{"id":639,"date":"2026-10-04T20:55:42","date_gmt":"2026-10-04T12:55:42","guid":{"rendered":"https:\/\/jncircuit.com\/?p=639"},"modified":"2026-10-04T20:55:42","modified_gmt":"2026-10-04T12:55:42","slug":"high-speed-pcb-layout-pitfalls","status":"publish","type":"post","link":"https:\/\/jncircuit.com\/index.php\/2026\/10\/04\/high-speed-pcb-layout-pitfalls","title":{"rendered":"\u624b\u628a\u624b\u6559\u4f60\u753b\u9ad8\u901f\u7535\u8def\u677f\uff0c\u6709\u5173\u5e03\u5c40\u7684\u907f\u5751\u6307\u5357"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4e0a\u4e00\u8bb2\u4e3b\u8981\u5206\u6790\u4e86\u9ad8\u901f\u7535\u8def\u677f\u7684\u53e0\u5c42\u5efa\u8bae\uff0c\u5f53\u51b3\u5b9a\u597d\u54ea\u79cd\u5206\u5c42\u65b9\u6848\uff0c\u63a5\u4e0b\u6765\u5c06\u8981\u8003\u8651\u5143\u4ef6\u4ee5\u53ca\u6a21\u5757\u7684\u5e03\u5c40\u4e86\uff0c\u4e0b\u9762\u76f4\u63a5\u4e3e\u4f8b\u5206\u6790\u8bf4\u660e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b1<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"274\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-59f2c0b15ba013392e6aa66decf4f846_720w.jpg\" alt=\"\" class=\"wp-image-640\" style=\"aspect-ratio:2.6314102564102564;width:821px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-59f2c0b15ba013392e6aa66decf4f846_720w.jpg 720w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-59f2c0b15ba013392e6aa66decf4f846_720w-300x114.jpg 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9ad8\u901fPCB\u5e03\u5c40\u8bbe\u8ba1\u65f6\uff0c<strong>\u5e94\u8be5\u5145\u5206\u9075\u5faa\u6cbf\u7740\u4fe1\u53f7\u7684\u6d41\u5411\u76f4\u7ebf\u653e\u7f6e\u5143\u4ef6\u7684\u89c4\u5219<\/strong>\uff0c\u5c3d\u91cf\u907f\u514d\u6765\u56de\u73af\u7ed5\uff0c\u5176\u76ee\u7684\u662f\u4e3a\u4e86\u907f\u514d\u4e0d\u540c\u4fe1\u53f7\u4e4b\u95f4\u7684\u76f4\u63a5\u8026\u5408\uff0c\u5f71\u54cd\u5230\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b2<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"451\" height=\"294\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-3e790c4e608dee9b6af9ef3949b4485b_720w.jpg\" alt=\"\" class=\"wp-image-641\" style=\"aspect-ratio:1.534013605442177;width:451px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-3e790c4e608dee9b6af9ef3949b4485b_720w.jpg 451w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-3e790c4e608dee9b6af9ef3949b4485b_720w-300x196.jpg 300w\" sizes=\"auto, (max-width: 451px) 100vw, 451px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6709\u591a\u79cd\u6a21\u5757\u7535\u8def\u5728\u540c\u4e00\u5757PCB\u677f\u5185\u653e\u7f6e\u65f6\uff0c\u6570\u5b57\u7535\u8def\u4e0e\u6a21\u62df\u7535\u8def\u3001\u9ad8\u901f\u7535\u8def\u4e0e\u4f4e\u901f\u7535\u8def\u5e94\u8be5\u5206\u5f00\u5e03\u5c40\uff0c\u76ee\u7684\u662f\u4e3a\u4e86\u907f\u514d\u8fd9\u4e9b\u4fe1\u53f7\u4e4b\u95f4\u4e92\u76f8\u5e72\u6270\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b3<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"615\" height=\"350\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-4e77585d04b193d76cb0b4c524fcb9b4_720w.jpg\" alt=\"\" class=\"wp-image-642\" style=\"aspect-ratio:1.7571428571428571;width:615px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-4e77585d04b193d76cb0b4c524fcb9b4_720w.jpg 