{"id":6209,"date":"2021-11-06T16:04:32","date_gmt":"2021-11-06T08:04:32","guid":{"rendered":"http:\/\/www.szryc.com\/?p=6209"},"modified":"2021-11-06T16:04:32","modified_gmt":"2021-11-06T08:04:32","slug":"%e5%a6%82%e4%bd%95%e5%87%8f%e5%b0%91pcb%e8%ae%be%e8%ae%a1%e6%97%b6%e7%9a%84%e8%b0%90%e6%b3%a2%e5%a4%b1%e7%9c%9f","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=6209","title":{"rendered":"\u5982\u4f55\u51cf\u5c11PCB\u8bbe\u8ba1\u65f6\u7684\u8c10\u6ce2\u5931\u771f"},"content":{"rendered":"

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u8c10\u6ce2\u662f\u6307\u6b63\u5e38\u7535\u6d41\u6ce2\u5f62\u7684\u4e00\u79cd\u5931\u771f\uff0c\u4e00\u822c\u662f\u7531\u975e\u7ebf\u6027\u8d1f\u8f7d\u53d1\u5c04\u7684\u3002\u8c10\u6ce2\u5931\u771f\uff08HD\uff09\u6307\u7684\u662f\u76ee\u6807\u8c10\u6ce2\uff08\u4e8c\u9636\u3001\u4e09\u9636\uff09\u7b49\u7684\u5747\u65b9\u6839\uff08RMS\uff09\u503c\u4e0e\u4fe1\u53f7\u7535\u5e73\u5747\u65b9\u6839\u503c\u7684\u6bd4\u503c\u00a0[1]<\/sup>\u00a0\u00a0\u3002\u8c10\u6ce2\u5931\u771f\u662f\u7531\u4e8e\u7cfb\u7edf\u4e0d\u662f\u5b8c\u5168\u7ebf\u6027\u9020\u6210\u7684\u3002\u5728\u97f3\u9891\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u8868\u793a\u4e3a\u4e00\u4e2a\u767e\u5206\u6bd4\uff0c\u5728\u901a\u4fe1\u5e94\u7528\u4e2d\uff0c\u5219\u901a\u5e38\u8868\u793a\u4e3adB\u3002\u5176\u6d4b\u91cf\u65b9\u5f0f\u662f\uff0c\u5c06\u4e00\u4e2a\u9891\u8c31\u7eaf\u51c0\u7684\u6b63\u5f26\u6ce2\u5e94\u7528\u4e8e\u4e00\u4e2a\u653e\u5927\u5668\uff0c\u5e76\u7528\u4e00\u4e2a\u9891\u8c31\u5206\u6790\u4eea\u89c2\u5bdf\u653e\u5927\u5668\u7684\u8f93\u51fa\u3002\u3000\u8c10\u6ce2\u5931\u771f\uff1a\u5f53\u628a\u57fa\u9891\u4e3af\u7684\u6b63\u5f26\u4fe1\u53f7\u8f93\u5165\u626c\u58f0\u5668\u65f6,\u626c\u58f0\u5668\u8f93\u51fa\u9664f\u4ee5\u5916\uff0c\u7531\u626c\u58f0\u5668\u7684\u975e\u7ebf\u6027\u5931\u771f\u800c\u4ea7\u751f\u4e86\uff0c\u540cf\u6210\u6574\u6570\u500d\u7684\u5404\u6b21\u8c10\u6ce2\u6210\u5206\uff1a2f.3f\u2026\u2026nf\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a\u8c10\u6ce2\u5931\u771f\u3002\u8c10\u6ce2\u5931\u771f\u5206\u4e3a\u4e09\u7c7b,\u800c\u6211\u4eec\u5e38\u7528\u5230\u7684\u4e3aTHD(TOTALHARMONICDISTORTION)\u603b\u8c10\u6ce2\u5931\u771f\u548c\u51e0\u6b21\u8c10\u6ce2\u5931\u771f\uff08HARMONICDISTORTION\uff09\u53ca\u7279\u6027\u603b\u8c10\u6ce2\u5931\u771f(\u5728\u5b9e\u9645\u6d4b\u91cf\u4e2d\u8fd8\u4f1a\u7ec6\u5206\u4e3a\u5076\u6b21\u8c10\u6ce2\u5931\u771f\uff0c\u5947\u6b21\u8c10\u6ce2\u5931\u771f\u548cSUB-HARMONICS)\uff0c\u5b83\u4eec\u5206\u522b\u7684\u7279\u6027\u89c4\u5b9a\u4e3a\uff1a\u7531\u5931\u771f\u4ea7\u751f\u7684\u603b\u8c10\u6ce2\u58f0\u538b\u6709\u6548\u503c\u4e0e\u603b\u8f93\u51fa\u58f0\u538b\u6709\u6548\u503cPt\u4e4b\u6bd4\uff1b\u7531\u5931\u771f\u4ea7\u751f\u7684\u7b2c\u51e0\u6b21\u8c10\u6ce2\u58f0\u538b\u6709\u6548\u503c\u4e0e\u603b\u8f93\u51fa\u58f0\u538b\u6709\u6548\u503cPt\u4e4b\u6bd4\uff1b\u7531\u5931\u771f\u4ea7\u751f\u7684\u603b\u8c10\u6ce2\u58f0\u538b\u7684\u6709\u6548\u503c\u4e0e\u5e73\u5747\u7279\u6027\u58f0\u538bPm\u4e4b\u6bd4\u3002\u5728\u5931\u771f\u7684\u5206\u7c7b\u4e2d\u628a\u5b83\u5212\u5f52\u626c\u58f0\u5668\u7684\u975e\u7ebf\u6027\u5931\u771f\u3002<\/p>\n

