{"id":2699,"date":"2012-06-21T12:00:28","date_gmt":"2012-06-21T03:00:28","guid":{"rendered":"http:\/\/www.nanghi.net\/?p=2699"},"modified":"2023-11-08T19:29:42","modified_gmt":"2023-11-08T10:29:42","slug":"post_2022","status":"publish","type":"post","link":"https:\/\/www.nanghi.net\/?p=2699","title":{"rendered":"\u96fb\u5b50\u30dc\u30ea\u30e5\u30fc\u30e0"},"content":{"rendered":"

\u3000\u3044\u308d\u3044\u308d\u88fd\u4f5c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u4e26\u8d70\u3057\u3066\u3044\u3066\u5168\u4f53\u304c\u9045\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u307e\u305f\u5bc4\u308a\u9053\u3067\u3059\uff08\u82e6\u7b11\uff09\u3002
\n\"LM1972M\"
\n\u3000LM1972M<\/strong>
\n\u3000SOP 20pin\u30d1\u30c3\u30b1\u30fc\u30b8
\n\u3000\u79cb\u8449\u539f\u306b\u884c\u3063\u305f\u3068\u304d\u306b\u79cb\u6708\u3067\u8cfc\u5165\u3057\u305f\u96fb\u5b50\u30dc\u30ea\u30e5\u30fc\u30e0\u306eNationalSemiconductor\u306eLM1972M\u3067\u3059\u3002
\n\u3000\u6700\u592778dB\u306e\u6e1b\u8870\u91cf\u3068MUTE\uff08100dB\uff09\u306e\u6a5f\u80fd\u3092\u6301\u3063\u305f\uff12\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u96fb\u5b50\u30dc\u30ea\u30e5\u30fc\u30e0\u3002\u5185\u90e8\u306e\u30ec\u30b8\u30b9\u30bf\u3092\uff13\u7dda\u5f0f\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u3067\u8a2d\u5b9a\u3092\u884c\u3044\u3001\u6e1b\u8870\u91cf\u3092\uff12\u30c1\u30e3\u30f3\u30cd\u30eb\u305d\u308c\u305e\u308c\u72ec\u7acb\u306b\u8abf\u6574\u3067\u304d\u307e\u3059\u3002
\n\"\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u306e\u4ed5\u69d8\"
\n\u3000\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u306e\u4ed5\u69d8<\/strong>
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\n\u3000\u30b7\u30ea\u30a2\u30eb\u30c7\u30fc\u30bf\u306f\u30c7\u30fc\u30bf\u30a2\u30a6\u30c8\u7aef\u5b50\u304c\u3042\u308b\u305f\u3081\u3001\u30af\u30ed\u30c3\u30af\u3068\u30e9\u30c3\u30c1\u3092\u4e26\u5217\u306b\u63a5\u7d9a\u3001\u30c7\u30fc\u30bf\u7dda\u3092\u30c7\u30a4\u30b8\u30fc\u30c1\u30a7\u30fc\u30f3\u3067\u63a5\u7d9a\u3059\u308b\u4e8b\u3067\u8907\u6570\u306e\u30c7\u30d0\u30a4\u30b9\u3092\uff13\u7dda\u3060\u3051\u3067\u8a2d\u5b9a\u3059\u308b\u4e8b\u3082\u53ef\u80fd\u3067\u3059\u3002
\n\"\u5909\u63db\u57fa\u677f\u306b\u5b9f\u88c5\"
\n\u3000\u5909\u63db\u57fa\u677f\u306b\u5b9f\u88c5<\/strong>
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\n\u3000\u30d1\u30c3\u30b1\u30fc\u30b8\u304cSOP 20\u30d4\u30f3\u3067\u3042\u308b\u305f\u3081\u3001\u305d\u306e\u307e\u307e\u3060\u30682.54mm\u30d4\u30c3\u30c1\u306e\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u57fa\u677f\u306b\u5b9f\u88c5\u3067\u304d\u307e\u305b\u3093\u3002\u4eca\u56de\u306f\u30c0\u30a4\u30bb\u30f3\u306e20\u30d4\u30f3IC\u30d4\u30c3\u30c1\u5909\u63db\u57fa\u677f\uff08D020\uff09\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002\u4e00\u822c\u7684\u306b\u306f28\u30d4\u30f3\u306e\u5909\u63db\u57fa\u677f\u304c\u591a\u304f\u51fa\u56de\u3063\u3066\u3044\u308b\u306e\u3067\u305d\u3061\u3089\u306e\u65b9\u304c\u5165\u624b\u6027\u306f\u3088\u3044\u3068\u601d\u3044\u307e\u3059\u3002
