{"id":9773,"date":"2022-09-13T20:36:53","date_gmt":"2022-09-13T12:36:53","guid":{"rendered":"http:\/\/www.szryc.com\/?p=9773"},"modified":"2022-09-13T20:36:53","modified_gmt":"2022-09-13T12:36:53","slug":"pcb%e5%b1%82%e6%95%b0%e5%8f%8a%e5%90%84%e5%b1%82%e7%9a%84%e5%88%86%e9%85%8d","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=9773","title":{"rendered":"PCB\u5c42\u6570\u53ca\u5404\u5c42\u7684\u5206\u914d"},"content":{"rendered":"<p>\u4e00\u3001<u>PCB\u5e03\u5c40<\/u><u>\u5e03\u7ebf<\/u>\u7684\u5efa\u8bae\u7684\u610f\u4e49<\/p>\n<p><u>PCB<\/u>\u5e03\u5c40\u5e03\u7ebf\u7684\u5efa\u8bae\u662f\u4e00\u4e2a\u9ad8\u9644\u52a0\u503c\u7684\u4efb\u52a1\uff0c\u5b83\u7684\u76ee\u7684\u5728\u4e8e\u5b8c\u6210\u9ad8<u>EMC<\/u>\u6027\u80fdPCB \u8bbe\u8ba1\uff0c\u540c\u65f6\u5c06\u7531\u4e8eEMC\u95ee\u9898\u800c\u4ea7\u751f\u7684PCB\u5e03\u5c40\u5e03\u7ebf\u6210\u672c\u6700\u5c0f\u5316\u3002PCB\u5e03\u5c40\u5e03\u7ebf\u7684\u5efa\u8bae \u7684\u6838\u5fc3\u5305\u62ec\u4ee5\u4e0b\u4e09\u65b9\u9762\uff1a<\/p>\n<p>l \u6307\u51fa\u5173\u952eEMC\u5668\u4ef6\u7684\u5728PCB\u4e2d\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff1b<\/p>\n<p>l \u6307\u5c80PCB\u4e2d\u54ea\u4e9b\u533a\u57df\u9700\u8981\u8fdb\u884c\u5b8c\u6574\u7684\u5730\u5e73\u9762\u8bbe\u8ba1\uff0c\u5e76\u5c06\u8be5\u5730\u5e73\u9762\u7684<u>\u963b\u6297<\/u>\u6700\u5c0f\u5316\uff1b<\/p>\n<p>l \u4e32\u6270\u9632\u6b62\u7684\u5904\u7406\u3002<\/p>\n<p>\u5b83\u7684\u5177\u4f53\u5185\u5bb9\u5305\u62ec\u4e24\u65b9\u9762\uff1a<\/p>\n<p>l \u4e66\u9762\u7684\u5efa\u8bae\u63cf\u8ff0\uff1b<\/p>\n<p>l PCB\u5e03\u5c40\u5e03\u7ebf\u5efa\u8bae\u793a\u610f\u56fe\u3002<\/p>\n<p>\u5b8c\u6210PCB\u5e03\u5c40\u5e03\u7ebf\u5efa\u8bae\u540e\uff0c\u5728\u7535\u5b50\u5de5\u7a0b\u5e08\u5c06\u539f\u7406\u56fe\u9001\u5230CAD\u5c0f\u7ec4\u8fdb\u884c\u5e03\u5c40\u5e03\u7ebf\u8bbe\u8ba1 \u524d\uff0cEMC\u4e13\u5bb6\u9700\u8981\u4e0eCAD\u7684\u4e13\u5bb6\u548c\u5de5\u7a0b\u5e08\u8fdb\u884c\u5145\u5206\u7684\u6c9f\u901a\uff0c\u5c06\u6240\u9700\u8868\u8fbe\u7684\u610f\u89c1\u5145\u5206\u4f20 \u8fbe\u7ed9CAD\u7684\u4e13\u5bb6\u548c\u5de5\u7a0b\u5e08\u3002<\/p>\n<p>\u4e8c\u3001PCB\u5c42\u6570\u53ca\u5404\u5c42\u7684\u5206\u914d<\/p>\n<p>\u4eceEMC\u65b9\u9762\u8003\u8651\uff0c\u9664\u975e<u>2\u5c42\u677f<\/u>\u4e5f\u80fd\u8bbe\u8ba1\u51fa\u8f83\u4e3a\u5b8c\u6574\u5730\u5e73\u9762\uff0c\u5426\u5219\u6700\u597d\u91c7\u7528\u5e26\u6709\u5730\u5c42 \u548c\u7535\u6e90\u5c42\u76844\u5c42\u4ee5\u4e0a\u7684PCB\u3002\u5b9e\u8df5\u8bc1\u660e\uff0c4\u5c42\u677f\u4e0e2\u5c42\u677f\u76f8\u6bd4\uff0c4\u5c42\u677f\u80fd\u53d6\u5f97\u9ad8\u4e8e2\u5c42\u677f 100%\u7684EMC\u6027\u80fd\u3002\u4f46\u8981\u6ce8\u610f\uff1a4\u5c42\u677f\u4ee5\u4e0a\uff0c\u5e76\u975e\u5c42\u6570\u8d8a\u591a\u8d8a\u597d\u30022\u5c42\u677f\u901a\u5e38\u5730\u5e73\u9762\u5f88\u96be \u8bbe\u8ba1\u5b8c\u6574\uff0c\u5982\u679c\u4f7f\u75282\u5c42\u677f\uff0c\u90a3\u4e48\u5de5\u7a0b\u5e08\u8981\u7279\u522b\u6ce8\u610f\u5730\u5e73\u9762\u7684\u8bbe\u8ba1\u3002<\/p>\n<p>PCB\u5c42\u6392\u5e03\u7684\u4e00\u822c\u539f\u5219\uff1a<\/p>\n<p>l\u00a0\u5143\u4ef6\u9762\u4e0b\u9762(\u7b2c2\u5c42)\u4e3a\u5730\u5e73\u9762\uff0c\u63d0\u4f9b\u5668\u4ef6\u5c4f\u853d\u5c42\u4ee5\u53ca\u4e3a\u9876\u5c42\u5e03\u7ebf\u63d0\u4f9b\u53c2\u8003\u5e73\u9762;<\/p>\n<p>l \u6240\u6709\u4fe1\u53f7\u5c42\u5c3d\u53ef\u80fd\u4e0e\u5730\u5e73\u9762\u76f8\u90bb\uff1b<\/p>\n<p>l \u5c3d\u91cf\u907f\u514d\u4e24\u4fe1\u53f7\u5c42\u76f4\u63a5\u76f8\u90bb\uff1b<\/p>\n<p>l \u4e3b<u>\u7535\u6e90<\/u>\u5c3d\u53ef\u80fd\u4e0e\u5176\u5bf9\u5e94\u5730\u76f8\u90bb\u3002<\/p>\n<p>4\u5c42PCB\u5c42\u7684\u5c42\u6392\u5e03\u65b9\u5f0f\u89c1\u8868<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u65b9\u6848<\/td>\n<td>\u7535\u6e90\u5c42\u6570<\/td>\n<td>\u5730\u5c42\u6570<\/td>\n<td>\u4fe1\u53f7\u5c42\u6570<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>3<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>S<\/td>\n<td>G<\/td>\n<td>P<\/td>\n<td>S<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>G<\/td>\n<td>S<\/td>\n<td>S<\/td>\n<td>P<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>S<\/td>\n<td>P<\/td>\n<td>G<\/td>\n<td>S<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u65b9\u68481\u4e3a4\u5c42PCB\u7684\u4e3b\u9009\u5c42\u8bbe\u7f6e\u65b9\u6848\uff0c\u5728\u5143\u4ef6\u9762\u4e0b\u6709\u4e00\u5730\u5e73\u9762\uff0c\u5173\u952e\u4fe1\u53f7\u4f18\u9009\u5e03TOP\u5c42\u3002\u81f3\u4e8e\u5c42\u539a\u8bbe\u7f6e\uff0c\u6709\u4ee5\u4e0b\u5efa\u8bae\uff1a<\/p>\n<p>\u2022\u6ee1\u8db3\u963b\u6297\u63a7\u5236\u3002<\/p>\n<p>\u2022\u82af\u677f(GND\u5230POWER)\u4e0d\u5b9c\u8fc7\u539a\uff0c\u4ee5\u964d\u4f4e\u7535\u6e90\u3001\u5730\u5e73\u9762\u7684\u5206\u5e03\u963b\u6297\uff1b\u4fdd\u8bc1\u7535\u6e90\u5e73\u9762\u7684\u53bb\u8026\u6548\u679c\u3002\u4e3a\u4e86\u8fbe\u5230\u4e00\u5b9a\u7684\u5c4f\u853d\u6548\u679c\uff0c\u6709\u4eba\u8bd5\u56fe\u628a\u7535\u6e90\u3001\u5730\u5e73\u9762\u653e\u5728TOP\u3001BOTTOM\u5c42\uff0c\u5373\u91c7<\/p>\n<p>\u7528\u65b9\u68482\u3002\u7528\u6b64\u65b9\u6848\u5f80\u5f80\u662f\u8bd5\u56fe\u8fbe\u5230\u60f3\u8981\u7684\u5c4f\u853d\u6548\u679c\uff0c\u4f46\u81f3\u5c11\u5b58\u5728\u4ee5\u4e0b\u7f3a\u9677\uff1a<\/p>\n<p>\u2022\u7535\u6e90\u3001\u5730\u76f8\u8ddd\u8fc7\u8fdc\uff0c\u7535\u6e90\u5e73\u9762\u963b\u6297\u8f83\u5927\u3002<\/p>\n<p>\u2022\u7531\u4e8e\u5143\u4ef6\u710a\u76d8\u7b49\u5f71\u54cd\uff0c\u7535\u6e90\u3001\u5730\u5e73\u9762\u6781\u4e0d\u5b8c\u6574\u3002<\/p>\n<p>\u2022\u7531\u4e8e\u53c2\u8003\u9762\u4e0d\u5b8c\u6574\uff0c\u4fe1\u53f7\u7279\u6027\u963b\u6297\u4e0d\u8fde\u7eed\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0c\u5bf9\u4e8ePCB\u4e2d\u5668\u4ef6\u8d8a\u6765\u8d8a\u5bc6\u7684\u60c5\u51b5\u4e0b\uff0c\u672c\u65b9\u6848\u7684\u7535\u6e90\u3001\u5730\u51e0\u4e4e\u65e0\u6cd5\u4f5c\u4e3a\u5b8c\u6574\u7684\u53c2\u8003\u5e73\u9762\uff0c\u9884\u671f\u7684\u5c4f\u853d\u6548\u679c\u5f88\u96be\u5b9e\u73b0\u3002\u65b9\u68482\u7684\u4f7f\u7528\u8303\u56f4\u6709\u9650\u3002\u4f46\u5728\u4e2a\u522b\u5355\u677f\u4e2d\uff0c\u65b9\u68482\u4e0d\u5931\u4e3a\u6700\u4f73\u5c42\u8bbe\u7f6e\u65b9\u6848\u3002<\/p>\n<p>\u65b9\u68483\u540c\u65b9\u68481\u7c7b\u4f3c\uff0c\u9002\u7528\u4e8e\u4e3b\u8981\u5668\u4ef6\u5728BOTTOM\u5e03\u5c40\u6216\u5173\u952e\u4fe1\u53f7\u5e95\u5c42\u5e03\u7ebf\u7684\u60c5\u51b5\uff1b\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u9650\u5236\u4f7f\u7528\u6b64\u65b9\u6848\u3002<\/p>\n<p>6\u5c42PCB\u5c42\u7684\u5c42\u6392\u5e03\u65b9\u5f0f\u89c1\u8868<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u65b9\u6848<\/td>\n<td>\u7535\u6e90<\/td>\n<td>\u5730<\/td>\n<td>\u4fe1\u53f7<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>3*<\/td>\n<td>4<\/td>\n<td>5<\/td>\n<td>6<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>1 1<\/td>\n<td>\u2014<br \/>\n1<\/td>\n<td>4<\/td>\n<td>S1<\/td>\n<td>G<\/td>\n<td>S2<\/td>\n<td>S3\u00a0&gt;<\/td>\n<td>P<\/td>\n<td>S4<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>4<\/td>\n<td>S1<\/td>\n<td>S2<\/td>\n<td>G<\/td>\n<td>P<\/td>\n<td>S3<\/td>\n<td>S4<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>3<\/td>\n<td>S1<\/td>\n<td>G1<\/td>\n<td>S2<\/td>\n<td>P<\/td>\n<td>G2<\/td>\n<td>S3<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>3<\/td>\n<td>S1<\/td>\n<td>G1<\/td>\n<td>S2<\/td>\n<td>G2<\/td>\n<td>P<\/td>\n<td>S3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5bf9\u4e8e6\u5c42\u677f\uff0c\u4f18\u5148\u8003\u8651\u65b9\u68483,\u4f18\u9009\u5e03\u7ebf\u5c42S2,\u5176\u6b21S3\u3001S1\u3002\u4e3b\u7535\u6e90\u53ca\u5176\u5bf9\u5e94\u7684\u5730\u5e03\u57284\u30015\u5c42\uff0c\u5c42\u539a\u8bbe\u7f6e\u65f6\uff0c\u589e\u5927S2\u301cP\u4e4b\u95f4\u7684\u95f4\u8ddd\uff0c\u7f29\u5c0fP\u301cG2\u4e4b\u95f4\u7684\u95f4\u8ddd\uff08\u76f8\u5e94\u7f29\u5c0fG1\u301cS2\u5c42\u4e4b\u95f4\u7684\u95f4\u8ddd\uff09\uff0c\u4ee5\u51cf\u5c0f\u7535\u6e90\u5e73\u9762\u7684\u963b\u6297\uff0c\u51cf\u5c11\u7535\u6e90\u5bf9S2\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u5728\u6210\u672c\u8981\u6c42\u8f83\u9ad8\u7684\u65f6\u5019\uff0c\u53ef\u91c7\u7528\u65b9\u68481,\u4f18\u9009\u5e03\u7ebf\u5c42SI\u3001S2,\u5176\u6b21S3\u3001S4,\u4e0e\u65b9\u68481 \u76f8\u6bd4\uff0c\u65b9\u68482\u4fdd\u8bc1\u4e86\u7535\u6e90\u3001\u5730\u5e73\u9762\u76f8\u90bb\uff0c\u51cf\u5c11\u7535\u6e90\u963b\u6297\uff0c\u4f46SI\u3001S2\u3001S3\u3001S4\u5168\u90e8\u88f8\u9732\u5728 \u5916\uff0c\u53ea\u6709S2\u624d\u6709\u8f83\u597d\u7684\u53c2\u8003\u5e73\u9762\u3002\u5bf9\u4e8e\u5c40\u90e8\u3001\u5c11\u91cf\u4fe1\u53f7\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u5408\uff0c\u65b9\u68484\u6bd4\u65b9\u68483\u66f4\u9002\u5408\uff0c\u5b83\u80fd\u63d0\u4f9b\u6781\u4f73\u7684\u5e03\u7ebf \u5c42S2\u3002<\/p>\n<p>8\u5c42PCB\u5c42\u7684\u5c42\u6392\u5e03\u65b9\u5f0f<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u65b9\u6848<\/td>\n<td>\u7535\u6e90<\/td>\n<td>\u5730<\/td>\n<td>\u4fe1\u53f7<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>3<\/td>\n<td>4\u00a0.<\/td>\n<td>5\u00a0j<\/td>\n<td>6<\/td>\n<td>7<\/td>\n<td>8<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>1<\/td>\n<td>2<\/td>\n<td>5<\/td>\n<td>S1<\/td>\n<td>G1\u00a0\u00ab<\/td>\n<td>S2<\/td>\n<td>'S3 \uff1b<\/td>\n<td>P<\/td>\n<td>S4<\/td>\n<td>G2<\/td>\n<td>S5<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>1<\/td>\n<td>,3<\/td>\n<td>4<\/td>\n<td>S1<\/td>\n<td>-\u00a0G1<\/td>\n<td>S2<\/td>\n<td>G2\u00a0-<\/td>\n<td>P\u00a0\u201d<\/td>\n<td>S3 .<\/td>\n<td>G3\u00a01<\/td>\n<td>'S4 -1<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>2<\/td>\n<td>2\u3001<\/td>\n<td>:4..<\/td>\n<td>S1 .<\/td>\n<td>\uff1bG1<\/td>\n<td>S2<\/td>\n<td>P1<\/td>\n<td>G2<\/td>\n<td>S3 .<\/td>\n<td>P2 R<\/td>\n<td>S4<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>2<\/td>\n<td>2<\/td>\n<td>4<\/td>\n<td>S1\u00a0:<\/td>\n<td>G1<\/td>\n<td>S2<\/td>\n<td>P1<\/td>\n<td>P2<\/td>\n<td>S3\u00a0,<\/td>\n<td>G3<\/td>\n<td>S4<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>2<\/td>\n<td>2<\/td>\n<td>4<\/td>\n<td>S1<\/td>\n<td>G1<\/td>\n<td>P1<\/td>\n<td>S2<\/td>\n<td>S3<\/td>\n<td>G2<\/td>\n<td>P2<\/td>\n<td>S4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5bf9\u4e8e\u5355\u7535\u6e90\u7684\u60c5\u51b5\u4e0b\uff0c\u65b9\u68482\u6bd4\u65b9\u68481\u51cf\u5c11\u4e86\u76f8\u90bb\u5e03\u7ebf\u5c42\uff0c\u589e\u52a0\u4e86\u4e3b\u7535\u6e90\u4e0e\u5bf9\u5e94\u5730\u76f8\u90bb\uff0c\u4fdd\u8bc1\u4e86\u6240\u6709\u4fe1\u53f7\u5c42\u4e0e\u5730\u5e73\u9762\u76f8\u90bb\uff0c\u4ee3\u4ef7\u662f\u727a\u7272\u4e00\u5e03\u7ebf\u5c42\uff1b\u5bf9\u4e8e\u53cc\u7535\u6e90\u7684\u60c5\u51b5\uff0c\u63a8\u8350\u91c7 \u7528\u65b9\u68483,\u65b9\u68483\u517c\u987e\u4e86\u65e0\u76f8\u90bb\u5e03\u7ebf\u5c42\u3001\u5c42\u538b\u7ed3\u6784\u5bf9\u79f0\u3001\u4e3b\u7535\u6e90\u4e0e\u5730\u76f8\u90bb\u7b49\u4f18\u70b9\uff0c\u4f46S4 \u5e94\u51cf\u5c11\u5173\u952e\u5e03\u7ebf\uff1b\u65b9\u68484\u65e0\u76f8\u90bb\u5e03\u7ebf\u5c42\u3001\u5c42\u538b\u7ed3\u6784\u5bf9\u79f0\uff0c\u4f46\u7535\u6e90\u5e73\u9762\u963b\u6297\u8f83\u9ad8\uff0c\u5e94\u9002\u5f53\u52a0 \u59273\u301c4\u30015\u301c6\u4e4b\u95f4\u5c42\u95f4\u8ddd\uff0c\u7f29\u5c0f2\u301c3\u30016\u301c7\u4e4b\u95f4\u5c42\u95f4\u8ddd\uff1b\u65b9\u68485\u4e0e\u65b9\u68484\u76f8\u6bd4\uff0c\u4fdd\u8bc1\u4e86 \u7535\u6e90\u3001\u5730\u5e73\u9762\u76f8\u90bb\uff0c\u4f46S2\u3001S3\u76f8\u90bb\uff0cS4\u4ee5P2\u4f5c\u53c2\u8003\u5e73\u9762\uff0c\u5bf9\u4e8e\u5e95\u5c42\u5173\u952e\u5e03\u7ebf\u8f83\u5c11\u4ee5\u53caS2\u3001S3\u4e4b\u95f4\u7684\u7ebf\u95f4\u4e32\u6270\u80fd\u63a7\u5236\u7684\u60c5\u51b5\u4e0b\u6b64\u65b9\u6848\u53ef\u4ee5\u8003\u8651\u3002<\/p>\n<p>\u4e09\u3001\u5730\u5e73\u9762\u548c\u7535\u6e90\u5e73\u9762\u5728PCB\u5c42\u4e2d\u7684\u4f4d\u7f6e<\/p>\n<p>\u5c42\u7684\u653e\u7f6e\u4ee5\u7535\u5feb\u901f\u77ac\u53d8\u8109\u51b2\u7fa4<u>\u6d4b\u8bd5<\/u>\u539f\u7406\u4e3a\u57fa\u7840\uff0c\u901a\u8fc7\u5bf9\u5171\u6a21\u7535\u6d41\u6d41\u5411\u7684\u5206\u6790\u6765\u786e\u5b9a\u3002<\/p>\n<p>\u5bf9\u4e8e\u6d6e\u5730\u8bbe\u5907\u6765\u8bf4\uff0c\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u628aGND\u5c42\u5f53\u6210\u662f\u5c4f\u853d\u5c42\uff0c\u7528\u6765\u6cc4\u653e\u5171\u6a21\u5e72\u6270\u7535 \u6d41\uff0cAGND\u5fc5\u987b\u653e\u7f6e\u5728\u6ca1\u6709\u88ab\u5171\u6a21\u5e72\u6270<u>\u8026\u5408<\/u>\u5230\u7684\u5c42\u548c\u4f4d\u7f6e\u3002\uff08\u6ce8\uff1a\u8fd9\u91cc\u63cf\u8ff0\u7684AGND\u901a \u5e38\u4e3a\u4ea7\u54c1\u4e2d\u7684\u6a21\u62df\u7535\u8def\uff0c\u5176\u7535\u5e73\u8f83\u4f4e\uff0c\u566a\u58f0\u5bb9\u9650\u8f83\u4f4e\uff0c\u8f83\u5bb9\u6613\u53d7\u5e72\u6270\u3002\uff09<\/p>\n<p>PCB\u7535\u6e90\u7684\u5c42\u6570\u7531\u5176\u7535\u6e90\u79cd\u7c7b\u6570\u91cf\u51b3\u5b9a\u3002\u5bf9\u4e8e\u5355\u4e00\u7535\u6e90\u4f9b\u7535\u7684PCB, \u4e00\u4e2a\u7535\u6e90\u5e73\u9762\u8db3\u591f \u4e86\uff1b\u5bf9\u4e8e\u591a\u79cd\u7535\u6e90\uff0c\u82e5\u4e92\u4e0d\u4ea4\u9519\uff0c\u53ef\u8003\u8651\u91c7\u53d6\u7535\u6e90\u5c42\u5206\u5272\uff08\u4fdd\u8bc1\u76f8\u90bb\u5c42\u7684\u5173\u952e\u4fe1\u53f7\u5e03\u7ebf\u4e0d\u8de8 \u5206\u5272\u533a\uff09\uff1b\u5bf9\u4e8e\u7535\u6e90\u4e92\u76f8\u4ea4\u9519\uff08\u5c24\u5176\u662f\u50cf8260\u7b49IC,\u591a\u79cd\u7535\u6e90\u4f9b\u7535\uff0c\u4e14\u4e92\u76f8\u4ea4\u9519\uff09\u7684\u5355\u677f, \u5219\u5fc5\u987b\u8003\u8651\u91c7\u75282\u4e2a\u62162\u4e2a\u4ee5\u4e0a\u7684\u7535\u6e90\u5e73\u9762\uff0c<\/p>\n<p>\u6bcf\u4e2a\u7535\u6e90\u5e73\u9762\u7684\u8bbe\u7f6e\u9700\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\uff1a<\/p>\n<p>l \u5355\u4e00\u7535\u6e90\u6216\u591a\u79cd\u4e92\u4e0d\u4ea4\u9519\u7684\u7535\u6e90\uff1b<\/p>\n<p>l \u76f8\u90bb\u5c42\u7684\u5173\u952e\u4fe1\u53f7\u4e0d\u8de8\u5206\u5272\u533a\u3002<\/p>\n<p>\u5730\u7684\u5c42\u6570\u9664\u6ee1\u8db3\u7535\u6e90\u5e73\u9762\u7684\u8981\u6c42\u5916\uff0c\u8fd8\u8981\u8003\u8651\uff1a<\/p>\n<p>l \u5143\u4ef6\u9762\u4e0b\u9762\uff08\u7b2c2\u5c42\u6216\u5012\u6570\u7b2c2\u5c42\uff09\u6709\u76f8\u5bf9\u5b8c\u6574\u7684\u5730\u5e73\u9762\uff1b<\/p>\n<p>l \u9ad8\u9891\u3001\u9ad8\u901f\u3001<u>\u65f6\u949f<\/u>\u7b49\u5173\u952e\u4fe1\u53f7\u6709\u4e00\u76f8\u90bb\u5730\u5e73\u9762\u3002<\/p>\n<p>l \u5173\u952e\u7535\u6e90\u6709\u4e00\u5bf9\u5e94\u5730\u5e73\u9762\u76f8\u90bb\u3002<\/p>\n<p>\u56db\u3001\u6307\u51fa\u654f\u611f\u5143\u5668\u4ef6\u5728PCB\u4e2d\u653e\u7f6e\u7684\u76f8\u5bf9\u4f4d\u7f6e<\/p>\n<p>\u654f\u611f\u5143\u5668\u4ef6\u4e00\u822c\u653e\u7f6e\u5728\u7535\u8def\u677f\u7684\u5f53\u4e2d\u4f4d\u7f6e\uff0c\u5e76\u4e14\u5728PCB\u4e2d\u6ca1\u6709\u8026\u5408\u7684\u5c42\u4e0a\uff0c\u4f8b\u5982\u56fe&amp;10\u00a0\u4e2d\uff0c\u4fe1\u53f7\u53ca\u5143\u4ef6\u97621\u4e3a\u6ca1\u6709\u8026\u5408\u7684\u9762\uff0c\u8fd9\u4e00\u5c42\u4e2d\u6ca1\u6709\u5171\u6a21<u>\u7535\u6d41<\/u>\u6d41\u8fc7\u3002\u4fe1\u53f7\u53ca\u5143\u4ef6\u97622\u4e3a\u5b58\u5728\u5171 \u6a21\u7535\u6d41\u8026\u5408\u7684\u5c42\uff0c\u8fd9\u4e00\u5c42\u4e2d\u5171\u6a21\u7535\u6d41\u4f1a\u6d41\u8fc7\uff0c\u81ea\u7136\u5668\u4ef6\u7f6e\u4e8e\u8be5\u5c42\u4e2d\uff0c\u5c06\u53d7\u66f4\u4e25\u91cd\u7684\u5e72\u6270\u3002<\/p>\n<p>\u4e94\u3001\u6ee4\u6ce2<u>\u7535\u5bb9<\/u>\u7b49<u>\u6ee4\u6ce2\u5668<\/u>\u4ef6\u5728PCB\u4e2d\u7684\u76f8\u5bf9\u653e\u7f6e<\/p>\n<p>\u6ee4\u6ce2\u7535\u5bb9\u901a\u5e38\u653e\u7f6e\u5728\u88ab\u6ee4\u6ce2\u5668\u4ef6\u7684\u76f8\u5e94\u7ba1\u817f\u9644\u8fd1\uff0c\u6216\u5728\u5171\u6a21\u7535\u6d41\u6cc4\u653e\u7684\u8def\u5f84\u4e2d\u3002\u6240\u6709\u00a0\u7684\u6ee4\u6ce2\u7535\u5bb9\u7684\u8fde\u63a5\u4e0d\u