{"id":2326,"date":"2025-09-02T08:07:09","date_gmt":"2025-09-02T08:07:09","guid":{"rendered":"https:\/\/sankorf.com\/?p=2326"},"modified":"2025-09-02T08:21:58","modified_gmt":"2025-09-02T08:21:58","slug":"guide-to-understanding-vector-network-analyzer-in-the-time-domain","status":"publish","type":"post","link":"https:\/\/sankorf.com\/ja\/blog\/guide-to-understanding-vector-network-analyzer-in-the-time-domain\/","title":{"rendered":"\u6642\u9593\u9818\u57df\u306b\u304a\u3051\u308b\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u7406\u89e3\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u30d9\u30af\u30c8\u30eb\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30a2\u30ca\u30e9\u30a4\u30b6\uff08VNA\uff09\u306f\u3001RF\u304a\u3088\u3073\u30de\u30a4\u30af\u30ed\u6ce2\u5de5\u5b66\u306b\u304a\u3051\u308b\u57fa\u76e4\u3068\u306a\u308b\u6e2c\u5b9a\u6280\u8853\u3067\u3042\u308a\u3001\u96fb\u5b50\u90e8\u54c1\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u6319\u52d5\u3092\u7279\u6027\u5316\u3059\u308b\u3046\u3048\u3067\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002\u5f93\u6765\u3001VNA\u306f\u5468\u6ce2\u6570\u5fdc\u7b54\u306b\u57fa\u3065\u3044\u3066\u4fe1\u53f7\u3092\u89e3\u6790\u3059\u308b\u5468\u6ce2\u6570\u9818\u57df\u3067\u52d5\u4f5c\u3057\u3066\u304d\u305f\u304c\u3001\u6642\u7cfb\u5217\u9818\u57df\u3067\u306e\u89e3\u6790\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3084\u30b1\u30fc\u30d6\u30eb\u5185\u306e\u6545\u969c\u3084\u4e0d\u9023\u7d9a\u6027\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u6b20\u304b\u305b\u306a\u3044\u624b\u6cd5\u3068\u306a\u3063\u3066\u3044\u308b\u3002\u672c\u7a3f\u3067\u306f\u3001\u6642\u7cfb\u5217\u30d9\u30af\u30c8\u30eb\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u89e3\u6790\u306e\u539f\u7406\u3001\u5fdc\u7528\u3001\u5229\u70b9\u3092\u53d6\u308a\u4e0a\u3052\u3001\u6570\u5b66\u7684\u5909\u63db\u3092\u6d3b\u7528\u3057\u3066\u7cbe\u5bc6\u304b\u3064\u4f4d\u7f6e\u7279\u5b9a\u7684\u306a\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3059\u308b\u65b9\u6cd5\u3092\u5f37\u8abf\u3059\u308b\u3002<\/p>\n\n\n\n<h2 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href=\"https:\/\/sankorf.com\/ja\/blog\/vector-network-analyzer-guide-to-rf-testing\/\">Vector Network Analyzer Guide To RF Testing<\/a>\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5468\u6ce2\u6570\u9818\u57df\u304b\u3089\u6642\u9593\u9818\u57df\u3078\u306e\u79fb\u884c<\/h2>\n\n\n\n<p>\u6642\u9593\u9818\u57df\u89e3\u6790\u306f\u3001\u5468\u6ce2\u6570\u3067\u306f\u306a\u304f\u3001\u6642\u9593\u307e\u305f\u306f\u7269\u7406\u7684\u8ddd\u96e2\u306e\u95a2\u6570\u3068\u3057\u3066\u4fe1\u53f7\u306e\u6319\u52d5\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u624b\u6cd5\u306b\u3088\u308a\u3001\u6280\u8853\u8005\u306f\u30b3\u30cd\u30af\u30bf\u3001\u6545\u969c\u3001\u307e\u305f\u306f\u4f1d\u9001\u7dda\u8def\u5185\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u4e0d\u6574\u5408\u3068\u3044\u3063\u305f\u4e0d\u9023\u7d9a\u6027\u306e\u5177\u4f53\u7684\u306a\u7269\u7406\u7684\u4f4d\u7f6e\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5f93\u6765\u3001\u6642\u9593