{"id":392,"date":"2018-03-02T13:00:52","date_gmt":"2018-03-02T04:00:52","guid":{"rendered":"https:\/\/windabaft.co.jp\/blog_ceo\/?p=392"},"modified":"2018-03-16T20:30:47","modified_gmt":"2018-03-16T11:30:47","slug":"%e9%98%b2%e7%8a%af%e3%82%ab%e3%83%a1%e3%83%a9%e3%82%92%e5%bb%b6%e9%95%b7%e3%81%99%e3%82%8bbalun-lan%e3%82%b3%e3%83%8d%e3%82%af%e3%82%bf%e3%81%ae%e4%bb%95%e7%b5%84%e3%81%bf1","status":"publish","type":"post","link":"https:\/\/windabaft.co.jp\/blog_ceo\/?p=392","title":{"rendered":"\u30a2\u30ca\u30ed\u30b0\u9632\u72af\u30ab\u30e1\u30e9\u3092LAN\u30b1\u30fc\u30d6\u30eb\u3067\u5ef6\u9577\u3067\u304d\u308b\u30d0\u30e9\u30f3\uff08Balun\uff09\u5909\u63db\u30b3\u30cd\u30af\u30bf\u306e\u4ed5\u7d44\u307f\uff11\uff08BNC-LAN\u5909\u63db\u30a2\u30c0\u30d7\u30bf\uff09"},"content":{"rendered":"

\u524d\u56de\u306e\u8a18\u4e8b
\n\u30a2\u30ca\u30ed\u30b0\u9632\u72af\u30ab\u30e1\u30e9\u3092LAN\u30b1\u30fc\u30d6\u30eb\u3067\u914d\u7dda\u3059\u308b<\/a>
\n\u3067\u66f8\u3044\u305f\u3088\u3046\u306b\u4eca\u307e\u3067BNC\u30b1\u30fc\u30d6\u30eb\uff08\u540c\u8ef8\u30b1\u30fc\u30d6\u30eb\uff09\u3067\u914d\u7dda\u3057\u3066\u3044\u305f
\n\u30a2\u30ca\u30ed\u30b0\u30ab\u30e1\u30e9\u3092
\n\u9632\u72af\u30ab\u30e1\u30e9 LAN\u30b3\u30cd\u30af\u30bf\u30fc\u3000Balun<\/a>
\n\u3067\u63a5\u7d9a\u3059\u308b\u3053\u3068\u3067LAN\u30b1\u30fc\u30d6\u30eb\u3067\u914d\u7dda\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u3053\u308c\u3092\u8aad\u3093\u3067\u3001
\n\u300c\u306a\u3093\u3060\u63a5\u7d9a\u7528\u306e\u30b3\u30cd\u30af\u30bf\uff08\u7aef\u5b50\u53f0\uff09\u3068\u304b\u3067LAN\u5185\u306e\u7dda\u3092BNC\u306b\u7d50\u7dda\u3059\u308c\u3070\u3001
\n\u308f\u3056\u308f\u3056\u9632\u72af\u30ab\u30e1\u30e9LAN\u30b3\u30cd\u30af\u30bf\u306a\u3093\u3066\u4f7f\u308f\u306a\u304f\u3066\u3082\u63a5\u7d9a\u30fb\u914d\u7dda\u3067\u304d\u308b\u3093\u3058\u3083\u306a\u3044\u306e\uff1f\u300d<\/p>\n

\u3068\u611f\u3058\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002
\n\u3067\u3059\u304c\u3001\u78ba\u304b\u306b\u6620\u308b\u4e8b\u306b\u306f\u6620\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u6620\u50cf\u54c1\u8cea\u306f\u4e0d\u5b89\u5b9a\u3067
\n\u5ef6\u9577\u8ddd\u96e2\u304c\u9577\u3044\u307b\u3069\u9855\u8457\u306b\u60aa\u5316\u3057\u307e\u3059\u3002<\/p>\n

\u539f\u56e0\u306f\u7279\u6027\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3068\u4f1d\u9001\u65b9\u5f0f\uff08\u5e73\u8861\u30fb\u4e0d\u5e73\u8861\uff09\u304c\u4e0b\u8a18\u306e\u3088\u3046\u306b\u9055\u3046\u4e8b\u306b\u8d77\u56e0\u3057\u307e\u3059\u3002
\nBNC\u30b1\u30fc\u30d6\u30eb\uff0875\u03a9\uff09\uff1a\u4e0d\u5e73\u8861
\nLAN\u30b1\u30fc\u30d6\u30eb\uff08\u7d04100\u03a9\u7a0b\u5ea6\uff09\uff1a\u5e73\u8861<\/p>\n