\u5b9e\u9645\u4e0a\u5370\u5237\u7ebf\u8def\u677f<\/u>\uff08PCB<\/u>\uff09\u662f\u7531\u7535\u6c14\u7ebf\u6027\u6750\u6599\u6784\u6210\u7684\uff0c\u4e5f\u5373\u5176\u963b\u6297<\/u>\u5e94\u662f\u6052\u5b9a\u7684\u3002\u90a3\u4e48\uff0cPCB\u4e3a\u4ec0\u4e48\u4f1a\u5c06\u975e\u7ebf\u6027\u5f15\u5165\u4fe1\u53f7\u5185\u5462\uff1f\u7b54\u6848\u5728\u4e8e\uff1a\u76f8\u5bf9\u4e8e\u7535\u6d41<\/u>\u6d41\u8fc7\u7684\u5730\u65b9\u6765\u8bf4\uff0cPCB\u5e03\u5c40\u662f\u201c\u7a7a\u95f4\u975e\u7ebf\u6027\u201d\u7684\u3002<\/p>\n

\u653e\u5927\u5668<\/u>\u662f\u4ece\u8fd9\u4e2a\u7535\u6e90\u8fd8\u662f\u4ece\u53e6\u5916\u4e00\u4e2a\u7535\u6e90\u83b7\u53d6\u7535\u6d41\uff0c\u53d6\u51b3\u4e8e\u52a0\u8d1f\u8f7d\u4e0a\u7684\u4fe1\u53f7\u77ac\u95f4\u6781\u6027\u3002\u7535\u6d41\u4ece\u7535\u6e90\u6d41\u51fa\uff0c\u7ecf\u8fc7\u65c1\u8def\u7535\u5bb9<\/u>\uff0c\u901a\u8fc7\u653e\u5927\u5668\u8fdb\u5165\u8d1f\u8f7d\u3002\u7136\u540e\uff0c\u7535\u6d41\u4ece\u8d1f\u8f7d\u63a5\u5730\u7aef\uff08\u6216PCB\u8f93\u51fa\u8fde\u63a5\u5668<\/u>\u7684\u5c4f\u853d\uff09\u56de\u5230\u5730\u5e73\u9762\uff0c\u7ecf\u8fc7\u65c1\u8def\u7535\u5bb9\uff0c\u56de\u5230\u6700\u521d\u63d0\u4f9b\u8be5\u7535\u6d41\u7684\u7535\u6e90\u3002<\/p>\n

