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\u82e5\u6ee4\u6ce2\u5668\u8f93\u5165\u4fa7\uff08\u566a\u58f0\u4fa7\uff09\u7684\u8d70\u7ebf\u4e0e\u6ee4\u6ce2\u4fa7\uff08\u8f93\u51fa\u4fa7\uff09\u7684\u8d70\u7ebf\u5e73\u884c\u6216\u7d27\u5bc6\u76f8\u90bb\uff0c\u9ad8\u9891\u566a\u58f0\u4f1a\u901a\u8fc7\u7535\u5bb9\u6027\u6216\u7535\u611f\u6027\u8026\u5408\u76f4\u63a5\u4ece\u4e00\u4fa7\u8026\u5408\u81f3\u53e6\u4e00\u4fa7\u2014\u2014\u5b8c\u5168\u7ed5\u8fc7\u6ee4\u6ce2\u5668\u3002\u63d0\u5347\u6ee4\u6ce2\u5668\u7684\u5143\u5668\u4ef6\u7ea7\u6027\u80fd\u5bf9\u6b64\u5e76\u65e0\u5e2e\u52a9\u3002\u552f\u4e00\u7684\u89e3\u51b3\u65b9\u6cd5\u662f\u5728PCB\u4e0a\u5bf9\u6ee4\u6ce2\u5668\u4e24\u4fa7\u8fdb\u884c\u7269\u7406\u9694\u79bb\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/strong><\/h3>\n

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\u6311\u62184 \u2014\u2014 \u566a\u58f0\u5728\u673a\u7bb1\u5185\u90e8\u91cd\u65b0\u8f90\u5c04<\/strong><\/h2>\n

\u7ecf\u8fc7\u6ee4\u6ce2\u7684\u5bfc\u7ebf\u5982\u4f55\u4e0e\u672a\u6ee4\u6ce2\u5bfc\u7ebf\u91cd\u65b0\u8026\u5408<\/strong><\/h3>\n

\u5b89\u88c5\u5728\u9762\u677f\u5165\u53e3\u5904\u7684\u6ee4\u6ce2\u5668\u53ef\u6291\u5236\u7a7f\u8fc7\u5bfc\u7ebf\u7684\u4f20\u5bfc\u566a\u58f0\u3002\u82e5\u8fd9\u4e9b\u7ecf\u8fc7\u6ee4\u6ce2\u7684\u5bfc\u7ebf\u5728\u673a\u7bb1\u5185\u90e8\u4e0e\u672a\u6ee4\u6ce2\u5bfc\u7ebf\u5e76\u884c\u8d70\u7ebf\uff0c\u8fd1\u573a\u8026\u5408\u4f1a\u5c06\u80fd\u91cf\u4ece\u672a\u6ee4\u6ce2\u5bfc\u7ebf\u91cd\u65b0\u8026\u5408\u56de\u5df2\u6ee4\u6ce2\u5bfc\u7ebf\u4e0a\u3002\u6b64\u65f6\u6ee4\u6ce2\u5668\u88ab\u7ed5\u8fc7\uff0c\u5e76\u975e\u7531\u4e8ePCB\u5e03\u5c40\u9519\u8bef\uff0c\u800c\u662f\u7531\u4e8e\u5c4f\u853d\u7bb1\u5185\u90e8\u7684\u7ebf\u7f06\u5e03\u7ebf\u65b9\u5f0f\u6240\u81f4\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/strong><\/h3>\n

