{"id":2797,"date":"2026-10-28T11:00:00","date_gmt":"2026-10-28T03:00:00","guid":{"rendered":"https:\/\/www.jingpengpcb.com\/?p=2797"},"modified":"2026-10-10T00:08:34","modified_gmt":"2026-10-09T16:08:34","slug":"pcb-design-qa-part-4","status":"publish","type":"post","link":"https:\/\/www.jingpengpcb.com\/en\/blog\/pcb-design-qa-part-4\/","title":{"rendered":"\u9ad8\u901fPCB\u8bbe\u8ba1\u6709\u54ea\u4e9b\u95ee\u7b54\uff1f\u7279\u6027\u963b\u6297\u516c\u5f0f\u4e0e\u521a\u67d4\u677f\u8bbe\u8ba1"},"content":{"rendered":"<style>\n.jp-tw{overflow-x:auto;margin:26px 0;-webkit-overflow-scrolling:touch;}\n.jp-tw table{border-collapse:collapse;width:100%;min-width:560px;font-size:15px;line-height:1.65;background:#fff;}\n.jp-tw th,.jp-tw td{border:1px solid #dde3ea;padding:11px 14px;text-align:left;vertical-align:top;}\n.jp-tw thead th{background:#eef2f7;color:#1b2733;font-weight:700;white-space:nowrap;border-bottom:2px solid #c9d3de;}\n.jp-tw tbody tr:nth-child(even){background:#fafbfc;}\n.jp-tw tbody tr:hover{background:#f1f5fa;}\n.jp-tw tbody td:first-child{font-weight:600;color:#1b2733;}\n@media(max-width:767px){.jp-tw table{font-size:14px;min-width:520px;}.jp-tw th,.jp-tw td{padding:9px 11px;}}\n<\/style>\n<p>\u5370\u5237\u7535\u8def\u677f\uff08PCB\uff09\u8bbe\u8ba1\u662f\u73b0\u4ee3\u7535\u5b50\u9886\u57df\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5728\u8fd9\u4e00\u7cfb\u5217\u95ee\u7b54\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u4e00\u4e9b\u5173\u4e8e\u9ad8\u901f\u3001\u9ad8\u5bc6\u5ea6\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u7684\u91cd\u8981\u95ee\u9898\uff0c\u4ee5\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u5bf9\u8fd9\u4e00\u9886\u57df\u7684\u6311\u6218\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" class=\"alignnone size-large wp-image-6437\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/common-errors-in-printed-circuit-board-design.jpg\" alt=\"\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u4e2d\u7684\u5e38\u89c1\u9519\u8bef\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/common-errors-in-printed-circuit-board-design.jpg 1280w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/common-errors-in-printed-circuit-board-design-300x169.jpg 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/common-errors-in-printed-circuit-board-design-1024x576.jpg 1024w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/common-errors-in-printed-circuit-board-design-768x432.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h2>\u8fdb\u9636\uff1a\u4ec0\u4e48\u65f6\u5019\u624d\u53eb\u300c\u9ad8\u901f\u8bbe\u8ba1\u300d<\/h2>\n<p>\u9ad8\u901f\u4e0e\u5426\u5e76\u4e0d\u53d6\u51b3\u4e8e\u65f6\u949f\u9891\u7387\uff0c\u800c\u53d6\u51b3\u4e8e<strong>\u4fe1\u53f7\u7684\u4e0a\u5347\u6cbf\u65f6\u95f4\u4e0e\u8d70\u7ebf\u957f\u5ea6\u7684\u5173\u7cfb<\/strong>\u3002\u5224\u65ad\u6807\u51c6\u53ef\u4ee5\u7b80\u5316\u6210\u4e00\u53e5\u8bdd\uff1a\u5f53\u8d70\u7ebf\u7684\u4f20\u64ad\u5ef6\u8fdf\u63a5\u8fd1\u6216\u8d85\u8fc7\u4fe1\u53f7\u4e0a\u5347\u6cbf\u65f6\u95f4\u7684\u4e00\u5b9a\u6bd4\u4f8b\u65f6\uff0c\u5c31\u5fc5\u987b\u6309\u4f20\u8f93\u7ebf\u6765\u5904\u7406\u3002<\/p>\n<div class=\"jp-tw\">\n<table>\n<thead>\n<tr>\n<th>\u5224\u636e<\/th>\n<th>\u4e34\u754c\u6761\u4ef6<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8d70\u7ebf\u957f\u5ea6\u5224\u636e<\/td>\n<td>\u8d70\u7ebf\u957f\u5ea6 &gt; \u4e0a\u5347\u6cbf\u6709\u6548\u957f\u5ea6\u7684 1\/6<\/td>\n<td>\u8d85\u8fc7\u5373\u9700\u8003\u8651\u53cd\u5c04\u4e0e\u7aef\u63a5<\/td>\n<\/tr>\n<tr>\n<td>\u4f20\u64ad\u5ef6\u8fdf\u5224\u636e<\/td>\n<td>\u5355\u7a0b\u5ef6\u8fdf &gt; \u4e0a\u5347\u6cbf\u65f6\u95f4\u7684 1\/2<\/td>\n<td>\u5e38\u7528\u5de5\u7a0b\u8fd1\u4f3c<\/td>\n<\/tr>\n<tr>\n<td>\u9891\u7387\u5224\u636e<\/td>\n<td>\u5173\u6ce8 0.35 \/ \u4e0a\u5347\u6cbf\u65f6\u95f4 \u5bf9\u5e94\u7684\u5e26\u5bbd<\/td>\n<td>\u51b3\u5b9a\u9700\u8981\u8003\u8651\u7684\u8c10\u6ce2\u8303\u56f4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u4e3e\u4e2a\u76f4\u89c2\u7684\u4f8b\u5b50\uff1a\u4e00\u4e2a\u4e0a\u5347\u6cbf 