\u3064\u307e\u308a\u7a2e\u985e\u304c\u9055\u3046\u30b1\u30fc\u30d6\u30eb\u3092\u3080\u308a\u3084\u308a\u7e4b\u3044\u3060\u306e\u3067\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u63a5\u7d9a\u7b87\u6240\u3067
\n\u53cd\u5c04\u640d\u5931 (return loss)<\/strong>
\n\u304c\u8d77\u3053\u308a\u3001\u6620\u50cf\u30c7\u30fc\u30bf\u304c\u9001\u4fe1\u5143\u304b\u3089\u53d7\u4fe1\u5143\u306b\u9069\u5207\u306b\u5c4a\u304b\u306a\u304f\u306a\u308b\u4e8b\u304c\u539f\u56e0\u3067\u3059\u3002<\/p>\n

\u3053\u308c\u3092\u4e0b\u8a18\u5199\u771f\u306e\u3088\u3046\u306bBalun\u30b3\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066\u89e3\u6c7a\u3057\u307e\u3059\u3002
\n\"\"<\/a>
\nBalun\u3068\u306f\u5e73\u8861\u3068\u4e0d\u5e73\u8861\u306e\u72b6\u614b\u306b\u3042\u308b\u96fb\u6c17\u4fe1\u53f7\u3092\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u7d20\u5b50<\/strong><\/span>\u3092\u3055\u3057\u307e\u3059\u304c\u3001
\n\u696d\u8005\u3055\u3093\u306f\u300c\u9632\u72af\u30ab\u30e1\u30e9LAN\u30b3\u30cd\u30af\u30bf\u306e\u5546\u54c1\u300d\u3092\u305d\u306e\u307e\u307e\u30d0\u30e9\u30f3\uff08\u30d0\u30eb\u30f3\uff09\u3068\u547c\u3093\u3067\u3044\u308b\u3053\u3068\u3082\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3061\u306a\u307f\u306b
\n\u300cbalun\u300d\uff1d\u5e73\u8861-\u4e0d\u5e73\u8861\u5909\u63db\u5668
\n\u3068\u3044\u3046\u610f\u5473\u3067\u5e73\u8861\uff08balanced\uff09\u3068\u4e0d\u5e73\u8861\uff08unbalanced\uff09\u306e\u982d\u6587\u5b57\u3092\u5408\u6210\u3057\u305f\u9020\u8a9e<\/p>\n

\u540c\u3058\u7a2e\u985e\u306e\u30b1\u30fc\u30d6\u30eb\u540c\u58eb\u3067\u3042\u308c\u3070\u3001\u6e1b\u8870\u306f\u3042\u308a\u307e\u3059\u304c\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u540c\u3058\u306a\u306e\u3067
\n\u3053\u306e\u3088\u3046\u306a\u5909\u63db\u30a2\u30c0\u30d7\u30bf\u3092\u4f7f\u308f\u306a\u304f\u3066\u3082\u5ef6\u9577\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001\u306a\u305c\u3053\u306e\u3088\u3046\u306aBNC\u3092LAN\u306b\u5909\u63db\u3059\u308b\u5546\u54c1\u304c\u3042\u308b\u304b\u3068\u3044\u3046\u3068
\n\u5358\u306bBNC\u30b1\u30fc\u30d6\u30eb\uff08RG59\uff09\u3088\u308a\u3082LAN\u30b1\u30fc\u30d6\u30eb\u306e\u307b\u3046\u304c\u5358\u4f4d\u9577\u3055\u3042\u305f\u308a\u5b89\u3044<\/strong><\/span>\u3068\u3044\u3046\u306e\u304c
\n\u4e00\u756a\u306e\u7406\u7531\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001BNC\u30b1\u30fc\u30d6\u30eb\u306f\u9577\u8ddd\u96e2\u4f1d\u9001\u306b\u306f\u4e0d\u5411\u304d\u3067\u3059\u304c\u3001
\nLAN\u30b1\u30fc\u30d6\u30eb\u306e\u5834\u5408\u306f\u3001
\n\u6620\u50cf\u306e\u4f1d\u9001\u8ddd\u96e2\u304c\u7d04300\uff4d\u7a0b\u5ea6\u307e\u3067\u30ea\u30d4\u30fc\u30bf\uff0d\uff08\u5897\u5e45\u5668\uff09\u7b49\u306a\u3057\u3067<\/strong><\/span>\u5ef6\u9577\u304c\u53ef\u80fd<\/strong><\/span>\u306b\u306a\u308a\u307e\u3059\u3002
\n\uff08\u3042\u304f\u307e\u3067\u6620\u50cf\u4f1d\u9001\u306e\u5834\u5408\u3067\u3059\u3002\u96fb\u6e90\u306f\u96fb\u5727\u964d\u4e0b\u304c\u8d77\u3053\u308b\u305f\u3081\u3053\u3046\u306f\u306a\u308a\u307e\u305b\u3093<\/span><\/strong>\uff09<\/p>\n