\u9818\u57df\u53cd\u5c04\u6e2c\u5b9a\uff08TDR\uff09\u306f\u96fb\u5727\u30a4\u30f3\u30d1\u30eb\u30b9\u3092\u9001\u4fe1\u3057\u3001\u305d\u306e\u53cd\u5c04\u3092\u89b3\u6e2c\u3059\u308b\u3053\u3068\u3067\u3053\u306e\u3088\u3046\u306a\u6e2c\u5b9a\u3092\u884c\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u73fe\u4ee3\u306e\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\uff08VNA\uff09\u306f\u3001\u5468\u6ce2\u6570\u9818\u57df\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3057\u3001\u9006\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u3084 Chirp Z \u5909\u63db\u3068\u3044\u3063\u305f\u9ad8\u5ea6\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u9069\u7528\u3057\u3066\u3001\u5468\u6ce2\u6570\u5fdc\u7b54\u3092\u6642\u9593\u9818\u57df\u8868\u73fe\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306f\u3001\u9ad8\u3044\u8a08\u7b97\u80fd\u529b\u3068 VNA \u306b\u7d44\u307f\u8fbc\u307e\u308c\u305f\u9ad8\u5ea6\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u3063\u3066\u5b9f\u7528\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VNA\u306e\u4e3b\u8981\u306a\u6642\u9593\u9818\u57df\u7528\u8a9e<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-border-color has-palette-color-4-border-color has-fixed-layout\" style=\"border-width:1px\"><tbody><tr><td><strong>\u7528\u8a9e<\/strong><\/td><td><strong>\u8aac\u660e<\/strong><\/td><\/tr><tr><td>\u9006\u30d5\u30fc\u30ea\u30a8\u5909\u63db<\/td><td>\u5468\u6ce2\u6570\u9818\u57df\u306e\u30c7\u30fc\u30bf\u3092\u6642\u9593\u9818\u57df\u306e\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3059\u308b\u6570\u5b66\u7684\u65b9\u6cd5<\/td><\/tr><tr><td>\u30b9\u30c6\u30c3\u30d7\u5fdc\u7b54<\/td><td>\u5165\u529b\u306e\u6025\u5909\u306b\u5bfe\u3059\u308bDUT\u306e\u4fe1\u53f7\u5fdc\u7b54<\/td><\/tr><tr><td>\u30a4\u30f3\u30d1\u30eb\u30b9\u5fdc\u7b54<\/td><td>\u975e\u5e38\u306b\u77ed\u3044\u30d0\u30fc\u30b9\u30c8\u5165\u529b\u306b\u5bfe\u3059\u308b\u5fdc\u7b54\u3067\u3001\u30c7\u30eb\u30bf\u95a2\u6570\u3068\u3057\u3066\u7406\u60f3\u5316\u3055\u308c\u308b<\/td><\/tr><tr><td>\u30b2\u30fc\u30c6\u30a3\u30f3\u30b0<\/td><td>\u4e0d\u8981\u306a\u4fe1\u53f7\u53cd\u5c04\u3092\u9664\u53bb\u3059\u308b\u305f\u3081\u306e\u6642\u9593\u9818\u57df\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/td><\/tr><tr><td>\u4e0d\u9023\u7d9a\u6027<\/td><td>\u4fe1\u53f7\u306e\u53cd\u5c04\u3084\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u4e0d\u6574\u5408\u3092\u5f15\u304d\u8d77\u3053\u3059\u7269\u7406\u7684\u4f4d\u7f6e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u6642\u9593\u9818\u57df\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u306e\u52d5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5468\u6ce2\u6570\u30b9\u30a4\u30fc\u30d7\u6e2c\u5b9a\uff1aVNA \u304c\u5468\u6ce2\u6570\u7bc4\u56f2\u3092\u30b9\u30a4\u30fc\u30d7\u3057\u3001DUT \u306e S \u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u5909\u63db\uff1a\u9006\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u307e\u305f\u306f Chirp Z \u5909\u63db\u3092\u7528\u3044\u3066\u3001\u5468\u6ce2\u6570\u30c7\u30fc\u30bf\u3092\u6570\u5b66\u7684\u306b\u6642\u9593\u9818\u57df\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30d1\u30eb\u30b9\/\u30b9\u30c6\u30c3\u30d7\u5fdc\u7b54\u8a08\u7b97\uff1a\u3053\u306e\u5909\u63db\u306b\u3088\u308a DUT 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class=\"wp-block-heading\">\u30d9\u30af\u30c8\u30eb\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30a2\u30ca\u30e9\u30a4\u30b6 (VNA) \u3092\u7528\u3044\u305f\u6642\u9593\u9818\u57df\u89e3\u6790\u306e\u5229\u70b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b63\u78ba\u306a\u6545\u969c\u4f4d\u7f6e\u7279\u5b9a\uff1a\u6642\u9593\u9818\u57df\u30d7\u30ed\u30c3\u30c8\u306b\u3088\u308a\u3001\u6545\u969c\u3084\u4e0d\u9023\u7d9a\u304c\u767a\u751f\u3059\u308b\u5834\u6240\u3092\u6b63\u78ba\u306b\u7279\u5b9a\u3067\u304d\u3001\u30b1\u30fc\u30d6\u30eb\u8a66\u9a13\u3084\u30a2\u30f3\u30c6\u30ca\u8a3a\u65ad\u306b\u6709\u52b9\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u9ad8\u3044\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30b8\u3068\u7cbe\u5ea6\uff1aVNA\u306f\u5f93\u6765\u306eTDR\u6a5f\u5668\u3088\u308a\u3082\u512a\u308c\u305f\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30b8\u3092\u63d0\u4f9b\u3057\u3001\u6e2c\u5b9a\u306b\u304a\u3051\u308bS\/N\u6bd4\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u591a\u7528\u9014\u6027\uff1a1\u53f0\u306e\u6a5f\u5668\u3067\u5468\u6ce2\u6570\u9818\u57df\u304a\u3088\u3073\u6642\u9593\u9818\u57df\u306e\u89e3\u6790\u304c\u53ef\u80fd\u3067\u3001\u8a66\u9a13\u88c5\u7f6e\u306e\u5fc5\u8981\u6027\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5206\u89e3\u80fd\u306e\u5411\u4e0a\uff1a\u6383\u5f15\u3059\u308b\u5468\u6ce2\u6570\u5e2f\u57df\u304c\u5e83\u3044\u307b\u3069\uff08\u6700\u65b0\u306eVNA\u3067\u306f65 GHz\u4ee5\u4e0a\uff09\u3001\u5206\u89e3\u80fd\u304c\u9ad8\u307e\u308a\u3001\u8fd1\u63a5\u3057\u305f\u4e0d\u9023\u7d9a\u3092\u8b58\u5225\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u6642\u9593\u9818\u57df\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u306e\u5b9f\u7528\u7684\u5fdc\u7528<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b1\u30fc\u30d6\u30eb\u8a66\u9a13\u3068\u6545\u969c\u691c\u51fa\uff1a \u6642\u9593\u9818\u57df\u6e2c\u5b9a\u306b\u3088\u308a\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u65ad\u7dda\u3001\u30b7\u30e7\u30fc\u30c8\u3001\u307e\u305f\u306f\u640d\u50b7\u3057\u305f\u30b3\u30cd\u30af\u30bf\u3092\u9ad8\u7cbe\u5ea6\u3067\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u6e2c\u5b9a\uff1a \u6280\u8853\u8005\u306f\u4f1d\u9001\u7dda\u8def\u306b\u6cbf\u3063\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u5909\u5316\u3092\u89b3\u5bdf\u3067\u304d\u3001\u3053\u308c\u306f\u4fe1\u53f7\u306e\u5b8c\u5168\u6027\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u30a2\u30f3\u30c6\u30ca\u304a\u3088\u3073\u30d5\u30a3\u30eb\u30bf\u7279\u6027\u8a55\u4fa1\uff1a \u30a2\u30f3\u30c6\u30ca\u69cb\u9020\u3084\u30d5\u30a3\u30eb\u30bf\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u4e0d\u6574\u5408\u3084\u53cd\u5c04\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u9ad8\u901f\u30c7\u30b8\u30bf\u30eb\u30e9\u30a4\u30f3\u306e\u4fe1\u53f7\u5b8c\u5168\u6027\u30c1\u30a7\u30c3\u30af\uff1a