\u7535\u6d41\u6d41\u8fc7\u963b\u6297\u6700\u5c0f\u8def\u5f84\u7684\u6982\u5ff5\u662f\u4e0d\u6b63\u786e\u7684\u3002\u7535\u6d41\u5728\u5168\u90e8\u4e0d\u540c\u963b\u6297\u8def\u5f84\u7684\u591a\u5c11\u4e0e\u5176\u7535\u5bfc\u7387\u6210\u6bd4\u4f8b\u3002\u5728\u4e00\u4e2a\u5730\u5e73\u9762\uff0c\u5e38\u5e38\u6709\u4e0d\u6b62\u4e00\u4e2a\u5927\u6bd4\u4f8b\u5730\u7535\u6d41\u6d41\u7ecf\u7684\u4f4e\u963b\u6297\u8def\u5f84\uff1a\u4e00\u4e2a\u8def\u5f84\u76f4\u63a5\u8fde\u81f3\u65c1\u8def\u7535\u5bb9\uff1b\u53e6\u4e00\u4e2a\u5728\u8fbe\u5230\u65c1\u8def\u7535\u5bb9\u524d\uff0c\u5bf9\u8f93\u5165\u7535\u963b<\/u>\u5f62\u6210\u6fc0\u52b1\u3002\u56fe1\u793a\u610f\u4e86\u8fd9\u4e24\u4e2a\u8def\u5f84\u3002\u5730\u56de\u6d41\u7535\u6d41\u624d\u662f\u771f\u6b63\u5f15\u53d1\u95ee\u9898\u7684\u539f\u56e0\u3002<\/p>\n

\"pIYBAF6ETP-AVFMEAAE-nrjFxg8004\"<\/p>\n

\u5f53\u65c1\u8def\u7535\u5bb9\u653e\u5728PCB\u7684\u4e0d\u540c\u4f4d\u7f6e\u65f6\uff0c\u5730\u7535\u6d41\u901a\u8fc7\u4e0d\u540c\u8def\u5f84\u6d41\u81f3\u5404\u81ea\u7684\u65c1\u8def\u7535\u5bb9\uff0c\u5373\u201c\u7a7a\u95f4\u975e\u7ebf\u6027\u201d\u6240\u4ee3\u8868\u7684\u542b\u4e49\u3002\u82e5\u5730\u7535\u6d41\u67d0\u4e00\u6781\u6027\u7684\u5206\u91cf\u7684\u5f88\u5927\u90e8\u5206\u6d41\u8fc7\u8f93\u5165\u7535\u8def<\/u>\u7684\u5730\uff0c\u5219\u53ea\u6270\u52a8\u4fe1\u53f7\u7684\u8fd9\u4e00\u6781\u6027\u7684\u5206\u91cf\u7535\u538b\u3002\u800c\u82e5\u5730\u7535\u6d41\u7684\u53e6\u4e00\u6781\u6027\u5e76\u6ca1\u65bd\u6270\uff0c\u5219\u8f93\u5165\u4fe1\u53f7\u7535\u538b\u4ee5\u4e00\u79cd\u975e\u7ebf\u6027\u65b9\u5f0f\u53d1\u751f\u53d8\u5316\u3002\u5f53\u4e00\u4e2a\u6781\u6027\u5206\u91cf\u53d1\u751f\u6539\u53d8\u800c\u53e6\u4e00\u4e2a\u6781\u6027\u6ca1\u6539\u52a8\u65f6\uff0c\u5c31\u4f1a\u4ea7\u751f\u5931\u771f\uff0c\u5e76\u8868\u73b0\u4e3a\u8f93\u51fa\u4fe1\u53f7\u7684\u4e8c\u6b21\u8c10\u6ce2\u5931\u771f\u3002\u56fe2\u4ee5\u5938\u5f20\u7684\u5f62\u5f0f\u663e\u793a\u8fd9\u79cd\u5931\u771f\u6548\u679c\u3002<\/p>\n

