{"url":"https://analogue-synthesizer.hatenablog.com/entry/2021/03/15/205602","author_url":"https://blog.hatena.ne.jp/Analogue-Synthesizer/","blog_url":"https://analogue-synthesizer.hatenablog.com/","provider_url":"https://hatena.blog","height":"190","image_url":null,"blog_title":"Analogue-Synthesizer\u306e\u30d6\u30ed\u30b0","description":"\u81ea\u4f5cSynthesizer\u306e\u672c\u3067\u306f\u3001LM3914N\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u304c \u305d\u306e\u30c7\u30b7\u30d9\u30eb\u8868\u793a\u306b\u76ee\u304c\u884c\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f LM3915-1\u3068\u8a00\u3046\u30013dB\u3054\u3068\u8868\u793a\u3059\u308b\u30bf\u30a4\u30d7 \u305a\u3044\u3076\u3093\u5358\u4f4d\u3067\u60a9\u307f\u307e\u3057\u305f\u3002 \u6700\u59276[dBv]\u306e\u8868\u793a\u306b\u3057\u3088\u3046\u304b\u3068\u601d\u3063\u3066\uff65\uff65\uff65 \u4eca\u306f[dBV]\u3068[dBv]\u3068\u9593\u9055\u3046\u306e\u3067\u3001[dBu]\u3068\u8868\u793a\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002 \u50d5\u306f\u3001\u5c0f\u6587\u5b57\u306eU\u3068\u3001\u5358\u4f4d\u306e\u30de\u30a4\u30af\u30ed(\u00b5)\u3068\u9593\u9055\u3048\u3066\u3057\u307e\u3044 \u305a\u3044\u3076\u3093\u60a9\u307f\u307e\u3057\u305f\u3002\u304f\u3060\u3089\u306a\u3044\u4e8b\u3067\u3057\u305f\u3002","title":"\u4fe1\u53f7\u306eLevel-Meter-IC\u3092\u8cb7\u3063\u3066\u307f\u3066","published":"2021-03-15 20:56:02","categories":[],"version":"1.0","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fanalogue-synthesizer.hatenablog.com%2Fentry%2F2021%2F03%2F15%2F205602\" title=\"\u4fe1\u53f7\u306eLevel-Meter-IC\u3092\u8cb7\u3063\u3066\u307f\u3066 - Analogue-Synthesizer\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","author_name":"Analogue-Synthesizer","type":"rich"}