VNA\u304c\u9ad8\u901f\u30a4\u30f3\u30bf\u30fc\u30b3\u30cd\u30af\u30c8\u5185\u306e\u53cd\u5c04\u3092\u89e3\u6790\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30c7\u30b8\u30bf\u30eb\u30a8\u30f3\u30b8\u30cb\u30a2\u5411\u3051\u306b\u9069\u5fdc\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u307e\u3059\u307e\u3059\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u6642\u9593\u9818\u57df\u89e3\u6790 \u5bfe \u5f93\u6765\u306eTDR<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-border-color has-palette-color-4-border-color has-fixed-layout\" style=\"border-width:1px\"><tbody><tr><td><strong>\u7279\u5fb4<\/strong><\/td><td><strong>\u6642\u9593\u9818\u57df\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6<\/strong><\/td><td><strong>\u5f93\u6765\u306e TDR<\/strong><\/td><\/tr><tr><td>\u6e2c\u5b9a\u539f\u7406<\/td><td>\u5468\u6ce2\u6570\u30b9\u30a4\u30fc\u30d7 + \u6570\u5b66\u7684\u5909\u63db<\/td><td>\u5358\u4e00\u30a4\u30f3\u30d1\u30eb\u30b9\u4fe1\u53f7\u306e\u6e2c\u5b9a<\/td><\/tr><tr><td>\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30b8<\/td><td>\u9ad8\u3044\uff08\u30ca\u30ed\u30fc\u30d0\u30f3\u30c9\u53d7\u4fe1\u6a5f\u306e\u304a\u304b\u3052\u3067\uff09<\/td><td>\u4f4e\u3044<\/td><\/tr><tr><td>\u5fc5\u8981\u306a\u6a5f\u6750<\/td><td>\u5358\u4e00\u306e VNA \u30c7\u30d0\u30a4\u30b9<\/td><td>\u5c02\u7528\u306e TDR \u88c5\u7f6e<\/td><\/tr><tr><td>\u7cbe\u5ea6<\/td><td>\u8907\u96d1\u306aDUT\u306b\u9069\u3057\u3066\u3044\u308b<\/td><td>\u30aa\u30b7\u30ed\u30b9\u30b3\u30fc\u30d7\u306e\u6027\u80fd\u306b\u5236\u9650\u3055\u308c\u308b<\/td><\/tr><tr><td>\u4f7f\u3044\u3084\u3059\u3055<\/td><td>\u3088\u308a\u591a\u7528\u9014\u3067\u3001\u5468\u6ce2\u6570\u9818\u57df\u3092\u542b\u3080<\/td><td>\u6642\u9593\u9818\u57df\u306e\u307f\u306b\u9650\u5b9a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u6642\u9593\u9818\u57dfVNA\u6027\u80fd\u306b\u95a2\u3059\u308b\u7d71\u8a08\u7684\u6d1e\u5bdf<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u5927 65 GHz \u307e\u3067\u30b9\u30a4\u30fc\u30d7\u53ef\u80fd\u306a VNA \u306f\u3001\u72ed\u5e2f\u57df\u306e\u88c5\u7f6e\uff08\u4f8b\uff1a26.5 GHz \u5e2f\u57df\u5e45\uff09\u3068\u6bd4\u8f03\u3057\u3066\u3001\u512a\u308c\u305f\u6642\u9593\u9818\u57df\u5206\u89e3\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5e83\u3044\u5468\u6ce2\u6570\u30b9\u30d1\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6570\u30df\u30ea\u30e1\u30fc\u30c8\u30eb\u9593\u9694\u3067\u914d\u7f6e\u3055\u308c\u305f\u4e0d\u9023\u7d9a\u70b9\u3092\u8b58\u5225\u3059\u308b\u80fd\u529b\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>VNA \u3092\u7528\u3044\u305f\u6642\u9593\u9818\u57df\u89e3\u6790\u306f\u3001\u5f93\u6765\u306e TDR \u3088\u308a\u3082\u8457\u3057\u304f\u9ad8\u3044 S\/N \u6bd4\u3092\u793a\u3057\u3001\u305d\u306e\u7d50\u679c\u3001\u6e2c\u5b9a\u306e\u518d\u73fe\u6027\u304c\u5411\u4e0a\u3057\u3001\u4e0d\u78ba\u304b\u3055\u304c\u4f4e\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u6642\u9593\u9818\u57df\u6e2c\u5b9a\u306e\u6700\u9069\u5316\uff1a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5468\u6ce2\u6570\u7bc4\u56f2\u306e\u6700\u5927\u5316\uff1a\u3088\u308a\u5e83\u3044\u5468\u6ce2\u6570\u7bc4\u56f2\u306f\u89e3\u50cf\u5ea6\u3068\u7cbe\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u5468\u6ce2\u6570\u30b5\u30f3\u30d7\u30eb\u9593\u9694\uff1a\u6642\u9593\u9818\u57df\u30c7\u30fc\u30bf\u3067\u306e\u30a8\u30a4\u30ea\u30a2\u30b7\u30f3\u30b0\u52b9\u679c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6642\u9593\u9818\u57df\u30b2\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u4f7f\u7528\uff1a\u4e0d\u8981\u306a\u4fe1\u53f7\u3084\u591a\u91cd\u53cd\u5c04\u3092\u9664\u53bb\u3057\u3001\u5bfe\u8c61\u306e\u7279\u6027\u306b\u96c6\u4e2d\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6821\u6b63\uff1a\u6709\u52b9\u306a\u6642\u9593\u9818\u57df\u5909\u63db\u7d50\u679c\u3092\u5f97\u308b\u305f\u3081\u306b\u3001VNA\u304c\u5468\u6ce2\u6570\u9818\u57df\u3067\u6b63\u3057\u304f\u6821\u6b63\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6\uff1aSankorf\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u3092\u5f37\u5316\u3057\u307e\u3057\u3087\u3046<\/h2>\n\n\n\n<p>\u6642\u9593\u9818\u57df\u3067\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u306f\u3001RF\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u5f37\u529b\u306a\u512a\u4f4d\u6027\u3092\u3082\u305f\u3089\u3057\u3001\u6545\u969c\u306e\u6b63\u78ba\u306a\u4f4d\u7f6e\u7279\u5b9a\u3084\u90e8\u54c1\u52d5\u4f5c\u306e\u6df1\u3044\u6d1e\u5bdf\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002Sankorf\u306f\u3001\u6700\u9ad8\u6c34\u6e96\u306e\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u5c02\u9580\u7684\u306a\u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3001\u304a\u5ba2\u69d8\u306e\u8a66\u9a13\u304a\u3088\u3073\u6e2c\u5b9a\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u5148\u9032\u7684\u306a\u30de\u30a4\u30af\u30ed\u6ce2\u30b7\u30b9\u30c6\u30e0\u306b\u53d6\u308a\u7d44\u3080\u5834\u5408\u3067\u3082\u3001\u30c7\u30b8\u30bf\u30eb\u30e9\u30a4\u30f3\u306e\u4fe1\u53f7\u5b8c\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u5f53\u793e\u306e\u6280\u8853\u3068\u30b5\u30dd\u30fc\u30c8\u306b\u3088\u3063\u3066\u6642\u9593\u9818\u57dfVNA\u306e\u53ef\u80fd\u6027\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>* <a href=\"https:\/\/sankorf.com\/ja\/\">Sanko<\/a>\u306e\u5305\u62ec\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63a2\u7d22\u3057\u3001\u4eca\u65e5\u304b\u3089\u6e2c\u5b9a\u7cbe\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3057\u3087\u3046\uff01\u5177\u4f53\u7684\u306a\u8981\u4ef6\u306b\u3064\u3044\u3066\u8a71\u3057\u5408\u3044\u3001\u5c02\u9580\u7684\u306a\u30b5\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u308b\u305f\u3081\u306b <a href=\"https:\/\/sankorf.com\/ja\/contact-us\/\">\u304a\u554f\u3044\u5408\u308f\u305b\u30da\u30fc\u30b8<\/a> \u304b\u3089\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\u30bb\u30af\u30b7\u30e7\u30f3<\/h2>\n\n\n\n<p><strong>1. \u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u306b\u304a\u3051\u308b\u5468\u6ce2\u6570\u9818\u57df\u89e3\u6790\u3068\u6642\u9593\u9818\u57df\u89e3\u6790\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u3048:<br>\u5468\u6ce2\u6570\u9818\u57df\u89e3\u6790\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u7570\u306a\u308b\u5468\u6ce2\u6570\u306b\u3069\u306e\u3088\u3046\u306b\u5fdc\u7b54\u3059\u308b\u304b\u3092\u6e2c\u5b9a\u3057\u3001S \u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u547c\u3070\u308c\u308b\u632f\u5e45\u304a\u3088\u3073\u4f4d\u76f8\u60c5\u5831\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u6642\u9593\u9818\u57df\u89e3\u6790\u306f\u3053\u308c\u3089\u306e\u5468\u6ce2\u6570\u30c7\u30fc\u30bf\u3092\u5909\u63db\u3057\u3066\u3001\u4fe1\u53f7\u304c\u6642\u9593\u3084\u8ddd\u96e2\u306b\u5fdc\u3058\u3066\u3069\u306e\u3088\u3046\u306b\u632f\u308b\u821e\u3046\u304b\u3092\u8868\u73fe\u3057\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u30b1\u30fc\u30d6\u30eb\u3084\u90e8\u54c1\u5185\u306e\u6545\u969c\u3084\u4e0d\u9023\u7d9a\u7b87\u6240\u3092\u6b63\u78ba\u306b\u7279\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002VNA \u306f\u9006\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u306a\u3069\u306e\u6570\u5b66\u7684\u624b\u6cd5\u3092\u7528\u3044\u3066\u3053\u306e\u5909\u63db\u3092\u5b9f\u884c\u3057\u3001\u5f93\u6765\u306e\u5468\u6ce2\u6570\u9818\u57df\u306e\u77e5\u898b\u3092\u7a7a\u9593\u30fb\u6642\u9593\u5206\u89e3\u80fd\u3068\u7d50\u3073\u4ed8\u3051\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3084\u7279\u6027\u8a55\u4fa1\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>2. \u30d9\u30af\u30c8\u30eb\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30a2\u30ca\u30e9\u30a4\u30b6\u306f\u3001\u5468\u6ce2\u6570\u9818\u57df\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066\u6642\u9593\u9818\u57df\u6e2c\u5b9a\u3092\u3069\u306e\u3088\u3046\u306b\u884c\u3044\u307e\u3059\u304b\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u3048:<br>\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\uff08VNA\uff09\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u5468\u6ce2\u6570\u7bc4\u56f2\u3092\u30b9\u30a4\u30fc\u30d7\u3057\u3001\u96e2\u6563\u70b9\u3067 S \u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u5468\u6ce2\u6570\u9818\u57df\u30c7\u30fc\u30bf\u306b\u9006\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u307e\u305f\u306f Chirp Z \u5909\u63db\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001VNA \u306f\u305d\u308c\u3092\u30a4\u30f3\u30d1\u30eb\u30b9\u5fdc\u7b54\u3084\u30b9\u30c6\u30c3\u30d7\u5fdc\u7b54\u3068\u3044\u3063\u305f\u6642\u9593\u9818\u57df\u306e\u5fdc\u7b54\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u3001\u53cd\u5c04\u3084\u4e0d\u9023\u7d9a\u70b9\u304c\u7570\u306a\u308b\u6642\u9593\u9593\u9694\u3067\u30d4\u30fc\u30af\u3068\u3057\u3066\u73fe\u308c\u3001\u4f1d\u9001\u7dda\u8def\u3084\u30c7\u30d0\u30a4\u30b9\u4e0a\u3067\u306e\u6b63\u78ba\u306a\u4f4d\u7f6e\u304c\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u624b\u6cd5\u306f\u3001\u5f93\u6765\u306e\u6642\u9593\u9818\u57df\u53cd\u5c04\u6cd5\uff08TDR\uff09\u3068\u6bd4\u3079\u3066\u512a\u308c\u305f\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30b8\u3068\u7cbe\u5ea6\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>3. \u30b1\u30fc\u30d6\u30eb\u304a\u3088\u3073\u30a2\u30f3\u30c6\u30ca\u8a66\u