{"height":"190","author_name":"werebear","published":"2006-08-14 00:00:01","author_url":"https://blog.hatena.ne.jp/werebear/","version":"1.0","categories":["elec"],"provider_name":"Hatena Blog","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwerebear.hatenadiary.org%2Fentry%2F20060814%2Fp2\" title=\"\u4eca\u65e5\u306e\u5de5\u4f5c \u301cDAC63S \u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c8\u7de8\u301c - werebear\u306e\u65e5\u8a18 - a devout heretic -\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u4eca\u65e5\u306e\u5de5\u4f5c \u301cDAC63S \u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c8\u7de8\u301c","url":"https://werebear.hatenadiary.org/entry/20060814/p2","type":"rich","provider_url":"https://hatena.blog","width":"100%","blog_url":"https://werebear.hatenadiary.org/","description":"\u73fe\u7528 DAC \u306e\u57fa\u677f\u3092\u53d6\u308a\u5916\u3057\u3001\u304d\u306e\u3046\u5b8c\u6210\u3057\u305f\u57fa\u677f\u3068\u5165\u308c\u66ff\u3048\u308b\u3002\u3064\u3044\u3067\u306b\u30b1\u30fc\u30b9\u306b\u540c\u8ef8\u5165\u529b\u7528\u306e RCA \u30b3\u30cd\u30af\u30bf\u3092\u53d6\u308a\u4ed8\u3051\u3002\u57fa\u677f\u3068\u96fb\u6e90\u306e\u63a5\u7d9a\u306b\u5c11\u3005\u624b\u9593\u53d6\u308a\u3064\u3064\u3082\u914d\u7dda\u5b8c\u4e86\u3002DAC \u3068 OPAMP \u3092\u5916\u3057\u305f\u307e\u307e\u96fb\u6e90\u6295\u5165\u3002\u2026\u3046\u3093\u3001\u5225\u306b\u304a\u304b\u3057\u3044\u3068\u3053\u308d\u306f\u306a\u3044\u3002\u7279\u306b\u71b1\u304f\u306a\u3063\u3066\u3044\u308b IC \u3082\u306a\u3044\u3002\u4e09\u7aef\u5b50 3.3V \u7cfb\u3082\u554f\u984c\u306a\u3055\u305d\u3046\u3060\u3002\u3067\u306f\u3001\u3068 DAC IC \u3068 OPAMP \u3092\u633f\u3057\u3066\u96fb\u6e90\u3092\u5165\u308c\u3066\u307f\u308b\u3002OPAMP \u306b\u4f55\u3092\u4f7f\u3046\u304b\u8ff7\u3063\u305f\u304c\u7121\u96e3\u306a\u3068\u3053\u308d\u3067 OPA134 \u3092\u30c1\u30e7\u30a4\u30b9\u3002 \u307e\u305a\u51fa\u529b\u306e\u30c1\u30a7\u30c3\u30af\u3002\u3048\u3001\u53f3 ch \u3067 DC \u304c 2V \u4ee5\u4e0a\u51fa\u3066\u308b? \u306a\u3093\u3060\u305d\u308a\u3083\u3068\u601d\u3063\u3066\u8a08\u308a\u76f4\u3057\u305f\u3089 0.2mV \u7a0b\u5ea6\u3002\u3053\u308c\u306a\u3089\u554f\u984c\u306a\u3044\u3060\u2026","blog_title":"werebear\u306e\u65e5\u8a18 - a devout heretic -"}