{"id":878,"date":"2026-07-19T21:04:36","date_gmt":"2026-07-19T13:04:36","guid":{"rendered":"https:\/\/www.zhzxs.site\/?p=878"},"modified":"2026-07-19T21:04:38","modified_gmt":"2026-07-19T13:04:38","slug":"1784465610","status":"publish","type":"post","link":"https:\/\/blog.yaosenglobal.com\/index.php\/2026\/07\/19\/1784465610\/","title":{"rendered":"PCB \u963b\u6297\u5230\u5e95\u662f\u4ec0\u4e48\uff1f\u4ece\u5355\u7aef\u3001\u5dee\u5206\u5230 TDR \u6d4b\u8bd5\uff0c\u4e00\u7bc7\u8bb2\u660e\u767d"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728 PCB \u677f\u5382\u5de5\u4f5c\uff0c\u7ecf\u5e38\u4f1a\u770b\u5230\u8fd9\u4e9b\u8981\u6c42\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5355\u7aef\u963b\u6297 50\u03a9<\/li>\n\n\n\n<li>\u5dee\u5206\u963b\u6297 90\u03a9<\/li>\n\n\n\n<li>\u5dee\u5206\u963b\u6297 100\u03a9<\/li>\n\n\n\n<li>\u963b\u6297\u516c\u5dee \u00b110%<\/li>\n\n\n\n<li>\u963b\u6297\u6d4b\u8bd5\u6761<\/li>\n\n\n\n<li>TDR \u6d4b\u8bd5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u521a\u63a5\u89e6\u65f6\u5f88\u5bb9\u6613\u4ea7\u751f\u4e00\u79cd\u611f\u89c9\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\">\u963b\u6297\u4e0d\u5c31\u662f\u4e00\u4e2a 50\u03a9 \u6216 100\u03a9 \u7684\u6570\u5b57\u5417\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u5b9e\u5e76\u4e0d\u662f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PCB \u963b\u6297\u80cc\u540e\u6d89\u53ca\u8d70\u7ebf\u3001\u53c2\u8003\u5c42\u3001\u4ecb\u8d28\u3001\u94dc\u539a\u3001\u7ebf\u5bbd\u3001\u7ebf\u8ddd\u3001\u963b\u710a\u4ee5\u53ca\u56de\u6d41\u8def\u5f84\u7b49\u5f88\u591a\u56e0\u7d20\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u8fc7\u4e5f\u4e0d\u7528\u4e00\u5f00\u59cb\u5c31\u88ab\u516c\u5f0f\u5413\u5230\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u677f\u5382\u7814\u53d1\u3001CAM \u548c\u5de5\u7a0b\u4eba\u5458\u6765\u8bf4\uff0c\u5148\u628a\u6700\u57fa\u672c\u7684\u903b\u8f91\u5f04\u61c2\uff0c\u6bd4\u6b7b\u8bb0\u516c\u5f0f\u66f4\u91cd\u8981\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u7bc7\u6587\u7ae0\u5c31\u4ece\u6700\u7b80\u5355\u7684\u89d2\u5ea6\uff0c\u8bb2\u6e05\u695a\u4ee5\u4e0b\u51e0\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4ec0\u4e48\u662f\u7279\u6027\u963b\u6297<\/li>\n\n\n\n<li>\u4e3a\u4ec0\u4e48\u9ad8\u901f\u4fe1\u53f7\u9700\u8981\u63a7\u5236\u963b\u6297<\/li>\n\n\n\n<li>\u4ec0\u4e48\u662f\u5355\u7aef\u963b\u6297<\/li>\n\n\n\n<li>\u4ec0\u4e48\u662f\u5dee\u5206\u963b\u6297<\/li>\n\n\n\n<li>\u4e3a\u4ec0\u4e48\u5dee\u5206 100\u03a9 \u4e0d\u662f\u4e24\u6839 50\u03a9 \u7b80\u5355\u76f8\u52a0<\/li>\n\n\n\n<li>\u53c2\u8003\u5c42\u548c\u56de\u6d41\u8def\u5f84\u6709\u4ec0\u4e48\u4f5c\u7528<\/li>\n\n\n\n<li>\u54ea\u4e9b\u56e0\u7d20\u4f1a\u5f71\u54cd\u963b\u6297<\/li>\n\n\n\n<li>\u677f\u5382\u5982\u4f55\u8c03\u6574\u963b\u6297<\/li>\n\n\n\n<li>\u963b\u6297\u6d4b\u8bd5\u6761\u548c TDR \u662f\u600e\u4e48\u5de5\u4f5c\u7684<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e00\u3001\u5148\u5206\u6e05\uff1a\u7535\u963b\u548c\u963b\u6297\u4e0d\u662f\u4e00\u56de\u4e8b<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u591a\u4eba\u7b2c\u4e00\u6b21\u63a5\u89e6\u963b\u6297\u65f6\uff0c\u4f1a\u628a\u5b83\u548c\u7535\u963b\u6df7\u5728\u4e00\u8d77\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u963b\u548c\u963b\u6297\u7684\u5355\u4f4d\u90fd\u662f\u6b27\u59c6\uff0c\u4e5f\u5c31\u662f \u03a9\uff0c\u4f46\u5b83\u4eec\u8868\u8fbe\u7684\u4e0d\u662f\u540c\u4e00\u4e2a\u6982\u5ff5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u7535\u963b\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u963b\u4e3b\u8981\u8868\u793a\u5bfc\u4f53\u5bf9\u76f4\u6d41\u7535\u6d41\u7684\u963b\u788d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\u4e00\u6839 PCB \u94dc\u7ebf\uff0c\u7528\u4e07\u7528\u8868\u6d4b\u51fa\u6765\uff0c\u53ef\u80fd\u53ea\u6709\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\">0.02\u03a9<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u6570\u503c\u4e3b\u8981\u548c\u94dc\u7ebf\u7684\u957f\u5ea6\u3001\u5bbd\u5ea6\u3001\u539a\u5ea6\u4ee5\u53ca\u94dc\u7684\u7535\u963b\u7387\u6709\u5173\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u963b\u6297\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u963b\u6297\u8868\u793a\u7535\u8def\u5bf9\u53d8\u5316\u4fe1\u53f7\u7684\u7efc\u5408\u5f71\u54cd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u6570\u5b57\u4fe1\u53f7\u5e76\u4e0d\u662f\u4e00\u4e2a\u4e00\u76f4\u4e0d\u53d8\u7684\u76f4\u6d41\u7535\u538b\uff0c\u800c\u662f\u5728 0 \u548c 1 \u4e4b\u95f4\u5feb\u901f\u53d8\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>0V \u2192 3.3V \u2192 0V \u2192 3.3V\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u53f7\u5728\u53d8\u5316\u65f6\uff0c\u9664\u4e86\u53d7\u5230\u7535\u963b\u5f71\u54cd\uff0c\u8fd8\u4f1a\u53d7\u5230\u7535\u611f\u548c\u7535\u5bb9\u5f71\u54cd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u963b\u6297\u5305\u542b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7535\u963b R<\/li>\n\n\n\n<li>\u7535\u611f L<\/li>\n\n\n\n<li>\u7535\u5bb9 C<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 PCB \u9ad8\u901f\u4fe1\u53f7\u4e2d\uff0c\u6211\u4eec\u5e38\u8bf4\u7684 50\u03a9\u300190\u03a9\u3001100\u03a9\uff0c\u901a\u5e38\u6307\u7684\u662f\u8d70\u7ebf\u7684\u7279\u6027\u963b\u6297\uff0c\u800c\u4e0d\u662f\u7528\u4e07\u7528\u8868\u6d4b\u5230\u7684\u76f4\u6d41\u7535\u963b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e8c\u3001\u4ec0\u4e48\u662f\u7279\u6027\u963b\u6297<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">PCB \u4e0a\u7684\u4e00\u6839\u9ad8\u901f\u8d70\u7ebf\uff0c\u4e0d\u80fd\u53ea\u770b\u6210\u666e\u901a\u94dc\u7ebf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u51c6\u786e\u5730\u8bf4\uff0c\u5b83\u662f\u4e00\u4e2a\u4f20\u8f93\u7ed3\u6784\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u4f20\u8f93\u7ed3\u6784\u901a\u5e38\u7531\u4ee5\u4e0b\u90e8\u5206\u5171\u540c\u7ec4\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f7\u7ebf<\/li>\n\n\n\n<li>\u53c2\u8003\u5c42<\/li>\n\n\n\n<li>\u4e2d\u95f4\u4ecb\u8d28<\/li>\n\n\n\n<li>\u5468\u56f4\u73af\u5883<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\u9876\u5c42\u7684\u4e00\u6839\u8d70\u7ebf\uff0c\u4e0b\u9762\u662f\u5b8c\u6574\u7684 GND \u5c42\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9876\u5c42\u4fe1\u53f7\u7ebf\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n\u4ecb\u8d28\u5c42\n\n\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\nGND \u53c2\u8003\u5c42\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u53f7\u5728\u7ebf\u8def\u4e0a\u4f20\u64ad\u65f6\uff0c\u4f1a\u5728\u4fe1\u53f7\u7ebf\u4e0e\u53c2\u8003\u5c42\u4e4b\u95f4\u5efa\u7acb\u7535\u573a\u548c\u78c1\u573a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u4e3a\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\">\u94dc\u7ebf\u8d1f\u8d23\u5f15\u5bfc\u4fe1\u53f7\u4f20\u64ad\uff0c\u800c\u7535\u78c1\u80fd\u91cf\u4e3b\u8981\u5206\u5e03\u5728\u4fe1\u53f7\u7ebf\u548c\u53c2\u8003\u5c42\u5468\u56f4\u7684\u4ecb\u8d28\u4e2d\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6761\u4f20\u8f93\u7ed3\u6784\u5bf9\u9ad8\u901f\u4fe1\u53f7\u5448\u73b0\u51fa\u6765\u7684\u56fa\u5b9a\u6bd4\u4f8b\uff0c\u5c31\u53eb\u7279\u6027\u963b\u6297\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u7528\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\">Z\u2080<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7279\u6027\u963b\u6297\u4e0d\u662f\u94dc\u7ebf\u672c\u8eab\u7684\u56fa\u5b9a\u5c5e\u6027<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u4e00\u6839\u5bbd\u5ea6\u7684\u7ebf\uff0c\u5982\u679c\u4e0b\u9762\u53c2\u8003\u5c42\u8ddd\u79bb\u4e0d\u540c\uff0c\u963b\u6297\u5c31\u4f1a\u4e0d\u540c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4fe1\u53f7\u7ebf\u79bb\u53c2\u8003\u5c42\u5f88\u8fd1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u548c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4fe1\u53f7\u7ebf\u79bb\u53c2\u8003\u5c42\u5f88\u8fdc\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u4f7f\u7ebf\u5bbd\u5b8c\u5168\u76f8\u540c\uff0c\u963b\u6297\u4e5f\u4e0d\u4e00\u6837\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u7279\u6027\u963b\u6297\u4e0d\u662f\u53ea\u7531\u94dc\u7ebf\u51b3\u5b9a\uff0c\u800c\u662f\u7531\u6574\u4e2a\u7ed3\u6784\u5171\u540c\u51b3\u5b9a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u94dc\u539a<\/li>\n\n\n\n<li>\u4ecb\u8d28\u539a\u5ea6<\/li>\n\n\n\n<li>\u4ecb\u7535\u5e38\u6570<\/li>\n\n\n\n<li>\u53c2\u8003\u5c42\u4f4d\u7f6e<\/li>\n\n\n\n<li>\u963b\u710a<\/li>\n\n\n\n<li>\u5dee\u5206\u7ebf\u8ddd<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e09\u3001\u4e3a\u4ec0\u4e48\u9ad8\u901f\u4fe1\u53f7\u9700\u8981\u63a7\u5236\u963b\u6297<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f4e\u901f\u4fe1\u53f7\u53d8\u5316\u6bd4\u8f83\u6162\uff0c\u5f88\u591a\u963b\u6297\u4e0d\u8fde\u7eed\u7684\u95ee\u9898\u4e0d\u660e\u663e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u9ad8\u901f\u4fe1\u53f7\u8fb9\u6cbf\u5f88\u5feb\uff0c\u4fe1\u53f7\u4f1a\u50cf\u6ce2\u4e00\u6837\u6cbf\u7740 PCB \u8d70\u7ebf\u4f20\u64ad\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u4e00\u6761\u4f20\u8f93\u8def\u5f84\u524d\u9762\u4e00\u76f4\u90fd\u662f 50\u03a9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>50\u03a9 \u2192 50\u03a9 \u2192 50\u03a9 \u2192 50\u03a9\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u53f7\u53ef\u4ee5\u6bd4\u8f83\u987a\u5229\u5730\u5411\u524d\u4f20\u64ad\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5982\u679c\u4e2d\u95f4\u7a81\u7136\u53d8\u6210 80\u03a9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>50\u03a9 \u2192 50\u03a9 \u2192 80\u03a9 \u2192 50\u03a9\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u53f7\u5230\u8fbe\u963b\u6297\u53d8\u5316\u7684\u4f4d\u7f6e\u65f6\uff0c\u4e00\u90e8\u5206\u80fd\u91cf\u7ee7\u7eed\u5411\u524d\uff0c\u4e00\u90e8\u5206\u80fd\u91cf\u4f1a\u88ab\u53cd\u5c04\u56de\u6765\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f\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\">\u4fe1\u53f7\u53cd\u5c04<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cd\u5c04\u53ef\u80fd\u5bfc\u81f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6ce2\u5f62\u632f\u94c3<\/li>\n\n\n\n<li>\u8fc7\u51b2<\/li>\n\n\n\n<li>\u4e0b\u51b2<\/li>\n\n\n\n<li>\u7535\u538b\u4e0d\u7a33\u5b9a<\/li>\n\n\n\n<li>\u8bef\u7801<\/li>\n\n\n\n<li>\u65f6\u5e8f\u5f02\u5e38<\/li>\n\n\n\n<li>EMI \u589e\u5927<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u9ad8\u901f PCB \u5e76\u4e0d\u662f\u8981\u6c42\u6240\u6709\u5730\u65b9\u4e00\u5b9a\u90fd\u5fc5\u987b\u662f 50\u03a9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u771f\u6b63\u91cd\u8981\u7684\u662f\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\">\u6574\u6761\u4fe1\u53f7\u4f20\u8f93\u8def\u5f84\u7684\u963b\u6297\u5c3d\u91cf\u8fde\u7eed\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\u82af\u7247\u8f93\u51fa\u7aef\u3001PCB \u8d70\u7ebf\u3001\u8fde\u63a5\u5668\u3001\u7ebf\u7f06\u548c\u63a5\u6536\u7aef\uff0c\u5982\u679c\u963b\u6297\u53d8\u5316\u8fc7\u5927\uff0c\u5c31\u5bb9\u6613\u4ea7\u751f\u53cd\u5c04\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u56db\u3001\u4ec0\u4e48\u662f\u5355\u7aef\u963b\u6297<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355\u7aef\u4fe1\u53f7\u5c31\u662f\u4e00\u6839\u4fe1\u53f7\u7ebf\u76f8\u5bf9\u4e8e\u53c2\u8003\u5c42\u4f20\u8f93\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u6784\u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4fe1\u53f7\u7ebf\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n\u4ecb\u8d28\n\n\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\n\u53c2\u8003\u5c42\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6839\u4fe1\u53f7\u7ebf\u76f8\u5bf9\u4e8e\u53c2\u8003\u5c42\u5f62\u6210\u7684\u7279\u6027\u963b\u6297\uff0c\u5c31\u53eb\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\">\u5355\u7aef\u963b\u6297<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u82f1\u6587\u662f\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\">Single-ended Impedance<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u5355\u7aef\u963b\u6297\u6709\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>40\u03a9<\/li>\n\n\n\n<li>50\u03a9<\/li>\n\n\n\n<li>60\u03a9<\/li>\n\n\n\n<li>75\u03a9<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662f 50\u03a9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5ba2\u6237\u8d44\u6599\u4e2d\u7ecf\u5e38\u4f1a\u770b\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>50\u03a9 \u00b110%\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u610f\u601d\u662f\u5141\u8bb8\u8303\u56f4\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>45\u03a9\uff5e55\u03a9\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u5e38\u89c1\u7684\u662f 50\u03a9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">50\u03a9 \u5e76\u4e0d\u662f\u81ea\u7136\u754c\u89c4\u5b9a\u7684\u6570\u5b57\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u662f\u7535\u5b50\u884c\u4e1a\u5728\u591a\u79cd\u9700\u6c42\u4e4b\u95f4\u5f62\u6210\u7684\u5e38\u7528\u6807\u51c6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u963b\u6297\u8d8a\u4f4e\uff0c\u901a\u5e38\u9700\u8981\u7684\u8d70\u7ebf\u8d8a\u5bbd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\u5728\u540c\u6837\u7684\u53e0\u5c42\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u963b\u6297\u4f4e \u2192 \u7ebf\u9700\u8981\u66f4\u5bbd\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u963b\u6297\u8d8a\u9ad8\uff0c\u901a\u5e38\u9700\u8981\u7684\u8d70\u7ebf\u8d8a\u7ec6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u963b\u6297\u9ad8 \u2192 \u7ebf\u9700\u8981\u66f4\u7ec6\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ebf\u592a\u5bbd\uff0c\u4f1a\u5360\u7528\u5927\u91cf PCB \u7a7a\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ebf\u592a\u7ec6\uff0c\u53c8\u4f1a\u589e\u52a0\u52a0\u5de5\u96be\u5ea6\u3001\u5bfc\u4f53\u635f\u8017\u548c\u5236\u9020\u98ce\u9669\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">50\u03a9 \u5728\u529f\u7387\u627f\u8f7d\u3001\u4fe1\u53f7\u635f\u8017\u3001\u7ebf\u5bbd\u5c3a\u5bf8\u548c\u5236\u9020\u96be\u5ea6\u4e4b\u95f4\u6bd4\u8f83\u5e73\u8861\uff0c\u56e0\u6b64\u9010\u6e10\u6210\u4e3a\u5e38\u89c1\u6807\u51c6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\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\">\u4e0d\u662f\u6240\u6709\u9ad8\u901f\u5355\u7aef\u4fe1\u53f7\u90fd\u662f 50\u03a9\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5177\u4f53\u963b\u6297\u76ee\u6807\u7531\u82af\u7247\u63a5\u53e3\u3001\u7cfb\u7edf\u8bbe\u8ba1\u548c\u534f\u8bae\u8981\u6c42\u51b3\u5b9a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e94\u3001\u4ec0\u4e48\u662f\u5dee\u5206\u963b\u6297<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5dee\u5206\u4fe1\u53f7\u4e0d\u662f\u4e00\u6839\u7ebf\uff0c\u800c\u662f\u4e24\u6839\u7ebf\u7ec4\u6210\u4e00\u5bf9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u6807\u8bb0\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>D+\nD-\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>TX+\nTX-\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5dee\u5206\u4fe1\u53f7\u7684\u7279\u70b9\u662f\uff0c\u4e24\u6839\u7ebf\u4e0a\u7684\u4fe1\u53f7\u65b9\u5411\u76f8\u53cd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>P \u7ebf\u7535\u538b\u5347\u9ad8\nN \u7ebf\u7535\u538b\u964d\u4f4e\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u6536\u7aef\u5e76\u4e0d\u662f\u5355\u72ec\u770b\u5176\u4e2d\u4e00\u6839\u7ebf\uff0c\u800c\u662f\u770b\u4e24\u6839\u7ebf\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5dee\u5206\u7535\u538b = P \u7ebf\u7535\u538b - N \u7ebf\u7535\u538b\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u7684\u5dee\u5206\u963b\u6297\u6709\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>85\u03a9<\/li>\n\n\n\n<li>90\u03a9<\/li>\n\n\n\n<li>100\u03a9<\/li>\n\n\n\n<li>120\u03a9<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>USB \u5e38\u89c1 90\u03a9 \u5dee\u5206<\/li>\n\n\n\n<li>HDMI \u5e38\u89c1 100\u03a9 \u5dee\u5206<\/li>\n\n\n\n<li>LVDS \u5e38\u89c1 100\u03a9 \u5dee\u5206<\/li>\n\n\n\n<li>CAN \u5e38\u89c1 120\u03a9 \u5dee\u5206<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5177\u4f53\u4ecd\u7136\u5e94\u4ee5\u5ba2\u6237\u8d44\u6599\u548c\u63a5\u53e3\u6807\u51c6\u4e3a\u51c6\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u516d\u3001\u5dee\u5206 100\u03a9 \u662f\u4e0d\u662f\u4e24\u6839 50\u03a9 \u76f8\u52a0<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u80fd\u8fd9\u6837\u7b80\u5355\u7406\u89e3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u4e24\u6839\u5dee\u5206\u7ebf\u76f8\u8ddd\u975e\u5e38\u8fdc\uff0c\u5f7c\u6b64\u51e0\u4e4e\u6ca1\u6709\u5f71\u54cd\uff0c\u90a3\u4e48\u5dee\u5206\u963b\u6297\u53ef\u80fd\u63a5\u8fd1\u4e24\u6839\u5355\u7ebf\u963b\u6297\u4e4b\u548c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5b9e\u9645 PCB \u4e2d\uff0c\u4e24\u6839\u5dee\u5206\u7ebf\u901a\u5e38\u8ddd\u79bb\u6bd4\u8f83\u8fd1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>P \u7ebf  \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\nN \u7ebf  \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e24\u6839\u7ebf\u4e4b\u95f4\u4f1a\u4ea7\u751f\u7535\u78c1\u8026\u5408\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P \u7ebf\u4f1a\u5f71\u54cd N \u7ebf<\/li>\n\n\n\n<li>N \u7ebf\u4e5f\u4f1a\u5f71\u54cd P \u7ebf<\/li>\n\n\n\n<li>\u4e24\u6839\u7ebf\u4e4b\u95f4\u5b58\u5728\u989d\u5916\u7535\u5bb9\u548c\u7535\u611f\u8026\u5408<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u5dee\u5206\u963b\u6297\u4e0d\u662f\u7b80\u5355\u5730\u628a\u4e24\u6839\u7ebf\u7684\u5355\u7aef\u963b\u6297\u76f4\u63a5\u76f8\u52a0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u5e38\u89c1\u7684\u5173\u7cfb\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Zdiff \u2248 2 \u00d7 Zodd\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zdiff\uff1a\u5dee\u5206\u963b\u6297<\/li>\n\n\n\n<li>Zodd\uff1a\u5947\u6a21\u963b\u6297<\/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\">\u4ec0\u4e48\u662f\u5947\u6a21\u963b\u6297<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5dee\u5206\u5bf9\u4e2d\u7684\u4e24\u6839\u7ebf\u7535\u538b\u5927\u5c0f\u76f8\u8fd1\u3001\u65b9\u5411\u76f8\u53cd\u65f6\uff0c\u8fd9\u79cd\u5de5\u4f5c\u72b6\u6001\u53eb\u5947\u6a21\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>P\uff1a\u6b63\nN\uff1a\u8d1f\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u4e2a\u72b6\u6001\u4e0b\uff0c\u6bcf\u6839\u7ebf\u6240\u5448\u73b0\u7684\u963b\u6297\u53eb\u5947\u6a21\u963b\u6297\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Zodd = 50\u03a9\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u4e48\u5dee\u5206\u963b\u6297\u5927\u7ea6\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Zdiff = 2 \u00d7 50\u03a9 = 100\u03a9\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48 Polar SI9000 \u7b49\u8f6f\u4ef6\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u770b\u5230 Odd Mode\u3001Differential \u7b49\u53c2\u6570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5355\u7aef\u963b\u6297\u548c\u5947\u6a21\u963b\u6297\u4e0d\u662f\u540c\u4e00\u4e2a\u503c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u7279\u522b\u5bb9\u6613\u6df7\u6dc6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u5bf9\u5dee\u5206\u7ebf\u4e2d\u7684\u6bcf\u6839\u7ebf\uff0c\u5982\u679c\u5355\u72ec\u770b\u5b83\u76f8\u5bf9\u53c2\u8003\u5c42\u7684\u963b\u6297\uff0c\u5c5e\u4e8e\u5355\u7aef\u963b\u6297\u6982\u5ff5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5f53\u4e24\u6839\u7ebf\u540c\u65f6\u4ee5\u4e00\u6b63\u4e00\u8d1f\u7684\u65b9\u5f0f\u5de5\u4f5c\u65f6\uff0c\u6bcf\u6839\u7ebf\u53d7\u5230\u53e6\u4e00\u6839\u7ebf\u8026\u5408\u5f71\u54cd\uff0c\u6b64\u65f6\u5bf9\u5e94\u7684\u662f\u5947\u6a21\u963b\u6297\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Zodd \u901a\u5e38\u4e0d\u7b49\u4e8e Zsingle\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8026\u5408\u8d8a\u5f3a\uff0c\u4e24\u8005\u4e4b\u95f4\u7684\u5dee\u5f02\u901a\u5e38\u8d8a\u660e\u663e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u4e00\u5bf9 100\u03a9 \u5dee\u5206\u7ebf\u4e2d\u7684\u6bcf\u6839\u7ebf\uff0c\u4e0d\u4e00\u5b9a\u521a\u597d\u662f 50\u03a9 \u5355\u7aef\u963b\u6297\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u65f6\u53ef\u80fd\u662f 52\u03a9\u300155\u03a9 \u6216\u5176\u4ed6\u503c\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u53e0\u5c42\u548c\u7ebf\u8ddd\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e03\u3001\u4ec0\u4e48\u662f\u5076\u6a21\u963b\u6297\u548c\u5171\u6a21\u963b\u6297<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u666e\u901a\u677f\u5382\u65e5\u5e38\u6700\u5e38\u63a5\u89e6\u7684\u662f\u5355\u7aef\u963b\u6297\u548c\u5dee\u5206\u963b\u6297\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5728 SI\u3001EMI \u548c EMC \u5206\u6790\u4e2d\uff0c\u8fd8\u4f1a\u770b\u5230\u5076\u6a21\u548c\u5171\u6a21\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u5076\u6a21<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u4e24\u6839\u7ebf\u7684\u4fe1\u53f7\u65b9\u5411\u76f8\u540c\u65f6\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>P\uff1a\u6b63\nN\uff1a\u6b63\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u72b6\u6001\u53eb\u5076\u6a21\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u5e94\u7684\u963b\u6297\u53eb\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\">\u5076\u6a21\u963b\u6297<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u82f1\u6587\u662f\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\">Even Mode Impedance<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u5171\u6a21<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5dee\u5206\u5bf9\u4e2d\u7684\u4e24\u6839\u7ebf\u4e00\u8d77\u5347\u9ad8\u6216\u4e00\u8d77\u964d\u4f4e\u65f6\uff0c\u8fd9\u90e8\u5206\u5171\u540c\u53d8\u5316\u7684\u4fe1\u53f7\u53eb\u5171\u6a21\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u60f3\u5dee\u5206\u4fe1\u53f7\u53ea\u770b\u4e24\u6839\u7ebf\u7684\u5dee\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5b9e\u9645\u4e2d\uff0c\u7531\u4e8e\u7ebf\u5bbd\u4e0d\u4e00\u81f4\u3001\u7ebf\u957f\u4e0d\u4e00\u81f4\u3001\u53c2\u8003\u5c42\u4e0d\u8fde\u7eed\u6216\u5916\u90e8\u5e72\u6270\uff0c\u5dee\u5206\u4fe1\u53f7\u53ef\u80fd\u8f6c\u6362\u6210\u5171\u6a21\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5171\u6a21\u4fe1\u53f7\u5bb9\u6613\u5f15\u8d77\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EMI \u8f90\u5c04<\/li>\n\n\n\n<li>\u63a5\u53e3\u5e72\u6270<\/li>\n\n\n\n<li>\u4fe1\u53f7\u8d28\u91cf\u4e0b\u964d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u666e\u901a CAM \u548c\u677f\u5382\u5de5\u7a0b\u4eba\u5458\u6765\u8bf4\uff0c\u5148\u77e5\u9053\u5b83\u4eec\u7684\u57fa\u672c\u6982\u5ff5\u5373\u53ef\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u516b\u3001\u4e3a\u4ec0\u4e48\u53c2\u8003\u5c42\u4f1a\u51b3\u5b9a\u963b\u6297<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u8003\u5c42\u662f\u963b\u6297\u63a7\u5236\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u4e00\u90e8\u5206\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u8003\u5c42\u4e00\u822c\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GND \u5c42<\/li>\n\n\n\n<li>PWR \u5c42<\/li>\n\n\n\n<li>\u8fde\u7eed\u5927\u94dc\u9762<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u9876\u5c42\u5fae\u5e26\u7ebf\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u9876\u5c42\u4fe1\u53f7\u7ebf\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n\u4ecb\u8d28\u5c42\n\n\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\nGND \u5c42\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u53f7\u7ebf\u548c\u53c2\u8003\u5c42\u4e4b\u95f4\u5f62\u6210\u7535\u573a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u53f7\u7535\u6d41\u7ecf\u8fc7\u8d70\u7ebf\u5411\u524d\u4f20\u64ad\u65f6\uff0c\u4e5f\u5fc5\u987b\u5b58\u5728\u5bf9\u5e94\u7684\u56de\u6d41\u7535\u6d41\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u60c5\u51b5\u4e0b\uff0c\u56de\u6d41\u7535\u6d41\u503e\u5411\u4e8e\u5728\u53c2\u8003\u5c42\u4e2d\u6cbf\u7740\u4fe1\u53f7\u7ebf\u4e0b\u65b9\u9644\u8fd1\u6d41\u52a8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u7406\u89e3\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4fe1\u53f7\u7535\u6d41 \u2192\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\n\u2190 \u56de\u6d41\u7535\u6d41\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u5f62\u6210\u7684\u7535\u6d41\u56de\u8def\u9762\u79ef\u6700\u5c0f\uff0c\u56de\u8def\u7535\u611f\u4e5f\u6bd4\u8f83\u4f4e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u53c2\u8003\u5c42\u8d8a\u8fd1\uff0c\u963b\u6297\u901a\u5e38\u8d8a\u4f4e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u53c2\u8003\u5c42\u79bb\u4fe1\u53f7\u7ebf\u5f88\u8fd1\u65f6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f7\u7ebf\u548c\u53c2\u8003\u5c42\u4e4b\u95f4\u7684\u7535\u5bb9\u589e\u5927<\/li>\n\n\n\n<li>\u7535\u573a\u66f4\u52a0\u96c6\u4e2d<\/li>\n\n\n\n<li>\u963b\u6297\u901a\u5e38\u4e0b\u964d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u53c2\u8003\u5c42\u79bb\u4fe1\u53f7\u7ebf\u8f83\u8fdc\u65f6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7535\u573a\u5206\u5e03\u8303\u56f4\u53d8\u5927<\/li>\n\n\n\n<li>\u5355\u4f4d\u957f\u5ea6\u7535\u5bb9\u51cf\u5c0f<\/li>\n\n\n\n<li>\u963b\u6297\u901a\u5e38\u5347\u9ad8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u4ecb\u8d28\u539a\u5ea6\uff0c\u4e5f\u5c31\u662f\u4fe1\u53f7\u7ebf\u5230\u53c2\u8003\u5c42\u7684\u8ddd\u79bb\uff0c\u662f\u963b\u6297\u8ba1\u7b97\u4e2d\u7684\u91cd\u8981\u53c2\u6570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u5c42\u4e0d\u80fd\u968f\u4fbf\u65ad<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u4fe1\u53f7\u7ebf\u4e0b\u9762\u539f\u672c\u662f\u5b8c\u6574 GND\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4fe1\u53f7\u7ebf\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\n\u5b8c\u6574 GND\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c GND \u5c42\u4e2d\u95f4\u51fa\u73b0\u5206\u5272\u6216\u5927\u9762\u79ef\u7a7a\u6d1e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4fe1\u53f7\u7ebf\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\n\u2588\u2588\u2588\u2588    \u2588\u2588\u2588\u2588\nGND \u4e2d\u95f4\u65ad\u5f00\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56de\u6d41\u7535\u6d41\u5c31\u4e0d\u80fd\u4e00\u76f4\u6cbf\u7740\u4fe1\u53f7\u7ebf\u4e0b\u65b9\u901a\u8fc7\uff0c\u53ea\u80fd\u7ed5\u8def\u5bfb\u627e\u5176\u4ed6\u8def\u5f84\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u4f1a\u5bfc\u81f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u56de\u6d41\u8def\u5f84\u53d8\u957f<\/li>\n\n\n\n<li>\u56de\u8def\u9762\u79ef\u589e\u5927<\/li>\n\n\n\n<li>\u7535\u611f\u589e\u5927<\/li>\n\n\n\n<li>\u5c40\u90e8\u963b\u6297\u53d8\u5316<\/li>\n\n\n\n<li>\u53cd\u5c04\u52a0\u91cd<\/li>\n\n\n\n<li>\u4e32\u6270\u589e\u52a0<\/li>\n\n\n\n<li>EMI \u589e\u5927<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u9ad8\u901f\u4fe1\u53f7\u4e0b\u9762\u6700\u597d\u4fdd\u6301\u8fde\u7eed\u5b8c\u6574\u7684\u53c2\u8003\u5c42\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e5d\u3001GND \u5c42\u548c\u7535\u6e90\u5c42\u90fd\u80fd\u4f5c\u4e3a\u53c2\u8003\u5c42\u5417<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\uff0c\u4f46\u8981\u770b\u5177\u4f53\u60c5\u51b5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u4fe1\u53f7\u6700\u5e38\u53c2\u8003 GND \u5c42\uff0c\u56e0\u4e3a\u7cfb\u7edf\u4e2d\u901a\u5e38\u66f4\u5bb9\u6613\u4fdd\u8bc1\u5730\u5e73\u9762\u8fde\u7eed\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u6e90\u5c42\u5728\u9ad8\u9891\u4e0b\u5982\u679c\u901a\u8fc7\u8db3\u591f\u7684\u53bb\u8026\u7535\u5bb9\u4e0e\u5730\u8fde\u63a5\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u53c2\u8003\u5c42\u7684\u4e00\u90e8\u5206\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5982\u679c\u4fe1\u53f7\u4ece\u53c2\u8003 GND \u7684\u533a\u57df\u5207\u6362\u5230\u53c2\u8003 PWR \u7684\u533a\u57df\uff0c\u5c31\u9700\u8981\u4fdd\u8bc1\u56de\u6d41\u7535\u6d41\u80fd\u591f\u987a\u5229\u5b8c\u6210\u53c2\u8003\u8f6c\u6362\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5426\u5219\u56de\u6d41\u8def\u5f84\u53ef\u80fd\u7ed5\u5f88\u8fdc\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u677f\u5382\u5de5\u7a0b\u4eba\u5458\u6765\u8bf4\uff0c\u5224\u65ad\u53c2\u8003\u5c42\u65f6\uff0c\u9996\u5148\u8981\u770b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4fe1\u53f7\u5c42\u4e0a\u4e0b\u6700\u8fd1\u7684\u94dc\u5e73\u9762\u662f\u54ea\u4e00\u5c42<\/li>\n\n\n\n<li>\u8be5\u94dc\u5e73\u9762\u662f\u5426\u8fde\u7eed<\/li>\n\n\n\n<li>\u4fe1\u53f7\u7ecf\u8fc7\u533a\u57df\u662f\u5426\u5b58\u5728\u5206\u5272\u6216\u5f00\u7a97<\/li>\n\n\n\n<li>\u6362\u5c42\u4f4d\u7f6e\u9644\u8fd1\u662f\u5426\u6709\u5730\u8fc7\u5b54\u6216\u5408\u9002\u7684\u56de\u6d41\u901a\u9053<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u3001\u54ea\u4e9b\u56e0\u7d20\u4f1a\u5f71\u54cd PCB \u963b\u6297<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bb0\u4f4f\u4e00\u4e2a\u603b\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\">\u4efb\u4f55\u4f1a\u6539\u53d8\u4fe1\u53f7\u7ebf\u5468\u56f4\u7535\u573a\u548c\u78c1\u573a\u5206\u5e03\u7684\u56e0\u7d20\uff0c\u90fd\u4f1a\u5f71\u54cd\u963b\u6297\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u677f\u5382\u6700\u5e38\u89c1\u7684\u5f71\u54cd\u56e0\u7d20\u5982\u4e0b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u7ebf\u5bbd W<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u60c5\u51b5\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u7ebf\u8d8a\u5bbd \u2192 \u963b\u6297\u8d8a\u4f4e\n\u7ebf\u8d8a\u7ec6 \u2192 \u963b\u6297\u8d8a\u9ad8\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u7ebf\u53d8\u5bbd\u540e\uff0c\u4e0e\u53c2\u8003\u5c42\u4e4b\u95f4\u7684\u6709\u6548\u7535\u5bb9\u901a\u5e38\u4f1a\u589e\u5927\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u963b\u6297\u504f\u4f4e\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u9002\u5f53\u51cf\u5c0f\u7ebf\u5bbd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u963b\u6297\u504f\u9ad8\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u9002\u5f53\u589e\u52a0\u7ebf\u5bbd\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u4ecb\u8d28\u539a\u5ea6 H<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ecb\u8d28\u539a\u5ea6\u6307\u4fe1\u53f7\u7ebf\u4e0e\u53c2\u8003\u5c42\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u60c5\u51b5\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8ddd\u79bb\u8d8a\u8fdc \u2192 \u963b\u6297\u8d8a\u9ad8\n\u8ddd\u79bb\u8d8a\u8fd1 \u2192 \u963b\u6297\u8d8a\u4f4e\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u6539\u53d8 PP \u539a\u5ea6\u3001\u82af\u677f\u539a\u5ea6\u6216\u538b\u5408\u7ed3\u6784\uff0c\u90fd\u4f1a\u5f71\u54cd\u963b\u6297\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u94dc\u539a T<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u94dc\u539a\u589e\u52a0\u540e\uff0c\u8d70\u7ebf\u622a\u9762\u53d1\u751f\u53d8\u5316\uff0c\u7b49\u6548\u7ebf\u5bbd\u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u60c5\u51b5\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u94dc\u8d8a\u539a \u2192 \u963b\u6297\u7565\u6709\u4e0b\u964d\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u94dc\u539a\u5bf9\u963b\u6297\u7684\u5f71\u54cd\u901a\u5e38\u6ca1\u6709\u7ebf\u5bbd\u548c\u4ecb\u8d28\u539a\u5ea6\u90a3\u4e48\u660e\u663e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5916\u5c42\u7ebf\u8def\u7535\u9540\u540e\uff0c\u6700\u7ec8\u94dc\u539a\u5e76\u4e0d\u7b49\u4e8e\u57fa\u94dc\u539a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba1\u7b97\u5916\u5c42\u963b\u6297\u65f6\uff0c\u5e94\u8be5\u5c3d\u91cf\u4f7f\u7528\u6700\u7ec8\u6210\u54c1\u94dc\u539a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u4ecb\u7535\u5e38\u6570 Dk<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u540c\u6750\u6599\u7684\u4ecb\u7535\u5e38\u6570\u4e0d\u540c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\u5e38\u89c1 FR-4 \u548c PTFE \u9ad8\u9891\u6750\u6599\u7684 Dk \u5c31\u76f8\u5dee\u5f88\u5927\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u60c5\u51b5\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Dk \u8d8a\u9ad8 \u2192 \u963b\u6297\u8d8a\u4f4e\nDk \u8d8a\u4f4e \u2192 \u963b\u6297\u8d8a\u9ad8\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a Dk \u8d8a\u9ad8\uff0c\u4fe1\u53f7\u7ebf\u4e0e\u53c2\u8003\u5c42\u4e4b\u95f4\u7684\u5355\u4f4d\u957f\u5ea6\u7535\u5bb9\u901a\u5e38\u8d8a\u5927\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u677f\u5382\u8ba1\u7b97\u65f6\uff0c\u4e0d\u80fd\u53ea\u770b\u6750\u6599\u540d\u79f0\uff0c\u8fd8\u8981\u786e\u8ba4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6811\u8102\u542b\u91cf<\/li>\n\n\n\n<li>\u73bb\u7ea4\u5e03\u7c7b\u578b<\/li>\n\n\n\n<li>\u538b\u5408\u540e\u539a\u5ea6<\/li>\n\n\n\n<li>\u6750\u6599\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684 Dk<\/li>\n\n\n\n<li>\u8f6f\u4ef6\u4f7f\u7528\u7684\u662f\u8bbe\u8ba1 Dk \u8fd8\u662f\u5de5\u827a Dk<\/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\">5. \u5dee\u5206\u7ebf\u8ddd S<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5dee\u5206\u7ebf\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u95f4\u8ddd\u8d8a\u5c0f \u2192 \u8026\u5408\u8d8a\u5f3a \u2192 \u5dee\u5206\u963b\u6297\u901a\u5e38\u8d8a\u4f4e\n\u95f4\u8ddd\u8d8a\u5927 \u2192 \u8026\u5408\u8d8a\u5f31 \u2192 \u5dee\u5206\u963b\u6297\u901a\u5e38\u8d8a\u9ad8\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u5dee\u5206\u963b\u6297\u504f\u4f4e\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u589e\u52a0\u7ebf\u8ddd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5dee\u5206\u963b\u6297\u504f\u9ad8\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u51cf\u5c0f\u7ebf\u8ddd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u8c03\u6574\u7ebf\u8ddd\u65f6\u8fd8\u8981\u8003\u8651\u5ba2\u6237\u8bbe\u8ba1\u8981\u6c42\u3001\u4e32\u6270\u548c\u53ef\u5236\u9020\u6027\uff0c\u4e0d\u80fd\u65e0\u9650\u8c03\u6574\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u963b\u710a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5916\u5c42\u8d70\u7ebf\u8986\u76d6\u963b\u710a\u540e\uff0c\u8d70\u7ebf\u5468\u56f4\u7684\u4ecb\u8d28\u73af\u5883\u4f1a\u53d1\u751f\u53d8\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ca1\u6709\u963b\u710a\u65f6\uff0c\u8d70\u7ebf\u4e0a\u65b9\u4e3b\u8981\u662f\u7a7a\u6c14\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7a7a\u6c14\u7684\u4ecb\u7535\u5e38\u6570\u63a5\u8fd1 1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8986\u76d6\u963b\u710a\u540e\uff0c\u8d70\u7ebf\u4e0a\u65b9\u53d8\u6210\u963b\u710a\u6cb9\u58a8\uff0c\u6cb9\u58a8\u7684\u4ecb\u7535\u5e38\u6570\u9ad8\u4e8e\u7a7a\u6c14\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u4e00\u822c\u60c5\u51b5\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8986\u76d6\u963b\u710a\u540e \u2192 \u5916\u5c42\u963b\u6297\u4f1a\u4e0b\u964d\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u4e0b\u964d\u591a\u5c11\uff0c\u8981\u770b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u963b\u710a\u539a\u5ea6<\/li>\n\n\n\n<li>\u6cb9\u58a8 