9a13\u306b\u304a\u3051\u308b\u6642\u9593\u9818\u57df\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u306e\u5b9f\u7528\u7684\u306a\u5fdc\u7528\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u3048:<br>\u6642\u9593\u9818\u57df\u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u306f\u3001\u6b21\u306e\u7528\u9014\u306b\u304a\u3044\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b1\u30fc\u30d6\u30eb\u5185\u306e\u65ad\u7dda\u3001\u969c\u5bb3\u3001\u307e\u305f\u306f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u4e0d\u6574\u5408\u3092\u9ad8\u7cbe\u5ea6\u3067\u7279\u5b9a<\/li>\n\n\n\n<li>\u4fe1\u53f7\u306e\u5b8c\u5168\u6027\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u3001\u4f1d\u9001\u7dda\u8def\u306b\u6cbf\u3063\u305f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u6e2c\u5b9a<\/li>\n\n\n\n<li>\u8907\u96d1\u306a\u30a2\u30f3\u30c6\u30ca\u69cb\u9020\u5185\u306e\u53cd\u5c04\u3084\u4e0d\u6574\u5408\u3092\u8a3a\u65ad<\/li>\n\n\n\n<li>\u30d5\u30a3\u30eb\u30bf\u306e\u6319\u52d5\u3092\u8a55\u4fa1\u3057\u3001\u5185\u90e8\u306e\u4e0d\u9023\u7d9a\u70b9\u3092\u7279\u5b9a\u3002\u3053\u306e\u591a\u69d8\u6027\u306b\u3088\u308a\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f1\u53f0\u306e\u8a08\u6e2c\u5668\u3067\u8a73\u7d30\u306a\u8a3a\u65ad\u3092\u884c\u3048\u3001\u30c6\u30b9\u30c8\u52b9\u7387\u304c\u5411\u4e0a\u3057\u3001\u8907\u6570\u306e\u88c5\u7f6e\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u6e1b\u308b\u3002<br>This versatility allows engineers to perform in-depth diagnostics with one instrument, improving testing efficiency and reducing the need for multiple devices.<\/li>\n<\/ul>\n\n\n\n<p><strong>4. \u6642\u9593\u9818\u57df\u30b2\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001VNA\u306e\u6e2c\u5b9a\u7cbe\u5ea6\u3092\u3069\u306e\u3088\u3046\u306b\u5411\u4e0a\u3055\u305b\u307e\u3059\u304b\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u3048:<br>\u30bf\u30a4\u30e0\u30c9\u30e1\u30a4\u30f3\u30b2\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u95a2\u5fc3\u9818\u57df\u306e\u5468\u56f2\u306b\u30b2\u30fc\u30c8\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6642\u9593\u9818\u57df\u5185\u306e\u7279\u5b9a\u306e\u53cd\u5c04\u3092\u9078\u629e\u7684\u306b\u5206\u96e2\u307e\u305f\u306f\u9664\u5916\u3057\u307e\u3059\u3002\u3053\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6280\u8853\u306b\u3088\u308a\u3001\u591a\u91cd\u53cd\u5c04\u3084\u30ce\u30a4\u30ba\u3068\u3044\u3063\u305f\u4e0d\u8981\u306a\u4fe1\u53f7\u6210\u5206\u3092\u9664\u53bb\u3057\u3001\u7279\u5b9a\u306e\u30c7\u30d0\u30a4\u30b9\u90e8\u5206\u3092\u3088\u308a\u660e\u78ba\u306b\u89e3\u6790\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b2\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u8907\u96d1\u306a\u5185\u90e8\u69cb\u9020\u3084\u9577\u3044\u30b1\u30fc\u30d6\u30eb\u3092\u6301\u3064\u30c7\u30d0\u30a4\u30b9\u3092\u30c6\u30b9\u30c8\u3059\u308b\u969b\u306b\u7279\u306b\u6709\u52b9\u3067\u3001\u6e2c\u5b9a\u306e\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30b8\u3092\u5411\u4e0a\u3055\u305b\u3001\u7d50\u679c\u306e\u66d6\u6627\u3055\u3092\u6392\u9664\