80fd\u7528\u957f\u7ebf\u7684\u65b9\u5f0f\uff0c\u800c\u8981\u4fdd\u8bc1\u4f4e\u963b\u6297\u7684\u8fde\u63a5\uff0c\u6bd4\u8f83\u597d\u7684\u505a\u6cd5\u662f\uff0c\u6ee4\u6ce2\u7535\u5bb9\u5f15\u7ebf\u957f\u5bbd\u6bd4\u5c0f\u4e8e3,\u81f3\u5c11\u8981\u505a\u5230\u5c0f\u4e8e5\u3002<\/p>\n<p>\u516d\u3001\u5730\u5e73\u9762\u7684\u8bbe\u8ba1<\/p>\n<p>\u5171\u6a21\u7535\u6d41\u6d41\u8fc7\u7684\u533a\u57df\u5fc5\u987b\u5177\u6709\u5b8c\u6574\u7684\u5730\u5e73\u9762\uff0c\u5b8c\u6574\u5730\u5e73\u9762\u610f\u5473\u7740\u4e00\u5757\u6ca1\u6709\u4efb\u4f55\u8fc7\u5b54\u3001\u00a0\u5f00\u69fd\u3001\u88c2\u7f1d\u4e14\u957f\u5bbd\u6bd4\u5c0f\u4e8e3\u7684PCB\u94dc\u7b94\u3002\u4ee5\u4e0b\u51e0\u4e2a\u5730\u65b9\u901a\u5e38\u9700\u8981\u4f7f\u7528\u5b8c\u6574\u5730\u5e73\u9762\uff1a<\/p>\n<p>\uff081\uff09\u5171\u6a21\u7535\u6d41\u7684\u6cc4\u653e\u8def\u5f84\u4e0a\uff1b<\/p>\n<p>\uff082\uff09\u6709\u5171\u6a21\u7535\u6d41\u6d41\u8fc7\u7684\u4e24\u4e2a\u5668\u4ef6\u7684\u5730\u7ba1\u817f\u4e4b\u95f4\uff1b\u00a0\u2476 \u7aef\u53e3\u4e0a\u7684\u6ee4\u6ce2\u5668\u7535\u5bb9\u3001\u82af\u7247\u53bb\u8026\u7535\u5bb9\u3001\u65c1\u8def\u7535\u5bb9\u4e0e\u5730\u4e4b\u95f4\u7684\u4e92\u8fde\u7ebf\u3002<\/p>\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u5b9e\u73b0PCB\u4e2d\u7684\u5b8c\u6574\u5730\u5e73\u9762\u8bbe\u8ba1\uff0c\u5efa\u8bae\u5728PCB\u5e03\u5c40\u786e\u5b9a\u540e\uff0c\u5148\u5c06\u6240\u9700\u8981\u7684<\/p>\n<p>\u5b8c\u6574\u5730\u5e73\u9762\u5e03\u7f6e\u597d\uff0c\u5e76\u5c06\u9700\u8981\u8fdb\u884c\u5b8c\u6574\u5730\u5e73\u9762\u8bbe\u8ba1\u7684\u533a\u57df\u8bbe\u5b9a\u4e3a\u4e0d\u80fd\u6709\u4efb\u4f55\u8fc7\u5b54\u3001\u5f00\u69fd\u3001\u00a0\u88c2\u7f1d\u7b49\u7684\u533a\u57df\uff0c\u7136\u540e\u8fdb\u884c\u5370\u5236\u7ebf\u5e03\u7ebf\u8bbe\u8ba1\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u5148\u628a\u5370\u5236\u7ebf\u5e03\u7f6e\u597d\u540e\uff0c\u53d1\u73b0\u67d0\u533a\u00a0\u57df\u7684\u5730\u5e73\u9762\u4e0d\u5b8c\u6574\uff0c\u800c\u518d\u8fdb\u884c\u4fee\u6539\u5e26\u6765\u7684\u65f6\u95f4\u6d6a\u8d39\uff08\u901a\u5e38\u8fd9\u4e2a\u65f6\u5019\u518d\u8fdb\u884c\u4fee\u6539\uff0c\u96be\u5ea6\u4e5f\u4f1a\u00a0\u589e\u52a0\uff09\u3002\uff08\u6ce8\uff1a\u5f53\u5171\u6a21\u7535\u6d41\u6d41\u8fc7GND\u65f6\uff0c\u5e76\u4e0d\u662f\u6574\u4e2aPCB\u7684GND\u5e73\u9762\u9700\u8981\u5b8c\u6574\u5730\u5e73\u9762\uff0c\u8fd9\u4e5f<\/p>\n<p>\u662f\u4e0d\u53ef\u884c\u7684\uff0c\u53ea\u662f\u5728\u4ee5\u4e0a3\u70b9\u63cf\u8ff0\u7684\u5730\u65b9\u9700\u8981\u5b8c\u6574\u5730\u5e73\u9762\u3002\uff09<\/p>\n<p>\u4e03\u3001\u6a21\u62df\u5730\u5730\u5e73\u9762\u7684\u8bbe\u8ba1<\/p>\n<p>\u8fd9\u91cc\u6240\u8ff0\u7684\u6a21\u62df\u5730AGND\u901a\u5e38\u662f\u4ea7\u54c1\u4e2d\u7535\u5e73\u8f83\u4f4e\u3001\u5bf9\u5e72\u6270\u6bd4\u8f83\u654f\u611f\u7684<u>\u7535\u8def<\/u>\u7684\u53c2\u8003\u5730\u3002\u8be5\u5e73\u9762\u5fc5\u987b\u8bbe\u8ba1\u5728\u65e2\u6ca1\u6709\u5171\u6a21\u8026\u5408\u3001\u4e5f\u6ca1\u6709\u5171\u6a21\u7535\u6d41\u6d41\u8fc7\u7684\u4f4d\u7f6e\u4e0a\u3002\u5982\u679c\u6ca1\u6709\u529e\u6cd5\u907f\u514d\u5171 \u6a21\u7535\u6d41\u6d41\u8fc7AGND,\u90a3\u4e48\u5171\u6a21\u7535\u6d41\u6d41\u8fc7\u7684\u8def\u5f84\u5fc5\u987b\u4e3a\u5b8c\u6574\u5730\u5e73\u9762\uff08\u5b8c\u6574\u5730\u5e73\u9762\u610f\u5473\u7740\u4e00 \u5757\u6ca1\u6709\u4efb\u4f55\u8fc7\u5b54\u3001\u5f00\u69fd\u3001\u88c2\u7f1d\u4e14\u957f\u5bbd\u6bd4\u5c0f\u4e8e3\u7684PCB\u94dc\u7b94\uff09\u3002<\/p>\n<p>\u516b\u3001\u7535\u6e90\u5e73\u9762\u7684\u8bbe\u8ba1<\/p>\n<p>\u7535\u6e90\u662f\u4ea7\u54c1\u7535\u8def\u7684\u4e3b\u7535\u6e90\uff0c\u8be5\u5e73\u9762\u901a\u5e38\u5728\u4fdd\u8bc1\u6ca1\u6709\u4e32\u6270\u53d1\u751f\u7684\u60c5\u51b5\u4e0b\u5c3d\u53ef\u80fd\u5927\u3002\u00a0\u5e76\u4e14VCC\u5e73\u9762\u5c3d\u91cf\u505a\u5230\u4e0eGND\u5730\u5e73\u9762\u90bb\u8fd1\uff0c\u4ee5\u589e\u52a0\u7535\u6e90\u5e73\u9762\u4e0e\u5730\u5e73\u9762\u4e4b\u95f4\u7684\u5c42\u95f4\u7535\u5bb9, \u8fd9\u5bf9\u9ad8\u9891\u53bb\u8026\u6709\u6548\u3002<\/p>\n<p>\u4e5d\u3001\u4e32\u6270\u9632\u6b62\u7684\u5904\u7406\u65b9\u5f0f<\/p>\n<p>\u201c\u810f\u201d\uff08\u7ea2\u8272\uff09\u7684<u>\u4fe1\u53f7\u7ebf<\/u>\u3001\u7279\u6b8a\u5904\u7406\u7684\u65f6\u949f\u4fe1\u53f7\u7ebf\u3001\u9ad8\u901f\u4fe1\u53f7\u7ebf\uff08\u7279\u6b8a\u989c \u8272\uff09\u4e0e\u201c\u5e72\u51c0\u201d\uff08\u7eff\u8272\uff09\u4fe1\u53f7\u7ebf\u4e4b\u95f4\u5fc5\u987b\u8003\u8651\u4e32\u6270\u95ee\u9898\uff0c\u5904\u7406\u4e32\u6270\u7684\u65b9\u5f0f\u4e00\u822c\u6709\uff1a<\/p>\n<p>l \u5bf9\u4fe1\u53f7\u7ebf\u8fdb\u884c\u5305\u5730\uff08\u56fe8-11\uff09\u5904\u7406\uff0c\u5728\u4e92\u4e3a\u4e32\u6270\u7684\u4fe1\u53f7\u7ebf\u4e4b\u95f4\u63d2\u5165\u5730\u7ebf\u3002<\/p>\n<p>l \u628a\u4fe1\u53f7\u7ebf\u5206\u5e03\u5728\u4e0d\u540c\u7684\u5c42\u4e2d\uff0c\u5176\u95f4\u6709GND\u5730\u5c42\u9694\u79bb\u3002\u540c\u4e00\u5c42\u4e2d\u5de6\u53f3\u5e03\u7f6e\u4e14\u6ca1\u6709 \u5305\u5730\u3001\u76f8\u90bb\u5c42\u7684\u4e0a\u4e0b\u5e73\u884c\u5e03\u7f6e\uff0c\u90fd\u8ba4\u4e3a\u5b58\u5728\u4e32\u6270\u3002<\/p>\n<p>l \u4fe1\u53f7\u7ebf\u4e0b\u65b9\u5fc5\u987b\u6709\u5730\u5e73\u9762\u3002<\/p>\n<p>\u5341\u3001\u7279\u6b8a\u4fe1\u53f7\u7ebf\uff08\u5982\u65f6\u949f\u4fe1\u53f7\u7ebf\u3001\u9ad8\u901f\u4fe1\u53f7\u7ebf\u3001\u654f\u611f\u4fe1\u53f7\u7ebf\u7b49\uff09\u7684\u5904\u7406\u65b9\u5f0f<\/p>\n<p>\u7ed9\u51fa\u8868\u5217\u51fa\u7684\u65f6\u949f\u4fe1\u53f7\u7ebf\u3001\u654f\u611f\u4fe1\u53f7\u7ebf\u3001\u9ad8\u901f\u4fe1\u53f7\u7ebf\u7b49\u7684\u5e03\u7ebf\u6ce8\u610f\u65b9\u6cd5\uff0c\u5305\u62ec\u963b\u6297\u5339\u914d\u3001\u4e32\u6270\u7b49\u3002\u59cb\u7aef\u963b\u6297\u5339\u914d\u7684<u>\u7535\u963b<\/u>\u548c\u9650\u6d41\u7535\u963b\u901a\u5e38\u653e\u7f6e\u5728\u4fe1\u53f7\u53d1\u51fa\u7aef\u3002\u5728\u00a0\u4e32\u6270\u5904\u7406\u4e0a\uff0c\u9664\u4e86\u8003\u8651\u8fd9\u4e9b\u4fe1\u53f7\u7ebf\u5728PCB\u4e2d\u7684\u5177\u4f53\u4f4d\u7f6e\u4e4b\u5916\uff0c\u901a\u5e38\u8fd8\u5e94\u91c6\u7528\u5c4f\u853d\u5730\u7ebf\u5305\u5730\u7684\u65b9\u5f0f\u5904\u7406\u3002<\/p>\n<p>\u5341\u4e00\u3001PCB\u4e2d\u7a7a\u7f6e\u533a\u57df\u7684\u5904\u7406<\/p>\n<p>\u6240\u6709\u7a7a\u7f6e\u533a\u57df\u90fd\u8981\u94fa\u94dc\u5904\u7406\uff0c\u5e76\u5c06\u5176\u901a\u8fc7\u9002\u91cf\u8fc7\u5b54\u4e0e\u76f8\u5e94\u533a\u57df\u7684\u5730\u5e73\u9762\u76f8\u8fde\u3002<\/p>\n<p>\u5341\u4e8c\u3001\u5176\u4ed6\u5efa\u8bae<\/p>\n<p>\u5217\u51fa\u5176\u4ed6\u5efa\u8bae\u3002<\/p>\n<p>PCB\u5e03\u5c40\u5e03\u7ebf\u793a\u610f\u56fe<\/p>\n<p>\u753b\u51faPCB\u5e03\u5c40\u5e03\u7ebf\u793a\u610f\u56fe\u662f\u4e3a\u4e86\u66f4\u76f4\u89c2\u5730\u8868\u8fbe\u4ee5\u4e0aPCB\u5e03\u5c40\u5e03\u7ebf\u7684\u5efa\u8bae\uff0c\u5e76\u628a\u4e00\u4e9b \u7528\u6587\u5b57\u5f88\u96be\u6e05\u695a\u8868\u8fbe\u7684\u5efa\u8bae\u7528\u793a\u610f\u56fe\u7684\u65b9\u5f0f\u8868\u793a\u51fa\u6765\u3002\u5b83\u6240\u5305\u542b\u7684\u5185\u5bb9\u662f\u4e3a\u4e86\u8ba9CAD\u4e13 \u5bb6\u548c\u5de5\u7a0b\u5e08\u66f4\u5bb9\u6613\u7406\u89e3\u3002\u4e00\u822c\u5728\u8be5PCB\u5e03\u5c40\u5e03\u7ebf\u793a\u610f\u56fe\u4e2d\uff0c\u5c06\u8868\u8fbe\u51fa\u5b8c\u6574\u5730\u5e73\u9762\uff08\u6ca1\u6709 \u8fc7\u5b54\u3001\u5f00\u69fd\u3001\u88c2\u7f1d\uff0c\u957f\u5bbd\u6bd4\u5c0f\u4e8e3\uff09\u5728PCB\u4e2d\u53ca\u4e0e\u5668\u4ef6\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c<u>I\/O<\/u>\u7aef\u53e3\u4e0a\u7684\u6ee4\u6ce2\u7535 \u5bb9\u3001\u5668\u4ef6\u7684\u53bb\u8026\u7535\u5bb9\u4e0e\u5668\u4ef6\u3001\u5b8c\u6574\u5730\u5e73\u9762\u7684\u76f8\u5bf9\u4f4d\u7f6e\uff0c\u53ca\u201c\u810f\u201d\u4fe1\u53f7\u7ebf\u3001\u201c\u5e72\u51c0\u201d\u4fe1\u53f7\u7ebf\u3002<\/p>\n<p><u>PCB\u8bbe\u8ba1<\/u>\u5ba1\u67e5\u4e0eEMC\u98ce\u9669\u8bc4\u4f30<\/p>\n<p>\u4e00\u3001PCB\u8bbe\u8ba1\u5ba1\u67e5\u7684\u610f\u4e49\u548c\u4efb\u52a1<\/p>\n<p>PCB\u5ba1\u67e5\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u68c0\u67e5PCB\u8bbe\u8ba1\u8005\u662f\u5426\u5c06EMC\u4e13\u5bb6\u7ed9\u51fa\u7684PCB\u5e03\u5c40\u5e03\u7ebf\u5efa\u8bae \u843d\u5b9e\u3002\u7eb5\u7136\u5c06\u5168\u90e8PCB\u5e03\u5c40\u5e03\u7ebf\u7684\u5efa\u8bae\u90fd\u843d\u5b9e\u4f1a\u6709\u5f88\u5927\u7684\u56f0\u96be\uff0c\u4f46\u662f\u901a\u8fc7\u5ba1\u67e5\uff0cEMC\u4e13 \u5bb6\u4e0eCAD\u7684\u4e13\u5bb6\u4e00\u8d77\u80fd\u627e\u5230\u4e00\u79cd\u6bd4\u8f83\u6298\u4e2d\u7684\u65b9\u6cd5\uff0c\u8fd9\u79cd\u6298\u4e2d\u7684\u65b9\u6cd5\uff0c\u4e0d\u4f46\u80fd\u4f7fEMC\u98ce \u9669\u964d\u4f4e\uff0c\u800c\u4e14\u8fd8\u80fd\u987a\u5229\u5b9e\u73b0PCB\u5e03\u5c40\u5e03\u7ebf\u3002\u5728PCB\u5ba1\u67e5\u7ed3\u679c\u4e2d\uff0cEMC\u4e13\u5bb6\u9700\u8981\u628a\u4e00\u4e9b \u672a\u843d\u5b9e\u7684\u6216\u5b9e\u9645\u5b9e\u73b0\u4e0e\u5efa\u8bae\u4e0d\u4e00\u81f4\u7684\u73b0\u8c61\u4e00\u4e00\u5217\u51fa\uff0c\u8fd9\u5c06\u6709\u52a9\u4e8e\u4ea7\u54c1\u5728EMC\u6d4b\u8bd5\u65f6\u5b9a\u4f4d \u5206\u6790\u3002\u5217\u51fa\u7684\u5185\u5bb9\u4e3b\u8981\u5305\u62ec\u5982\u4e0b3\u4e2a\u65b9\u9762\uff1a<\/p>\n<p>l\u00a0\u5171\u6a21\u7535\u6d41\u6d41\u8fc7\u8def\u5f84\u4e0a\u7684\u963b\u6297\uff0c\u5982\u5730\u5e73\u9762\u662f\u5426\u5b8c\u6574\uff0c\u662f\u5426\u6ca1\u6709\u4efb\u4f55\u8fc7\u5b54\u3001\u88c2\u7f1d<\/p>\n<p>l \u548c\u5f00\u69fd\u3002.'<\/p>\n<p>l \u201c\u810f\u201d\u4fe1\u53f7\u5370\u5236\u7ebf\u53ca\u4e00\u4e9b\u9700\u8981\u8fdb\u884c\u7279\u6b8a\u5904\u7406\u7684\u4fe1\u53f7\u5370\u5236\u7ebf\u4e0e\u5176\u4ed6\u4fe1\u53f7\u7ebf\u4e4b\u95f4\u662f\u5426 \u5b58\u5728\u4e32\u6270\u3002<\/p>\n<p>l \u53bb\u8026\u3001\u65c1\u8def\u7535\u5bb9\u548c\u6ee4\u6ce2\u7535\u5bb9\u4f4d\u7f6e\u662f\u5426\u5408\u7406\uff0c\u5f15\u7ebf\u963b\u6297\u662f\u5426\u8db3\u591f\u4f4e\u3002<\/p>\n<p>\u4e8c\u3001\u5730\u5e73\u9762\u5b8c\u6574\u6027\u53ca\u5176\u963b\u6297\u5ba1\u67e5<\/p>\n<p>\uff081\uff09\u5982\u679c\u5730\u5e73\u9762\u7684\u8bbe\u8ba1\u6ca1\u6709\u6309\u7167PCB\u5e03\u5c40\u5e03\u7ebf\u7684\u5efa\u8bae\u6267\u884c\uff0c\u90a3\u4e48\u6309\u8868\u6240\u793a\u7684\u683c\u5f0f \u6307\u51fa\u4e0d\u540c\u70b9\uff0c\u5e76\u8bf4\u660e\u98ce\u9669\u5728\u54ea\u91cc\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u5e8f\u00a0\u53f7<\/td>\n<td>\u539f\u5efa\u8bae\u63cf\u8ff0<\/td>\n<td>\u5b9e\u9645\u5904\u7406\u65b9\u5f0f<\/td>\n<td>\u98ce\u9669\u70b9\u63cf\u8ff0<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uff082\uff09\u5bf9\u6709\u53ef\u80fd\u51fa\u73b0\u98ce\u9669\u7684\u70b9\uff0c\u6309\u8868\u6240\u793a\u7684\u683c\u5f0f\u5217\u51fa\u53ef\u884c\u7684\u4fee\u6539\u5efa\u8bae\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u5e8f\u00a0\u53f7<\/td>\n<td>\u53ef\u884c\u7684\u4fee\u6539\u5efa\u8bae<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e09\u3001\u4e32\u6270\u5ba1\u67e5<\/p>\n<p>\uff081\uff09\u5982\u679c\u4e32\u6270\u9632\u6b62\u8bbe\u8ba1\u6ca1\u6709\u6309\u7167PCB\u5e03\u5c40\u5e03\u7ebf\u7684\u5efa\u8bae\u6267\u884c\uff0c\u90a3\u4e48\u6309\u8868\u6240\u793a\u7684\u683c \u5f0f\u6307\u51fa\u4e0d\u540c\u70b9\uff0c\u5e76\u8bf4\u660e\u98ce\u9669\u5728\u54ea\u91cc\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u5e8f\u00a0\u53f7<\/td>\n<td>\u539f\u5efa\u8bae\u63cf\u8ff0<\/td>\n<td>\u5b9e\u9645\u5904\u7406\u65b9\u5f0f<\/td>\n<td>\u98ce\u9669\u70b9\u63cf\u8ff0<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uff082\uff09\u5bf9\u6709\u53ef\u80fd\u51fa\u73b0\u98ce\u9669\u7684\u70b9\uff0c\u6309\u8868\u6240\u793a\u7684\u683c\u5f0f\u5217\u51fa\u53ef\u884c\u7684\u4fee\u6539\u5efa\u8bae\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u5e8f\u00a0\u53f7<\/td>\n<td>\u53ef\u884c\u7684\u4fee\u6539\u5efa\u8bae<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>.