{"id":3377,"date":"2026-03-01T18:55:25","date_gmt":"2026-03-01T10:55:25","guid":{"rendered":"https:\/\/www.xunjiestudy.cn\/?p=3377"},"modified":"2026-03-19T19:05:26","modified_gmt":"2026-03-19T11:05:26","slug":"%e4%bc%a0%e6%84%9f%e5%99%a8emc%e8%ae%be%e8%ae%a1%e5%ae%9e%e6%88%98%ef%bc%88%e4%bb%8e%e7%94%b5%e8%b7%af%e5%88%b0pcb%e5%b8%83%e5%b1%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.xunjiestudy.cn\/index.php\/2026\/03\/01\/%e4%bc%a0%e6%84%9f%e5%99%a8emc%e8%ae%be%e8%ae%a1%e5%ae%9e%e6%88%98%ef%bc%88%e4%bb%8e%e7%94%b5%e8%b7%af%e5%88%b0pcb%e5%b8%83%e5%b1%80%ef%bc%89\/","title":{"rendered":"\u4f20\u611f\u5668EMC\u8bbe\u8ba1\u5b9e\u6218\uff08\u4ece\u7535\u8def\u5230PCB\u5e03\u5c40\uff09"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728\u524d\u9762\u7684\u5185\u5bb9\u4e2d\uff0c\u6211\u4eec\u5206\u522b\u4ecb\u7ecd\u4e86EMC\u57fa\u7840\u3001ESD\u9632\u62a4\u4ee5\u53caEFT\/\u6d6a\u6d8c\u95ee\u9898\u3002\u4f46\u5728\u5b9e\u9645\u5de5\u7a0b\u4e2d\uff0cEMC\u5e76\u4e0d\u662f\u9760\u5355\u4e00\u5668\u4ef6\u89e3\u51b3\u7684\uff0c\u800c\u662f\u4e00\u4e2a<strong>\u7cfb\u7edf\u6027\u8bbe\u8ba1\u95ee\u9898<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c24\u5176\u662f\u5728\u5bb6\u7535\u7c7b\u4f20\u611f\u5668\u5e94\u7528\u4e2d\uff08\u5982\u6db2\u4f4d\u3001\u6e29\u5ea6\u3001\u538b\u529b\u7b49\uff09\uff0c\u7531\u4e8e\u4fe1\u53f7\u5fae\u5f31\u3001\u73af\u5883\u590d\u6742\uff0c\u5982\u679c\u8bbe\u8ba1\u9636\u6bb5\u6ca1\u6709\u8003\u8651EMC\uff0c\u5f88\u5bb9\u6613\u5728\u6d4b\u8bd5\u6216\u5b9e\u9645\u4f7f\u7528\u4e2d\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u4ece\u7535\u8def\u8bbe\u8ba1\u5230PCB\u5e03\u5c40\uff0c\u603b\u7ed3\u4e00\u5957\u53ef\u843d\u5730\u7684EMC\u8bbe\u8ba1\u65b9\u6cd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u4f20\u611f\u5668\u7cfb\u7edf\u7684EMC\u7279\u70b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e\u666e\u901a\u6570\u5b57\u7535\u8def\u76f8\u6bd4\uff0c\u4f20\u611f\u5668\u7cfb\u7edf\u6709\u51e0\u4e2a\u660e\u663e\u7279\u70b9\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u4fe1\u53f7\u5e45\u503c\u5c0f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mV\u7ea7\u4fe1\u53f7<\/li>\n\n\n\n<li>\u5bb9\u6613\u88ab\u5e72\u6270\u6df9\u6ca1<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u8f93\u5165\u963b\u6297\u9ad8<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u66f4\u5bb9\u6613\u8026\u5408\u566a\u58f0<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u63a5\u53e3\u5916\u9732<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6613\u53d7ESD\u5f71\u54cd<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u5de5\u4f5c\u73af\u5883\u590d\u6742<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9760\u8fd1\u7535\u673a\u3001\u52a0\u70ed\u5668\u7b49\u5e72\u6270\u6e90<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u8fd9\u51b3\u5b9a\u4e86\uff1a<br><strong>\u4f20\u611f\u5668EMC\u8bbe\u8ba1\u5fc5\u987b\u4ece\u201c\u5165\u53e3\u3001\u7535\u6e90\u3001\u4fe1\u53f7\u3001\u5e03\u5c40\u201d\u5168\u94fe\u8def\u8003\u8651<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u7535\u8def\u5c42\u9762\u7684EMC\u8bbe\u8ba1<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u7535\u6e90\u8bbe\u8ba1\uff08\u6838\u5fc3\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\uff081\uff09\u5206\u533a\u4f9b\u7535<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MCU\u7535\u6e90<\/li>