{"id":2584,"date":"2019-06-04T08:34:46","date_gmt":"2019-06-04T08:34:46","guid":{"rendered":""},"modified":"2019-06-04T16:35:06","modified_gmt":"2019-06-04T08:35:06","slug":"%e6%a8%a1%e6%8b%9f%e5%bc%80%e5%85%b3%e7%9a%84%e5%85%b3%e9%94%ae%e6%8a%80%e6%9c%af%e7%89%b9%e6%80%a7%e5%92%8c%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2584","title":{"rendered":"\u6a21\u62df\u5f00\u5173\u7684\u5173\u952e\u6280\u672f\u7279\u6027\u548c\u5e94\u7528"},"content":{"rendered":"
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\n\t\t\t\u6a21\u62df\u5f00\u5173\u90fd\u662f\u53cc\u5411\u7684\u5417\uff1f<\/h2>\n

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\n\t\t\t <\/div>\n

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\n\t\t\t1. \u5bfc\u901a\u7535\u963b<\/u>\uff08Ron\uff09\u968f\u8f93\u5165\u4fe1\u53f7\uff08VIN\uff09\u53d8\u5316\u800c\u53d8\u5316<\/p>\n

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\n\t\t\t\"\u6a21\u62df\u5f00\u5173\u7684\u5173\u952e\u6280\u672f\u7279\u6027\u548c\u5e94\u7528\"<\/p>\n

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\n\t\t\t2. \u6a21\u62df\u5f00\u5173\u8f93\u5165\u6709\u4e25\u683c\u7684\u8f93\u5165\u4fe1\u53f7\u8303\u56f4<\/p>\n

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\n\t\t\t3. \u6ce8\u5165\u7535\u8377<\/p>\n

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\n\t\t\t4. \u5f00\u5173\u65ad\u5f00\u65f6\u4ecd\u4f1a\u6709\u611f\u5e94\u4fe1\u53f7\u6f0f\u51fa<\/p>\n

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\n\t\t\t5. \u4f20\u8f93\u7535\u6d41\u6bd4\u8f83\u5c0f<\/p>\n

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\n\t\t\t6. \u903b\u8f91\u63a7\u5236\u7aef\u9a71\u52a8\u7535\u6d41\u6781\u5c0f<\/p>\n

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\n\t\t\t1. \u4fe1\u53f7\u53ef\u53cc\u5411\u4f20\u8f93<\/p>\n

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\n\t\t\t2. \u5f00\u5173\u65ad\u5f00\u540e\u6f0f\u7535\u6d41\u6781\u5c0f<\/p>\n

\n\t\t\t\u6a21\u62df\u5f00\u5173\u5728\u65ad\u5f00\uff08OFF\uff09\u65f6\u4f1a\u5448\u73b0\u9ad8\u963b\u72b6\u6001\uff0c\u4e24\u4f20\u8f93\u7aef\u95f4\u7684\u6f0f\u7535\u6d41\u6781\u5c0f\uff0c\u4e00\u822c\u53ea\u6709\u7eb3\u5b89\u7ea7\u4ee5\u4e0b\uff0c\u5982SGM3001\u3001SGM3002\u548cSGM3005\u7cfb\u5217\u6a21\u62df\u5f00\u5173\uff0c\u5176\u65ad\u5f00\u540e\u7684\u6f0f\u7535\u6d41\u5747\u4e3a1nA\u3002\u8fd9\u4e48\u5fae\u5f31\u7684\u7535\u6d41\u5728\u5e94\u7528\u4e2d\u53ef\u5ffd\u7565\u4e0d\u8ba1\uff0c\u6a21\u62df\u5f00\u5173\u6b64\u65f6\u53ef\u88ab\u8ba4\u4e3a\u662f\u7406\u60f3\u65ad\u5f00\u7684\u3002<\/p>\n