\u00a02<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u56db\u3001\u53bb\u8026\u3001\u65c1\u8def\u7535\u5bb9\u548c\u6ee4\u6ce2\u7535\u5bb9\u7684\u5ba1\u67e5<\/p>\n<p>\u662f\u5426\u5c06PCB\u5e03\u5c40\u5e03\u7ebf\u5efa\u8bae\u4e2d\u5173\u4e8e\u53bb\u8026\u4e00\u65c1\u8def\u4e00\u6ee4\u6ce2\u7535\u5bb9\u7684\u5efa\u8bae\u843d\u5b9e\uff1f\u82e5\u6709\u4e0d\u540c\u7684\u5730<\/p>\n<p>\u65b9\uff0c\u90a3\u4e48\uff1a<\/p>\n<p>\uff081\uff09\u5982\u679c\u53bb\u8026\u4e00\u65c1\u8def\u7535\u5bb9\u548c\u6ee4\u6ce2\u7535\u5bb9\u5728PCB\u4e2d\u8bbe\u8ba1\uff08\u4e3b\u8981\u662f\u53bb\u8026\u7535\u5bb9\u7684\u4f4d\u7f6e\u662f\u5426\u9760 \u8fd1\u88ab\u53bb\u8026\u5668\u4ef6\u7535\u6e90\u7ba1\u811a\uff0c\u5e76\u4fdd\u8bc1\u5f15\u7ebf\u963b\u6297\u8db3\u591f\u4f4e\uff0c\u5982\u5f15\u7ebf\u957f\u5bbd\u6bd4\u5c0f\u4e8e3\uff1b\u65c1\u8def\u7535\u5bb9\u4f4d\u7f6e\u662f<\/p>\n<p>\u5426\u5728\u5171\u6a21\u7535\u6d41\u6cc4\u653e\u7684\u6700\u4f73\u4f4d\u7f6e\u4e0a\uff0c\u5e76\u4fdd\u8bc1\u5f15\u7ebf\u963b\u6297\u8db3\u591f\u4f4e\uff0c\u5982\u5f15\u7ebf\u957f\u5bbd\u6bd4\u5c0f\u4e8e3\uff1b\u6ee4\u6ce2\u7535 \u5bb9\u662f\u5426\u653e\u7f6e\u5728I\/O\u7aef\u53e3\u4e0a\uff0c\u540c\u65f6\u5728\u5171\u6a21\u7535\u6d41\u6cc4\u653e\u7684\u6700\u4f73\u4f4d\u7f6e\u4e0a\uff0c\u5e76\u4fdd\u8bc1\u5f15\u7ebf\u963b\u6297\u8db3\u591f\u4f4e, \u5982\u5f15\u7ebf\u957f\u5bbd\u6bd4\u5c0f\u4e8e3\uff09\u6ca1\u6709\u6309\u7167PCB\u5e03\u5c40\u5e03\u7ebf\u7684\u5efa\u8bae\u6267\u884c\uff0c\u90a3\u4e48\u6309\u8868\u6240\u793a\u7684\u683c\u5f0f\u6307\u51fa\u4e0d\u540c\u70b9\uff0c\u5e76\u8bf4\u660e\u98ce\u9669\u5728\u54ea\u91cc\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u5e8f\u53f7<\/td>\n<td>\u7535\u5bb9\u4ee3\u53f7<\/td>\n<td>\u539f\u5efa\u8bae\u63cf\u8ff0<\/td>\n<td>\u5b9e\u9645\u5904\u7406\u65b9\u5f0f<\/td>\n<td>\u98ce\u9669\u70b9\u63cf\u8ff0<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uff083\uff09\u5bf9\u6709\u53ef\u80fd\u51fa\u73b0\u98ce\u9669\u7684\u70b9\uff0c\u6309\u8868\u6240\u793a\u7684\u683c\u5f0f\u5217\u51fa\u53ef\u884c\u7684\u4fee\u6539\u5efa\u8bae\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u5e8f\u53f7<\/td>\n<td>\u7535\u5bb9\u4ee3\u53f7<\/td>\n<td>\u53ef\u884c\u7684\u4fee\u6539\u5efa\u8bae<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e94\u3001PCB\u5e03\u5c40\u5e03\u7ebf\u6587\u4ef6<\/p>\n<p>\u4e3a\u4e86\u4fdd\u6301\u5b8c\u6574\u6027\uff0c\u5efa\u8bae\u628aPCB\u5e03\u7f6e\u56fe\u5206\u5c42\u5217\u51fa\uff0c\u56feX\u301c\u56feX\u662f\u6309\u56feY\u6240\u793a\u7684\u8bbe\u8ba1\u5efa\u8bae\u6240\u5b8c\u6210\u7684PCB\u5e03\u7f6e\u56fe\u7684\u5b9e\u4f8b\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9775\" title=\"22af9c38-3116-11ed-ba43-dac502259ad0\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2022\/09\/22af9c38-3116-11ed-ba43-dac502259ad0.png\" alt=\"22af9c38-3116-11ed-ba43-dac502259ad0\" width=\"586\" height=\"498\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2022\/09\/22af9c38-3116-11ed-ba43-dac502259ad0.png 586w, http:\/\/www.szryc.com\/wp-content\/uploads\/2022\/09\/22af9c38-3116-11ed-ba43-dac502259ad0-300x255.png 300w\" sizes=\"(max-width: 586px) 100vw, 586px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001PCB\u5e03\u5c40\u5e03\u7ebf\u7684\u5efa\u8bae\u7684\u610f\u4e49 PCB\u5e03\u5c40\u5e03\u7ebf\u7684\u5efa\u8bae\u662f\u4e00\u4e2a\u9ad8\u9644\u52a0\u503c\u7684\u4efb\u52a1\uff0c\u5b83\u7684\u76ee\u7684\u5728\u4e8e\u5b8c\u6210\u9ad8EMC\u6027\u80fdPCB  [&hellip;]<\/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\/9773"}],"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=9773"}],"version-history":[{"count":1,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/9773\/revisions"}],"predecessor-version":[{"id":9776,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/9773\/revisions\/9776"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9773"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}