{"id":1552,"date":"2025-11-02T23:03:37","date_gmt":"2025-11-02T23:03:37","guid":{"rendered":"http:\/\/schumann.jp\/?p=1552"},"modified":"2025-11-15T04:35:15","modified_gmt":"2025-11-15T04:35:15","slug":"12hg7-12gn7a-%e3%81%af%e3%83%a2%e3%83%8e%e3%81%ab%e3%81%aa%e3%82%8b%e3%81%8b%ef%bc%9f%e3%80%80%e6%b8%ac%e5%ae%9a%e7%b7%a8","status":"publish","type":"post","link":"http:\/\/schumann.jp\/?p=1552","title":{"rendered":"12HG7\/12GN7A \u306f\u30e2\u30ce\u306b\u306a\u308b\u304b\uff1f\u3000\u6e2c\u5b9a\u7de8"},"content":{"rendered":"\n<figure class=\"wp-block-image size-medium\"><a href=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-Circuit.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" width=\"800\" height=\"598\" src=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-Circuit-800x598.png\" alt=\"\" class=\"wp-image-1570\" srcset=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-Circuit-800x598.png 800w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-Circuit-768x574.png 768w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-Circuit.png 1022w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption>\u30af\u30ea\u30c3\u30af\u3067\u62e1\u5927<\/figcaption><\/figure>\n\n\n\n<p>\u6700\u7d42\u56de\u8def\u56f3\u306f\u4e0a\u8a18\u306e\u901a\u308a\u3002\u3000\u96fb\u6e90\u90e8\u306f<a href=\"http:\/\/schumann.jp\/?p=1525\">\u8a2d\u8a08\u7de8<\/a>\u901a\u308a\u3060\u3002\u3000\u6b8b\u7559\u96d1\u97f3\u306f\u3001\u5de6\u53f3\u3068\u3082  0.016mV\uff08Weighted A\uff09\u3068\u4f4e\u3044\u3002\u3000\u96d1\u97f3\u6bd4\u6e08\u307f\u7387\u7279\u6027\u306f\u3088\u3044\u610f\u5473\u3067\u4fe1\u3058\u3089\u308c\u306a\u3044\u3002 \u3069\u306e\u5468\u6ce2\u6570\u3067\u3082\u3001\u5b9f\u7528\u51fa\u529b\u3067\u3042\u308b 0.1W \u3067 0.01% \u3092\u512a\u306b\u4e0b\u56de\u3063\u3066\u3044\u308b\u3002\u3000LPF 80kHz \u306e\u305f\u3081\u3068\u601d\u308f\u308c\u308b\u304c\u300120kHz \u3067\u306f\u30010.001% \u3088\u308a\u4f4e\u304f\u3001VP-7723A \u306e\u9650\u754c\u306b\u8feb\u308b\u52e2\u3044\u3060\u3002\u3000\u672c\u30a2\u30f3\u30d7\u306f\u3001Cas-Comp \u5358\u6bb5\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u3053\u306e\u3088\u3046\u306a\u8457\u3057\u3044\u4f4e\u6b6a\u307f\u306b\u306a\u3063\u305f\u306e\u3060\u3068\u601d\u308f\u308c\u308b\u3002\u3000\u6700\u5927\u51fa\u529b\u306f\u304a\u304a\u3080\u306d 4W\u5f31\u3067\u3001\u30c8\u30e9\u30f3\u30b9\u3067\u306e\u640d\u5931\u3092\u8003\u3048\u308b\u3068\u3001\u307b\u307c\u4e88\u5b9a\u901a\u308a\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"765\" height=\"724\" src=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/Lt.-THD-1.png\" alt=\"\" class=\"wp-image-1575\" srcset=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/Lt.-THD-1.png 765w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/Lt.-THD-1-634x600.png 634w\" sizes=\"(max-width: 765px) 100vw, 765px\" \/><figcaption>VP-7723A\uff08LPF 80kHz\uff09<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"764\" height=\"724\" src=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/Rt.-THD2.png\" alt=\"\" class=\"wp-image-1580\" srcset=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/Rt.-THD2.png 764w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/Rt.-THD2-633x600.png 633w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><figcaption>VP-7723A\uff08LPF 80kHz\uff09<\/figcaption><\/figure>\n\n\n\n<p>\u3055\u3066\u3001\u6c17\u306b\u306a\u308b\u51fa\u529b\u30a4\u30f3\u30d4\u30fc\u30bf\u30f3\u30b9\u3060\u304c\u3001\u5de6\u53f3\u3068\u3082 200kHz \u4ee5\u4e0b\u3067\u306f\u3074\u3063\u305f\u308a\u540c\u3058\u3067\u300110\uff5e10kHz \u3067\u30010.98\u03a9\u3067\u4e00\u5b9a\u3067\u3042\u3063\u305f\uff08\u4e0b\u56f3\uff09\u3002\u3000\u3059\u306a\u308f\u3061\u3001\u30c0\u30f3\u30d4\u30f3\u30b0\u30d5\u30a1\u30af\u30bf\u3067 4 \u306f\u3068\u308c\u3066\u3044\u308b\u3002\u3000\u554f\u984c\u306a\u3044\u3068\u3044\u3048\u3088\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><a href=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-ImpLR.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" width=\"800\" height=\"345\" src=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-ImpLR-800x345.png\" alt=\"\" class=\"wp-image-1583\" srcset=\"http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-ImpLR-800x345.png 800w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-ImpLR-768x331.png 768w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-ImpLR-1536x662.png 1536w, http:\/\/schumann.jp\/wp-content\/uploads\/2025\/11\/12HG7-ImpLR.png 1711w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-right\"><em>to be continued\u2026<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u7d42\u56de\u8def\u56f3\u306f\u4e0a\u8a18\u306e\u901a\u308a\u3002\u3000\u96fb\u6e90\u90e8\u306f\u8a2d\u8a08\u7de8\u901a\u308a\u3060\u3002\u3000\u6b8b\u7559\u96d1\u97f3\u306f\u3001\u5de6\u53f3\u3068\u3082 0.016mV\uff08Weighted A\uff09\u3068\u4f4e\u3044\u3002\u3000\u96d1\u97f3\u6bd4\u6e08\u307f\u7387\u7279\u6027\u306f\u3088\u3044\u610f\u5473\u3067\u4fe1\u3058\u3089\u308c\u306a\u3044\u3002 \u3069\u306e\u5468\u6ce2\u6570\u3067\u3082\u3001\u5b9f\u7528\u51fa\u529b\u3067\u3042\u308b 0.1W \u3067 0.01% &hellip; <a href=\"http:\/\/schumann.jp\/?p=1552\" class=\"more-link\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">12HG7\/12GN7A \u306f\u30e2\u30ce\u306b\u306a\u308b\u304b\uff1f\u3000\u6e2c\u5b9a\u7de8<\/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":[211,214,10,3],"tags":[213],"_links":{"self":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1552"}],"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=1552"}],"version-history":[{"count":10,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1552\/revisions"}],"predecessor-version":[{"id":1587,"href":"http:\/\/schumann.jp\/index.php?rest_route=\/wp\/v2\/posts\/1552\/revisions\/1587"}],"wp:attachment":[{"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1552"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/schumann.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}