{"id":6427,"date":"2023-09-22T14:30:29","date_gmt":"2023-09-22T06:30:29","guid":{"rendered":"http:\/\/www.comtest.cn\/?post_type=product&#038;p=6427"},"modified":"2024-01-15T13:18:14","modified_gmt":"2024-01-15T05:18:14","slug":"gt-20__trashed","status":"publish","type":"product","link":"http:\/\/www.comtest.cn\/?product=gt-20__trashed","title":{"rendered":"GT-20 PCM\u8bdd\u8def\u7279\u6027\u5206\u6790\u4eea"},"content":{"rendered":"<h1>\u4ea7\u54c1\u7b80\u4ecb<\/h1>\n<p>GT-20 \u8bdd\u8def\u7279\u6027\u5206\u6790\u4eea\u662f\u4e00\u6b3e\u4fbf\u643a\u5f0f\u901a\u4fe1\u4eea\u8868\uff0c\u8be5\u4ea7\u54c1\u7528\u4e8e\u5bf9\u8bdd\u97f3\u901a\u8def\u7684\u5404\u9879\u6307\u6807\u7684\u6d4b\u8bd5\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8ePCM\u7aef\u673a\u3001\u6570\u5b57\u4ea4\u6362\u673a\u3001\u8f7d\u6ce2\u901a\u4fe1\u673a\u3001\u7528\u6237\u8c03\u5ea6\u673a\u53ca\u57fa\u4e8eVOIP\u6280\u672f\u8bbe\u5907\u7684\u6d4b\u8bd5\uff0c\u7279\u522b\u9002\u5408\u4e8e\u79d1\u7814\u3001\u751f\u4ea7\u3001\u5de5\u7a0b\u5b89\u88c5\u3001\u9a8c\u6536\u548c\u7ef4\u62a4\u3002<\/p>\n<h1>\u4e3b\u8981\u7279\u70b9<\/h1>\n<ul>\n<li>\u624b\u6301\u5f0f\u8bdd\u8def\u7279\u6027\u5206\u6790\u4eea\uff1b<\/li>\n<li>\u5168\u4e2d\u6587\u83dc\u5355\uff0c\u5927\u5c4f\u5e55\u663e\u793a\uff0c\u64cd\u4f5c\u7b80\u4fbf\uff1b<\/li>\n<li>\u53ef\u8fdb\u884c\u591a\u4efb\u52a1\u5de5\u4f5c\uff08\u53ef\u4ee5\u8fb9\u6d4b\u8bd5\u8fb9\u7ffb\u9605\u4ee5\u524d\u7684\u8bb0\u5f55\uff09\uff1b<\/li>\n<li>\u5185\u5efa\u6d4b\u8bd5\u6a21\u677f\uff0c\u56fe\u5f62\u663e\u793a\uff1b<\/li>\n<li>\u5185\u7f6e\u76f4\u6d41\u73af\u8def\u9988\u7535\u7535\u8def\u548c\u76f4\u6d41\u73af\u8def\u4fdd\u6301\u7535\u8def\uff1b<\/li>\n<li>\u7b26\u5408\u4eba\u4f53\u5de5\u7a0b\u5b66\u7684\u8bbe\u8ba1\uff0c\u667a\u80fd\u5bfc\u822a\u5f0f\u4e2d\u6587\u64cd\u4f5c\u754c\u9762\uff0c\u64cd\u4f5c\u7b80\u5355\u65b9\u4fbf\uff1b<\/li>\n<li>\u5927\u5c4f\u5e55\u6db2\u6676\u663e\u793a\uff0c320\u00d7240\u70b9\u9635\uff0cLED\u80cc\u5149\uff1b<\/li>\n<li>\u5e26\u9ad8\u901f\u5fae\u578b\u6253\u5370\u673a\u548c\u5916\u63a5\u6253\u5370\u673a\u63a5\u53e3\uff1b<\/li>\n<li>\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u53ef\u5728\u7ebf\u5347\u7ea7\u3002<\/li>\n<\/ul>\n<h1>\u57fa\u672c\u529f\u80fd<\/h1>\n<ul>\n<li>\u70b9\u7535\u5e73\u3001\u9891\u7387\u7279\u6027\u3001\u7535\u5e73\u7279\u6027\u3001\u91cf\u5316\u5931\u771f\u3001\u7a7a\u95f2\u566a\u58f0\u3001\u8def\u9645\u4e32\u8bdd\u3001\u56de\u6ce2\u8870\u8017\u3001\u5bf9\u5730\u5e73\u8861\u5ea6\u6d4b\u8bd5\uff1b<\/li>\n<li>\u7aef\u5bf9\u7aef\u6d4b\u8bd5\uff0c\u73af\u56de\u6d4b\u8bd5\uff1b<