\"pIYBAF6ETSmAb6YSAABPiWpjCMQ569\"<\/p>\n

\u5f53\u53ea\u6709\u6b63\u5f26\u6ce2\u7684\u4e00\u4e2a\u6781\u6027\u5206\u91cf\u53d7\u5230\u6270\u52a8\u65f6\uff0c\u4ea7\u751f\u7684\u6ce2\u5f62\u5c31\u4e0d\u518d\u662f\u6b63\u5f26\u6ce2\u3002\u7528\u4e00\u4e2a100 \u03a9\u8d1f\u8f7d\u6a21\u62df\u7406\u60f3\u653e\u5927\u5668\uff0c\u4f7f\u8d1f\u8f7d\u7535\u6d41\u901a\u8fc7\u4e00\u4e2a1 \u03a9\u7535\u963b\uff0c\u4ec5\u5728\u4fe1\u53f7\u7684\u4e00\u4e2a\u6781\u6027\u4e0a\u8026\u5408<\/u>\u8f93\u5165\u5730\u7535\u538b\uff0c\u5219\u5f97\u5230\u56fe3\u6240\u793a\u7684\u7ed3\u679c\u3002\u5085\u7acb\u53f6\u53d8\u6362\u663e\u793a\uff0c\u5931\u771f\u6ce2\u5f62\u51e0\u4e4e\u5168\u662f-68dBc\u5904\u7684\u4e8c\u6b21\u8c10\u6ce2\u3002\u5f53\u9891\u7387\u5f88\u9ad8\u65f6\uff0c\u5f88\u5bb9\u6613\u5728PCB\u4e0a\u751f\u6210\u8fd9\u79cd\u7a0b\u5ea6\u7684\u8026\u5408\uff0c\u5b83\u65e0\u9700\u501f\u52a9\u592a\u591aPCB\u7279\u6b8a\u7684\u975e\u7ebf\u6027\u6548\u5e94\uff0c\u5c31\u53ef\u6bc1\u6389\u653e\u5927\u5668\u4f18\u5f02\u7684\u9632\u5931\u771f\u7279\u6027\u3002\u5f53\u5355\u4e2a\u8fd0\u7b97\u653e\u5927\u5668<\/u>\u7684\u8f93\u51fa\u7531\u4e8e\u5730\u7535\u6d41\u8def\u5f84\u800c\u5931\u771f\u65f6\uff0c\u901a\u8fc7\u91cd\u65b0\u5b89\u6392\u65c1\u8def\u56de\u8def\u53ef\u8c03\u8282\u5730\u7535\u6d41\u6d41\u52a8\uff0c\u5e76\u4fdd\u6301\u4e0e\u8f93\u5165\u5668\u4ef6\u7684\u8ddd\u79bb\uff0c\u5982\u56fe4\u6240\u793a\u3002<\/p>\n

\"pIYBAF6ETSmAWQ7YAABbejiD10c566\"<\/p>\n

\u591a\u653e\u5927\u5668\u82af\u7247<\/p>\n

\u591a\u653e\u5927\u5668\u82af\u7247\uff08\u4e24\u4e2a\u3001\u4e09\u4e2a\u6216\u8005\u56db\u4e2a\u653e\u5927\u5668\uff09\u7684\u95ee\u9898\u66f4\u52a0\u590d\u6742\uff0c\u56e0\u4e3a\u5b83\u65e0\u6cd5\u4f7f\u65c1\u8def\u7535\u5bb9\u7684\u5730\u8fde\u63a5\u8fdc\u79bb\u5168\u90e8\u8f93\u5165\u7aef\u3002\u5bf9\u56db\u653e\u5927\u5668\u6765\u8bf4\u66f4\u662f\u5982\u6b64\u3002\u56db\u653e\u5927\u5668\u82af\u7247\u7684\u6bcf\u4e00\u8fb9\u90fd\u6709\u8f93\u5165\u7aef\uff0c\u6240\u4ee5\u6ca1\u6709\u7a7a\u95f4\u653e\u7f6e\u53ef\u51cf\u8f7b\u5bf9\u8f93\u5165\u901a\u9053\u6270\u52a8\u7684\u65c1\u8def\u7535\u8def\u3002<\/p>\n