1 ns \u7684\u4fe1\u53f7\uff0c\u5728 FR-4 \u4e2d\u7684\u6709\u6548\u957f\u5ea6\u7ea6\u4e3a 15 cm \u91cf\u7ea7\uff0c\u6309\u516d\u5206\u4e4b\u4e00\u5224\u636e\uff0c\u8d70\u7ebf\u8d85\u8fc7 2.5 cm \u5c31\u8be5\u5f53\u4f5c\u4f20\u8f93\u7ebf\u5904\u7406\u3002\u8fd9\u610f\u5473\u7740<strong>\u5373\u4fbf\u65f6\u949f\u53ea\u6709\u51e0\u5341\u5146\u8d6b\u5179\uff0c\u53ea\u8981\u8fb9\u6cbf\u8db3\u591f\u9661\uff0c\u540c\u6837\u5c5e\u4e8e\u9ad8\u901f\u8bbe\u8ba1<\/strong>\u3002<\/p>\n<ul>\n<li><strong>\u770b\u8fb9\u6cbf\u4e0d\u770b\u9891\u7387<\/strong>\uff1a\u540c\u6837 10 MHz \u7684\u65f6\u949f\uff0c\u6162\u901f CMOS \u4e0e\u5feb\u901f\u903b\u8f91\u5668\u4ef6\u7684\u5904\u7406\u8981\u6c42\u5b8c\u5168\u4e0d\u540c\uff1b<\/li>\n<li><strong>\u5148\u67e5\u5668\u4ef6\u624b\u518c\u7684\u4e0a\u5347\u6cbf<\/strong>\uff1a\u8fd9\u662f\u5224\u65ad\u7684\u8d77\u70b9\uff0c\u5f88\u591a\u8bbe\u8ba1\u95ee\u9898\u6e90\u4e8e\u8bef\u7528\u4e86\u8f93\u51fa\u8fb9\u6cbf\u66f4\u9661\u7684\u66ff\u4ee3\u6599\uff1b<\/li>\n<li><strong>\u5b81\u53ef\u6309\u9ad8\u901f\u5904\u7406<\/strong>\uff1a\u591a\u505a\u7aef\u63a5\u4e0e\u963b\u6297\u63a7\u5236\u7684\u6210\u672c\uff0c\u8fdc\u4f4e\u4e8e\u6539\u677f\u4e00\u8f6e\u7684\u4ee3\u4ef7\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1238\" height=\"250\" class=\"alignnone size-large wp-image-544\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2022\/12\/10-signal-integrity-issues-in-high-speed-pcb-design.jpg\" alt=\"\u9ad8\u901fPCB\u8bbe\u8ba1\u4e2d\u768410\u4e2a\u4fe1\u53f7\u5b8c\u6574\u6027\u95ee\u9898\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2022\/12\/10-signal-integrity-issues-in-high-speed-pcb-design.jpg 1238w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2022\/12\/10-signal-integrity-issues-in-high-speed-pcb-design-300x61.jpg 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2022\/12\/10-signal-integrity-issues-in-high-speed-pcb-design-1024x207.jpg 1024w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2022\/12\/10-signal-integrity-issues-in-high-speed-pcb-design-768x155.jpg 768w\" sizes=\"auto, (max-width: 1238px) 100vw, 1238px\" \/><\/p>\n<p>\u9ad8\u901f\u8bbe\u8ba1\u4e2d\u7684\u5178\u578b\u95ee\u9898\u89c1<a href=\"\/blog\/10-signal-integrity-issues-in-high-speed-pcb-design\/\">\u9ad8\u901fPCB\u8bbe\u8ba1\u4e2d\u768410\u4e2a\u4fe1\u53f7\u5b8c\u6574\u6027\u95ee\u9898<\/a>\uff1b\u4fe1\u53f7\u5b8c\u6574\u6027\u603b\u8ff0\u89c1<a href=\"\/blog\/pcb-design-signal-integrity\/\">PCB\u8bbe\u8ba1\u4e2d\u4fe1\u53f7\u5b8c\u6574\u6027\u95ee\u9898<\/a>\u3002<\/p>\n<h2><strong>16\u3001\u56fd\u5916\u9ad8\u901f\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u8d44\u6e90<\/strong><\/h2>\n<p>\u5728\u9ad8\u901f\u6570\u5b57\u7535\u8def\u7684\u5e94\u7528\u4e2d\uff0c\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u81f3\u5173\u91cd\u8981\uff0c\u5c24\u5176\u5728\u901a\u4fe1\u7f51\u7edc\u548c\u8ba1\u7b97\u673a\u9886\u57df\u3002\u65e0\u8bba\u662f\u901a\u4fe1\u7f51\u7edc\u8fd8\u662f\u8ba1\u7b97\u673a\u5e94\u7528\uff0c\u90fd\u9700\u8981\u5904\u7406\u9ad8\u9891\u7387\u7684\u4fe1\u53f7\u3002\u5728\u8fd9\u65b9\u9762\uff0c\u56fd\u5916\u6709\u8bb8\u591a\u4f18\u79c0\u7684\u6280\u672f\u4e66\u7c4d\u548c\u8d44\u6599\u53ef\u4f9b\u53c2\u8003\u3002\u8fd9\u4e9b\u8d44\u6e90\u5305\u62ec\u5173\u4e8e\u9ad8\u901f\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u3001\u4fe1\u53f7\u5b8c\u6574\u6027\u548cEMI\uff08\u7535\u78c1\u5e72\u6270\uff09\u63a7\u5236\u7b49\u65b9\u9762\u7684\u4e66\u7c4d\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u56fe\u4e66\u9986\u3001\u5728\u7ebf\u4e66\u5e97\u4ee5\u53ca\u7535\u5b50\u4e66\u6765\u83b7\u53d6\u8fd9\u4e9b\u5b9d\u8d35\u7684\u8d44\u6e90\uff0c\u4ee5\u63d0\u5347\u81ea\u5df1\u5728\u9ad8\u901f\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u9886\u57df\u7684\u77e5\u8bc6\u548c\u6280\u80fd\u3002<\/p>\n<h2><strong>17\u3001\u7279\u6027\u963b\u6297\u516c\u5f0f<\/strong><\/h2>\n<p>\u5728\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u4e2d\uff0c<a