\n\n\n\n<li>\u4f20\u611f\u5668\u7535\u6e90<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u5f00\u5904\u7406\uff08\u4e2d\u95f4\u53ef\u7528\u78c1\u73e0\u8fde\u63a5\uff09<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\uff082\uff09\u6ee4\u6ce2\u8bbe\u8ba1<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7ed3\u6784\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7535\u5bb9\uff08\u53bb\u8026\uff09<\/li>\n\n\n\n<li>\u78c1\u73e0\uff08\u9ad8\u9891\u6291\u5236\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\uff083\uff09\u591a\u7ea7\u53bb\u8026<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0.1\u00b5F\uff08\u9ad8\u9891\uff09<\/li>\n\n\n\n<li>1\u00b5F\uff08\u4e2d\u9891\uff09<\/li>\n\n\n\n<li>10\u00b5F\uff08\u4f4e\u9891\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4fe1\u53f7\u94fe\u8def\u8bbe\u8ba1<\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\uff081\uff09\u8f93\u5165\u7aef\u4fdd\u62a4<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TVS\u7ba1\uff08ESD\uff09<\/li>\n\n\n\n<li>\u4e32\u8054\u7535\u963b\uff08\u9650\u6d41\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\uff082\uff09RC\u6ee4\u6ce2<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6291\u5236\u9ad8\u9891\u5e72\u6270<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u622a\u6b62\u9891\u7387\u8bbe\u8ba1\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">f_c = 1 \/ (2\u03c0RC)<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\uff083\uff09\u964d\u4f4e\u963b\u6297<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u907f\u514d\u8fc7\u9ad8\u963b\u6297\u8282\u70b9<\/li>\n\n\n\n<li>\u5fc5\u8981\u65f6\u589e\u52a0\u7f13\u51b2\uff08\u8fd0\u653e\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u63a5\u53e3\u8bbe\u8ba1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5916\u90e8\u63a5\u53e3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u987b\u589e\u52a0ESD\u9632\u62a4<\/li>\n\n\n\n<li>\u4f18\u5148\u5728\u5165\u53e3\u5904\u5904\u7406\u5e72\u6270<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001PCB\u5e03\u5c40\u8bbe\u8ba1\uff08\u51b3\u5b9a\u6210\u8d25\u7684\u5173\u952e\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u591aEMC\u95ee\u9898\uff0c\u6700\u7ec8\u90fd\u4e0d\u662f\u7535\u8def\u95ee\u9898\uff0c\u800c\u662f\u5e03\u5c40\u95ee\u9898\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5206\u533a\u5e03\u5c40<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6309\u529f\u80fd\u5212\u5206\u533a\u57df\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7535\u6e90\u533a<\/li>\n\n\n\n<li>\u6570\u5b57\u533a<\/li>\n\n\n\n<li>\u6a21\u62df\/\u4f20\u611f\u5668\u533a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u539f\u5219\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ad8\u566a\u58f0\u8fdc\u79bb\u654f\u611f\u7535\u8def<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5730\u8bbe\u8ba1<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\uff081\uff09\u5b8c\u6574\u5730\u5e73\u9762<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51cf\u5c11\u963b\u6297<\/li>\n\n\n\n<li>\u63d0\u4f9b\u826f\u597d\u56de\u6d41\u8def\u5f84<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\uff082\uff09\u5355\u70b9\u8fde\u63a5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6a21\u62df\u5730\u4e0e\u6570\u5b57\u5730\u5408\u7406\u8fde\u63a5<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u8d70