\"pIYBAF6ETSqAWuAnAABipaayq7k748\"<\/p>\n

\u56fe5\u7ed9\u51fa\u4e86\u56db\u653e\u5927\u5668\u5e03\u5c40\u7684\u7b80\u5355\u65b9\u6cd5\u3002\u5927\u591a\u5668\u4ef6\u76f4\u63a5\u8fde\u81f3\u56db\u653e\u5927\u5668\u7ba1\u811a\u3002\u4e00\u4e2a\u7535\u6e90\u7684\u5730\u7535\u6d41\u53ef\u6270\u52a8\u53e6\u4e00\u4e2a\u901a\u9053\u7535\u6e90\u7684\u8f93\u5165\u5730\u7535\u538b\u548c\u5730\u7535\u6d41\uff0c\u4ece\u800c\u5bfc\u81f4\u5931\u771f\u3002\u4f8b\u5982\uff0c\u56db\u653e\u5927\u5668\u901a\u90531\u4e0a\u7684\uff08+Vs\uff09\u65c1\u8def\u7535\u5bb9\u53ef\u76f4\u63a5\u653e\u5728\u4e34\u8fd1\u5176\u8f93\u5165\u7684\u5730\u65b9\uff1b\u800c\uff08-Vs\uff09\u65c1\u8def\u7535\u5bb9\u53ef\u653e\u5728\u5c01\u88c5\u7684\u53e6\u4e00\u4fa7\u3002\uff08+Vs\uff09\u5730\u7535\u6d41\u53ef\u6270\u52a8\u901a\u90531\uff0c\u800c\uff08-Vs\uff09\u5730\u7535\u6d41\u5219\u53ef\u80fd\u4e0d\u4f1a\u3002<\/p>\n