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\n\u3000IC\u30bd\u30b1\u30c3\u30c8\u306b\u5b9f\u88c5\u3059\u308b\u305f\u3081\u30d4\u30f3\u30d8\u30c3\u30c0\u3092\u30cf\u30f3\u30c0\u4ed8\u3051\u3057\u3066\u3044\u307e\u3059\u3002
\n20pin\u306e600mil\u30bd\u30b1\u30c3\u30c8\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u306e\u30bd\u30b1\u30c3\u30c8\u30d4\u30f3\u3092\u5fc5\u8981\u30d4\u30f3\u6570\u4e26\u3079\u3066\u30bd\u30b1\u30c3\u30c8\u306b\u3057\u3066\u5b9f\u88c5\u3092\u884c\u3044\u307e\u3059\u3002
\n\u3000LM1972M\u306e\u51fa\u529b\u306f\u62b5\u6297\u30e9\u30c0\u30fc\u3067\u3042\u308a\u300125k\u03a9\u301c35k\u03a9\u306e\u7bc4\u56f2\u3067\u5909\u52d5\u3059\u308b\u305f\u3081\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u51fa\u529b\u306b\u306f\u30dc\u30eb\u30c6\u30fc\u30b8\u30d5\u30a9\u30ed\u30a2\u306e\u30d0\u30c3\u30d5\u30a1\u30a2\u30f3\u30d7\u3092\u63a5\u7d9a\u3059\u308b\u306e\u304c\u4ee3\u8868\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u4f8b\u3068\u3057\u3066\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30aa\u30da\u30a2\u30f3\u30d7\u306fJ-FET\u5165\u529b\u306e\u30aa\u30da\u30a2\u30f3\u30d7\u304c\u6307\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u7279\u6027\u306f\u3053\u306e\u51fa\u529b\u306e\u30d0\u30c3\u30d5\u30a1\u30fb\u30aa\u30da\u30a2\u30f3\u30d7\u3067\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u306e\u3067\u9078\u5b9a\u306f\u91cd\u8981\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u306f\u300c\u4f8b\u3048\u3070LF412\u300d\u307f\u305f\u3044\u306a\u4e8b\u304c\u66f8\u304b\u308c\u3066\u3044\u307e\u3057\u305f\u3002
\n\u3000\u3044\u307e\u306e\u3068\u3053\u308d\u3001OPA2134\u304bLME49720\u3042\u305f\u308a\u304b\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u304c\u3001MUSES 8920\u3068\u3044\u3046\u306e\u3082\u30a2\u30ea\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002
\n\u3000LM1972\u306e\u305f\u3081\u306e\u30a2\u30ca\u30ed\u30b0\u7cfb\u00b16V\u6b63\u8ca0\u96fb\u6e90\u3068\u3001\u30c7\u30b8\u30bf\u30eb\u7cfb\u306e3V\u3001\u30d0\u30c3\u30d5\u30a1\u306e\u30aa\u30da\u30a2\u30f3\u30d7\u5411\u3051\u306e\u30a2\u30ca\u30ed\u30b0\u56de\u8def\u7528\u00b115V\u96fb\u6e90\u304c\u5225\u9014\u5fc5\u8981\u3067\u3059\u306e\u3067\u3053\u3061\u3089\u3082\u3042\u308f\u305b\u3066\u88fd\u4f5c\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002
\n\u3000\u3082\u3046\u3001\u4f5c\u308b\u4e88\u5b9a\u304c\u7acb\u3066\u8fbc\u3093\u3067\u304d\u3066\u4e00\u676f\u4e00\u676f\u3067\u3059\u3002\u3063\u3066\u3001\u81ea\u696d\u81ea\u5f97\u306a\u306e\u3067\u3059\u304c\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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