615w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-4e77585d04b193d76cb0b4c524fcb9b4_720w-300x171.jpg 300w\" sizes=\"auto, (max-width: 615px) 100vw, 615px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u5f53\u7535\u8def\u677f\u4e0a\u540c\u65f6\u5b58\u5728\u4f4e\u3001\u4e2d\u3001\u9ad8\u901f\u7535\u8def\u65f6\uff0c\u6a21\u5757\u7535\u8def\u4fe1\u53f7\u7684\u901f\u5ea6\u8d8a\u9ad8\uff0c\u5e94\u5f53\u79bb\u63a5\u53e3\u8d8a\u8fdc\uff0c\u907f\u514d\u9ad8\u9891\u7535\u8def\u566a\u58f0\u901a\u8fc7\u63a5\u53e3\u5411\u5916\u8f90\u5c04\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b4<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"583\" height=\"317\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-40b6bad4476b660aea5ef0435dd63822_720w.jpg\" alt=\"\" class=\"wp-image-643\" style=\"aspect-ratio:1.839116719242902;width:583px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-40b6bad4476b660aea5ef0435dd63822_720w.jpg 583w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-40b6bad4476b660aea5ef0435dd63822_720w-300x163.jpg 300w\" sizes=\"auto, (max-width: 583px) 100vw, 583px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b58\u5728\u8f83\u5927\u7535\u6d41\u53d8\u5316\u7684\u5355\u5143\u7535\u8def\u6216\u5668\u4ef6\uff08\u5982\u7535\u6e90\u6a21\u5757\u7684\u8f93\u5165\u8f93\u51fa\u7aef\u3001\u98ce\u6247\u53ca\u7ee7\u7535\u5668\u7b49\uff09\u9644\u8fd1\u5e94\u8be5\u653e\u7f6e\u50a8\u80fd\u548c\u9ad8\u9891\u6ee4\u6ce2\u7535\u5bb9\uff0c\u50a8\u80fd\u7535\u5bb9\u7684\u5b58\u5728\u53ef\u4ee5\u51cf\u5c0f\u5927\u7535\u6d41\u7684\u56de\u8def\u9762\u79ef\uff0c<strong>\u540c\u65f6\u53ef\u4ee5\u51cf\u5c0f\u7531\u5927\u7535\u6d41\u4ea7\u751f\u7684\u566a\u58f0\u548c\u53d1\u70ed\u91cf<\/strong>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b5<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"468\" height=\"371\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-23a14a520814489300461b3b1f9e3c74_720w.jpg\" alt=\"\" class=\"wp-image-644\" style=\"aspect-ratio:1.261455525606469;width:468px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-23a14a520814489300461b3b1f9e3c74_720w.jpg 468w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-23a14a520814489300461b3b1f9e3c74_720w-300x238.jpg 300w\" sizes=\"auto, (max-width: 468px) 100vw, 468px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7535\u8def\u677f\u7535\u6e90\u8f93\u5165\u63a5\u53e3\u7684\u6ee4\u6ce2\u7535\u5bb9\u5e94\u8be5\u653e\u5728\u9760\u8fd1\u8f93\u5165\u53e3\u7684\u4f4d\u7f6e\uff0c\u76ee\u7684\u662f\u4e3a\u4e86\u907f\u514d\u5df2\u7ecf\u7ecf\u8fc7\u4e86\u6ee4\u6ce2\u7684\u4fe1\u53f7\u518d\u6b21\u88ab\u8026\u5408\uff0c\u56e0\u4e3a\u6709\u90e8\u5206\u566a\u58f0\u8fdb\u5165\u5230\u677f\u5185\uff0c\u53ef\u4ee5\u901a\u8fc7\u677f\u5185\u8026\u5408\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b6<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"567\" height=\"429\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-6acf94f19f2ad1d54f527ab8bdf8507e_720w.jpg\" alt=\"\" class=\"wp-image-645\" style=\"aspect-ratio:1.3216783216783217;width:567px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-6acf94f19f2ad1d54f527ab8bdf8507e_720w.jpg 