href=\"\/capabilities\/\">\u7279\u6027\u963b\u6297<\/a>\u662f\u4e00\u4e2a\u5173\u952e\u53c2\u6570\uff0c\u5f71\u54cd\u7740\u4fe1\u53f7\u7684\u4f20\u8f93\u8d28\u91cf\u3002\u4ee5\u4e0b\u662f\u4e24\u4e2a\u5e38\u7528\u7684\u7279\u6027\u963b\u6297\u516c\u5f0f\uff1a<\/p>\n<p><strong>\u5fae\u5e26\u7ebf\uff08microstrip\uff09\uff1a<\/strong> Z = {87\/[sqrt(Er+1.41)]}ln[5.98H\/(0.8W+T)]<\/p>\n<p>\u5176\u4e2d\uff0cW\u4e3a\u7ebf\u5bbd\uff0cT\u4e3a\u8d70\u7ebf\u7684\u94dc\u76ae\u539a\u5ea6\uff0cH\u4e3a\u8d70\u7ebf\u5230\u53c2\u8003\u5e73\u9762\u7684\u8ddd\u79bb\uff0cEr\u662f\u5370\u5237\u7535\u8def\u677f\u6750\u8d28\u7684\u4ecb\u7535\u5e38\u6570\u3002\u8fd9\u4e2a\u516c\u5f0f\u9002\u7528\u4e8e0.1 &lt; (W\/H) &lt; 2.0\u548c1 &lt; (Er) &lt; 15\u7684\u60c5\u51b5\u3002<\/p>\n<p><strong>\u5e26\u72b6\u7ebf\uff08stripline\uff09\uff1a<\/strong> Z = [60\/sqrt(Er)]ln{4H\/[0.67\u03c0(T+0.8W)]}<\/p>\n<p>\u5176\u4e2d\uff0cH\u4e3a\u4e24\u53c2\u8003\u5e73\u9762\u7684\u8ddd\u79bb\uff0c\u5e76\u4e14\u8d70\u7ebf\u4f4d\u4e8e\u4e24\u53c2\u8003\u5e73\u9762\u7684\u4e2d\u95f4\u3002\u8fd9\u4e2a\u516c\u5f0f\u9002\u7528\u4e8eW\/H &lt; 0.35\u548cT\/H &lt; 0.25\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u7279\u6027\u963b\u6297\u516c\u5f0f\u662f\u9ad8\u901f\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u4e2d\u7684\u5173\u952e\u4e00\u6b65\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u786e\u4fdd\u4fe1\u53f7\u7684\u7a33\u5b9a\u4f20\u8f93\u3002<\/p>\n<h2>\u8fdb\u9636\uff1a\u5dee\u5206\u5bf9\u8bbe\u8ba1\u5bb9\u6613\u505a\u9519\u7684\u56db\u4ef6\u4e8b<\/h2>\n<p>\u5dee\u5206\u4fe1\u53f7\u9760\u4e24\u6839\u7ebf\u4e4b\u95f4\u7684\u8026\u5408\u5de5\u4f5c\uff0c\u4efb\u4f55\u7834\u574f\u5bf9\u79f0\u6027\u7684\u505a\u6cd5\u90fd\u4f1a\u524a\u5f31\u5b83\u7684\u4f18\u52bf\u3002\u5b9e\u9645\u8bbe\u8ba1\u4e2d\u6700\u5e38\u89c1\u7684\u56db\u4e2a\u9519\u8bef\u662f\uff1a<\/p>\n<ol>\n<li><strong>\u5728\u4e24\u7ebf\u4e4b\u95f4\u52a0\u5730\u7ebf<\/strong>\uff1a\u76f4\u63a5\u7834\u574f\u8026\u5408\uff0c\u5dee\u5206\u963b\u6297\u4e0e\u56de\u6d41\u8def\u5f84\u540c\u65f6\u6539\u53d8\uff0c\u8fd9\u662f\u6700\u5178\u578b\u7684\u9519\u8bef\uff1b<\/li>\n<li><strong>\u4e24\u7ebf\u957f\u5ea6\u4e0d\u7b49\u53c8\u4e0d\u505a\u8865\u507f<\/strong>\uff1a\u957f\u5ea6\u5dee\u4f1a\u8f6c\u5316\u4e3a\u76f8\u4f4d\u5dee\uff0c\u5171\u6a21\u6291\u5236\u80fd\u529b\u4e0b\u964d\uff0c\u8fd8\u4f1a\u4ea7\u751f\u5171\u6a21\u8f90\u5c04\uff1b<\/li>\n<li><strong>\u95f4\u8ddd\u5ffd\u5bbd\u5ffd\u7a84<\/strong>\uff1a\u5dee\u5206\u963b\u6297\u968f\u95f4\u8ddd\u53d8\u5316\uff0c\u95f4\u8ddd\u7a81\u53d8\u5904\u5c31\u662f\u963b\u6297\u7a81\u53d8\u70b9\uff0c\u4f1a\u4ea7\u751f\u53cd\u5c04\uff1b<\/li>\n<li><strong>\u6362\u5c42\u65f6\u53ea\u6253\u4e00\u4e2a\u5730\u8fc7\u5b54<\/strong>\uff1a\u4e24\u4e2a\u7f51\u7edc\u90fd\u8981\u6362\u5c42\uff0c\u56de\u6d41\u8def\u5f84\u4e5f\u8981\u8ddf\u7740\u6362\u5c42\uff0c\u5730\u8fc7\u5b54\u5e94\u6210\u5bf9\u653e\u7f6e\u3002<\/li>\n<\/ol>\n<p>\u5173\u4e8e\u7b49\u957f\u8865\u507f\u7684\u505a\u6cd5\u4e5f\u6709\u8bb2\u7a76\uff1a\u8865\u507f\u5e94\u653e\u5728<strong>\u957f\u5ea6\u5dee\u4ea7\u751f\u7684\u90a3\u4e00\u7aef\u9644\u8fd1<\/strong>\uff0c\u800c\u4e0d\u662f\u96c6\u4e2d\u5728\u672b\u7aef\u7ed5\u4e00\u5927\u6bb5\u86c7\u5f62\u7ebf\uff1b\u86c7\u5f62\u7ebf\u7684\u7ebf\u6bb5\u95f4\u8ddd\u8981\u8db3\u591f\u5927\uff0c\u5426\u5219\u86c7\u5f62\u6bb5\u81ea\u8eab\u4f1a\u4ea7\u751f\u4e32\u6270\uff0c\u628a\u95ee\u9898\u6362\u4e2a\u5f62\u5f0f\u53c8\u5e26\u4e86\u56de\u6765\u3002<\/p>\n<ul>\n<li><strong>\u7d27\u8026\u5408\u4f18\u5148<\/strong>\uff1a\u5728\u6ee1\u8db3\u52a0\u5de5\u80fd\u529b\u7684\u524d\u63d0\u4e0b\uff0c\u4e24\u7ebf\u5c3d\u91cf\u9760\u8fd1\uff0c\u6297\u5e72\u6270\u80fd\u529b\u66f4\u5f3a\uff1b<\/li>\n<li><strong>\u5168\u7a0b\u540c\u5c42<\/strong>\uff1a\u5c3d\u91cf\u907f\u514d\u5dee\u5206\u5bf9\u4e2d\u9014\u6362\u5c42\uff0c\u6362\u5c42\u5fc5\u7136\u5f15\u5165\u4e0d\u5bf9\u79f0\uff1b<\/li>\n<li><strong>\u8fdc\u79bb\u5176\u5b83\u4fe1\u53f7<\/strong>\uff1a\u4e0e\u5176\u5b83\u7f51\u7edc\u4fdd\u6301\u8db3\u591f\u95f4\u8ddd\uff0c\u907f\u514d\u5916\u90e8\u4e32\u6270\u7834\u574f\u5dee\u5206\u5e73\u8861\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" class=\"alignnone size-large wp-image-6520\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/what-is-pcb-impedance.jpg\" alt=\"PCB\u963b\u6297\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/what-is-pcb-impedance.jpg 1280w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/what-is-pcb-impedance-300x169.jpg 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/what-is-pcb-impedance-1024x576.jpg 1024w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/what-is-pcb-impedance-768x432.