{"blog_title":"\u7802\u306e\u5c0f\u74f6\u3068MythTV","image_url":null,"url":"https://logkeeper.hatenadiary.org/entry/20090620/1245452886","title":"Chu-Moy\u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7\u306e\u88fd\u4f5c(4)","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Flogkeeper.hatenadiary.org%2Fentry%2F20090620%2F1245452886\" title=\"Chu-Moy\u30d8\u30c3\u30c9\u30db\u30f3\u30a2\u30f3\u30d7\u306e\u88fd\u4f5c(4) - \u7802\u306e\u5c0f\u74f6\u3068MythTV\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","categories":["\u96fb\u5b50\u5de5\u4f5c"],"type":"rich","published":"2009-06-20 08:08:06","author_url":"https://blog.hatena.ne.jp/logkeeper/","blog_url":"https://logkeeper.hatenadiary.org/","description":"\u71c3\u3048\u308b\u3068\u5acc\u306a\u306e\u3067\u3001\u5b9a\u6570\u3092\u8a08\u7b97\u3057\u3066\u307f\u308b\u3002 \u4eca\u307e\u3067\u306f\u4ed6\u306e\u65b9\u306e\u56de\u8def\u305d\u306e\u307e\u307e\u3067\u4e00\u90e8\u5909\u66f4\u3057\u3066\u3044\u305f(\u5371\u306a\u3044)\u3002 \u30aa\u30da\u30a2\u30f3\u30d7\u306e\u5897\u5e45\u7387\u3092\u6c7a\u3081\u308b\u62b5\u6297R4\u3068R5\u3092\u5909\u66f4\u3057\u3066\u3001\u51fa\u529b\u30aa\u30d5\u30bb\u30c3\u30c8\u96fb\u5727\u3092\u6e2c\u3063\u3066\u307f\u305f\u3002 \u5897\u5e45\u7387\u306f(1+(R5/R4))=5.7\u500d\u3002 (a) R4:1K / R5:4.7K - \u7d047mV (b) R4:10K / R5:47K - \u7d041.2mV \u51fa\u529b\u30aa\u30d5\u30bb\u30c3\u30c8\u304c\u6700\u5c0f\u306b\u306a\u308bR3\u306f\u3001R3=(R4*(R5/R4+R5))\u3067\u6c42\u3081\u3089\u308c\u308b\u3002 (a) R3 = (1K * (4.7K/(1K+4.7K)) ) = 0.82K\u03a9 (b) R3 = (10K* (47K /(10K+47K)) ) = 8.2K\u03a9 R\u2026","height":"190","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","author_name":"logkeeper","width":"100%"}