{"id":622,"date":"2026-10-04T20:52:34","date_gmt":"2026-10-04T12:52:34","guid":{"rendered":"https:\/\/jncircuit.com\/?p=622"},"modified":"2026-10-04T20:52:34","modified_gmt":"2026-10-04T12:52:34","slug":"high-speed-pcb-design-guide","status":"publish","type":"post","link":"https:\/\/jncircuit.com\/index.php\/2026\/10\/04\/high-speed-pcb-design-guide","title":{"rendered":"\u624b\u628a\u624b\u6559\u4f60\u753b\u9ad8\u901f\u7535\u8def\u677f\uff0c\u753b\u51e0\u5c42\u677f\u4f60\u8bf4\u4e86\u7b97"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u9ad8\u901f\u4fe1\u53f7\u7684\u5b9a\u4e49\uff0c\u4e4b\u524d\u7684\u6587\u7ae0\u6709\u8bb2\u8fc7\uff0c<strong>\u5f53\u4fe1\u53f7\u7684\u65f6\u949f\u9891\u7387\u8d85\u8fc75MHz\uff0c\u6216\u4fe1\u53f7\u4e0a\u5347\/\u4e0b\u964d\u7684\u65f6\u95f4\u5c0f\u4e8e5ns\u65f6<\/strong>\uff0c\u4e00\u822c\u9700\u8981\u4f7f\u7528\u591a\u5c42\u677f\u7684\u8bbe\u8ba1\u3002\u539f\u56e0\u5728\u4e8e\u591a\u5c42\u677f\u8bbe\u8ba1\u53ef\u4ee5\u6709\u6548\u63a7\u5236\u4fe1\u53f7\u56de\u8def\u7684\u9762\u79ef\uff0c\u4ee5\u6b64\u6765\u83b7\u5f97\u4f18\u79c0\u7684\u7535\u6c14\u6027\u80fd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PCB\u7684\u5c42\u53e0\u7ed3\u6784\u8bbe\u8ba1\u662f\u8fdb\u884c\u4fe1\u53f7\u5b8c\u6574\u6027\u5206\u6790\u7684\u57fa\u7840\uff0c\u4e00\u822c\u539f\u5219\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul 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src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-104cb92ae128d119607180ce25d5ba68_720w.jpg\" alt=\"\" class=\"wp-image-623\" style=\"aspect-ratio:2.603238866396761;width:643px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-104cb92ae128d119607180ce25d5ba68_720w.jpg 643w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-104cb92ae128d119607180ce25d5ba68_720w-300x115.jpg 300w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b2<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5355\u5c42\u677f\uff0c\u5173\u952e\u4fe1\u53f7\u7ebf\u7684\u4e24\u4fa7\u5e94\u8be5\u5e03\u201c\u4fdd\u536b\u5730\u7ebf\u201d\uff08Guide Ground 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class=\"wp-block-heading\"><strong>\u793a\u4f8b3<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u5982\u679c\u662f\u53cc\u5c42\u677f\uff0c\u5219\u8981\u6c42\u5173\u952e\u4fe1\u53f7\u7ebf\u7684\u6295\u5f71\u5e73\u9762\u4e0a\u6709\u5927\u9762\u79ef\u6577\u5730\uff0c\u4e5f\u53ef\u4ee5\u53c2\u8003\u5355\u5c42\u677f\u7684\u8bbe\u8ba1\u65b9\u6cd5\uff0c\u4f7f\u7528\u201c\u4fdd\u536b\u5730\u7ebf\u201d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"478\" height=\"286\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-276c50ae7b62eb0f14d866fb73c5242d_720w.jpg\" alt=\"\" class=\"wp-image-625\" style=\"aspect-ratio:1.6713286713286712;width:478px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-276c50ae7b62eb0f14d866fb73c5242d_720w.jpg 478w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-276c50ae7b62eb0f14d866fb73c5242d_720w-300x179.jpg 300w\" sizes=\"auto, (max-width: 478px) 100vw, 478px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b4<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u5c42\u677f\u4e2d\uff0c\u7535\u6e90\u5e73\u9762\u5e94\u76f8\u5bf9\u4e8e\u5176\u76f8\u90bb\u5730\u5e73\u9762\u5185\u7f29\uff08\u5efa\u8bae5~20H\uff09\uff0c\u53ef\u4ee5\u6709\u6548\u6291\u5236\u201c\u8fb9\u6cbf\u8f90\u5c04\u201d\u95ee\u9898\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"482\" height=\"298\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-6003f1c2011a44b2440c8a917020e481_720w.jpg\" alt=\"\" class=\"wp-image-626\" style=\"aspect-ratio:1.6174496644295302;width:482px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-6003f1c2011a44b2440c8a917020e481_720w.jpg 482w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-6003f1c2011a44b2440c8a917020e481_720w-300x185.jpg 300w\" sizes=\"auto, (max-width: 482px) 100vw, 