\/li>\n<li>\u5355\u8def\u621630\u8def\u81ea\u52a8\u6d4b\u8bd5,\u5e76\u4ee5\u62a5\u8868\u5f62\u5f0f\u6253\u5370<\/li>\n<li>\u5168\u81ea\u52a8\u6a21\u5f0f\u3001\u624b\u52a8\u6a21\u5f0f\uff0c\u5168\u81ea\u52a8\u6a21\u5f0f\u53ef\u9009\u62e9\u6d4b\u91cf\u6307\u6807\u4e2d\u7684\u4e00\u9879\u3001\u51e0\u9879\u6216\u5168\u90e8\uff0c\u6d4b\u8bd5\u6b65\u957f\u53ef\u7f16\u7a0b\uff1b<\/li>\n<li>\u53ef\u5b58\u50a8\u591a\u8fbe60\u7ec4\u6d4b\u91cf\u7ed3\u679c\uff1b\u6700\u9ad8\u8fbe9\u4e2a\u6d4b\u8bd5\u8bbe\u7f6e\u5b58\u50a8\uff1b\u5e76\u53ef\u8fdb\u884c\u6389\u7535\u8bb0\u5fc6\uff1b<\/li>\n<li>\u5185\u7f6e\u53d1\u751f\u5668\u548c\u63a5\u6536\u5668\uff0c\u8f93\u51fa\u53e3\u548c\u63a5\u6536\u53e3\u5206\u522b\u5e26\u6709\u76f4\u6d41\u73af\u8def\u9988\u7535\u7535\u8def\u548c\u76f4\u6d41\u73af\u8def\u4fdd\u6301\u7535\u8def\uff0c\u4e0d\u4ec5\u53ef\u6d4bE&amp;M\u4e8c\/\u56db\u7ebf\u63a5\u53e3\uff0c\u8fd8\u53ef\u6d4bLGE\u3001FXO\uff0cLGS\u3001FXS\u63a5\u53e3\uff1b<\/li>\n<li>\u6d4b\u8bd5\u7ed3\u679c\u56fe\u5f62\u663e\u793a\uff0c\u53ef\u4ee5\u548c\u5185\u5efa\u7684ITU-T\u6807\u51c6\u6a21\u677f\u6bd4\u8f83\uff0c\u5408\u683c\u4e0e\u5426\u4e00\u76ee\u4e86\u7136\uff1b<\/li>\n<li>\u5b58\u50a8\u6d4b\u91cf\u7ed3\u679c\u53ef\u4ee5\u4e0a\u4f20\u81f3PC\u673a\uff0c\u8fdb\u884c\u5206\u6790\u3001\u6574\u7406\u3001\u5f52\u6863\u3001\u6253\u5370\u8f93\u51fa<\/li>\n<\/ul>\n<h1>\u56fe\u4f8b<\/h1>\n<ul>\n<li>\u56db\u7ebf\u201c\u70b9\u7535\u5e73\/\u9891\u7387\u7279\u6027\/\u7535\u5e73\u7279\u6027\u201d\u7b49\u6307\u6807\u7684\u6d4b\u8bd5<\/li>\n<\/ul>\n<p><strong> <a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_01.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-6428\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_01.jpg\" alt=\"\" width=\"632\" height=\"500\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_01.jpg 632w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_01-300x237.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_01-379x300.jpg 379w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_01-600x475.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_01-64x51.jpg 64w\" sizes=\"(max-width: 632px) 100vw, 632px\" \/><\/a><\/strong><\/p>\n<ul>\n<li>\u56db\u7ebf\u201c\u8def\u9645\u4e32\u8bdd\u201d\u7684\u6d4b\u8bd5<\/li>\n<\/ul>\n<p><strong> <a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_02.jpg\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-6429\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_02.jpg\" alt=\"\" width=\"632\" height=\"592\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_02.jpg 632w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_02-300x281.