\n\t\t\t\u603b\u4e4b\uff0c\u6a21\u62df\u5f00\u5173\u662f\u5177\u6709\u5f00\u5173\u529f\u80fd\u7684\u534a\u5bfc\u4f53\u5668\u4ef6\uff0c\u5728\u5e94\u7528\u8fc7\u7a0b\u4e2d\u65e2\u8981\u5145\u5206\u5229\u7528\u5b83\u7684\u5f00\u5173\u529f\u80fd\uff0c\u53c8\u8981\u8003\u8651\u5b83\u7684\u534a\u5bfc\u4f53\u7279\u6027\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u51fa\u73b0\u610f\u60f3\u4e0d\u5230\u7684\u9ebb\u70e6\u3002<\/p>\n

\n\t\t\t\u6a21\u62df\u5f00\u5173\u5e94\u7528\u5b9e\u4f8b\u5206\u6790<\/p>\n

\n\t\t\t\u56fe2\u662f\u4e00\u97f3\u54cd\u8bbe\u5907\u524d\u7aef\u653e\u5927\u53ca\u4fe1\u53f7\u9009\u901a\u90e8\u5206\u7535\u8def\uff0c\u5176\u4e2d\u9009\u7528\u4e86SGM324\uff08\u56db\u901a\u9053\u8fd0\u7b97\u653e\u5927\u5668<\/u>\uff09\u548cSGM3002\uff08\u53cc\u901a\u9053\u6a21\u62df\u5f00\u5173\uff09\u3002<\/p>\n

\n\t\t\t\"\u6a21\u62df\u5f00\u5173\u7684\u5173\u952e\u6280\u672f\u7279\u6027\u548c\u5e94\u7528\"<\/p>\n

\n\t\t\t\u56fe2\uff1a\u97f3\u54cd\u524d\u7aef\u653e\u5927\u53ca\u4fe1\u53f7\u9009\u901a\u7535\u8def<\/p>\n

\n\t\t\t\u8be5\u65b9\u6848\u8bbe\u8ba1\u672c\u610f\u662f\u5f53Input=0\u65f6\uff0cLine_outL\u548cLine_outR\u97f3\u9891\u4fe1\u53f7\u9009\u901a\uff1b\u5f53Input=1\u65f6\uff0cPhone_outL\u548cPhone_outR\u97f3\u9891\u4fe1\u53f7\u9009\u901a\u3002\u7136\u800c\u5f53\u5b9e\u9a8c\u673a\u505a\u51fa\u540e\uff0c\u8bbe\u8ba1\u8005\u53d1\u73b0\u5f53Input=1\u65f6\uff0cLine_outL\u548cLine_outR\u901a\u9053\u6709\u76f8\u5f53\u4e00\u90e8\u5206\u4fe1\u53f7\u5206\u522b\u6f0f\u5230D1\u548cD2\u7aef\u3002\u5e94\u7528\u7f51\u7edc\u5206\u6790\u4eeaHP\/Agilent 3589A\u6d4b\u8bd5<\/u>SGM3002\u7684\u5173\u65ad\u9694\u79bb\u5ea6\uff0c\u5f53\u8f93\u5165\u4fe1\u53f7\u4e3a10kHz\u65f6\uff0cSGM3002\u7684\u5173\u65ad\u9694\u79bb\u5ea6\u4ec5\u4e3a-120dB\uff0c\u56e0\u6b64\u82af\u7247\u5e94\u8be5\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n

\n\t\t\t\u4e8b\u5b9e\u4e0a\uff0c\u8be5\u7535\u8def\u5728\u6a21\u62df\u5f00\u5173\u5e94\u7528\u4e0a\u5b58\u5728\u4e0b\u9762\u4e24\u5904\u9519\u8bef\uff1a<\/p>\n

\n\t\t\t1. \u6a21\u62df\u5f00\u5173\u7684\u8f93\u5165\u4fe1\u53f7\u7f3a\u5c11\u4e00\u4e2a\u76f4\u6d41\u504f\u7f6e<\/p>\n