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u5355\u7aef\u4e0e\u5dee\u5206\u7684\u5e03\u7ebf\u89c4\u5219\u89c1<a href=\"\/blog\/pcb-wiring-rules-for-single-ended-and-differential-signals\/\">\u5355\u7aef\u548c\u5dee\u5206\u4fe1\u53f7\u7684PCB\u5e03\u7ebf\u89c4\u5219<\/a>\uff1b\u963b\u6297\u7684\u5f71\u54cd\u56e0\u7d20\u89c1<a href=\"\/blog\/factors-affecting-pcb-impedance\/\">\u5f71\u54cdPCB\u963b\u6297\u76844\u4e2a\u4e3b\u8981\u56e0\u7d20<\/a>\u3002<\/p>\n<h2><strong>18\u3001\u5dee\u5206\u4fe1\u53f7\u7ebf\u4e2d\u7684\u5730\u7ebf<\/strong><\/h2>\n<p>\u5728\u5dee\u5206\u4fe1\u53f7\u7ebf\u8bbe\u8ba1\u4e2d\uff0c\u4e2d\u95f4\u4e00\u822c\u662f\u4e0d\u80fd\u52a0\u5165\u5730\u7ebf\u7684\u3002\u8fd9\u662f\u56e0\u4e3a\u5dee\u5206\u4fe1\u53f7\u7684\u5de5\u4f5c\u539f\u7406\u4e4b\u4e00\u662f\u5229\u7528\u5dee\u5206\u4fe1\u53f7\u4e4b\u95f4\u7684\u76f8\u4e92\u8026\u5408\uff0c\u4ece\u800c\u83b7\u5f97\u4e00\u4e9b\u4f18\u70b9\uff0c\u5982\u566a\u58f0\u62b5\u6d88\u548c\u66f4\u597d\u7684\u4fe1\u53f7\u5b8c\u6574\u6027\u3002\u5982\u679c\u5728\u4e2d\u95f4\u6dfb\u52a0\u5730\u7ebf\uff0c\u5c06\u4f1a\u7834\u574f\u8fd9\u79cd\u8026\u5408\u6548\u5e94\uff0c\u964d\u4f4e\u5dee\u5206\u4fe1\u53f7\u7ebf\u7684\u6027\u80fd\u3002<\/p>\n<h2><strong>19\u3001\u521a\u67d4\u677f\u8bbe\u8ba1\u4e0e\u52a0\u5de5<\/strong><\/h2>\n<p>\u521a\u67d4\u677f\uff08Rigid-Flex PCB\uff09\u662f\u4e00\u79cd\u7ed3\u5408\u4e86\u521a\u6027\u548c\u67d4\u6027\u90e8\u5206\u7684\u5370\u5237\u7535\u8def\u677f\uff0c\u5e38\u89c1\u4e8e\u9700\u8981\u5f2f\u66f2\u6216\u6298\u53e0\u7684\u5e94\u7528\u4e2d\u3002\u8bbe\u8ba1\u521a\u67d4\u677f\u53ef\u4ee5\u4f7f\u7528\u4e00\u822c\u7684PCB\u8bbe\u8ba1\u8f6f\u4ef6\uff0c\u7136\u540e\u5c06\u8bbe\u8ba1\u6587\u4ef6\u4ee5Gerber\u683c\u5f0f\u63d0\u4f9b\u7ed9\u521a\u67d4\u677f\u5382\u5546\u8fdb\u884c\u751f\u4ea7\u3002\u4e0d\u8fc7\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4e0d\u540c\u7684\u521a\u67d4\u677f\u5382\u5546\u53ef\u80fd\u4f1a\u5bf9\u6700\u5c0f\u7ebf\u5bbd\u3001\u6700\u5c0f\u7ebf\u8ddd\u548c\u6700\u5c0f\u5b54\u5f84\u7b49\u65b9\u9762\u6709\u4e0d\u540c\u7684\u5236\u9020\u9650\u5236\u3002\u6b64\u5916\uff0c\u5728\u521a\u67d4\u677f\u7684\u5f2f\u66f2\u90e8\u4f4d\uff0c\u901a\u5e38\u9700\u8981\u989d\u5916\u7684\u94dc\u76ae\u4ee5\u589e\u5f3a\u5176\u8010\u7528\u6027\u3002<\/p>\n<h2><strong>20\u3001\u5370\u5237\u7535\u8def\u677f\u4e0e\u5916\u58f3\u63a5\u5730<\/strong><\/h2>\n<p>\u9009\u62e9\u5370\u5237\u7535\u8def\u677f\u4e0e\u5916\u58f3\u7684\u63a5\u5730\u70b9\u9700\u8981\u6839\u636e\u7535\u6d41\u56de\u6d41\u8def\u5f84\u548c\u4fe1\u53f7\u4f20\u8f93\u9700\u6c42\u6765\u51b3\u5b9a\u3002\u8fd9\u901a\u5e38\u662f\u4e3a\u4e86\u63d0\u4f9b\u4f4e\u963b\u6297\u7684\u8def\u5f84\uff0c\u4ee5\u786e\u4fdd\u56de\u6d41\u7535\u6d41\u80fd\u591f\u6709\u6548\u5730\u8fd4\u56de\uff0c\u540c\u65f6\u63a7\u5236\u5176\u8def\u5f84\uff0c\u51cf\u5c11\u7535\u78c1\u8f90\u5c04\u3002\u5728\u9ad8\u9891\u5668\u4ef6\u6216\u65f6\u949f\u53d1\u751f\u5668\u9644\u8fd1\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528\u87ba\u4e1d\u5c06\u5370\u5237\u7535\u8def\u677f\u7684\u5730\u5c42\u8fde\u63a5\u5230\u5916\u58f3\uff0c\u4ee5\u6700\u5c0f\u5316\u7535\u6d41\u56de\u8def\u7684\u9762\u79ef\uff0c\u4ece\u800c\u964d\u4f4e\u7535\u78c1\u5e72\u6270\u7684\u98ce\u9669\u3002<\/p>\n<h2>\u8fdb\u9636\uff1a\u4fe1\u53f7\u5b8c\u6574\u6027\u8981\u76ef\u4f4f\u7684\u4e94\u7c7b\u95ee\u9898<\/h2>\n<div