{"provider_url":"https://hatena.blog","published":"2008-08-15 00:00:00","categories":["electronics"],"url":"https://ayokoyama.hatenadiary.org/entry/20080815/p1","image_url":"http://farm4.static.flickr.com/3151/2763843899_73e6b2b3d8_m.jpg","author_url":"https://blog.hatena.ne.jp/ayokoyama/","author_name":"ayokoyama","version":"1.0","width":"100%","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fayokoyama.hatenadiary.org%2Fentry%2F20080815%2Fp1\" title=\" \u8d64\u5916 LED \u304c\u3001\u601d\u3063\u305f\u307b\u3069\u660e\u308b\u304f\u306a\u3089\u306a\u3044 - \u79c1\u306e\u4e8c\u6b21\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://ayokoyama.hatenadiary.org/","title":" \u8d64\u5916 LED \u304c\u3001\u601d\u3063\u305f\u307b\u3069\u660e\u308b\u304f\u306a\u3089\u306a\u3044","type":"rich","provider_name":"Hatena Blog","description":"\u4eca\u671d\u3001\u30c1\u30f3\u30bf\u30e9\u3068\u8d64\u5916 LED \u5468\u308a\u306e\u56de\u8def\u3092\u898b\u76f4\u3057\u3066\u307e\u3057\u305f\u3002\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u3092\u30c0\u30fc\u30ea\u30f3\u30c8\u30f3\u3067 I_C = 3A \u306e 2SC3144 \u306b\u5909\u3048\u3066\u3001LED \u306e\u30b7\u30ea\u30fc\u30ba\u62b5\u6297\u3092 10\u03a9\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u3053\u306e\u307e\u307e\u3060\u3068\u5927\u96fb\u6d41\u304c\u6d41\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u304c\u3001\u30c7\u30e5\u30fc\u30c6\u30a3\u6bd4 1/2 \u306e 38kHz \u70b9\u6ec5\u3060\u3057\u3001\u3055\u3089\u306b\u30b3\u30de\u30f3\u30c9\u30b7\u30fc\u30b1\u30f3\u30b9\u304c PWM \u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u5b9f\u8cea\u7684\u306b\u306f 1/4 \u4ee5\u4e0b\u306e\u6642\u9593\u3057\u304b\u96fb\u6d41\u304c\u6d41\u308c\u306a\u3044\u306e\u3067\u3001LED \u306e\u6700\u5927\u5b9a\u683c P_D \uff08\u8a31\u5bb9\u640d\u5931\uff09 \u5b9f\u969b\u306b\u56de\u8def\u3092\u7d44\u3093\u3067\u307f\u305f\u3068\u3053\u308d\u3001\u3069\u3046\u3082\u5e73\u5747\u96fb\u6d41\u304c 60mA \u304f\u3089\u3044\u3057\u304b\u6d41\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u308c\u3067\u3082\u5341\u5206\u306b\u30ea\u30e2\u30b3\u30f3\u306e\u64cd\u4f5c\u8ddd\u96e2\u306f\u5ef6\u3073\u305f\u306e\u3067\u3059\u304c\u3001\u91c8\u7136\u3068\u3057\u306a\u3044\u306e\u3067\u300138kHz \u70b9\u6ec5\u306e\u30c7\u30e5\u30fc\u2026","blog_title":"\u79c1\u306e\u4e8c\u6b21\u8a18\u61b6"}