\u5728\u5c4f\u853d\u673a\u7bb1\u5185\u90e8\uff0c\u5c06\u5df2\u6ee4\u6ce2\u7ebf\u7f06\u4e0e\u672a\u6ee4\u6ce2\u7ebf\u7f06\u5206\u5f00\u5e03\u7ebf\u3002\u5982\u6709\u53ef\u80fd\uff0c\u4f7f\u7528\u5c4f\u853d\u7ebf\u7f06\u6216\u8d70\u7ebf\u901a\u9053\u4ee5\u4fdd\u6301\u7269\u7406\u9694\u79bb\u3002\u5bf9\u4e8e\u5177\u6709\u591a\u4e2a\u7ebf\u7f06\u5165\u53e3\u70b9\u7684\u673a\u7bb1\uff0c\u786e\u4fdd\u5df2\u6ee4\u6ce2\u5165\u53e3\u4e0e\u672a\u6ee4\u6ce2\u5165\u53e3\u5728\u673a\u7bb1\u5185\u90e8\u4fdd\u6301\u9694\u79bb\u3002\u91c7\u7528\u6ee4\u6ce2\u8fde\u63a5\u5668\u7ec4\u4ef6\u2014\u2014\u5c06\u6ee4\u6ce2\u5668\u96c6\u6210\u4e8e\u8fde\u63a5\u5668\u672c\u4f53\u4e2d\u2014\u2014\u53ef\u6700\u5927\u9650\u5ea6\u5730\u7f29\u77ed\u66b4\u9732\u4e8e\u91cd\u65b0\u8026\u5408\u98ce\u9669\u4e2d\u7684\u5df2\u6ee4\u6ce2\u5bfc\u4f53\u957f\u5ea6\u3002<\/p>\n

\u6311\u62185 \u2014\u2014 \u9ad8\u901f\u4fe1\u53f7\u7ebf\u4e0a\u7684\u4fe1\u53f7\u5b8c\u6574\u6027\u6743\u8861<\/strong><\/h2>\n

EMI\u6ee4\u6ce2\u7535\u5bb9\u53ef\u6709\u6548\u6291\u5236\u7535\u6e90\u7ebf\u4e0a\u7684\u566a\u58f0\uff0c\u4f46\u5728\u9ad8\u901f\u6570\u636e\u7ebf\u4e0a\u5374\u53ef\u80fd\u635f\u5bb3\u4fe1\u53f7\u5b8c\u6574\u6027\u3002\u5e76\u8054\u7535\u5bb9\u4f1a\u589e\u52a0\u8d1f\u8f7d\u7535\u5bb9\uff0c\u4ece\u800c\u51cf\u7f13\u4fe1\u53f7\u8fb9\u6cbf\u3001\u964d\u4f4e\u5e26\u5bbd\uff0c\u5e76\u5728\u4fe1\u53f7\u901a\u5e26\u5185\u5f15\u5165\u63d2\u5165\u635f\u8017\u3002\u5728\u5dee\u5206\u4fe1\u53f7\u5bf9\u4e2d\uff0c\u82e5\u7535\u5bb9\u91cf\u8fc7\u5927\uff0c\u4e3a\u5171\u6a21\u6291\u5236\u800c\u6bcf\u6761\u7ebf\u8def\u4e0a\u5404\u52a0\u4e00\u4e2a\u5e76\u8054\u7535\u5bb9\uff0c\u4e5f\u4f1a\u540c\u65f6\u8870\u51cf\u5dee\u5206\u4fe1\u53f7\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/strong><\/h3>\n