class=\"jp-tw\">\n<table>\n<thead>\n<tr>\n<th>\u95ee\u9898<\/th>\n<th>\u8868\u73b0<\/th>\n<th>\u4e3b\u8981\u5bf9\u7b56<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u53cd\u5c04<\/td>\n<td>\u8fc7\u51b2\u3001\u632f\u94c3\u3001\u53f0\u9636<\/td>\n<td>\u963b\u6297\u5339\u914d\u4e0e\u7aef\u63a5<\/td>\n<\/tr>\n<tr>\n<td>\u4e32\u6270<\/td>\n<td>\u90bb\u8fd1\u7f51\u7edc\u51fa\u73b0\u611f\u5e94\u566a\u58f0<\/td>\n<td>\u62c9\u5f00\u95f4\u8ddd\u3001\u7f29\u77ed\u5e73\u884c\u6bb5\u3001\u52a0\u5730\u7ebf\u5c4f\u853d<\/td>\n<\/tr>\n<tr>\n<td>\u65f6\u5e8f\u504f\u79fb<\/td>\n<td>\u5efa\u7acb\u4fdd\u6301\u65f6\u95f4\u4e0d\u8db3<\/td>\n<td>\u7b49\u957f\u5339\u914d\u3001\u63a7\u5236\u8fc7\u5b54\u6570\u91cf<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u6e90\u5b8c\u6574\u6027<\/td>\n<td>\u82af\u7247\u4f9b\u7535\u6ce2\u52a8\u3001\u5730\u5f39<\/td>\n<td>\u53bb\u8026\u7535\u5bb9\u5e03\u5c40\u3001\u964d\u4f4e\u5e73\u9762\u963b\u6297<\/td>\n<\/tr>\n<tr>\n<td>\u635f\u8017\u4e0e\u8870\u51cf<\/td>\n<td>\u9ad8\u9891\u5206\u91cf\u88ab\u5403\u6389\u3001\u773c\u56fe\u95ed\u5408<\/td>\n<td>\u4f4e\u635f\u8017\u6750\u6599\u3001\u7f29\u77ed\u8d70\u7ebf\u3001\u9884\u52a0\u91cd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u8fd9\u4e94\u7c7b\u95ee\u9898\u5e76\u975e\u5b64\u7acb\uff1a<strong>\u7535\u6e90\u5b8c\u6574\u6027\u5dee\u4f1a\u76f4\u63a5\u8868\u73b0\u4e3a\u4fe1\u53f7\u5b8c\u6574\u6027\u5dee<\/strong>\u3002\u5f88\u591a\u770b\u4f3c\u83ab\u540d\u5176\u5999\u7684\u6296\u52a8\uff0c\u8ffd\u5230\u6700\u540e\u662f\u53bb\u8026\u4e0d\u8db3\u5bfc\u81f4\u7684\u5730\u5f39\u3002\u56e0\u6b64\u5728\u6392\u67e5\u987a\u5e8f\u4e0a\uff0c\u901a\u5e38\u5efa\u8bae\u5148\u786e\u8ba4\u7535\u6e90\u4e0e\u5730\u7684\u8d28\u91cf\uff0c\u518d\u770b\u4fe1\u53f7\u672c\u8eab\u3002<\/p>\n<ul>\n<li><strong>\u5148\u7535\u6e90\u540e\u4fe1\u53f7<\/strong>\uff1a\u786e\u8ba4\u5e73\u9762\u963b\u6297\u4e0e\u53bb\u8026\u662f\u5426\u5230\u4f4d\uff0c\u518d\u5206\u6790\u8d70\u7ebf\uff1b<\/li>\n<li><strong>\u5148\u770b\u773c\u56fe\u518d\u770b\u6ce2\u5f62<\/strong>\uff1a\u773c\u56fe\u80fd\u540c\u65f6\u53cd\u6620\u6296\u52a8\u3001\u566a\u58f0\u4e0e\u5e45\u5ea6\u95ee\u9898\uff0c\u4fe1\u606f\u5bc6\u5ea6\u66f4\u9ad8\uff1b<\/li>\n<li><strong>\u5206\u6bb5\u5b9a\u4f4d<\/strong>\uff1a\u628a\u94fe\u8def\u6309\u6bb5\u9694\u79bb\u6d4b\u8bd5\uff0c\u6bd4\u6574\u94fe\u8def\u6392\u67e5\u6548\u7387\u9ad8\u5f97\u591a\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" class=\"alignnone size-large wp-image-6637\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-backplane-design-techniques.jpg\" alt=\"\u9ad8\u901f\u80cc\u677f\u8bbe\u8ba1\u6280\u5de7\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-backplane-design-techniques.jpg 1280w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-backplane-design-techniques-300x169.jpg 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-backplane-design-techniques-1024x576.jpg 1024w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-backplane-design-techniques-768x432.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u80cc\u677f\u573a\u666f\u7684\u8bbe\u8ba1\u6280\u5de7\u89c1<a href=\"\/blog\/high-speed-backplane-design-techniques\/\">\u9ad8\u901f\u80cc\u677f\u8bbe\u8ba1\u6280\u5de7<\/a>\uff1b\u5206\u5c42\u5806\u53e0\u4e0e EMI \u7684\u5173\u7cfb\u89c1<a href=\"\/blog\/pcb-layered-stacking-design-suppresses-emi\/\">PCB\u5206\u5c42\u5806\u53e0\u8bbe\u8ba1\u5728\u6291\u5236EMI\u4e0a\u7684\u4f5c\u7528<\/a>\u3002<\/p>\n<p>\u901a\u8fc7\u4e86\u89e3\u8fd9\u4e9b\u95ee\u9898\uff0c\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u5e94\u5bf9\u9ad8\u901f\u3001\u9ad8\u5bc6\u5ea6\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u4e2d\u7684\u6311\u6218\uff0c\u63d0\u9ad8\u8bbe\u8ba1\u7684\u8d28\u91cf\u548c\u53ef\u9760\u6027\u3002<\/p>\n<hr \/>\n<h2>\u8fdb\u9636\uff1a\u963b\u6297\u63a7\u5236\u843d\u5730\u7684\u4e94\u4e2a\u6b65\u9aa4<\/h2>\n<p>\u516c\u5f0f\u7b97\u51fa\u6765\u7684\u963b\u6297\u53ea\u662f\u8d77\u70b9\uff0c\u771f\u6b63\u505a\u51fa\u5408\u683c\u7684\u963b\u6297\u677f\u8981\u7ecf\u8fc7\u4e00\u8f6e\u95ed\u73af\uff1a<\/p>\n<ol>\n<li><strong>\u786e\u5b9a\u76ee\u6807\u963b\u6297\u4e0e\u5bb9\u5dee<\/strong>\uff1a\u5e38\u89c1\u5355\u7aef 