\"pIYBAF6ETSqAGKQRAABdjjzaQ6s874\"<\/p>\n

\u4e3a\u907f\u514d\u8fd9\u79cd\u95ee\u9898\uff0c\u53ef\u8ba9\u5730\u7535\u6d41\u6270\u52a8\u8f93\u5165\uff0c\u4f46\u8ba9PCB\u7535\u6d41\u4ee5\u4e00\u79cd\u7a7a\u95f4\u7ebf\u6027\u65b9\u5f0f\u6d41\u52a8\u3002\u4e3a\u5b9e\u73b0\u6b64\u76ee\u7684\uff0c\u53ef\u4ee5\u91c7\u7528\u4e0b\u65b9\u5f0f\u5728PCB\u4e0a\u5e03\u5c40\u65c1\u8def\u7535\u5bb9\uff1a\u4f7f\uff08+Vs\uff09\u548c\uff08\u2013Vs\uff09 \u5730\u7535\u6d41\u6d41\u7ecf\u540c\u4e00\u8def\u5f84\u3002\u82e5\u6b63\/\u8d1f\u7535\u6d41\u5bf9\u8f93\u5165\u4fe1\u53f7\u7684\u6270\u52a8\u76f8\u7b49\uff0c\u5219\u5c06\u4e0d\u4f1a\u4ea7\u751f\u5931\u771f\u3002\u56e0\u6b64\uff0c\u4f7f\u4e24\u4e2a\u65c1\u8def\u7535\u5bb9\u7d27\u6328\u7740\u6392\u5217\uff0c\u4ee5\u4f7f\u5b83\u4eec\u5171\u4eab\u4e00\u4e2a\u63a5\u5730\u70b9\u3002\u56e0\u4e3a\u5730\u7535\u6d41\u7684\u4e24\u4e2a\u6781\u6027\u5206\u91cf\u6765\u81ea\u540c\u4e00\u4e2a\u70b9\uff08\u8f93\u51fa\u8fde\u63a5\u5668\u5c4f\u853d\u6216\u8d1f\u8f7d\u5730\uff09\uff0c\u5e76\u90fd\u56de\u6d41\u81f3\u540c\u4e00\u4e2a\u70b9\uff08\u65c1\u8def\u7535\u5bb9\u7684\u516c\u5171\u5730\u8fde\u63a5\uff09\uff0c\u6240\u4ee5\u6b63\/\u8d1f\u7535\u6d41\u90fd\u6d41\u7ecf\u540c\u4e00\u8def\u5f84\u3002\u82e5\u4e00\u4e2a\u901a\u9053\u7684\u8f93\u5165\u7535\u963b\u88ab\uff08+Vs\uff09\u7535\u6d41\u6270\u52a8\uff0c\u5219\uff08\u2013Vs\uff09\u7535\u6d41\u5bf9\u5176\u6709\u76f8\u540c\u5f71\u54cd\u3002\u56e0\u4e3a\u65e0\u8bba\u6781\u6027\u662f\u600e\u6837\u7684\uff0c\u4ea7\u751f\u7684\u6270\u52a8\u90fd\u76f8\u540c\uff0c\u6240\u4ee5\u4e0d\u4f1a\u4ea7\u751f\u5931\u771f\uff0c\u4f46\u5c06\u4f7f\u8be5\u901a\u9053\u589e\u76ca\u53d1\u751f\u5c0f\u7684\u53d8\u5316\uff0c\u5982\u56fe6\u6240\u793a\u3002<\/p>\n

\"pIYBAF6ETSuACgkHAAB3ojj9vvs557\"<\/p>\n

\u4e3a\u9a8c\u8bc1\u5982\u4e0a\u63a8\u65ad\uff0c\u91c7\u7528\u4e24\u4e2a\u4e0d\u540c\u7684PCB\u5e03\u5c40\uff1a\u7b80\u6613\u5e03\u5c40\uff08\u56fe5\uff09\u548c\u4f4e\u5931\u771f\u5e03\u5c40\uff08\u56fe6\uff09\u3002\u91c7\u7528\u98de\u5146\u534a\u5bfc\u4f53\u7684FHP3450\u56db\u8fd0\u7b97\u653e\u5927\u5668\u6240\u4ea7\u751f\u7684\u5931\u771f\u5982\u88681\u6240\u793a\uff0cFHP3450\u7684\u5178\u578b\u5e26\u5bbd\u662f210MHz\uff0c\u659c\u7387\u662f1100V\/us\uff0c\u8f93\u5165\u504f\u7f6e\u7535\u6d41\u662f100nA\uff0c\u6bcf\u901a\u9053\u7684\u5de5\u4f5c\u7535\u6d41\u662f3.6mA\u3002\u4ece\u88681\u53ef\u770b\u51fa\uff0c\u5931\u771f\u8d8a\u4e25\u91cd\u7684\u901a\u9053\uff0c\u6539\u8fdb\u7684\u6548\u679c\u8d8a\u597d\uff0c\u4ece\u800c\u4f7f4\u4e2a\u901a\u9053\u5728\u6027\u80fd\u4e0a\u63a5\u8fd1\u76f8\u7b49\u3002<\/p>\n

