{"author_name":"mirohoramiro","type":"rich","blog_url":"https://nichijo.dropoutdiary.com/","image_url":"https://m.media-amazon.com/images/I/4179powAC0L._SL500_.jpg","provider_url":"https://hatena.blog","published":"2026-03-25 11:54:26","categories":["\u30aa\u30fc\u30c7\u30a3\u30aa","DAP"],"provider_name":"Hatena Blog","description":"R2R\u3068\u306f\u3056\u3063\u304f\u308a\u3068\u8a00\u3046\u3068\u3001\u305f\u304f\u3055\u3093\u306e\u9ad8\u7cbe\u5ea6\u306a\u62b5\u6297\u3092\u306f\u3057\u3054\u307f\u305f\u3044\u306b\u4e26\u3079\u3066\u3001\u30c7\u30b8\u30bf\u30eb\u4fe1\u53f7\u3092\u30a2\u30ca\u30ed\u30b0\u4fe1\u53f7\u306b\u5909\u3048\u308b\u4ed5\u7d44\u307f\u3002(\u8a2d\u8a08\u601d\u60f3\u304c\u51fa\u3084\u3059\u3044) \u97f3\u306e\u7279\u6027\u3068\u3057\u3066\u306f\u300c\u6ed1\u3089\u304b\u3055\u300d\u3060\u3063\u305f\u308a\u300c\u97f3\u306e\u539a\u307f\u300d\u306a\u3069\u304c\u3001\u3088\u304f\u8a00\u308f\u308c\u308b\u6c4e\u7528\u54c1\u3068\u306e\u5dee\u5225\u70b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u305d\u3057\u3066DX270\u3067\u306f\u3001 \u30fb20bit R2R + 4bit\u30b9\u30c8\u30ea\u30f3\u30b0DAC\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9R2R\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3 \u30fb\u30d5\u30eb\u30d0\u30e9\u30f3\u30b98ch\u5b8c\u5168\u5dee\u52d5\u56de\u8def \u30fbFPGA Master3.0\u30c6\u30af\u30ce\u30ed\u30b8\u30fc \u30fb\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u62b5\u6297\u88dc\u511f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u3053\u308c\u3089\u3092\u8907\u96d1\u306b\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e\u304c\u300cR2R Ultra\u300d\u3068\u3057\u3066\u3001\u72ec\u81ea\u306e\u6280\u8853\u4f53\u7cfb\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u4ed6\u6a5f\u80fd\u3068\u3057\u3066\u3001DC12V\u5916\u90e8\u96fb\u6e90\u2026","height":"190","blog_title":"DORO BLUE NOTE","author_url":"https://blog.hatena.ne.jp/mirohoramiro/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnichijo.dropoutdiary.com%2Fentry%2F2026%2F03%2F25%2F115426\" title=\"\u30aa\u30fc\u30eb\u30a6\u30a7\u30a4\u30ba\u6e80\u8db3\u306a\u30a6\u30eb\u30c8\u30e9\u30de\u30b6\u30fc\u30b7\u30c3\u30d7\u6a5f\u3010iBasso Audio/DX270 R2R Ultra/DAP/\u97f3\u697d\u30d7\u30ec\u30fc\u30e4\u30fc\u3011 - DORO BLUE NOTE\" 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%","url":"https://nichijo.dropoutdiary.com/entry/2026/03/25/115426","version":"1.0","title":"\u30aa\u30fc\u30eb\u30a6\u30a7\u30a4\u30ba\u6e80\u8db3\u306a\u30a6\u30eb\u30c8\u30e9\u30de\u30b6\u30fc\u30b7\u30c3\u30d7\u6a5f\u3010iBasso Audio/DX270 R2R Ultra/DAP/\u97f3\u697d\u30d7\u30ec\u30fc\u30e4\u30fc\u3011"}