Dk<\/li>\n\n\n\n<li>\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u7ebf\u8ddd<\/li>\n\n\n\n<li>\u8d70\u7ebf\u7ed3\u6784<\/li>\n\n\n\n<li>\u662f\u5426\u4e3a\u5dee\u5206\u7ebf<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u80fd\u56fa\u5b9a\u8ba4\u4e3a\u4e00\u5b9a\u4e0b\u964d 1\u03a9\u30013\u03a9 \u6216 5\u03a9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51c6\u786e\u503c\u6700\u597d\u901a\u8fc7\u8f6f\u4ef6\u8ba1\u7b97\u548c\u5b9e\u6d4b\u4fee\u6b63\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u8680\u523b\u540e\u7684\u7ebf\u5f62<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u7ebf\u8def\u622a\u9762\u901a\u5e38\u4e0d\u662f\u6807\u51c6\u77e9\u5f62\uff0c\u800c\u662f\u63a5\u8fd1\u68af\u5f62\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4e0a\u7a84\u4e0b\u5bbd\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u56e0\u4e3a\u8680\u523b\u8fc7\u7a0b\u4e2d\u4f1a\u4ea7\u751f\u4fa7\u8680\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u963b\u6297\u8ba1\u7b97\u4e2d\u7ecf\u5e38\u4f1a\u6d89\u53ca\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9876\u90e8\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u5e95\u90e8\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u6210\u54c1\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u8680\u523b\u56e0\u5b50<\/li>\n\n\n\n<li>\u68af\u5f62\u622a\u9762<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u677f\u5382\u6765\u8bf4\uff0c\u5ba2\u6237 Gerber \u4e2d\u7684\u8bbe\u8ba1\u7ebf\u5bbd\uff0c\u4e0d\u4e00\u5b9a\u7b49\u4e8e\u6700\u7ec8\u6210\u54c1\u7ebf\u5bbd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u5de5\u7a0b\u7aef\u7ecf\u5e38\u8981\u505a\u7ebf\u5bbd\u8865\u507f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">8. \u53c2\u8003\u5c42\u5b8c\u6574\u6027<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u4f7f\u7ebf\u5bbd\u3001\u7ebf\u8ddd\u548c\u4ecb\u8d28\u539a\u5ea6\u90fd\u4e00\u6837\uff0c\u5982\u679c\u53c2\u8003\u5c42\u4e0b\u9762\u5b58\u5728\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f00\u7a97<\/li>\n\n\n\n<li>\u5206\u5272<\/li>\n\n\n\n<li>\u5927\u5b54<\/li>\n\n\n\n<li>\u65e0\u94dc\u533a<\/li>\n\n\n\n<li>\u8de8\u7535\u6e90\u5206\u533a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c40\u90e8\u963b\u6297\u4e5f\u53ef\u80fd\u53d1\u751f\u53d8\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u53c2\u8003\u5c42\u662f\u5426\u8fde\u7eed\uff0c\u4e0d\u4ec5\u5f71\u54cd\u56de\u6d41\uff0c\u4e5f\u4f1a\u5f71\u54cd\u5b9e\u9645\u963b\u6297\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u4e00\u3001\u677f\u5382\u662f\u600e\u4e48\u8c03\u963b\u6297\u7684<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5ba2\u6237\u901a\u5e38\u4f1a\u63d0\u4f9b\u4ee5\u4e0b\u4fe1\u606f\u4e2d\u7684\u4e00\u90e8\u5206\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76ee\u6807\u963b\u6297<\/li>\n\n\n\n<li>\u963b\u6297\u7c7b\u578b<\/li>\n\n\n\n<li>\u963b\u6297\u516c\u5dee<\/li>\n\n\n\n<li>\u963b\u6297\u7ebf\u6240\u5728\u5c42<\/li>\n\n\n\n<li>\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u7ebf\u8ddd<\/li>\n\n\n\n<li>\u53c2\u8003\u5c42<\/li>\n\n\n\n<li>\u677f\u539a<\/li>\n\n\n\n<li>\u94dc\u539a<\/li>\n\n\n\n<li>\u6750\u6599<\/li>\n\n\n\n<li>\u5c42\u53e0\u8981\u6c42<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\u5ba2\u6237\u8981\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>L1 \u5355\u7aef 50\u03a9 \u00b110%\nL3-L4 \u5dee\u5206 100\u03a9 \u00b110%\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u677f\u5382\u5de5\u7a0b\u4eba\u5458\u9700\u8981\u6839\u636e\u5b9e\u9645\u6750\u6599\u548c\u538b\u5408\u80fd\u529b\u8fdb\u884c\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5ba2\u6237\u76ee\u6807\u963b\u6297\n      \u2193\n\u786e\u8ba4\u5c42\u53e0\u7ed3\u6784\n      \u2193\n\u8f93\u5165\u963b\u6297\u8f6f\u4ef6\n      \u2193\n\u8ba1\u7b97\u5efa\u8bae\u7ebf\u5bbd\u548c\u7ebf\u8ddd\n      \u2193\n\u5de5\u7a0b\u8865\u507f\n      \u2193\n\u751f\u4ea7\u8bd5\u677f\n      \u2193\nTDR \u6d4b\u8bd5\n      \u2193\n\u6839\u636e\u5b9e\u6d4b\u7ed3\u679c\u4fee\u6b63\u53c2\u6570\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u963b\u6297\u504f\u4f4e\u65f6\u600e\u4e48\u8c03<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u76ee\u6807\u662f 100\u03a9\uff0c\u5b9e\u6d4b\u53ea\u6709 95\u03a9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u660e\u963b\u6297\u504f\u4f4e\uff0c\u9700\u8981\u63d0\u9ad8\u963b\u6297\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u8c03\u6574\u65b9\u5411\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51cf\u5c0f\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u589e\u52a0\u5dee\u5206\u7ebf\u8ddd<\/li>\n\n\n\n<li>\u589e\u52a0\u5230\u53c2\u8003\u5c42\u7684\u8ddd\u79bb<\/li>\n\n\n\n<li>\u91c7\u7528\u8f83\u4f4e Dk \u6750\u6599<\/li>\n\n\n\n<li>\u51cf\u5c11\u5916\u5c42\u6700\u7ec8\u94dc\u539a\u5f71\u54cd<\/li>\n\n\n\n<li>\u4f18\u5316\u963b\u710a\u53c2\u6570<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u4f18\u5148\u8c03\u6574\u4ec0\u4e48\uff0c\u8981\u770b\u5ba2\u6237\u662f\u5426\u5141\u8bb8\u4fee\u6539\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\u5ba2\u6237\u5df2\u7ecf\u9501\u5b9a\u7ebf\u5bbd\u548c\u7ebf\u8ddd\uff0c\u5c31\u53ea\u80fd\u4f18\u5148\u4ece\u5c42\u53e0\u3001PP \u539a\u5ea6\u6216\u6750\u6599\u53c2\u6570\u65b9\u9762\u8003\u8651\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u963b\u6297\u504f\u9ad8\u65f6\u600e\u4e48\u8c03<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u76ee\u6807\u662f 100\u03a9\uff0c\u5b9e\u6d4b\u4e3a 105\u03a9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u660e\u963b\u6297\u504f\u9ad8\uff0c\u9700\u8981\u964d\u4f4e\u963b\u6297\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u8c03\u6574\u65b9\u5411\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u589e\u52a0\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u51cf\u5c0f\u5dee\u5206\u7ebf\u8ddd<\/li>\n\n\n\n<li>\u51cf\u5c0f\u5230\u53c2\u8003\u5c42\u7684\u8ddd\u79bb<\/li>\n\n\n\n<li>\u4f7f\u7528\u8f83\u9ad8 Dk \u6750\u6599<\/li>\n\n\n\n<li>\u589e\u52a0\u94dc\u539a\u5f71\u54cd<\/li>\n\n\n\n<li>\u8003\u8651\u963b\u710a\u8986\u76d6\u540e\u7684\u53d8\u5316<\/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\">\u677f\u5382\u4e0d\u80fd\u968f\u4fbf\u4fee\u6539\u5ba2\u6237\u7ebf\u8def<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u677f\u5382\u4e0d\u80fd\u672a\u7ecf\u786e\u8ba4\u5c31\u968f\u610f\u4fee\u6539\u5ba2\u6237\u5173\u952e\u7ebf\u8def\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c24\u5176\u662f\u5dee\u5206\u7ebf\uff0c\u9664\u4e86\u963b\u6297\u8981\u6c42\u5916\uff0c\u8fd8\u53ef\u80fd\u6d89\u53ca\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ebf\u957f\u5339\u914d<\/li>\n\n\n\n<li>\u95f4\u8ddd\u8981\u6c42<\/li>\n\n\n\n<li>\u4e32\u6270\u63a7\u5236<\/li>\n\n\n\n<li>BGA \u51fa\u7ebf\u7a7a\u95f4<\/li>\n\n\n\n<li>\u65f6\u5e8f\u8981\u6c42<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u677f\u5382\u901a\u5e38\u9700\u8981\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8ba1\u7b97\u73b0\u6709\u8bbe\u8ba1\u662f\u5426\u80fd\u591f\u6ee1\u8db3\u963b\u6297<\/li>\n\n\n\n<li>\u5982\u679c\u4e0d\u80fd\u6ee1\u8db3\uff0c\u63d0\u51fa\u5efa\u8bae\u503c<\/li>\n\n\n\n<li>\u7ecf\u8fc7\u5ba2\u6237\u786e\u8ba4\u540e\u518d\u4fee\u6539<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u4e8c\u3001\u4ec0\u4e48\u662f\u963b\u6297\u6d4b\u8bd5\u6761<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u963b\u6297\u6d4b\u8bd5\u6761\u4e5f\u53eb\u963b\u6297 Coupon\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u901a\u5e38\u653e\u5728\u5de5\u827a\u8fb9\u6216\u62fc\u677f\u8fb9\u4e0a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d4b\u8bd5\u6761\u4f1a\u6309\u7167\u677f\u5185\u963b\u6297\u7ebf\u7684\u7ed3\u6784\u8bbe\u8ba1\uff0c\u4f8b\u5982\u4fdd\u6301\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76f8\u540c\u4fe1\u53f7\u5c42<\/li>\n\n\n\n<li>\u76f8\u540c\u53c2\u8003\u5c42<\/li>\n\n\n\n<li>\u76f8\u540c\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u76f8\u540c\u7ebf\u8ddd<\/li>\n\n\n\n<li>\u76f8\u540c\u94dc\u539a<\/li>\n\n\n\n<li>\u76f8\u540c\u4ecb\u8d28\u539a\u5ea6<\/li>\n\n\n\n<li>\u76f8\u540c\u6750\u6599<\/li>\n\n\n\n<li>\u76f8\u540c\u963b\u710a\u6761\u4ef6<\/li>\n\n\n\n<li>\u76f8\u540c\u538b\u5408\u6d41\u7a0b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\u677f\u5185\u963b\u6297\u7ebf\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>L1 \u4fe1\u53f7\nL2 GND \u53c2\u8003\u5c42\n\u7ebf\u5bbd 4mil\n\u6210\u54c1\u94dc\u539a 35\u03bcm\n\u963b\u6297\u8981\u6c42 50\u03a9\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u4e48\u6d4b\u8bd5\u6761\u4e5f\u5c3d\u91cf\u6309\u7167\u540c\u6837\u7684\u7ed3\u6784\u5236\u4f5c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u4e09\u3001\u4e3a\u4ec0\u4e48\u6d4b\u8bd5\u6761\u53ef\u4ee5\u4ee3\u8868\u6574\u677f<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u963b\u6297\u4e3b\u8981\u7531\u7ebf\u8def\u622a\u9762\u548c\u5c42\u53e0\u7ed3\u6784\u51b3\u5b9a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6d4b\u8bd5\u6761\u548c\u677f\u5185\u963b\u6297\u7ebf\u5177\u6709\u76f8\u540c\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c42\u522b<\/li>\n\n\n\n<li>\u53c2\u8003\u5c42<\/li>\n\n\n\n<li>\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u7ebf\u8ddd<\/li>\n\n\n\n<li>\u94dc\u539a<\/li>\n\n\n\n<li>\u4ecb\u8d28\u539a\u5ea6<\/li>\n\n\n\n<li>\u6750\u6599<\/li>\n\n\n\n<li>\u538b\u5408\u6761\u4ef6<\/li>\n\n\n\n<li>\u963b\u710a\u6761\u4ef6<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u4e48\u5b83\u4eec\u7684\u963b\u6297\u901a\u5e38\u5e94\u8be5\u63a5\u8fd1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u6d4b\u8bd5\u6761\u5224\u65ad\u672c\u6279\u677f\u7684\u963b\u6297\u662f\u5426\u6ee1\u8db3\u8981\u6c42\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u6d4b\u8bd5\u6761\u5e76\u4e0d\u80fd\u4ee3\u8868\u677f\u5185\u6240\u6709\u7279\u6b8a\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8de8\u53c2\u8003\u5c42\u5206\u5272\u7684\u4f4d\u7f6e<\/li>\n\n\n\n<li>\u8fde\u63a5\u5668\u710a\u76d8\u533a\u57df<\/li>\n\n\n\n<li>BGA \u51fa\u7ebf\u533a\u57df<\/li>\n\n\n\n<li>\u6362\u5c42\u8fc7\u5b54\u533a\u57df<\/li>\n\n\n\n<li>\u5c40\u90e8\u5927\u9762\u79ef\u65e0\u94dc\u533a\u57df<\/li>\n\n\n\n<li>\u5dee\u5206\u7ebf\u4e25\u91cd\u4e0d\u5bf9\u79f0\u533a\u57df<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u4f4d\u7f6e\u7684\u5b9e\u9645\u963b\u6297\u53ef\u80fd\u548c\u6d4b\u8bd5\u6761\u4e0d\u540c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u66f4\u51c6\u786e\u5730\u8bf4\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\">\u6d4b\u8bd5\u6761\u4e3b\u8981\u7528\u4e8e\u9a8c\u8bc1\u677f\u5382\u7684\u6750\u6599\u3001\u538b\u5408\u3001\u94dc\u539a\u3001\u7ebf\u5bbd\u548c\u8680\u523b\u5de5\u827a\u662f\u5426\u8fbe\u5230\u76ee\u6807\u963b\u6297\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u4e0d\u80fd\u5b8c\u5168\u4ee3\u8868\u6574\u5757\u677f\u4e0a\u6bcf\u4e00\u4e2a\u5c40\u90e8\u7ed3\u6784\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u56db\u3001TDR \u662f\u600e\u4e48\u6d4b\u963b\u6297\u7684<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">TDR \u7684\u82f1\u6587\u662f\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\">Time Domain Reflectometer<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e2d\u6587\u53eb\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\">\u65f6\u57df\u53cd\u5c04\u4eea<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u4e0d\u662f\u50cf\u4e07\u7528\u8868\u4e00\u6837\uff0c\u76f4\u63a5\u6d4b\u4e00\u6839\u7ebf\u7684\u76f4\u6d41\u7535\u963b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TDR \u4f1a\u5411\u6d4b\u8bd5\u7ebf\u4e2d\u53d1\u9001\u4e00\u4e2a\u4e0a\u5347\u5f88\u5feb\u7684\u7535\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u4fe1\u53f7\u6cbf\u6d4b\u8bd5\u6761\u5411\u524d\u4f20\u64ad\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6574\u6761\u7ebf\u8def\u963b\u6297\u7a33\u5b9a\uff0c\u53cd\u5c04\u5c31\u6bd4\u8f83\u5c0f\uff0c\u6d4b\u5f97\u7684\u963b\u6297\u66f2\u7ebf\u4f1a\u6bd4\u8f83\u5e73\u7a33\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>50\u03a9 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e2d\u95f4\u67d0\u4e00\u6bb5\u963b\u6297\u5347\u9ad8\uff0cTDR \u4f1a\u68c0\u6d4b\u5230\u5bf9\u5e94\u53cd\u5c04\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e2d\u95f4\u67d0\u4e00\u6bb5\u963b\u6297\u964d\u4f4e\uff0c\u4e5f\u4f1a\u4ea7\u751f\u65b9\u5411\u4e0d\u540c\u7684\u53cd\u5c04\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u53cd\u5c04\u4fe1\u53f7\u8fd4\u56de\u7684\u65f6\u95f4\uff0c\u4eea\u5668\u8fd8\u80fd\u5927\u81f4\u5224\u65ad\u963b\u6297\u53d8\u5316\u53d1\u751f\u5728\u4ec0\u4e48\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">TDR \u7684\u57fa\u672c\u903b\u8f91<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TDR \u53ef\u4ee5\u7406\u89e3\u6210\u5411\u7ebf\u8def\u91cc\u53d1\u51fa\u4e00\u4e2a\u8109\u51b2\uff0c\u7136\u540e\u89c2\u5bdf\u56de\u6ce2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u50cf\u58f0\u97f3\u9047\u5230\u5899\u58c1\u4f1a\u4ea7\u751f\u56de\u58f0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7ebf\u8def\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u963b\u6297\u8fde\u7eed\u65f6\uff0c\u53cd\u5c04\u8f83\u5c0f<\/li>\n\n\n\n<li>\u963b\u6297\u5347\u9ad8\u65f6\uff0c\u4f1a\u4ea7\u751f\u53cd\u5c04<\/li>\n\n\n\n<li>\u963b\u6297\u964d\u4f4e\u65f6\uff0c\u4e5f\u4f1a\u4ea7\u751f\u53cd\u5c04<\/li>\n\n\n\n<li>\u5f00\u8def\u65f6\uff0c\u53cd\u5c04\u5f88\u5f3a<\/li>\n\n\n\n<li>\u77ed\u8def\u65f6\uff0c\u4e5f\u4f1a\u51fa\u73b0\u660e\u663e\u53cd\u5c04<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eea\u5668\u6839\u636e\u53cd\u5c04\u5927\u5c0f\uff0c\u53cd\u63a8\u51fa\u7ebf\u8def\u6cbf\u9014\u7684\u963b\u6297\u53d8\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0cTDR \u6d4b\u5230\u7684\u4e0d\u662f\u5355\u72ec\u4e00\u4e2a\u70b9\uff0c\u800c\u662f\u4e00\u6bb5\u7ebf\u8def\u7684\u963b\u6297\u66f2\u7ebf\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u4e94\u3001\u677f\u5382\u7814\u53d1\u5e94\u8be5\u91cd\u70b9\u638c\u63e1\u4ec0\u4e48<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u677f\u5382\u7814\u53d1\u3001CAM \u548c\u5de5\u7a0b\u4eba\u5458\u6765\u8bf4\uff0c\u4e0d\u9700\u8981\u4e00\u5f00\u59cb\u5c31\u94bb\u7814\u590d\u6742\u7535\u78c1\u516c\u5f0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\u4f18\u5148\u638c\u63e1\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e00\u9636\u6bb5\uff1a\u8ba4\u8bc6\u57fa\u672c\u6982\u5ff5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u641e\u61c2\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7535\u963b\u548c\u963b\u6297\u7684\u533a\u522b<\/li>\n\n\n\n<li>\u4ec0\u4e48\u662f\u7279\u6027\u963b\u6297<\/li>\n\n\n\n<li>\u4ec0\u4e48\u662f\u5355\u7aef\u963b\u6297<\/li>\n\n\n\n<li>\u4ec0\u4e48\u662f\u5dee\u5206\u963b\u6297<\/li>\n\n\n\n<li>\u4e3a\u4ec0\u4e48\u9700\u8981\u53c2\u8003\u5c42<\/li>\n\n\n\n<li>\u4ec0\u4e48\u662f\u56de\u6d41\u8def\u5f84<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e8c\u9636\u6bb5\uff1a\u5b66\u4f1a\u770b\u5c42\u53e0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u80fd\u591f\u5224\u65ad\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f7\u5c42\u53c2\u8003\u54ea\u4e00\u5c42<\/li>\n\n\n\n<li>\u662f\u5fae\u5e26\u8fd8\u662f\u5e26\u72b6\u7ebf<\/li>\n\n\n\n<li>\u662f\u5355\u7aef\u8fd8\u662f\u5dee\u5206<\/li>\n\n\n\n<li>\u4ecb\u8d28\u539a\u5ea6\u662f\u591a\u5c11<\/li>\n\n\n\n<li>\u94dc\u539a\u91c7\u7528\u57fa\u94dc\u8fd8\u662f\u6210\u54c1\u94dc\u539a<\/li>\n\n\n\n<li>\u662f\u5426\u8986\u76d6\u963b\u710a<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e09\u9636\u6bb5\uff1a\u5b66\u4f1a\u4f7f\u7528\u963b\u6297\u8f6f\u4ef6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u8f6f\u4ef6\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polar SI9000<\/li>\n\n\n\n<li>Saturn PCB Toolkit<\/li>\n\n\n\n<li>\u5176\u4ed6\u963b\u6297\u8ba1\u7b97\u5de5\u5177<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u70b9\u4e0d\u662f\u53ea\u4f1a\u8f93\u5165\u6570\u5b57\uff0c\u800c\u662f\u8981\u77e5\u9053\u6bcf\u4e2a\u53c2\u6570\u4e3a\u4ec0\u4e48\u8fd9\u6837\u586b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u56db\u9636\u6bb5\uff1a\u7ed3\u5408\u751f\u4ea7\u5b9e\u6d4b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u9010\u6e10\u5efa\u7acb\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8f6f\u4ef6\u8ba1\u7b97\u503c\n+\n\u677f\u5382\u5b9e\u9645\u5de5\u827a\n+\nTDR \u5b9e\u6d4b\u503c\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e09\u8005\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f6f\u4ef6\u53ea\u80fd\u6309\u7167\u8f93\u5165\u53c2\u6570\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5b9e\u9645\u538b\u5408\u539a\u5ea6\u3001Dk\u3001\u7ebf\u5bbd\u3001\u94dc\u539a\u548c\u8680\u523b\u622a\u9762\u4e0e\u8f93\u5165\u4e0d\u4e00\u81f4\uff0c\u6700\u7ec8\u5b9e\u6d4b\u5c31\u4f1a\u4ea7\u751f\u504f\u5dee\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u516d\u3001\u6700\u540e\u603b\u7ed3<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">PCB \u963b\u6297\u4e0d\u662f\u94dc\u7ebf\u5355\u72ec\u5177\u6709\u7684\u4e00\u4e2a\u56fa\u5b9a\u6570\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u662f\u7531\u4ee5\u4e0b\u90e8\u5206\u5171\u540c\u51b3\u5b9a\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fe1\u53f7\u7ebf<\/li>\n\n\n\n<li>\u53c2\u8003\u5c42<\/li>\n\n\n\n<li>\u4e2d\u95f4\u4ecb\u8d28<\/li>\n\n\n\n<li>\u94dc\u539a<\/li>\n\n\n\n<li>\u7ebf\u5bbd<\/li>\n\n\n\n<li>\u7ebf\u8ddd<\/li>\n\n\n\n<li>\u963b\u710a<\/li>\n\n\n\n<li>\u5468\u56f4\u7ed3\u6784<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u4fe1\u53f7\u9700\u8981\u63a7\u5236\u963b\u6297\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86\u51cf\u5c11\u4f20\u8f93\u8def\u5f84\u4e2d\u7684\u963b\u6297\u7a81\u53d8\uff0c\u4ece\u800c\u964d\u4f4e\u53cd\u5c04\u3001\u632f\u94c3\u3001\u8bef\u7801\u548c EMI\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355\u7aef\u963b\u6297\u63cf\u8ff0\u7684\u662f\u4e00\u6839\u4fe1\u53f7\u7ebf\u76f8\u5bf9\u4e8e\u53c2\u8003\u5c42\u7684\u7279\u6027\u963b\u6297\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5dee\u5206\u963b\u6297\u63cf\u8ff0\u7684\u662f\u4e00\u5bf9\u5dee\u5206\u7ebf\u5728\u76f8\u53cd\u65b9\u5411\u4f20\u8f93\u65f6\uff0c\u4e24\u6839\u7ebf\u4e4b\u95f4\u5448\u73b0\u7684\u963b\u6297\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5dee\u5206\u963b\u6297\u5e76\u4e0d\u662f\u4e24\u6839\u5355\u7aef\u963b\u6297\u7b80\u5355\u76f8\u52a0\uff0c\u56e0\u4e3a\u4e24\u6839\u5dee\u5206\u7ebf\u4e4b\u95f4\u5b58\u5728\u7535\u78c1\u8026\u5408\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u963b\u6297\u6d4b\u8bd5\u6761\u7528\u4e8e\u9a8c\u8bc1\u677f\u5382\u7684\u5c42\u53e0\u3001\u6750\u6599\u3001\u7ebf\u5bbd\u3001\u94dc\u539a\u548c\u538b\u5408\u5de5\u827a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TDR \u5219\u901a\u8fc7\u89c2\u5bdf\u9ad8\u901f\u4fe1\u53f7\u5728\u7ebf\u8def\u4e2d\u7684\u53cd\u5c04\uff0c\u53cd\u63a8\u51fa\u7ebf\u8def\u7684\u963b\u6297\u53d8\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u7528\u4e00\u53e5\u8bdd\u6982\u62ec\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\">PCB \u963b\u6297\uff0c\u662f\u4fe1\u53f7\u7ebf\u3001\u53c2\u8003\u5c42\u548c\u5468\u56f4\u4ecb\u8d28\u5171\u540c\u5f62\u6210\u7684\u4f20\u8f93\u7ed3\u6784\uff0c\u5bf9\u9ad8\u901f\u4fe1\u53f7\u6240\u5448\u73b0\u51fa\u6765\u7684\u7279\u6027\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u8981\u628a\u8fd9\u53e5\u8bdd\u771f\u6b63\u7406\u89e3\u4e86\uff0c\u540e\u9762\u518d\u5b66\u4e60 Polar SI9000\u3001\u5c42\u53e0\u8bbe\u8ba1\u3001\u963b\u6297\u8865\u507f\u3001TDR \u6d4b\u8bd5\u3001SI \u548c PI\uff0c\u5c31\u4f1a\u5bb9\u6613\u5f88\u591a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 PCB \u677f\u5382\u5de5\u4f5c\uff0c\u7ecf\u5e38\u4f1a\u770b\u5230\u8fd9\u4e9b\u8981\u6c42\uff1a \u521a\u63a5\u89e6\u65f6\u5f88\u5bb9\u6613\u4ea7\u751f\u4e00\u79cd\u611f\u89c9\uff1a \u963b\u6297\u4e0d\u5c31\u662f\u4e00\u4e2a 50\u03a9 \u6216 100\u03a9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":107,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[163],"tags":[179,178],"class_list":["post-878","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb","tag-179","tag-178"],"_links":{"self":[{"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/posts\/878","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/comments?post=878"}],"version-history":[{"count":1,"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/posts\/878\/revisions"}],"predecessor-version":[{"id":879,"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/posts\/878\/revisions\/879"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/media\/107"}],"wp:attachment":[{"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/media?parent=878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/categories?post=878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.yaosenglobal.com\/index.php\/wp-json\/wp\/v2\/tags?post=878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}