567w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-6acf94f19f2ad1d54f527ab8bdf8507e_720w-300x227.jpg 300w\" sizes=\"auto, (max-width: 567px) 100vw, 567px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728PCB\u677f\u4e0a\uff0c\u63a5\u53e3\u7535\u8def\u7684\u6ee4\u6ce2\u3001\u9632\u62a4\u4ee5\u53ca\u9694\u79bb\u5668\u4ef6\u5e94\u8be5\u5c3d\u53ef\u80fd\u9760\u8fd1\u63a5\u53e3\u4f4d\u7f6e\u653e\u7f6e\uff0c\u9632\u6b62\u5e72\u6270\u4fe1\u53f7\u5728\u677f\u5185\u8fdb\u884c\u8026\u5408\uff0c\u53ef\u4ee5\u540c\u65f6\u6709\u6548\u5b9e\u73b0\u6ee4\u6ce2\u3001\u9632\u62a4\u548c\u9694\u79bb\u7684\u6548\u679c\u3002<strong>\u5982\u679c\u63a5\u53e3\u5904\u65e2\u6709\u6ee4\u6ce2\u7535\u8def\u53c8\u6709\u9632\u62a4\u7535\u8def\uff0c\u5e94\u8be5\u9075\u5faa\u5148\u9632\u62a4\u540e\u6ee4\u6ce2\u7684\u539f\u5219<\/strong>\u3002\u56e0\u4e3a\u9632\u62a4\u7535\u8def\u7528\u6765\u5bf9\u5916\u6765\u7684\u8fc7\u538b\u548c\u8fc7\u6d41\u73b0\u8c61\u8fdb\u884c\u6291\u5236\uff0c\u5982\u679c\u6ee4\u6ce2\u7535\u8def\u653e\u5728\u9632\u62a4\u7535\u8def\u4e4b\u524d\uff0c\u5219\u6ee4\u6ce2\u7535\u8def\u5bb9\u6613\u88ab\u5916\u90e8\u7684\u8fc7\u7535\u538b\u548c\u8fc7\u7535\u6d41\u635f\u574f\u3002<strong>\u6b64\u5916\u5728\u5e03\u5c40\u65f6\u8981\u4fdd\u8bc1\u6ee4\u6ce2\u7535\u8def\uff08\u6ee4\u6ce2\u5668\uff09\u3001\u9632\u62a4\u7535\u8def\u548c\u9694\u79bb\u7535\u8def\u7684\u8f93\u5165\u8f93\u51fa\u7ebf\u8def\u4e0d\u8981\u4e92\u76f8\u8026\u5408\uff0c\u4e00\u65e6\u51fa\u73b0\u8026\u5408\u73b0\u8c61\uff0c\u5c06\u4f1a\u524a\u5f31\u6ee4\u6ce2\u3001\u9632\u62a4\u548c\u9694\u79bb\u7535\u8def\u7684\u4f5c\u7528\u6548\u679c<\/strong>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b7<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"529\" height=\"307\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-687af5e0c4b34e7546cab3c4068c5995_720w.jpg\" alt=\"\" class=\"wp-image-646\" style=\"aspect-ratio:1.723127035830619;width:529px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-687af5e0c4b34e7546cab3c4068c5995_720w.jpg 529w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-687af5e0c4b34e7546cab3c4068c5995_720w-300x174.jpg 300w\" sizes=\"auto, (max-width: 529px) 100vw, 529px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6676\u4f53\u3001\u6676\u632f\u3001\u7ee7\u7535\u5668\u548c\u5f00\u5173\u7535\u6e90\u7b49\u5f3a\u8f90\u5c04\u5668\u4ef6\u5e94\u8be5\u8ddd\u79bb\u5355\u677f\u63a5\u53e3\u7684\u8fde\u63a5\u5668\u4ef6\u81f3\u5c111000mil<\/strong>\uff0c\u9760\u5f97\u592a\u8fd1\u5219\u5668\u4ef6\u4ea7\u751f\u7684\u5e72\u6270\u4f1a\u76f4\u63a5\u5411\u5916\u8f90\u5c04\u6216\u662f\u5728\u5916\u51fa\u7535\u7f06\u4e0a\u8026\u5408\u51fa\u7535\u6d41\u8fdb\u800c\u5411\u5916\u8f90\u5c04\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b8<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"342\" height=\"356\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-f5a74555c892ff5d55b52b3c5b884e71_720w.jpg\" alt=\"\" class=\"wp-image-647\" style=\"aspect-ratio:0.9606741573033708;width:342px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-f5a74555c892ff5d55b52b3c5b884e71_720w.jpg 