\u5bf9\u4e8e\u9ad8\u901f\u6570\u5b57\u4fe1\u53f7\u7ebf\uff0c\u5e94\u9009\u62e9\u5728\u566a\u58f0\u9891\u7387\u4e0b\u63d0\u4f9b\u6240\u9700\u8870\u51cf\u7684\u6700\u5c0f\u5fc5\u8981\u7535\u5bb9\u91cf\u2014\u2014\u800c\u975e\u6700\u5927\u53ef\u7528\u7535\u5bb9\u91cf\u3002\u7535\u5bb9\u91cf\u8f83\u5c0f\uff08pF\u7ea7\uff09\u7684\u7a7f\u5fc3\u7535\u5bb9\u5668\u53ef\u5728\u9ad8\u9891\u566a\u58f0\u4e0b\u63d0\u4f9b\u8db3\u591f\u7684\u6291\u5236\uff0c\u800c\u4e0d\u4f1a\u5bf9\u4fe1\u53f7\u9020\u6210\u5b9e\u8d28\u6027\u8d1f\u8f7d\u5f71\u54cd\u3002\u5bf9\u4e8e\u5dee\u5206\u5bf9\uff0c\u5171\u6a21\u627c\u6d41\u5708\u53ef\u5728\u4e0d\u8870\u51cf\u5dee\u5206\u4fe1\u53f7\u7684\u524d\u63d0\u4e0b\u63d0\u4f9b\u5171\u6a21\u566a\u58f0\u6291\u5236\uff0c\u4f46\u9700\u786e\u4fdd\u5176\u9891\u7387\u8303\u56f4\u8986\u76d6\u6240\u5173\u6ce8\u7684\u566a\u58f0\u9891\u7387\u3002\u5728\u786e\u5b9a\u578b\u53f7\u524d\uff0c\u8bf7\u786e\u8ba4\u627c\u6d41\u5708\u7684\u5dee\u6a21\u63d2\u5165\u635f\u8017\u5728\u4fe1\u53f7\u7684\u5bb9\u8bb8\u8303\u56f4\u4e4b\u5185\u3002<\/p>\n

\u6311\u62186 \u2014\u2014 \u9ad8\u9891\u4e0b\u7684\u6d4b\u91cf\u4e0e\u9a8c\u8bc1<\/strong><\/h2>\n

\u4e3a\u4ec0\u4e48\u6807\u51c6\u626b\u63cf\u65e0\u6cd5\u53d1\u73b0\u9ad8\u9891\u95ee\u9898<\/strong><\/h3>\n

\u6839\u636eCISPR\u6807\u51c6\uff0c\u8bb8\u591a\u8bbe\u5907\u7c7b\u522b\u7684\u6b63\u5f0f\u4f20\u5bfc\u53d1\u5c04\u6d4b\u8bd5\u4ec5\u8986\u76d6\u81f330 MHz\u300230 MHz\u4ee5\u4e0a\u7684\u95ee\u9898\u2014\u2014\u8fd9\u4e9b\u95ee\u9898\u5f80\u5f80\u4ece\u4f20\u5bfc\u95ee\u9898\u8f6c\u53d8\u4e3a\u8f90\u5c04\u53d1\u5c04\u95ee\u9898\u2014\u2014\u53ef\u80fd\u76f4\u5230\u8f90\u5c04\u53d1\u5c04\u6d4b\u8bd5\u9636\u6bb5\u624d\u88ab\u53d1\u73b0\uff0c\u800c\u8f90\u5c04\u53d1\u5c04\u6d4b\u8bd5\u901a\u5e38\u5904\u4e8e\u5f00\u53d1\u5468\u671f\u7684\u540e\u671f\uff0c\u8bca\u65ad\u548c\u4fee\u590d\u7684\u6210\u672c\u4e5f\u66f4\u9ad8\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/strong><\/h3>\n

\u914d\u5907\u9002\u5f53\u53cc\u7aef\u53e3\u6d4b\u8bd5\u5939\u5177\u7684\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff08VNA\uff09\uff0c\u53ef\u5728\u8fdc\u4f4e\u4e8eCISPR\u4f20\u5bfc\u9891\u6bb5\u81f3\u6570\u767eMHz\u6216\u66f4\u9ad8\u9891\u7387\u8303\u56f4\u5185\u6d4b\u91cf\u5df2\u5b89\u88c5\u6ee4\u6ce2\u5668\u7684\u63d2\u5165\u635f\u8017\uff08\u5177\u4f53\u53d6\u51b3\u4e8e\u4eea\u5668\u91cf\u7a0b\uff09\u3002\u8fd9\u53ef\u76f4\u63a5\u9a8c\u8bc1\u6ee4\u6ce2\u5668\u7684\u8870\u51cf\u66f2\u7ebf\u5728\u5b9e\u9645\u7535\u8def\u4e2d\u662f\u5426\u5982\u9884\u671f\u8868\u73b0\uff0c\u6216\u5bc4\u751f\u6548\u5e94\u662f\u5426\u5bfc\u81f4\u63d2\u5165\u635f\u8017\u5728\u67d0\u4e00\u9891\u7387\u4ee5\u4e0a\u51fa\u73b0\u584c\u9677\u3002<\/p>\n