\"pIYBAF6ETSuASSSVAABlBfTNtPY007\"<\/p>\n

\u82e5\u5728PCB\u4e0a\u6ca1\u6709\u4e00\u4e2a\u7406\u60f3\u7684\u56db\u653e\u5927\u5668\uff0c\u5219\u6d4b\u91cf<\/u>\u5355\u4e00\u653e\u5927\u5668\u901a\u9053\u7684\u6548\u5e94\u4f1a\u5f88\u56f0\u96be\u3002\u663e\u7136\uff0c\u4e00\u4e2a\u7ed9\u5b9a\u7684\u653e\u5927\u5668\u901a\u9053\u4e0d\u4ec5\u6270\u52a8\u5176\u672c\u8eab\u8f93\u5165\uff0c\u8fd8\u4f1a\u6270\u52a8\u5176\u5b83\u901a\u9053\u7684\u8f93\u5165\u3002\u5730\u7535\u6d41\u6d41\u7ecf\u5168\u90e8\u4e0d\u540c\u7684\u901a\u9053\u8f93\u5165\uff0c\u4e14\u4ea7\u751f\u4e0d\u540c\u6548\u679c\uff0c\u4f46\u53c8\u90fd\u53d7\u6bcf\u4e2a\u8f93\u51fa\u7684\u5f71\u54cd\uff0c\u8fd9\u79cd\u5f71\u54cd\u662f\u53ef\u6d4b\u91cf\u7684\u3002<\/p>\n

\u88682\u7ed9\u51fa\u4e86\u5f53\u53ea\u9a71\u52a8\u4e00\u4e2a\u901a\u9053\u65f6\uff0c\u5728\u5176\u5b83\u672a\u53d7\u9a71\u52a8\u7684\u901a\u9053\u4e0a\u6d4b\u91cf\u5230\u7684\u8c10\u6ce2\u3002\u672a\u9a71\u52a8\u901a\u9053\u5728\u57fa\u672c\u9891\u7387\u4e0a\u663e\u793a\u51fa\u4e00\u4e2a\u5c0f\u4fe1\u53f7\uff08\u4e32\u6270\uff09\uff0c\u4f46\u5728\u6ca1\u6709\u4efb\u4f55\u663e\u8457\u57fa\u672c\u4fe1\u53f7\u7684\u60c5\u51b5\u4e0b\uff0c\u4e5f\u4ea7\u751f\u7531\u5730\u7535\u6d41\u76f4\u63a5\u5f15\u5165\u7684\u5931\u771f\u3002\u56fe6\u7684\u4f4e\u5931\u771f\u5e03\u5c40\u663e\u793a\uff1a\u56e0\u4e3a\u51e0\u4e4e\u6d88\u9664\u4e86\u5730\u7535\u6d41\u6548\u5e94\uff0c\u4e8c\u6b21\u8c10\u6ce2\u548c\u603b\u4f53\u8c10\u6ce2\u5931\u771f\uff08THD\uff09\u7279\u6027\u6709\u5f88\u5927\u6539\u8fdb\u3002<\/p>\n

\"pIYBAF6ETSyAFILlAAEg6Lx0jNw759\"<\/p>\n

\u672c\u6587\u5c0f\u7ed3<\/p>\n

\u7b80\u5355\u5730\u8bf4\uff0c\u5728PCB\u4e0a\uff0c\u5730\u56de\u6d41\u7535\u6d41\u6d41\u7ecf\u4e0d\u540c\u7684\u65c1\u8def\u7535\u5bb9\uff08\u7528\u4e8e\u4e0d\u540c\u7684\u7535\u6e90\uff09\u53ca\u7535\u6e90\u672c\u8eab\uff0c\u5176\u5927\u5c0f\u4e0e\u5176\u7535\u5bfc\u7387\u6210\u6bd4\u4f8b\u3002\u9ad8\u9891\u4fe1\u53f7\u7535\u6d41\u6d41\u56de\u5c0f\u65c1\u8def\u7535\u5bb9\u3002\u4f4e\u9891\u7535\u6d41\uff08\u5982\u97f3\u9891<\/u>\u4fe1\u53f7\u7684\u7535\u6d41\uff09\u53ef\u80fd\u4e3b\u8981\u6d41\u7ecf\u66f4\u5927\u7684\u65c1\u8def\u7535\u5bb9\u3002\u5373\u4f7f\u9891\u7387\u66f4\u4f4e\u7684\u7535\u6d41\u4e5f\u53ef\u80fd\u201c\u6f20\u89c6\u201d\u5168\u90e8\u65c1\u8def\u7535\u5bb9\u7684\u5b58\u5728\uff0c\u76f4\u63a5\u6d41\u56de\u7535\u6e90\u5f15\u7ebf\u3002\u5177\u4f53\u7684\u5e94\u7528\u5c06\u51b3\u5b9a\u54ea\u4e2a\u7535\u6d41\u8def\u5f84\u6700\u5173\u952e\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u901a\u8fc7\u91c7\u7528\u516c\u5171\u63a5\u5730\u70b9\u53ca\u8f93\u51fa\u4fa7\u7684\u5730\u65c1\u8def\u7535\u5bb9\uff0c\u53ef\u4ee5\u5bb9\u6613\u5730\u4fdd\u62a4\u5168\u90e8\u5730\u7535\u6d41\u8def\u5f84\u3002<\/p>\n