50 \u03a9\u3001\u5dee\u5206 90 \u03a9 \u6216 100 \u03a9\uff0c\u5bb9\u5dee\u591a\u4e3a \u00b110%\uff0c\u9ad8\u901f\u63a5\u53e3\u53ef\u6536\u7d27\u5230 \u00b17%\uff1b<\/li>\n<li><strong>\u7531\u677f\u5382\u63d0\u4f9b\u53e0\u6784<\/strong>\uff1a\u677f\u6750\u578b\u53f7\u3001\u4ecb\u8d28\u539a\u5ea6\u3001\u94dc\u539a\u90fd\u7531\u677f\u5382\u7684\u5b9e\u9645\u7269\u6599\u51b3\u5b9a\uff0c\u4e0d\u8981\u81ea\u884c\u5047\u8bbe\uff1b<\/li>\n<li><strong>\u6309\u53e0\u6784\u53cd\u7b97\u7ebf\u5bbd<\/strong>\uff1a\u7528\u573a\u6c42\u89e3\u5668\u800c\u975e\u4ec5\u9760\u7ecf\u9a8c\u516c\u5f0f\uff0c\u4e24\u8005\u5728\u539a\u94dc\u4e0e\u7ec6\u7ebf\u573a\u5408\u5dee\u5f02\u660e\u663e\uff1b<\/li>\n<li><strong>\u5728\u677f\u4e0a\u653e\u7f6e\u963b\u6297\u6d4b\u8bd5\u6761<\/strong>\uff1a\u628a\u5173\u952e\u963b\u6297\u7ebf\u505a\u6210 coupon\uff0c\u4e0e\u677f\u540c\u6279\u5236\u4f5c\uff1b<\/li>\n<li><strong>\u5b9e\u6d4b\u53cd\u9988\u4fee\u6b63<\/strong>\uff1a\u9996\u677f\u56de\u6765\u6d4b TDR\uff0c\u628a\u504f\u5dee\u53cd\u9988\u7ed9\u677f\u5382\u8c03\u6574\u7ebf\u5bbd\u6216\u4ecb\u8d28\u539a\u5ea6\u3002<\/li>\n<\/ol>\n<p>\u7b2c 2 \u6761\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u3002\u8bbe\u8ba1\u7aef\u81ea\u884c\u8bbe\u5b9a\u7684\u4ecb\u8d28\u539a\u5ea6\u5728\u677f\u5382\u53ef\u80fd\u6ca1\u6709\u5bf9\u5e94\u7269\u6599\uff0c\u7b49\u5230\u6295\u677f\u624d\u53d1\u73b0\u53e0\u6784\u505a\u4e0d\u51fa\u6765\uff0c\u53ea\u80fd\u8fd4\u5de5\u3002<strong>\u8bbe\u8ba1\u51bb\u7ed3\u524d\u5148\u62ff\u5230\u677f\u5382\u7684\u53e0\u6784\u8868<\/strong>\uff0c\u662f\u7701\u65f6\u95f4\u6700\u6709\u6548\u7684\u4e00\u6b65\u3002<\/p>\n<ul>\n<li><strong>\u8fc7\u5b54\u4e5f\u8981\u7b97<\/strong>\uff1a\u9ad8\u901f\u94fe\u8def\u4e0a\u7684\u8fc7\u5b54\u5e26\u6765 stub \u4e0e\u963b\u6297\u4e0d\u8fde\u7eed\uff0c\u5173\u952e\u94fe\u8def\u8981\u63a7\u5236\u6b8b\u6869\u957f\u5ea6\u6216\u505a\u80cc\u94bb\uff1b<\/li>\n<li><strong>\u53c2\u8003\u5e73\u9762\u8981\u8fde\u7eed<\/strong>\uff1a\u963b\u6297\u7684\u524d\u63d0\u662f\u56de\u6d41\u8def\u5f84\u660e\u786e\uff0c\u8de8\u5206\u5272\u7684\u8d70\u7ebf\u963b\u6297\u65e0\u4ece\u8c08\u8d77\uff1b<\/li>\n<li><strong>\u7eff\u6cb9\u4f1a\u5f71\u54cd\u963b\u6297<\/strong>\uff1a\u5916\u5c42\u8d70\u7ebf\u8868\u9762\u7684\u963b\u710a\u5c42\u4f1a\u7565\u5fae\u964d\u4f4e\u963b\u6297\uff0c\u9ad8\u7cbe\u5ea6\u8981\u6c42\u65f6\u8981\u4e00\u5e76\u7eb3\u5165\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"608\" class=\"alignnone size-large wp-image-8721\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via.jpg\" alt=\"\u9ad8\u901fPCB\u8bbe\u8ba1\u4e4b\u8fc7\u5b54\u6ce8\u610f\u4e8b\u9879\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via.jpg 1080w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via-300x169.jpg 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via-1024x576.jpg 1024w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/high-speed-pcb-design-via-768x432.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/p>\n<p>\u963b\u6297\u4e0e\u635f\u8017\u7684\u7cfb\u7edf\u8bf4\u660e\u89c1<a href=\"\/blog\/impedance-and-loss-of-pcb\/\">PCB\u963b\u6297\u548c\u635f\u8017\u5bf9\u4fe1\u53f7\u7684\u5f71\u54cd<\/a>\uff1b\u9ad8\u9891\u5e03\u7ebf\u6280\u5de7\u89c1<a href=\"\/blog\/12-high-frequency-pcb-design-tips\/\">12\u4e2a\u9ad8\u9891PCB\u7535\u8def\u677f\u8bbe\u8ba1\u5e03\u7ebf\u5173\u952e\u6280\u5de7<\/a>\u3002<\/p>\n<h2><strong>\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/strong><\/h2>\n<h3><strong>\u95ee\u9898 16\uff1a\u6709\u54ea\u4e9b\u56fd\u5916\u5173\u4e8e\u9ad8\u901f\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u7684\u6280\u672f\u4e66\u7c4d\u548c\u8d44\u6599\u53ef\u4ee5\u53c2\u8003\uff1f<\/strong><\/h3>\n<p>\u9ad8\u901f\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u7684\u6280\u672f\u4e66\u7c4d\u548c\u8d44\u6599\u4e30\u5bcc\u591a\u6837\uff0c\u53ef\u4f9b\u53c2\u8003\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u5728\u7ebf\u4e66\u5e97\u6216\u56fe\u4e66\u9986\u67e5\u627e\u8fd9\u4e9b\u8d44\u6e90\uff0c\u4ee5\u63d0\u5347\u81ea\u5df1\u7684\u77e5\u8bc6\u6c34\u5e73\u3002<\/p>\n<h3><strong>\u95ee\u9898 