\u8fd1\u573a\u63a2\u5934\u914d\u5408\u9891\u8c31\u5206\u6790\u4eea\u53ef\u7528\u4e8e\u8bc6\u522bPCB\u4e0a\u7279\u5b9a\u7684\u8026\u5408\u8def\u5f84\uff0c\u6709\u52a9\u4e8e\u5b9a\u4f4d\u566a\u58f0\u7ed5\u8fc7\u6ee4\u6ce2\u5668\u7684\u4f4d\u7f6e\u2014\u2014\u8fd9\u79cd\u7ed5\u8fc7\u662f\u901a\u8fc7\u5e03\u5c40\u5f15\u8d77\u7684\u8026\u5408\u800c\u975e\u6ee4\u6ce2\u5668\u7684\u8870\u51cf\u6027\u80fd\u6240\u81f4\u3002<\/p>\n

\u5728\u6b63\u5f0f\u6d4b\u8bd5\u4e4b\u524d\u8fdb\u884c\u9884\u5408\u89c4\u8f90\u5c04\u53d1\u5c04\u626b\u63cf\uff0c\u53ef\u53d1\u73b030 MHz\u4ee5\u4e0a\u7684\u95ee\u9898\u3002\u8fd9\u4e9b\u95ee\u9898\u901a\u5e38\u6e90\u4e8e\u9ad8\u9891\u4f20\u5bfc\u566a\u58f0\u901a\u8fc7\u7ebf\u7f06\u6216\u677f\u7ea7\u7ed3\u6784\u91cd\u65b0\u8f90\u5c04\u3002<\/p>\n

\u7ed3\u8bba<\/strong><\/h2>\n

\u9ad8\u9891\u6ee4\u6ce2\u5931\u6548\u6e90\u4e8e\u53ef\u9884\u6d4b\u7684\u56e0\u7d20\uff1a\u5bc4\u751f\u7535\u611f\u3001\u963b\u6297\u5931\u914d\u53ca\u4e0d\u826f\u5e03\u5c40\u3002\u6210\u529f\u7684\u6ee4\u6ce2\u8bbe\u8ba1\u9700\u8981\u9a8c\u8bc1\u81ea\u8c10\u632f\u9891\u7387\uff08SRF\uff09\u3001\u91c7\u7528\u7a7f\u5fc3\u7535\u5bb9\u5668\u3001\u6700\u5c0f\u5316\u63a5\u5730\u7535\u611f\uff0c\u4ee5\u53ca\u9694\u79bb\u8f93\u5165\u4e0e\u8f93\u51fa\u3002<\/p>\n

\u6839\u636eLCA\u7684\u7ecf\u9a8c\uff0c\u9075\u5faa\u4e0a\u8ff0\u5b9e\u8df5\u53ef\u786e\u4fdd\u5728\u9ad8\u9891\u4e0b\u5b9e\u73b0\u989d\u5b9a\u6027\u80fd\uff0c\u5e76\u7b80\u5316\u5408\u89c4\u6027\u6d4b\u8bd5\u6d41\u7a0b\u3002<\/p>\n

\u603b\u7ed3\u6838\u5bf9\u6e05\u5355<\/strong><\/h2>\n

\u5728\u5c06EMI\u6ee4\u6ce2\u5668\u5b89\u88c5\u5230\u9ad8\u9891\u7cfb\u7edf\u4e4b\u524d\u548c\u4e4b\u540e\uff0c\u8bf7\u786e\u8ba4\u4ee5\u4e0b\u4e8b\u9879\uff1a<\/p>\n