\u9ad8\u9891PCB\u5e03\u5c40\u7684\u91d1\u79d1\u7389\u5f8b\u662f\u5c06\u9ad8\u9891\u65c1\u8def\u7535\u5bb9\u5c3d\u53ef\u80fd\u9760\u8fd1\u5c01\u88c5\u7684\u7535\u6e90\u7ba1\u811a\uff0c\u4f46\u6bd4\u8f83\u56fe5\u548c\u56fe6\u53ef\u4ee5\u770b\u51fa\uff0c\u4e3a\u6539\u8fdb\u5931\u771f\u7279\u6027\u800c\u4fee\u6539\u8be5\u89c4\u5219\u4e0d\u4f1a\u5e26\u6765\u592a\u5927\u6539\u53d8\u3002\u6539\u8fdb\u5931\u771f\u7279\u6027\u662f\u4ee5\u589e\u52a0\u7ea60.15\u82f1\u5bf8\u957f\u7684\u9ad8\u9891\u65c1\u8def\u7535\u5bb9\u8d70\u7ebf\u4e3a\u4ee3\u4ef7\u7684\uff0c\u4f46\u8fd9\u5bf9FHP3450\u7684AC\u54cd\u5e94\u6027\u80fd\u5f71\u54cd\u5f88\u5c0f\u3002PCB\u5e03\u5c40\u5bf9\u5145\u5206\u53d1\u6325\u4e00\u6b3e\u9ad8\u8d28\u91cf\u653e\u5927\u5668\u7684\u6027\u80fd\u5f88\u91cd\u8981\uff0c\u8fd9\u91cc\u8ba8\u8bba\u7684\u95ee\u9898\u7edd\u975e\u4ec5\u9650\u4e8e\u9ad8\u9891\u653e\u5927\u5668\u3002\u7c7b\u4f3c\u97f3\u9891\u7b49\u9891\u7387\u66f4\u4f4e\u7684\u4fe1\u53f7\u5bf9\u5931\u771f\u7684\u8981\u6c42\u8981\u4e25\u683c\u5f97\u591a\u3002\u5730\u7535\u6d41\u6548\u5e94\u5728\u4f4e\u9891\u4e0b\u8981\u5c0f\u4e00\u4e9b\uff0c\u4f46\u82e5\u8981\u6c42\u76f8\u5e94\u6539\u8fdb\u6240\u9700\u7684\u5931\u771f\u6307\u6807\uff0c\u5730\u7535\u6d41\u4ecd\u53ef\u80fd\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u8c10\u6ce2\u662f\u6307\u6b63\u5e38\u7535\u6d41\u6ce2\u5f62\u7684\u4e00\u79cd\u5931\u771f\uff0c\u4e00\u822c\u662f\u7531\u975e\u7ebf\u6027\u8d1f\u8f7d\u53d1\u5c04\u7684\u3002\u8c10\u6ce2\u5931\u771f\uff08HD\uff09\u6307\u7684\u662f\u76ee […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/6209"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6209"}],"version-history":[{"count":1,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/6209\/revisions"}],"predecessor-version":[{"id":6219,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/6209\/revisions\/6219"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6209"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}