\n\t\t\t\u56fe2\u4e2d\u6a21\u62df\u5f00\u5173\u90e8\u5206\u7535\u8def\u53ef\u4ee5\u7b49\u6548\u6210\u56fe3\uff0c\u672c\u6587\u7b2c\u4e00\u90e8\u5206\u66fe\u7ecf\u63d0\u5230\u6a21\u62df\u5f00\u5173\u8f93\u5165\u4fe1\u53f7\u8f93\u5165\u4e0d\u80fd\u4e3a\u8d1f\u3002<\/p>\n

\n\t\t\t\"\u6a21\u62df\u5f00\u5173\u7684\u5173\u952e\u6280\u672f\u7279\u6027\u548c\u5e94\u7528\"<\/p>\n

\n\t\t\t\u56fe3\uff1a\u6a21\u62df\u5f00\u5173\u7b49\u6548\u7535\u8def<\/p>\n

\n\t\t\t\u901a\u5e38\u6765\u8bb2\uff0cCMOS\u5de5\u827a\u7684\u6a21\u62df\u5f00\u5173\u8f93\u5165\u4fe1\u53f7\u6700\u5c0f\u53ea\u80fd\u5230-0.3V\uff0c\u5982\u679c\u518d\u4f4e\u4e8e\u8fd9\u4e2a\u503c\uff0c\u82af\u7247\u5c06\u4e0d\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u751a\u81f3\u4f1a\u635f\u574f\u3002\u56fe2\u4e2d\u6a21\u62df\u5f00\u5173\u8f93\u5165\u4fe1\u53f7\u6ca1\u6709\u76f4\u6d41\u504f\u7f6e\uff0c\u6240\u4ee5\u8f93\u5165\u4fe1\u53f7\u6709\u4e00\u90e8\u5206\u5904\u4e8e\u8d1f\u503c\u533a\uff0c\u6a21\u62df\u5f00\u5173\u81ea\u7136\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n

\n\t\t\t\u89e3\u51b3\u529e\u6cd5\uff1a\u5c06\u7535\u5bb9C2\u3001C3\u5747\u53bb\u6389\uff0c\u6a21\u62df\u5f00\u5173\u8f93\u5165\u4fe1\u53f7\u4fbf\u6709\u4e861\/2VDC\u7684\u76f4\u6d41\u504f\u7f6e\u4fe1\u53f7\uff0c\u6b64\u65f6\u6a21\u62df\u5f00\u5173\u4fbf\u53ef\u4ee5\u8f68\u5230\u8f68\u5de5\u4f5c\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u6a21\u62df\u5f00\u5173\u516c\u5171\u7aef\u540e\u9762\u52a0\u4e86\u7535\u5bb9\uff0c\u6240\u4ee5\u76f4\u6d41\u4fe1\u53f7\u4f9d\u7136\u53ef\u4ee5\u88ab\u6709\u6548\u5730\u9694\u79bb\u3002<\/p>\n

\n\t\t\t2. \u5728D1\u548cD2\u7aef\u7f3a\u5c11\u8026\u5408<\/u>\u7535\u963b<\/p>\n

\n\t\t\t\u5f53\u6a21\u62df\u5f00\u5173\u5728\u65ad\u5f00\u7684\u60c5\u51b5\u4e0b\uff0c\u5176\u8f93\u5165\u4e0e\u8f93\u51fa\u7aef\u7b49\u6548\u4e32\u8054\u4e86\u4e00\u4e2a\u7535\u5bb9C\uff0c\u5982\u679c\u518d\u5047\u8bbe\u5728\u6a21\u62df\u5f00\u5173\u8f93\u51fa\u7aef\u5230\u5730\u4e4b\u95f4\u6709\u4e00\u4e2a\u7b49\u6548\u7535\u963bR\uff0c\u5219\u6a21\u62df\u5f00\u5173\u5728\u65ad\u5f00\u65f6\u7684\u7b49\u6548\u7535\u8def\u5982\u56fe4\u6240\u793a\u3002<\/p>\n

\n\t\t\t\"\u6a21\u62df\u5f00\u5173\u7684\u5173\u952e\u6280\u672f\u7279\u6027\u548c\u5e94\u7528\"<\/p>\n