342w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-f5a74555c892ff5d55b52b3c5b884e71_720w-288x300.jpg 288w\" sizes=\"auto, (max-width: 342px) 100vw, 342px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed9IC\u6ee4\u6ce2\u7684\u5404\u7c7b\u6ee4\u6ce2\u7535\u5bb9\u5e94\u8be5\u9760\u8fd1IC\u7684\u7535\u6e90\u7ba1\u811a\u7684\u4f4d\u7f6e\u653e\u7f6e\uff0c\u56e0\u4e3a\u7535\u5bb9\u79bbIC\u7684\u7535\u6e90\u7ba1\u811a\u8d8a\u8fd1\uff0c\u5219\u9ad8\u9891\u56de\u8def\u7684\u9762\u79ef\u8d8a\u5c0f\uff0c\u4ece\u800c\u8f90\u5c04\u8d8a\u5c0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u5c31\u662f\u9ad8\u9891\u7535\u8def\u677f\u5668\u4ef6\u5e03\u5c40\u65f6\u5bb9\u6613\u72af\u7684\u9519\u8bef\uff0c\u7ed3\u5408\u4e4b\u524d\u8bb2\u89e3\u7684PCB\u53e0\u5c42\u5efa\u8bae\uff0c\u53ef\u4ee5\u4e3a\u63a5\u4e0b\u6765\u7684\u5e03\u7ebf\u6253\u4e0b\u575a\u5b9e\u7684\u57fa\u7840\u3002\u5f53\u7136\u7531\u4e8e\u4e2a\u4eba\u6c34\u5e73\u6709\u9650\uff0c\u8bb2\u89e3\u7684\u65f6\u5019\u96be\u514d\u4f1a\u6709\u758f\u6f0f\u548c\u51fa\u9519\u7684\u5730\u65b9\uff0c\u4e5f\u5e0c\u671b\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u53ca\u65f6\u65a7\u6b63\uff0c\u5171\u540c\u8fdb\u6b65\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u4e00\u8bb2\u4e3b\u8981\u5206\u6790\u4e86\u9ad8\u901f\u7535\u8def\u677f\u7684\u53e0\u5c42\u5efa\u8bae\uff0c\u5f53\u51b3\u5b9a\u597d\u54ea\u79cd\u5206\u5c42\u65b9\u6848\uff0c\u63a5\u4e0b\u6765\u5c06\u8981\u8003\u8651\u5143\u4ef6\u4ee5\u53ca\u6a21\u5757\u7684\u5e03\u5c40\u4e86\uff0c\u4e0b\u9762\u76f4\u63a5\u4e3e\u4f8b\u5206 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":644,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[30,32,31,35],"class_list":["post-639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb","tag-pcb-layout","tag-pcb-layout-routing","tag-circuit-board","tag-high-speed-signal"],"_links":{"self":[{"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/posts\/639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/comments?post=639"}],"version-history":[{"count":1,"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/posts\/639\/revisions"}],"predecessor-version":[{"id":648,"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/posts\/639\/revisions\/648"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/media\/644"}],"wp:attachment":[{"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/media?parent=639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/categories?post=639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jncircuit.com\/index.php\/wp-json\/wp\/v2\/tags?post=639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}