{"published":"2026-05-03 22:12:50","author_url":"https://blog.hatena.ne.jp/nobcha23/","blog_title":"nobcha23\u306e\u30a8\u30a2\u30d0\u30f3\u30c9\u53d7\u4fe1\u6a5f\u81ea\u4f5c\u30d6\u30ed\u30b0 DIY airband receiver BLOG","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnobcha23.hatenadiary.com%2Fentry%2F2026%2F05%2F03%2F221250\" title=\"SINAD/THD\u30a4\u30f3\u30c7\u30a3\u30b1\u30fc\u30bf\u30fc\u3067R909-DSP1\u53d7\u4fe1\u6a5f\u3092\u8a55\u4fa1 - nobcha23\u306e\u30a8\u30a2\u30d0\u30f3\u30c9\u53d7\u4fe1\u6a5f\u81ea\u4f5c\u30d6\u30ed\u30b0 DIY airband receiver BLOG\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"TA2003+Si5351a+Si4732+LM386+ATmega328P\u3068\u8a00\u3046\u69cb\u6210\u306eR909-DSP1\u30a8\u30a2\u30d0\u30f3\u30c9\u53d7\u4fe1\u6a5f\u3092\u4f5c\u308a\u3001\u66f4\u306bSGA2851+TA2003+Si5351a+Si4732+TDA2822+ESP32-C3\u3068\u8a00\u3046\u69cb\u6210\u306eR909-DSP4\u30a8\u30a2\u30d0\u30f3\u30c9\u53d7\u4fe1\u6a5f\u306e\u30c7\u30d0\u30c3\u30b0\u4e2d\u3067\u3059\u3002 \u3053\u3046\u3057\u305fDIY\u53d7\u4fe1\u6a5f\u306e\u611f\u5ea6\u6e2c\u5b9a\u3092tinySA\u306eSG\u6a5f\u80fd\u7d44\u307f\u5408\u308f\u305b\u308b\u305f\u3081\u30c7\u30b8\u30bf\u30ebSINAD\u30a4\u30f3\u30c7\u30a3\u30b1\u30fc\u30bf\u3092\u8a2d\u8a08\u8a66\u4f5c\u3057\u307e\u3057\u305f\u3002\u305d\u3057\u3066\u3001R80\u30a8\u30a2\u30d0\u30f3\u30c9\u53d7\u4fe1\u6a5f\u306e\u5b9f\u9a13\u3092\u304d\u3063\u304b\u3051\u306bTHD\uff08\u6b6a\u6e2c\u5b9a\uff09\u3082\u8ffd\u52a0\u3057SINAD/THD\u30a4\u30f3\u30c7\u30a3\u30b1\u30fc\u30bf\u3068\u3057\u307e\u3057\u305f\u3002 ESP32-C3\u306eADC\u30ce\u30a4\u30ba\u554f\u984c\u3092\u62b1\u3048\u3066\u3044\u308b\u305f\u3081\u6027\u80fd\u3044\u307e\u3044\u3061\u3067\u3059\u304c\u2026","height":"190","version":"1.0","width":"100%","url":"https://nobcha23.hatenadiary.com/entry/2026/05/03/221250","blog_url":"https://nobcha23.hatenadiary.com/","author_name":"nobcha23","provider_url":"https://hatena.blog","type":"rich","provider_name":"Hatena Blog","title":"SINAD/THD\u30a4\u30f3\u30c7\u30a3\u30b1\u30fc\u30bf\u30fc\u3067R909-DSP1\u53d7\u4fe1\u6a5f\u3092\u8a55\u4fa1","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/nobcha23/20260503/20260503152543.jpg","categories":["R909-SINAD\u30a4\u30f3\u30c7\u30a3\u30b1\u30fc\u30bf"]}