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_02-320x300.jpg 320w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_02-600x562.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2023\/09\/GT-20_02-64x60.jpg 64w\" sizes=\"(max-width: 632px) 100vw, 632px\" \/><\/a><\/strong><\/p>\n<h1>\u6280\u672f\u6307\u6807<\/h1>\n<ul>\n<li><strong>\u53d1\u751f\u5668<\/strong>\n<ul>\n<li>\u4fe1\u53f7\u9891\u7387\uff1a100Hz\uff5e4000Hz\uff0c\u6b65\u957f10Hz<\/li>\n<li>\u8f93\u51fa\u7535\u5e73\uff1a+6\uff5e-61dBm0\uff0c\u6b65\u957f1dB<\/li>\n<li>\u76f8\u5bf9\u7535\u5e73\uff1a+1\uff5e-17dBr\uff0c\u6b65\u957f1dBr<\/li>\n<li>\u5931 \u771f\u00a0 \u5ea6\uff1a\u57281020Hz\/0dBm0\uff0c\u226550dB<\/li>\n<li>\u9891\u7387\u54cd\u5e94\uff1a\u00b10.1dB<\/li>\n<li>\u8f93\u51fa\u963b\u6297\u53ca\u56de\u6ce2\u635f\u8017\uff1a\u5728200\uff5e3600HZ\u5185\u8f93\u51fa\u963b\u6297\u4e3a600\u03a9\uff0c\u56de\u6ce2\u635f\u8017\u226536dB<\/li>\n<li>\u8f93\u51fa\u5e73\u8861\u5ea6\uff1a\u5728200\uff5e3600Hz\u5185\u5e73\u8861\u5ea6\u226560dB<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u63a5\u6536\u5668<\/strong>\n<ul>\n<li>\u7535 \u5e73<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u9891\u7387\u8303\u56f4\uff1a200Hz\uff5e3600Hz<br \/>\n\u7535\u5e73\u8303\u56f4\uff1a+13dB\uff5e-78dB\uff0c\u5176\u4e2d dBm0\u4e3a +6\uff5e -61dBm0, dBr\u4e3a+7\uff5e-17dBr<br \/>\n\u6d4b\u91cf\u8bef\u5dee\uff1a0dBm0\u70b9\u4e3a\u00b10.2dB\uff0c\u5176\u5b83\u5404\u70b9\u4e3a\u00b10.3dB<br \/>\n\u53c2\u8003\u4fe1\u53f7\uff1a1020Hz\/-10dBm0<\/p>\n<ul>\n<li>\u9891\u7387\u54cd\u5e94<\/li>\n<\/ul>\n<p>\u53c2\u8003\u4fe1\u53f7\uff1a1020Hz\/-10dBm0<br \/>\n\u9891\u7387\u8303\u56f4\uff1a200Hz\uff5e3600Hz<br \/>\n\u6d4b\u91cf\u8303\u56f4\uff1a-60dB\uff5e+60dB<br \/>\n\u6d4b\u91cf\u8bef\u5dee\uff1a\u00b10.2dB<\/p>\n<ul>\n<li>\u7535\u5e73\u7279\u6027<\/li>\n<\/ul>\n<p>\u53c2\u8003\u4fe1\u53f7\uff1a1020Hz\/-10dBm0<br \/>\n\u7535\u5e73\u8303\u56f4\uff1a+5dBm0\uff5e-60dBm0<br \/>\n\u6d4b\u91cf\u8303\u56f4\uff1a-60dB\uff5e+60dB<br \/>\n\u6d4b\u91cf\u8bef\u5dee\uff1a\u00b10.2dB<\/p>\n<ul>\n<li>\u7a7a\u95f2\u566a\u58f0<\/li>\n<\/ul>\n<p>\u8f85\u52a9\u4fe1\u53f7\uff1a \u5173\u95ed<br \/>\n\u6d4b\u91cf\u8303\u56f4\uff1a-90dBm0 p\uff5e+5dBm0 p\uff0cITU-T\u52a0\u6743<br \/>\n\u6d4b\u91cf\u8bef\u5dee\uff1a-90 ~ -75dBm0p\uff1a\u00b12.5dB\uff1b-75 ~ -70dBm0p\uff1a\u00b11.5dB\uff1b-70 ~\u00a0 +5dBm0p\u00b11dB<\/p>\n<ul>\n<li>\u8def\u9645\u4e32\u8bdd<\/li>\n<\/ul>\n<p>\u4e3b\u4e32\u4fe1\u53f7\uff1a 1020Hz\/0dBm0<br \/>\n\u6d4b\u91cf\u8303\u56f4\uff1a -90dBm0\uff5e+5dBm0<br \/>\n\u8bef\u5dee\u8303\u56f4\uff1a \u00b11 dB<\/p>\n<ul>\n<li>\u91cf\u5316\u5931\u771f<\/li>\n<\/ul>\n<p>\u53c2\u8003\u9891\u7387\uff1a820Hz\uff1b<br \/>\n\u7535\u5e73\u8303\u56f4\uff1a+5dBm0\uff5e-60dBm0<br \/>\n\u6d4b\u91cf\u8303\u56f4\uff1a0\uff5e60dB\uff0cITU-T\u52a0\u6743<br \/>\n\u6d4b\u91cf\u8bef\u5dee\uff1a\u00b10.8dB<\/p>\n<ul>\n<li>\u56de\u6ce2\u8870\u8017<\/li>\n<\/ul>\n<p>\u6d4b\u8bd5\u7528\u4fe1\u53f7\u9891\u7387\u8303\u56f4\uff1a200Hz~3600Hz\uff0c\u7535\u5e730dBm0<br \/>\n\u6d4b\u91cf\u8303\u56f4\uff1a0dB~62dB<br \/>\n\u6d4b\u91cf\u8bef\u5dee\uff1a\u00b11dB<\/p>\n<ul>\n<li>\u5bf9\u5730\u5e73\u8861\u5ea6<\/li>\n<\/ul>\n<p>\u6d4b\u91cf\u7528\u4fe1\u53f7\u9891\u7387\u8303\u56f4\uff1a200Hz~3600Hz\uff0c\u7535\u5e73\uff1a0dBm0<br \/>\n\u6d4b\u91cf\u8303\u56f4\uff1a0dB~82dB<br \/>\n\u6d4b\u91cf\u8bef\u5dee\uff1a\u00b11dB<\/p>\n<ul>\n<li>\u8f93\u5165\u963b\u6297\u53ca\u56de\u6ce2\u635f\u8017\uff1a\u5728200\uff5e3600HZ\u5185\u8f93\u5165\u963b\u6297\u4e3a600\u03a9\uff0c\u56de\u6ce2\u635f\u8017\u5927\u4e8e\u7b49\u4e8e36dB\uff1b<\/li>\n<li>\u8f93\u5165\u5e73\u8861\u5ea6\uff1a\u5728200\uff5e3600Hz\u5185\u5e73\u8861\u5ea6\u5927\u4e8e\u7b49\u4e8e60 dB\uff1b<\/li>\n<li>\u63a5\u53e3\u5e73\u8861\uff1a600\u03a9\uff0c200\u03a9+560\u03a9\/\/0.1UF ; 200\u03a9+680\u03a9\/\/0.1UF\uff1b<\/li>\n<li>\u76f8\u5bf9\u7535\u5e73\uff1a-17\uff5e+7dBr\uff0c\u6b65\u957f1dBr\uff1b<\/li>\n<li>\u76f4\u6d41\u73af\u8def\uff1aIGT\u52a8\u6001\u963b\u6297 &gt;100K\u03a9\uff0c\u73af\u8def\u7535\u6d41\u6700\u592760mA\uff0c\u73af\u8def\u538b\u964d\u7ea6\u4e3a-15V\uff1b OGT\u52a8\u6001\u963b\u6297&gt;100K\u03a9\uff0c\u9988\u7535\u7535\u6d41\u6052\u6d4122mA\u3002<\/li>\n<\/ul>\n<h1>\u5176\u5b83\u53c2\u6570\uff1a<\/h1>\n<ul>\n<li><strong>\u4f9b\u7535\uff1a<\/strong><\/li>\n<\/ul>\n<p>\uff081\uff09\u672c\u4eea\u8868\u4e13\u7528\u7535\u6e90\u9002\u914d\u5668\uff1aINPUT:AC220V 50Hz\uff1bOUTPUT:DC 9V 1.2A<br \/>\n\uff082\uff09\u4eea\u8868\u5185\u90e8\u5145\u7535\u7535\u6c60\uff1a 4000mAh 6V \u954d\u6c22\u53ef\u5145\u7535\u7535\u6c60\uff1b\u5de5\u4f5c\u65f6\u95f4\uff1a6\u5c0f\u65f6\uff1b\u5145\u7535\uff1a\u5173\u673a\u65f6\u5145\u75358\u5c0f\u65f6\uff1b\u5f00\u673a\u65f6\u5145\u753512\u5c0f\u65f6<\/p>\n<ul>\n<li><strong>\u6253\u5370\u673a<\/strong>\uff1a\u03bcP40-TS(CH)\u6807\u51c6\u7535\u5e73\u4e32\u53e3\u6c49\u5b57\u5fae\u578b\u6253\u5370\u673a\uff08<strong>\u9009\u914d<\/strong>\uff09<\/li>\n<li><strong>\u5c3a\u5bf8\u548c\u91cd\u91cf<\/strong>\uff1a<\/li>\n<\/ul>\n<p>\u957f\u00d7\u5bbd\u00d7\u9ad8\uff1a220\u00d7162\u00d748mm<br \/>\n\u91cd 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