\u7ebf\u539f\u5219<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f7\u7ebf\u5c3d\u91cf\u77ed<\/li>\n\n\n\n<li>\u907f\u514d\u73af\u8def<\/li>\n\n\n\n<li>\u654f\u611f\u4fe1\u53f7\u8fdc\u79bb\u5e72\u6270\u6e90<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u7535\u6e90\u8def\u5f84<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u77ed\u3001\u5bbd\u3001\u4f4e\u963b\u6297<\/li>\n\n\n\n<li>\u907f\u514d\u7ed5\u884c<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. ESD\u5668\u4ef6\u5e03\u5c40<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u5173\u952e\u539f\u5219\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>ESD\u5668\u4ef6\u5fc5\u987b\u9760\u8fd1\u5e72\u6270\u5165\u53e3\uff0c\u800c\u4e0d\u662f\u9760\u8fd1\u82af\u7247<\/strong><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u5178\u578b\u9519\u8bef\u8bbe\u8ba1\u5206\u6790<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u53ea\u52a0\u5668\u4ef6\uff0c\u4e0d\u6539\u5e03\u5c40<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u6548\u679c\u6709\u9650<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. TVS\u653e\u5728\u540e\u7aef<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u5e72\u6270\u5df2\u7ecf\u8fdb\u5165\u7cfb\u7edf<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5730\u5206\u5272\u4e25\u91cd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u56de\u6d41\u8def\u5f84\u65ad\u88c2<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u4fe1\u53f7\u7ebf\u8fc7\u957f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u6613\u5f15\u5165\u5e72\u6270<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u4ece\u6d4b\u8bd5\u95ee\u9898\u53cd\u63a8\u8bbe\u8ba1\u4f18\u5316<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u95ee\u9898\u5feb\u901f\u5b9a\u4f4d\u8bbe\u8ba1\u7f3a\u9677\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6d4b\u8bd5\u73b0\u8c61<\/th><th>\u53ef\u80fd\u95ee\u9898<\/th><\/tr><\/thead><tbody><tr><td>ESD\u4e0d\u8fc7<\/td><td>\u5165\u53e3\u65e0\u4fdd\u62a4 \/ \u63a5\u5730\u5dee<\/td><\/tr><tr><td>EFT\u5f02\u5e38<\/td><td>\u7535\u6e90\u6ee4\u6ce2\u4e0d\u8db3<\/td><\/tr><tr><td>\u6570\u636e\u6ce2\u52a8<\/td><td>\u4fe1\u53f7\u6297\u5e72\u6270\u5dee<\/td><\/tr><tr><td>MCU\u590d\u4f4d<\/td><td>\u7535\u6e90\u5b8c\u6574\u6027\u95ee\u9898<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u5178\u578b\u5e94\u7528\u6848\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u67d0\u6db2\u4f4d\u4f20\u611f\u5668\u5728EMC\u6d4b\u8bd5\u4e2d\u51fa\u73b0\u95ee\u9898\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u73b0\u8c61\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ESD\u6d4b\u8bd5\u65f6\u6570\u636e\u5f02\u5e38<\/li>\n\n\n\n<li>EFT\u6d4b\u8bd5\u65f6\u5076\u53d1\u590d\u4f4d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u95ee\u9898\u5206\u6790\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f20\u611f\u5668\u8f93\u5165\u65e0\u4fdd\u62a4<\/li>\n\n\n\n<li>\u7535\u6e90\u6ee4\u6ce2\u4e0d\u8db3<\/li>\n\n\n\n<li>PCB\u5206\u533a\u4e0d\u5408\u7406<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6574\u6539\u63aa\u65bd\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u589e\u52a0TVS\u4e0eRC\u6ee4\u6ce2<\/li>\n\n\n\n<li>\u7535\u6e90\u52a0\u5165\u78c1\u73e0<\/li>\n\n\n\n<li>\u4f18\u5316PCB\u5e03\u5c40<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p 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