    \n
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  • \u6ee4\u6ce2\u5668\u533a\u57df\u4e0b\u65b9\u7684\u63a5\u5730\u5c42\u4fdd\u6301\u8fde\u7eed\u5b8c\u6574<\/li>\n
  • \u8f93\u5165\u4fa7\u4e0e\u8f93\u51fa\u4fa7\u8d70\u7ebf\u5728PCB\u4e0a\u7269\u7406\u9694\u79bb<\/li>\n
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  • \u63d2\u5165\u635f\u8017\u5df2\u901a\u8fc7\u5b9e\u9645\u7535\u8def\u6d4b\u91cf\u9a8c\u8bc1\uff0c\u800c\u975e\u4ec5\u4f9d\u8d56\u6570\u636e\u624b\u518c<\/li>\n
  • \u6d4b\u91cf\u65b9\u6cd5\u5df2\u8bb0\u5f55\uff08VNA S21\u3001\u4f20\u5bfc\u53d1\u5c04\u626b\u63cf\u3001\u8fd1\u573a\u63a2\u5934\uff09<\/li>\n
  • \u7cfb\u7edf\u7ea7EMC\u6d4b\u8bd5\u5df2\u89c4\u5212\u2014\u2014\u4ec5\u6539\u8fdb\u5143\u4ef6\u548c\u5e03\u5c40\u4e0d\u80fd\u66ff\u4ee3\u6700\u7ec8\u4ea7\u54c1\u914d\u7f6e\u4e2d\u7684\u5408\u89c4\u6027\u6d4b\u8bd5<\/li>\n<\/ul>\n

    \u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/strong><\/h2>\n

    \u95ee\uff1a\u4e3a\u4ec0\u4e48\u6211\u7684EMI\u6ee4\u6ce2\u5668\u5728\u4f4e\u9891\u4e0b\u5de5\u4f5c\u6b63\u5e38\uff0c\u4f46\u5728\u7ea6100 MHz\u4ee5\u4e0a\u5c31\u505c\u6b62\u8870\u51cf\u4e86\uff1f<\/b><\/strong><\/p>\n

    \u5f53\u8d85\u8fc7\u6ee4\u6ce2\u5668\u4e2d\u5e76\u8054\u7535\u5bb9\u5668\u7684SRF\u65f6\uff0c\u8fd9\u4e9b\u5143\u4ef6\u4f1a\u4ece\u5bb9\u6027\u8f6c\u53d8\u4e3a\u611f\u6027\u884c\u4e3a\u2014\u2014\u5176\u5e76\u8054\u963b\u6297\u968f\u9891\u7387\u5347\u9ad8\u800c\u4e0a\u5347\u800c\u975e\u4e0b\u964d\uff0c\u4ece\u800c\u964d\u4f4e\u8870\u51cf\u6548\u679c\u3002\u540c\u65f6\uff0c\u6ee4\u6ce2\u5668\u4e2d\u7684\u4e32\u8054\u7535\u611f\u4e5f\u53ef\u80fd\u88ab\u5176\u81ea\u8eab\u7684\u5bc4\u751f\u7535\u5bb9\u6240\u65c1\u8def\u3002\u89e3\u51b3\u65b9\u6848\u662f\u9a8c\u8bc1\u6240\u7528\u5177\u4f53\u5143\u4ef6\u7684SRF\u88d5\u91cf\uff0c\u5e76\u5728\u5e38\u89c4\u5143\u4ef6\u65e0\u6cd5\u7ef4\u6301\u8db3\u591fSRF\u88d5\u91cf\u7684\u60c5\u51b5\u4e0b\uff0c\u66ff\u6362\u4e3a\u7a7f\u5fc3\u7535\u5bb9\u5668\u6216\u4e09\u7aef\u7535\u5bb9\u5668\u3002<\/p>\n