17\uff1a\u7279\u6027\u963b\u6297\u516c\u5f0f\u6709\u54ea\u4e9b\uff1f<\/strong><\/h3>\n<p>\u7279\u6027\u963b\u6297\u516c\u5f0f\u5305\u62ec\u5fae\u5e26\u7ebf\u548c\u5e26\u72b6\u7ebf\u4e24\u79cd\uff0c\u5b83\u4eec\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u8bbe\u8ba1\u60c5\u5883\u3002\u6b63\u786e\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u516c\u5f0f\u5bf9\u4e8e\u8bbe\u8ba1\u9ad8\u901f\u5370\u5237\u7535\u8def\u677f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3><strong>\u95ee\u9898 18\uff1a\u4e3a\u4ec0\u4e48\u5dee\u5206\u4fe1\u53f7\u7ebf\u4e2d\u95f4\u4e0d\u80fd\u52a0\u5165\u5730\u7ebf\uff1f<\/strong><\/h3>\n<p>\u5dee\u5206\u4fe1\u53f7\u7ebf\u7684\u6027\u80fd\u4f9d\u8d56\u4e8e\u4fe1\u53f7\u4e4b\u95f4\u7684\u76f8\u4e92\u8026\u5408\u6548\u5e94\uff0c\u52a0\u5165\u5730\u7ebf\u4f1a\u7834\u574f\u8fd9\u79cd\u6548\u5e94\uff0c\u964d\u4f4e\u4fe1\u53f7\u7684\u8d28\u91cf\u3002<\/p>\n<h3><strong>\u95ee\u9898 19\uff1a\u521a\u67d4\u677f\u8bbe\u8ba1\u9700\u8981\u54ea\u4e9b\u7279\u6b8a\u7684\u8f6f\u4ef6\u548c\u89c4\u8303\uff1f\u56fd\u5185\u54ea\u91cc\u53ef\u4ee5\u52a0\u5de5\u521a\u67d4\u677f\uff1f<\/strong><\/h3>\n<p>\u521a\u67d4\u677f\u8bbe\u8ba1\u53ef\u4ee5\u4f7f\u7528\u4e00\u822c\u7684PCB\u8bbe\u8ba1\u8f6f\u4ef6\uff0c\u5e76\u5c06\u8bbe\u8ba1\u6587\u4ef6\u63d0\u4f9b\u7ed9\u521a\u67d4\u677f\u5382\u5546\u8fdb\u884c\u52a0\u5de5\u3002\u4e0d\u540c\u5382\u5546\u53ef\u80fd\u4f1a\u6709\u4e0d\u540c\u7684\u5236\u9020\u9650\u5236\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u5382\u5546\u3002<\/p>\n<h3><strong>\u95ee\u9898 20\uff1a\u5982\u4f55\u9009\u62e9\u5370\u5237\u7535\u8def\u677f\u4e0e\u5916\u58f3\u7684\u63a5\u5730\u70b9\uff1f<\/strong><\/h3>\n<p>\u9009\u62e9\u63a5\u5730\u70b9\u9700\u8981\u8003\u8651\u7535\u6d41\u56de\u6d41\u8def\u5f84\u548c\u4fe1\u53f7\u4f20\u8f93\u9700\u6c42\uff0c\u4ee5\u63d0\u4f9b\u4f4e\u963b\u6297\u7684\u8def\u5f84\uff0c\u5e76\u63a7\u5236\u56de\u6d41\u7535\u6d41\u7684\u8def\u5f84\uff0c\u51cf\u5c11\u7535\u78c1\u8f90\u5c04\u3002\u901a\u5e38\u5728\u9ad8\u9891\u5668\u4ef6\u6216\u65f6\u949f\u53d1\u751f\u5668\u9644\u8fd1\u9009\u62e9\u63a5\u5730\u70b9\u3002<\/p>\n<h3>\u95ee\u9898 21\uff1a\u591a\u5c42\u677f\u7684\u5c42\u6570\u662f\u8d8a\u591a\u8d8a\u597d\u5417\uff1f<\/h3>\n<p>\u4e0d\u662f\u3002\u5c42\u6570\u589e\u52a0\u5e26\u6765\u5e03\u7ebf\u8d44\u6e90\u4e0e\u66f4\u597d\u7684\u53c2\u8003\u5e73\u9762\uff0c\u4f46\u6210\u672c\u3001\u4ea4\u671f\u4e0e\u538b\u5408\u96be\u5ea6\u540c\u6b65\u4e0a\u5347\u3002\u5224\u65ad\u4f9d\u636e\u662f BGA \u6247\u51fa\u9700\u6c42\u3001\u9ad8\u901f\u4fe1\u53f7\u6570\u91cf\u4e0e\u7535\u6e90\u8f68\u6570\u91cf\uff1b\u591f\u7528\u5373\u53ef\uff0c\u8fc7\u591a\u5c42\u6570\u53ea\u662f\u6d6a\u8d39\u3002<\/p>\n<h3>\u95ee\u9898 22\uff1a\u4ec0\u4e48\u65f6\u5019\u9700\u8981\u80cc\u94bb\uff1f<\/h3>\n<p>\u5f53\u4fe1\u53f7\u901f\u7387\u8fdb\u5165\u6570 Gbps \u91cf\u7ea7\u3001\u4e14\u8fc7\u5b54\u6b8b\u6869\u957f\u5ea6\u63a5\u8fd1\u4fe1\u53f7\u6709\u6548\u957f\u5ea6\u7684\u663e\u8457\u6bd4\u4f8b\u65f6\uff0c\u6b8b\u6869\u4f1a\u5f62\u6210\u8c10\u632f\u7ed3\u6784\u5e76\u9020\u6210\u63d2\u5165\u635f\u8017\u51f9\u9677\u3002\u6b64\u65f6\u5e94\u8003\u8651\u80cc\u94bb\u6216\u6539\u7528\u76f2\u5b54\uff0c\u5177\u4f53\u6b8b\u6869\u5141\u8bb8\u503c\u9700\u7ed3\u5408\u901f\u7387\u4e0e\u53e0\u6784\u8bc4\u4f30\u3002<\/p>\n<h3>\u95ee\u9898 23\uff1a\u7aef\u63a5\u7535\u963b\u8be5\u653e\u5728\u54ea\u4e00\u7aef\uff1f<\/h3>\n<p>\u70b9\u5bf9\u70b9\u7684\u4e32\u8054\u7aef\u63a5\u901a\u5e38\u653e\u5728\u9a71\u52a8\u7aef\u9644\u8fd1\uff0c\u5e76\u8054\u7aef\u63a5\u653e\u5728\u63a5\u6536\u7aef\u3002\u603b\u7ebf\u578b\u62d3\u6251\u5219\u8981\u6309\u5b9e\u9645\u62d3\u6251\u9009\u62e9\uff0c\u5fc5\u8981\u65f6\u4e24\u7aef\u90fd\u505a\u7aef\u63a5\u3002\u7aef\u63a5\u4f4d\u7f6e\u9519\u8bef\u4f1a\u524a\u5f31\u5339\u914d\u6548\u679c\uff0c\u751a\u81f3\u4f7f\u53cd\u5c04\u66f4\u4e25\u91cd\u3002<\/p>\n<h3>\u95ee\u9898 