u30a4\u30f3\u5bfe\u7b56\u306f\u3057\u3063\u304b\u308a\u3068\u3063\u3066\u3044\u308b\u3002\u3000\u4f55\u304c\u4f55\u3060\u304b\u308f\u304b\u3089\u305a\u3001\u305f\u304b\u3058\u3093\u3055\u3093\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3067\u76f8\u8ac7\u3057\u305f\u3068\u3053\u308d\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306bC1\u3092\u5165\u308c\u308b\u306e\u306f\u6a19\u6e96\u7684\u306a\u5bfe\u7b56\u3067\u306f\u306a\u3044\u305d\u3046\u3060\u3002\u3000<\/p>\n\n\n\n

\u56de\u8def\u56f3\u3068F\u7279\u3001\u62dd\u898b\u3044\u305f\u3057\u307e\u3057\u305f\u3002\n\u6c17\u306b\u306a\u3063\u305f\u70b9\u3068\u3057\u3066\u306f\u3001C1\u3067\u3059\u306d\u3002\u3000\u30a2\u30f3\u30d7\u306e\uff0b\u3068\uff0d\u5165\u529b\u9593\u3092C\u3067\u63a5\u7d9a\u3059\u308b\u3068\u3001\u8ca0\u5e30\u9084\u5074\u304b\u3089\uff0b\u5165\u529b\u3078\u30d0\u30a4\u30d1\u30b9\u3055\u308c\u3066\u6b63\u5e30\u9084\u3078\u3068\u306a\u3063\u3066\u304d\u307e\u3059\u3002\nC-amp\u5074\u306e\u5e2f\u57df\u3092\u5236\u9650\u3059\u308b\u3068\u304d\u306f\u51fa\u529b\u3068\uff0d\u7aef\u5b50\u306e\u9593\u306b\u5c0f\u5bb9\u91cf\u306eC\u3092\u5165\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u3002\n\uff08\u3053\u306e\u56de\u8def\u56f3\u3067\u3044\u3046\u3068TDA2030\u306e\uff11\uff0d\uff13\u30d4\u30f3\u9593\u306b10pF\u300122pF\u300147pF\u306a\u3069\u3092\u5165\u308c\u3066\u5b9f\u9a13\uff09\n\n\u30ce\u30a4\u30ba\u306b\u95a2\u3057\u3066\u306f\u3001\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u7cfb\u3068\u3001\u98db\u3073\u8fbc\u307f\u306b\u3088\u308b\u30d3\u30fc\u30c8\u30ce\u30a4\u30ba\u7cfb\u3001\u96fb\u6e90\u7531\u6765\u306e\n\u30cf\u30e0\u30ce\u30a4\u30ba\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002\n\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u4f9d\u5b58\u3084\u5165\u529b\u90e8\u306e\u62b5\u6297\u5024\u3001\u30a2\u30f3\u30d7\u306e\u30b2\u30a4\u30f3\u3067\u6c7a\u307e\u3063\u3066\u304d\u307e\u3059\u3002\n\u30d3\u30fc\u30c8\u30ce\u30a4\u30ba\u306f\u98db\u3073\u8fbc\u307f\u81ea\u4f53\u3092\u6291\u3048\u3053\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\n\u5165\u529b\u4fe1\u53f7\u30e9\u30a4\u30f3\u3092GND\u7dda\u3068\u30c4\u30a4\u30b9\u30c8\u3059\u308b\u304b\u30b7\u30fc\u30eb\u30c9\u7dda\u3092\u4f7f\u3046\u3001\u91d1\u5c5e\u30b7\u30e3\u30b7\u30fc\u306b\u6cbf\u308f\u305b\u308b\u3001\n\u53d6\u308a\u56de\u3057\u3092\u52d5\u304b\u3057\u3066\u30ce\u30a4\u30ba\u306e\u4f4e\u3044\u3068\u3053\u308d\u3092\u63a2\u3059\u306a\u3069\u3067\u3057\u3087\u3046\u304b\u3002\n\u30cf\u30e0\u30ce\u30a4\u30ba\u306f\u3001\u96fb\u6e90\u30c8\u30e9\u30f3\u30b9\u304c\u8fd1\u3044\u3068\u610f\u5916\u3068\u5384\u4ecb\u3060\u3063\u305f\u308a\u3057\u307e\u3059\u306d\u3002 \u78c1\u675f\u6f0f\u308c\u306e\u5927\u304d\u306a\n\u30c8\u30e9\u30f3\u30b9\u306e\u5834\u5408\u306f\u30c8\u30e9\u30f3\u30b9\u81ea\u4f53\u3092\u5909\u66f4\u3057\u306a\u3051\u308c\u3070\u89e3\u6d88\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3057\u305f\u3002\n<\/pre>\n\n\n\n
