{"id":2777,"date":"2015-11-25T21:02:17","date_gmt":"2015-11-25T12:02:17","guid":{"rendered":"https:\/\/jg7sfr.mydns.jp\/?p=2777"},"modified":"2015-11-26T23:16:40","modified_gmt":"2015-11-26T14:16:40","slug":"rf-sampler-%e3%81%9d%e3%81%ae4","status":"publish","type":"post","link":"https:\/\/jg7sfr.mydns.jp\/?p=2777","title":{"rendered":"RF sampler \u305d\u306e4 \u30ab\u30d7\u30e9?"},"content":{"rendered":"<p>RF sampler \u305d\u306e4\u3002FT-50-67\u306b10\u30bf\u30fc\u30f3\u3002\u3053\u308c\u306720dB\u306eRF sampler\u300250MHz\u3067\u306f77\u6750\u306f\u901a\u3059\u3060\u3051\u3067SWR\u60aa\u5316\u300243\u6750\u306f\u8a66\u3057\u3066\u3044\u306a\u3044\u3051\u308c\u3069\u3082\u300150MHz\u306f67\u6750\u304c\u826f\u3044\u307f\u305f\u3044\u3002<br \/>\n\u5dfb\u657010\u3002\u540c\u8ef8\u5074\u306f\u5dfb\u65701\u3002\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u6bd4\u3067100:1\u300250\u03a9\u309210\u30bf\u30fc\u30f3\u5074\u306b\u63a5\u7d9a\u3059\u308b\u306e\u3067\u540c\u8ef8\u5074\u306f0.5\u03a9\u30020.5*50.5=0.01\u306850\/50.5=0.99\u306e20dB\u306e\u96fb\u529b\u6bd4\u3002\u52d5\u4f5c\u30c6\u30b9\u30c8\u306f\u7121\u7dda\u6a5f\u306e\u8abf\u6574\u7b49\u3067\u4f7f\u3063\u305fRF\u30d7\u30ed\u30fc\u30d6\uff08\u500d\u96fb\u5727\u306eDi\u6574\u6d41\u5165\u308a\uff09\u3002FT-690\u306e2.5W\u3082\u6982\u306d\u6b63\u3057\u3044\u96fb\u572711.2V(\u6e2c\u5b9a\u306f22.4V\u306b\u8fd1\u3044\u5024)\u306e\u3092\u78ba\u8a8d\u3002-20dB\u306e\u96fb\u57271.12V(\u6e2c\u5b9a\u306f1.12V\u306b\u8fd1\u3044\u5024)\u3082\u78ba\u8a8d\u3002\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u3067\u30d7\u30ed\u30fc\u30d3\u30f3\u30b0\u306b\u5de5\u592b?\u3057\u3066\u6e2c\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u3051\u308c\u3069\u3082\u3001\u3046\u307e\u304f\u6e2c\u308c\u306a\u304b\u3063\u305f\u306e\u3067RF\u30d7\u30ed\u30fc\u30d6\u3092\u4f7f\u7528\u3002\u84cb\u3092\u306f\u3093\u3060\u4ed8\u3051\u3057\u3066\u5b8c\u4e86\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066HF\u7528\u3092\u4f5c\u308d\u3046\u3002RF\u30ab\u30d7\u30e9\u306a\u306e\u304b\u30b5\u30f3\u30d7\u30e9\u306a\u306e\u304b\u30fb\u30fb\u30fb<br \/>\n<a href=\"https:\/\/jg7sfr.mydns.jp\/wp-content\/uploads\/2015\/11\/DSC_7292.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/jg7sfr.mydns.jp\/wp-content\/uploads\/2015\/11\/DSC_7292-300x225.jpg\" alt=\"DSC_7292\" width=\"300\" height=\"225\" class=\"alignnone size-medium wp-image-2778\" srcset=\"https:\/\/jg7sfr.mydns.jp\/wp-content\/uploads\/2015\/11\/DSC_7292-300x225.jpg 300w, https:\/\/jg7sfr.mydns.jp\/wp-content\/uploads\/2015\/11\/DSC_7292.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>RF sampler \u305d\u306e4\u3002FT-50-67\u306b10\u30bf\u30fc\u30f3\u3002\u3053\u308c\u306720dB\u306eRF sampler\u300250MHz\u3067\u306f77\u6750\u306f\u901a\u3059\u3060\u3051\u3067SWR\u60aa\u5316\u300243\u6750\u306f\u8a66\u3057\u3066\u3044\u306a\u3044\u3051\u308c\u3069\u3082\u300150MHz\u306f67\u6750\u304c\u826f\u3044\u307f\u305f\u3044\u3002 \u5dfb\u657010\u3002\u540c\u8ef8&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2778,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"image","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-2777","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-rf-sampler","post_format-post-format-image"],"_links":{"self":[{"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/posts\/2777","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2777"}],"version-history":[{"count":3,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/posts\/2777\/revisions"}],"predecessor-version":[{"id":2786,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/posts\/2777\/revisions\/2786"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=\/wp\/v2\/media\/2778"}],"wp:attachment":[{"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2777"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2777"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jg7sfr.mydns.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2777"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}