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>5. \u30d9\u30af\u30c8\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30ca\u30e9\u30a4\u30b6\u3067\u6700\u9069\u306a\u6642\u9593\u9818\u57df\u5206\u89e3\u80fd\u3092\u5f97\u308b\u305f\u3081\u306b\u306f\u3001\u3069\u306e\u5468\u6ce2\u6570\u7bc4\u56f2\u3068\u5e2f\u57df\u5e45\u3092\u9078\u629e\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/strong><\/p>\n\n\n\n<p>\u7b54\u3048:<br>\u6700\u9069\u306a\u6642\u9593\u9818\u57df\u5206\u89e3\u80fd\u306f\u3001VNA \u304c\u6383\u5f15\u3059\u308b\u5468\u6ce2\u6570\u5e2f\u57df\u5e45\u306b\u76f4\u63a5\u95a2\u4fc2\u3057\u307e\u3059\u3002\u3088\u308a\u5e83\u3044\u5468\u6ce2\u6570\u5e2f\u57df\u5e45\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u3088\u308a\u7d30\u304b\u3044\u5206\u89e3\u80fd\u304c\u5f97\u3089\u308c\u3001\u8fd1\u63a5\u3057\u305f\u4e0d\u9023\u7d9a\u70b9\u3092\u533a\u5225\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u6700\u5927 65 GHz \u307e\u3067\u306e\u5468\u6ce2\u6570\u5e2f\u57df\u5e45\u3092\u63d0\u4f9b\u3059\u308b\u6700\u65b0\u306e VNA \u3067\u306f\u3001\u8ddd\u96e2\u9818\u57df\u3067\u30df\u30ea\u30e1\u30fc\u30c8\u30eb\u5358\u4f4d\u306e\u5206\u89e3\u80fd\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u9006\u306b\u3001\u5e2f\u57df\u5e45\u304c\u72ed\u3044\u3068\u5206\u89e3\u80fd\u304c\u4f4e\u4e0b\u3057\u3001\u5c0f\u3055\u306a\u6b20\u9665\u3092\u691c\u51fa\u3059\u308b\u306e\u304c\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u53ef\u80fd\u306a\u9650\u308a\u5e83\u3044\u5468\u6ce2\u6570\u7bc4\u56f2\u3092\u9078\u629e\u3057\u3001\u5341\u5206\u306a\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u5bc6\u5ea6\u3092\u78ba\u4fdd\u3057\u3066\u3001\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u6642\u9593\u9818\u57df\u306e\u7cbe\u5ea6\u3092\u6700\u5927\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Vector Network Analyzer (VNA) is a cornerstone measurement technique in RF and microwave engineering, crucial for characterising the behaviour of electronic components and systems. While VNAs traditionally operate in the frequency domain, analysing signals based on their frequency responses, time domain analysis using VNAs has become indispensable for pinpointing faults and discontinuities within devices and cables. This article explores the principles, applications, and advantages of time domain vector network analysis, highlighting how it leverages mathematical transformations to deliver precise, location-specific insights. What is Vector Network Analyzer? Vector Network Analyzers measure complex S-parameters \u2014 magnitude and phase of signals \u2014 across a range of frequencies. These measurements enable engineers to understand [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[],"class_list":["post-2326","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-events"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vector Network Analysis in Time Domain | Fault Detection &amp; Testing<\/title>\n<meta name=\"description\" content=\"Discover how time domain vector network analysis locates faults with precision. 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