24\uff1a\u86c7\u5f62\u7b49\u957f\u7ebf\u4f1a\u4e0d\u4f1a\u5f15\u5165\u65b0\u95ee\u9898\uff1f<\/h3>\n<p>\u4f1a\u3002\u86c7\u5f62\u6bb5\u81ea\u8eab\u5b58\u5728\u8026\u5408\uff0c\u95f4\u8ddd\u8fc7\u5c0f\u65f6\u4f1a\u5f62\u6210\u81ea\u4e32\u6270\uff0c\u5bfc\u81f4\u4fe1\u53f7\u5728\u86c7\u5f62\u6bb5\u5185\u4f20\u64ad\u901f\u5ea6\u6539\u53d8\uff0c\u53cd\u800c\u7834\u574f\u7b49\u957f\u6548\u679c\u3002\u7ecf\u9a8c\u505a\u6cd5\u662f\u86c7\u5f62\u6bb5\u95f4\u8ddd\u4e0d\u5c0f\u4e8e\u4e09\u500d\u7ebf\u5bbd\uff0c\u5e76\u5c3d\u91cf\u628a\u8865\u507f\u6bb5\u653e\u5728\u94fe\u8def\u672b\u7aef\u4e4b\u5916\u3002<\/p>\n<h3>\u95ee\u9898 25\uff1a\u521a\u67d4\u677f\u7684\u5f2f\u6298\u533a\u80fd\u8d70\u9ad8\u901f\u7ebf\u5417\uff1f<\/h3>\n<p>\u53ef\u4ee5\uff0c\u4f46\u8981\u9075\u5faa\u67d4\u6027\u533a\u7684\u4e13\u95e8\u89c4\u5219\uff1a\u8d70\u7ebf\u65b9\u5411\u4e0e\u5f2f\u6298\u65b9\u5411\u5782\u76f4\u3001\u907f\u514d\u628a\u8fc7\u5b54\u653e\u5728\u5f2f\u6298\u533a\u3001\u5fc5\u8981\u65f6\u91c7\u7528\u4ea4\u9519\u8d70\u7ebf\u3002\u6b64\u5916\u67d4\u6027\u533a\u7684\u4ecb\u8d28\u539a\u5ea6\u4e0e\u521a\u6027\u533a\u4e0d\u540c\uff0c\u963b\u6297\u9700\u8981\u5355\u72ec\u8ba1\u7b97\uff0c\u4e0d\u80fd\u6cbf\u7528\u540c\u4e00\u7ebf\u5bbd\u3002<\/p>\n<h3>\u95ee\u9898 26\uff1a\u4eff\u771f\u548c\u5b9e\u6d4b\u5dee\u522b\u5927\u600e\u4e48\u529e\uff1f<\/h3>\n<p>\u5148\u6838\u5bf9\u6a21\u578b\u4e0e\u8fb9\u754c\u6761\u4ef6\uff1a\u5668\u4ef6 IBIS \u6a21\u578b\u662f\u5426\u6b63\u786e\u3001\u53e0\u6784\u53c2\u6570\u662f\u5426\u4e3a\u677f\u5382\u5b9e\u9645\u503c\u3001\u8fc7\u5b54\u6a21\u578b\u662f\u5426\u7b80\u5316\u8fc7\u5ea6\u3002\u591a\u6570\u504f\u5dee\u6765\u81ea\u8fd9\u4e09\u9879\u3002\u82e5\u4eff\u771f\u4e0e\u5b9e\u6d4b\u957f\u671f\u504f\u5dee\uff0c\u5e94\u628a\u5b9e\u6d4b\u6570\u636e\u56de\u586b\u4fee\u6b63\u6a21\u578b\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u653e\u5f03\u4eff\u771f\u3002<\/p>\n<p><strong>\u76f8\u5173\u5de5\u827a<\/strong>\uff1a<a href=\"\/blog\/common-errors-in-printed-circuit-board-design\/\">\u5982\u4f55\u907f\u514d\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u4e2d\u7684\u5e38\u89c1\u9519\u8bef<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5370\u5237\u7535\u8def\u677f\uff08PCB\uff09\u8bbe\u8ba1\u662f\u73b0\u4ee3\u7535\u5b50\u9886\u57df\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5728\u8fd9\u4e00\u7cfb\u5217\u95ee\u7b54\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u4e00\u4e9b\u5173\u4e8e\u9ad8\u901f\u3001\u9ad8\u5bc6\u5ea6\u5370\u5237 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6437,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"\u9ad8\u901fPCB\u8bbe\u8ba1\u6709\u54ea\u4e9b\u95ee\u7b54\uff1f\u7279\u6027\u963b\u6297\u516c\u5f0f\u4e0e\u521a\u67d4\u677f\u8bbe\u8ba1","description":"\u5370\u5237\u7535\u8def\u677f\u8bbe\u8ba1\u95ee\u7b54\u96c6\uff08\u56db\uff09\uff1a\u89e3\u7b54\u7279\u6027\u963b\u6297\u516c\u5f0f\u3001\u5dee\u5206\u7ebf\u4e2d\u7684\u5730\u7ebf\u3001\u521a\u67d4\u677f\u8bbe\u8ba1\u52a0\u5de5\u4e0e\u5916\u58f3\u63a5\u5730\u7b49\u95ee\u9898\u3002\u542b\u5e38\u89c1\u8bef\u533a\u63d0\u9192\uff0c\u5e2e\u52a9\u907f\u5f00\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u7ec6\u8282\u3002"},"_slim_seo_primary_term_category":0,"_slim_seo_primary_term_post_tag":0,"footnotes":""},"categories":[405,26],"tags":[],"class_list":["post-2797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-design","category-blog"],"_links":{"self":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/2797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/comments?post=2797"}],"version-history":[{"count":7,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/2797\/revisions"}],"predecessor-version":[{"id":20075,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/2797\/revisions\/20075"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/media\/6437"}],"wp:attachment":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/media?parent=2797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/categories?post=2797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/tags?post=2797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}