\u306a\u306e\u3067\u3001\u9577\u8ddd\u96e2\u306e\u6620\u50cf\u8ee2\u9001\u306e\u5fc5\u8981\u304c\u3042\u3063\u305f\u5834\u5408\u306b
\n\u3053\u306e\u9632\u72af\u30ab\u30e1\u30e9LAN\u30b3\u30cd\u30af\u30bf\u3092\u4f7f\u3063\u3066\u3001LAN\u30b1\u30fc\u30d6\u30eb\u3067\u5b89\u304f\u4f1d\u9001\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u3082\u3057\u3001\u305d\u306e\u3088\u3046\u306a\u969b\u306b\u306f\u3001\u4eca\u56de\u8aac\u660e\u3057\u305f\u65b9\u6cd5\u3082\u691c\u8a0e\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u203b\u53cd\u5c04\u640d\u5931\uff08\u53cd\u5c04\u6e1b\u8870\u91cf\uff09= Return Loss\u3000\u306b\u3064\u3044\u3066
\n\u9ad8\u5468\u6ce2\u56de\u8def\uff08\u53cd\u5c04\u304c\u8d77\u304d\u308b\u3088\u3046\u306a\u63a5\u7d9a\u70b9\uff09\u306b
\n\u5165\u529b\u3055\u308c\u308b\u96fb\u529b\u306e\u5e73\u65b9\u6839 (\u5165\u5c04\u6ce2) \u3092a1
\n\u53cd\u5c04\u3055\u308c\u305f\u96fb\u529b\u306e\u5e73\u65b9\u6839 (\u53cd\u5c04\u6ce2) \u3092b1
\n\u3068\u3059\u308b\u3068\u3001\u63a5\u7d9a\u70b9\u306b\u304a\u3051\u308b\u53cd\u5c04\u640d\u5931RL(Return Loss)\u306f<\/p>\n

\"\"<\/a><\/p>\n

\u3068\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u7279\u6027\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9Z0\u3068\u3001\u5165\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9ZL\u3068\u306e\u9593\u306b\u3001
\na1=ZL+Z0
\nb1=ZL-Z0
\n\u306e\u95a2\u4fc2\u304c\u3042\u308b\u306e\u3067\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u5f0f\u306b\u76f4\u305b\u307e\u3059\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u3064\u307e\u308a\u3001\u63a5\u7d9a\u70b9\uff08\u5883\u754c\u9762\uff09\u306b\u304a\u3044\u3066\u4f1d\u9001\u8def\u306e<\/p>\n

\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u5dee\u304c\u5927\u304d\u304f\u306a\u308b\u21d2RL\uff08\u53cd\u5c04\u640d\u5931\uff09\u304c\u5927\u304d\u304f\u306a\u308b<\/strong><\/span><\/p>\n

\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u524d\u56de\u306e\u8a18\u4e8b \u30a2\u30ca\u30ed\u30b0\u9632\u72af\u30ab\u30e1\u30e9\u3092LAN\u30b1\u30fc\u30d6\u30eb\u3067\u914d\u7dda\u3059\u308b \u3067\u66f8\u3044\u305f\u3088\u3046\u306b\u4eca\u307e\u3067BNC\u30b1\u30fc\u30d6\u30eb\uff08\u540c\u8ef8\u30b1\u30fc\u30d6\u30eb\uff09\u3067\u914d\u7dda\u3057\u3066\u3044\u305f \u30a2\u30ca\u30ed\u30b0\u30ab\u30e1\u30e9\u3092 \u9632\u72af\u30ab\u30e1\u30e9 LAN\u30b3\u30cd\u30af\u30bf\u30fc\u3000Balun \u3067\u63a5\u7d9a\u3059\u308b\u3053\u3068\u3067LAN\u30b1\u30fc\u30d6\u30eb\u3067\u914d\u7dda … \u7d9a\u304d\u3092\u8aad\u3080 \u30a2\u30ca\u30ed\u30b0\u9632\u72af\u30ab\u30e1\u30e9\u3092LAN\u30b1\u30fc\u30d6\u30eb\u3067\u5ef6\u9577\u3067\u304d\u308b\u30d0\u30e9\u30f3\uff08Balun\uff09\u5909\u63db\u30b3\u30cd\u30af\u30bf\u306e\u4ed5\u7d44\u307f\uff11\uff08BNC-LAN\u5909\u63db\u30a2\u30c0\u30d7\u30bf\uff09<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":393,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[24,30],"tags":[],"class_list":["post-392","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-camera","category-cam_installation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/posts\/392","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=392"}],"version-history":[{"count":6,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/posts\/392\/revisions"}],"predecessor-version":[{"id":556,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/posts\/392\/revisions\/556"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=\/wp\/v2\/media\/393"}],"wp:attachment":[{"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=392"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/windabaft.co.jp\/blog_ceo\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}