\n\t\t\t\u56fe4\uff1a\u6a21\u62df\u5f00\u5173\u65ad\u5f00\u65f6\u7684\u7b49\u6548\u7535\u8def<\/p>\n

\n\t\t\t\u6b64\u65f6\u7684\u6a21\u62df\u5f00\u5173\u5176\u5b9e\u7b49\u6548\u4e3a\u4e00\u4e2aRC\u6ee4\u6ce2\u7535\u8def\uff0c\u7531\u6b64\u4e0d\u96be\u5f97\u51fa\u4ee5\u4e0b\u516c\u5f0f\uff1a<\/p>\n

\n\t\t\t\"\u6a21\u62df\u5f00\u5173\u7684\u5173\u952e\u6280\u672f\u7279\u6027\u548c\u5e94\u7528\"<\/p>\n

\n\t\t\t\u5176\u4e2d\uff0cuout\u4e3a\u6a21\u62df\u5f00\u5173\u8f93\u51fa\u4fe1\u53f7\uff1buin\u4e3a\u6a21\u62df\u5f00\u5173\u8f93\u5165\u4fe1\u53f7\uff1bR\u4e3a\u6a21\u62df\u5f00\u5173\u8f93\u51fa\u7aef\u7535\u963b\u8d1f\u8f7d\uff1bC\u4e3a\u6a21\u62df\u5f00\u5173\u65ad\u5f00\u65f6\u7b49\u6548\u7535\u5bb9\uff1bf\u4e3a\u8f93\u5165\u4fe1\u53f7\u9891\u7387\u3002<\/p>\n

\n\t\t\t\u7531\u4e8e\u6a21\u62df\u5f00\u5173\u7b49\u6548\u7535\u5bb9C\u4f1a\u8bbe\u8ba1\u6210\u5f88\u5c0f\uff0c\u6240\u4ee5\u5f53\u8f93\u5165\u4fe1\u53f7f\u5904\u4e8e\u97f3\u9891\u533a\u65f6\uff0c\u589e\u76caA\u7531R\u548cf\u540c\u65f6\u51b3\u5b9a\u3002\u5f53R\u53d6\u503c\u8f83\u5c0f\u65f6\uff0cf\u8d77\u4e3b\u5bfc\u4f5c\u7528\uff0c\u6b64\u65f6A\u300a\u300a1\uff0c\u4fe1\u53f7\u88ab\u6709\u6548\u9694\u79bb\u3002\u5f53R\u53d6\u503c\u8f83\u5927\u65f6\uff0c\u6b64\u65f6R\u8d77\u4e3b\u5bfc\u4f5c\u7528\uff0c\u6b64\u65f6A—\u300b1\uff0c\u4fe1\u53f7\u51e0\u4e4e\u88ab\u5b8c\u5168\u6cc4\u6f0f\u8fc7\u6765\u3002\u6240\u4ee5\u5f53\u8f93\u51fa\u7aef\u60ac\u7a7a\u65f6\uff0c\u5176\u8f93\u51fa\u7aef\u4e0e\u5730\u4e4b\u95f4\u7535\u963bR—\u300b+∞\uff0c\u6b64\u65f6\u6a21\u62df\u5f00\u5173\u5b8c\u5168\u5bfc\u901a\u3002<\/p>\n

\n\t\t\t\u4fee\u6b63\u4ee5\u4e0a\u4e24\u4e2a\u9519\u8bef\u540e\uff0c\u8be5\u97f3\u9891\u5e94\u7528\u7535\u8def\u4fbf\u53ef\u4ee5\u6b63\u5e38\u5de5\u4f5c\u4e86\u3002\u7531\u4ee5\u4e0a\u5b9e\u4f8b\u53ef\u4ee5\u770b\u51fa\uff0c\u5145\u5206\u7406\u89e3\u6a21\u62df\u5f00\u5173\u7684\u57fa\u672c\u6982\u5ff5\u662f\u6b63\u786e\u5e94\u7528\u6a21\u62df\u5f00\u5173\u7684\u57fa\u7840\u3002<\/p>\n

\n\t\t\t <\/div>\n<\/p><\/div>\n<\/div>\n

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