482px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e03\u7ebf\u5c42\u5982\u679c\u4e0d\u5728\u5176\u56de\u6d41\u5e73\u9762\u5c42\u7684\u6295\u5f71\u533a\u57df\u5185\uff0c\u5728\u5e03\u7ebf\u65f6\u5c06\u4f1a\u6709\u4fe1\u53f7\u7ebf\u66b4\u9732\u5728\u6295\u5f71\u533a\u57df\u5916\uff0c\u4ece\u800c\u5bfc\u81f4\u201c\u8fb9\u6cbf\u8f90\u5c04\u201d\u95ee\u9898\uff0c\u5e76\u4e14\u8fd8\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u7684\u56de\u8def\u9762\u79ef\u589e\u5927\uff0c\u540c\u65f6\u5dee\u6a21\u8f90\u5c04\u4f1a\u53d8\u5927\u3002\u56e0\u6b64\u5e03\u7ebf\u5c42\u7684\u6295\u5f71\u5e73\u9762\u5e94\u8be5\u5728\u5176\u56de\u6d41\u5e73\u9762\u5c42\u7684\u533a\u57df\u5185\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"523\" height=\"292\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-fdac30c67f0801b69f077f02ff64feb5_720w.jpg\" alt=\"\" class=\"wp-image-627\" style=\"aspect-ratio:1.7910958904109588;width:523px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-fdac30c67f0801b69f077f02ff64feb5_720w.jpg 523w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-fdac30c67f0801b69f077f02ff64feb5_720w-300x167.jpg 300w\" sizes=\"auto, (max-width: 523px) 100vw, 523px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b6<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u591a\u5c42\u677f\u8bbe\u8ba1\u65f6\u8fd8\u9700\u6ce8\u610f\uff0c\u5355\u677f\u7684\u9876\u5c42\u548c\u5e95\u5c42\u662f\u5426\u65e0\u226550MHz\u7684\u4fe1\u53f7\u7ebf\uff0c\u6700\u597d\u5c06\u9ad8\u9891\u4fe1\u53f7\u7ebf\u8d70\u5728\u4e24\u4e2a\u5e73\u9762\u5c42\u4e2d\u95f4\uff0c\u4ee5\u6291\u5236\u5176\u5bf9\u7a7a\u95f4\u7684\u8f90\u5c04\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"506\" height=\"372\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-b695b089bd99fe796d51af17c708bd68_720w.jpg\" alt=\"\" class=\"wp-image-628\" style=\"aspect-ratio:1.3602150537634408;width:506px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-b695b089bd99fe796d51af17c708bd68_720w.jpg 506w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-b695b089bd99fe796d51af17c708bd68_720w-300x221.jpg 300w\" sizes=\"auto, (max-width: 506px) 100vw, 506px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b7<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u5c42\u677f\u4e2d\uff0c\u5355\u677f\u7684\u4e3b\u5de5\u4f5c\u7535\u6e90\u5e73\u9762\uff08\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u7535\u6e90\u5e73\u9762\uff09\u5e94\u4e0e\u5176\u5730\u5e73\u9762\u76f8\u90bb\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c0f\u7535\u6e90\u7535\u6d41\u7684\u56de\u8def\u9762\u79ef\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"220\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-506f61e48ae9fb8047ec4d9cb41ee963_720w.jpg\" alt=\"\" class=\"wp-image-629\" style=\"aspect-ratio:3.2755905511811023;width:832px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-506f61e48ae9fb8047ec4d9cb41ee963_720w.jpg 720w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-506f61e48ae9fb8047ec4d9cb41ee963_720w-300x92.jpg 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u793a\u4f8b8<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5355\u5c42\u677f\u4e2d\uff0c\u7535\u6e90\u8d70\u7ebf\u9644\u8fd1\u5fc5\u987b\u6709\u5730\u7ebf\u4e0e\u5176\u76f8\u90bb\uff0c\u5e73\u884c\u8d70\u7ebf\uff0c\u5176\u76ee\u7684\u540c\u6837\u662f\u4e3a\u4e86\u51cf\u5c0f\u7535\u6e90\u7535\u6d41\u7684\u56de\u8def\u9762\u79ef\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"314\" src=\"https:\/\/img.jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-e12c416a240a5260d2ed69a2ce05a2be_720w.jpg\" alt=\"\" class=\"wp-image-630\" style=\"aspect-ratio:2.293051359516616;width:759px;height:auto\" srcset=\"https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-e12c416a240a5260d2ed69a2ce05a2be_720w.jpg 720w, https:\/\/jncircuit.com\/wp-content\/uploads\/2026\/10\/v2-e12c416a240a5260d2ed69a2ce05a2be_720w-300x131.jpg 300w\" sizes=\"auto, (max-width: 720px) 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