    \u95ee\uff1a\u6211\u5c06\u6ee4\u6ce2\u7535\u5bb9\u5668\u66f4\u6362\u4e3a\u66f4\u5927\u5bb9\u91cf\u7684\u5143\u4ef6\u540e\uff0c\u9ad8\u9891\u6027\u80fd\u53cd\u800c\u53d8\u5dee\u4e86\u3002\u4e3a\u4ec0\u4e48\uff1f<\/b><\/strong><\/p>\n

    \u7535\u5bb9\u91cf\u8d8a\u5927\uff0c\u5143\u4ef6\u7684SRF\u8d8a\u4f4e\u3002\u82e5\u66f4\u6362\u540e\u7535\u5bb9\u5668\u7684SRF\u4f4e\u4e8e\u6240\u5173\u6ce8\u7684\u566a\u58f0\u9891\u7387\uff0c\u5219\u8be5\u5143\u4ef6\u5c06\u5de5\u4f5c\u4e8e\u611f\u6027\u533a\uff0c\u5176\u8870\u51cf\u6548\u679c\u53cd\u800c\u4e0d\u5982\u5bb9\u91cf\u8f83\u5c0f\u7684\u5143\u4ef6\u3002\u5728\u9ad8\u9891\u5e94\u7528\u4e2d\uff0c\u9009\u578b\u8fc7\u7a0b\u4e2dSRF\u7684\u4f18\u5148\u7ea7\u5e94\u9ad8\u4e8e\u7535\u5bb9\u91cf\u3002<\/p>\n

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    EMI\u6ee4\u6ce2\u5668\u7684\u6807\u51c6SPICE\u6a21\u578b\u901a\u5e38\u5ffd\u7565PCB\u5bc4\u751f\u7535\u611f\u2014\u2014\u8fc7\u5b54\u7535\u611f\u3001\u8d70\u7ebf\u7535\u611f\u53ca\u63a5\u5730\u5c42\u963b\u6297\u3002\u4eff\u771f\u6210\u529f\u4f46\u786c\u4ef6\u5931\u6548\u7684\u60c5\u51b5\uff0c\u51e0\u4e4e\u603b\u662f\u6d89\u53ca\u63a5\u5730\u56de\u6d41\u8def\u5f84\u7535\u611f\uff0c\u6216\u6e90\u4e8ePCB\u5e03\u5c40\u4e2d\u7684\u8f93\u5165\u5230\u8f93\u51fa\u8026\u5408\u3002\u6b64\u5916\uff0c\u5b9e\u9645\u7535\u8def\u4e2d\u7684\u963b\u6297\u4e5f\u53ef\u80fd\u4e0e50\u03a9\u4eff\u771f\u6a21\u578b\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u5728\u4fee\u6539\u5143\u4ef6\u503c\u4e4b\u524d\uff0c\u8bf7\u5148\u68c0\u67e5\u8fd9\u4e09\u9879\u3002<\/p>\n

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    \u9700\u8981\u5e2e\u52a9\u89e3\u51b3\u9ad8\u9891EMI\u6ee4\u6ce2\u96be\u9898\uff1f<\/strong><\/h2>\n

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    LCA\u5de5\u7a0b\u56e2\u961f\u53ef\u534f\u52a9\u60a8\u8bca\u65adSRF\u9650\u5236\u3001PCB\u5bc4\u751f\u6548\u5e94\u3001\u963b\u6297\u5931\u914d\u53ca\u8026\u5408\u95ee\u9898\uff0c\u8bc4\u4f30\u60a8\u7684\u7cfb\u7edf\u9700\u6c42\uff0c\u5e76\u4e3a\u60a8\u63a8\u8350\u9002\u7528\u4e8eMHz\u7ea7\u7cfb\u7edf\u7684\u7a7f\u5fc3\u7535\u5bb9\u5668\u6216EMI\u6ee4\u6ce2\u5668\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

    \u6b22\u8fce\u8054\u7cfbLCA\uff0c\u83b7\u53d6\u4e00\u5bf9\u4e00\u6280\u672f\u652f\u6301\u4e0e\u5b9a\u5236\u5316\u9ad8\u9891EMI\u6291\u5236\u5efa\u8bae\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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