{"type":"rich","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/J/JH1LHV/20210729/20210729145033.jpg","author_url":"https://blog.hatena.ne.jp/JH1LHV/","author_name":"JH1LHV","categories":["\u30d5\u30a3\u30eb\u30bf\u88fd\u4f5c","Linear amplifier Kit"],"blog_url":"https://www.jh1lhv.tokyo/","published":"2021-08-01 21:16:51","url":"https://www.jh1lhv.tokyo/entry/2021/08/01/211651","version":"1.0","description":"\u524d\u56de\u88fd\u4f5c\u3057\u305f 7MHz \u7528\u30c1\u30a7\u30d3\u30b7\u30a7\u30d5 LPF \u3092\u3001\u5b9f\u969b\u306e\u9001\u4fe1\u6a5f\u3068\u30ea\u30cb\u30a2\u30a2\u30f3\u30d7\u3078\u63a5\u7d9a\u3057\u3001\u9ad8\u8abf\u6ce2\u304c\u3069\u306e\u7a0b\u5ea6\u6e1b\u8870\u3059\u308b\u304b\u30b9\u30da\u30af\u30c8\u30e9\u30e0\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u3067\u6e2c\u5b9a\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u4f7f\u7528\u3059\u308b\u306e\u306f\u3001\u518d\u8a2d\u8a08\u306b\u3088\u3063\u3066\u826f\u597d\u306a\u7279\u6027\u304c\u5f97\u3089\u308c\u305f\u65b9\u306eLPF\u3067\u3059\u3002 NanoVNA \u306b\u3088\u308b\u5c0f\u4fe1\u53f7\u6e2c\u5b9a\u3067\u306f\u3001\u6b21\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u3066\u3044\u307e\u3059\u3002 \u6e2c\u5b9a\u9805\u76ee \u5b9f\u6e2c\u5024 7MHz\u306e\u633f\u5165\u640d\u5931 \u7d040.45dB 7MHz\u306eVSWR \u7d041.04 14MHz\u306e\u6e1b\u8870\u91cf \u7d0447.6dB \u901a\u904e\u5e2f\u57df\u7aef \u7d048.9MHz \u4eca\u56de\u306f\u3001QCX \u5358\u4f53\u3068\u3001\u4e2d\u83ef\u30ea\u30cb\u30a2\u30a2\u30f3\u30d7\u3092\u63a5\u7d9a\u3057\u305f\u5834\u5408\u306b\u3064\u3044\u3066\u3001LPF \u306e\u6709\u7121\u306b\u3088\u308b\u30b9\u30da\u30af\u30c8\u30e9\u30e0\u306e\u5909\u5316\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 \u6e2c\u5b9a\u69cb\u6210 \u6e2c\u5b9a\u306b\u306f\u3001\u6b21\u306e\u6a5f\u5668\u3092\u4f7f\u7528\u3057\u307e\u3057\u2026","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.jh1lhv.tokyo%2Fentry%2F2021%2F08%2F01%2F211651\" title=\"7MHz \u7528\u30c1\u30a7\u30d3\u30b7\u30a7\u30d5 LPF \u306e\u88fd\u4f5c\uff083\uff09- \u30b9\u30d7\u30ea\u30a2\u30b9\u4f4e\u6e1b\u52b9\u679c\u3092\u6e2c\u5b9a - JH1LHV\u306e\u96d1\u8a18\u5e33\" 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%","blog_title":"JH1LHV\u306e\u96d1\u8a18\u5e33","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","title":"7MHz \u7528\u30c1\u30a7\u30d3\u30b7\u30a7\u30d5 LPF \u306e\u88fd\u4f5c\uff083\uff09- \u30b9\u30d7\u30ea\u30a2\u30b9\u4f4e\u6e1b\u52b9\u679c\u3092\u6e2c\u5b9a"}