C1\u304c\u3088\u308d\u3057\u304f\u306a\u3044\u3068\u3044\u3046\u306e\u306f\u3001\u8a00\u308f\u308c\u3066\u307f\u3066\u3001\u521d\u3081\u3066\u6c17\u304c\u4ed8\u3044\u305f\u6b21\u7b2c\u3002\u3000\u30ce\u30a4\u30ba\u306f\u3001\u30c4\u30a3\u30fc\u30bf\u304b\u3089\u3082\u805e\u3053\u3048\u3066\u304f\u308b\u306e\u3067\u3001\u30d3\u30fc\u30c8\u30ce\u30a4\u30ba\u304b\u3068\u601d\u308f\u308c\u305f\u306e\u3067\u3001\u6b21\u306e\u5bfe\u7b56\u3092\u7acb\u3066\u3066\u8a66\u3057\u3066\u307f\u305f\u3002<\/p>\n\n\n\n
\u2460\u3000TDA2030\u306e\uff11\uff0d\uff13\u30d4\u30f3\u9593\u306b\u5c0f\u5bb9\u91cf\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u3044\u308c\u3066\u307f\u308b
\u2461\u3000\u3055\u3089\u306a\u308b\u5b89\u5b9a\u5316\u306e\u305f\u3081\u306b\u3001\u30b2\u30a4\u30f3\u3092 26dB \u306b\u5897\u52a0\u3055\u305b\u308b\uff08NFB\u3092\u6e1b\u5c11\u3055\u305b\u308b\uff09
\u2462\u3000\u305d\u306e\u3046\u3048\u3067\u3001\u5468\u6ce2\u6570\u7279\u6027\u3092\u307f\u306a\u304c\u3089\u3001NFB\u306e\u88dc\u6b63\u30b3\u30f3\u30c7\u30f3\u30b5\u91cf\u3092\u6c7a\u5b9a\u3055\u305b\u308b\u3002<\/p>\n\n\n\n
\u3068\u3053\u308d\u304c\u3001\u4e0a\u8a18\u306e\u5bfe\u7b56\u3092\u3057\u3066\u307f\u3066\u3082\u3001\u30ce\u30a4\u30ba\u306f\u6e1b\u5c11\u3057\u306a\u3044<\/strong>\u3002\u3000\u305d\u308c\u3069\u3053\u308d\u304b\u3001\u96d1\u97f3\u6b6a\u307f\u7387\u7279\u6027\u304c\u4e00\u6841\u4e0a\u6607\u3057\u300110kHz \u3067\u306f\u6ce2\u6253\u3064\u3088\u3046\u306b\u306a\u3063\u305f\u3002\u30000.2W \u3067 0.5%\u7a0b\u5ea6\u307e\u3067\u4e0b\u304c\u308b\u304c\u30011W \u3067\u306f 2% \u7a0b\u5ea6\u306b\u4e0a\u6607\u3057\u305f\u306e\u3061\u306b\u307e\u305f\u4e0b\u304c\u308a\u59cb\u3081\u308b\u3002\u3000\u8a66\u8074\u3059\u308b\u3068\u3001\u8033\u969c\u308a\u306a\u97f3\u3067\u75b2\u308c\u308b\u97f3\u3067\u3042\u308a\u3001\u660e\u3089\u304b\u306b\u6539\u60aa\u3057\u3066\u3057\u307e\u3063\u305f\u30fb\u30fb\u30fb<\/p>\n\n\n\n
to be continued…<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"
C1\u306e\u5bb9\u91cf\u3092\u6e1b\u3089\u3057\u3066\u3001\u8a66\u884c\u932f\u8aa4\u3057\u305f\u3068\u3053\u308d\u3001\u7247\u30c1\u30e3\u30f3\u30cd\u30eb\u306f C1=4700pF\u3001\u4ed6\u30c1\u30e3\u30f3\u30cd\u30eb\u306f 2200pF \u3067\u5468\u6ce2\u6570\u7279\u6027\u304c\u3044\u3044\u611f\u3058\u306b\u306a\u3063\u305f\u3002\u3000\u3057\u304b\u3057\u300110kHz \u306e\u65b9\u5f62\u6ce2\u3067\u306f\u3001\u5bc4\u751f\u767a\u632f\u304c\u8a8d\u3081\u3089\u308c\u308b\u3002 \u3053\u3053\u3067\u3001C2 \u3092\u3044\u308c … \u7d9a\u304d\u3092\u8aad\u3080 Class AA \u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u306f\u5b9f\u73fe\u3067\u304d\u308b\u304b\u30fb\u30fb\u30fb\u5149\u8ee2\u3058\u3066\u95c7\u7de8<\/span> →<\/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\/1380"}],"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=1380"}],"version-history":[{"count":7,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1380\/revisions"}],"predecessor-version":[{"id":1392,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1380\/revisions\/1392"}],"wp:attachment":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1380"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}