{"id":16102,"date":"2022-02-04T10:53:43","date_gmt":"2022-02-04T02:53:43","guid":{"rendered":"https:\/\/www.paiqinano.com\/?p=16102"},"modified":"2022-01-24T23:00:49","modified_gmt":"2022-01-24T15:00:49","slug":"%e5%ba%94%e5%af%b9%e6%9c%aa%e6%9d%a5%e9%ab%98%e9%80%9fserdes%e5%ba%94%e7%94%a8%e7%9a%84pcb%e8%ae%be%e8%ae%a1%e8%a6%81%e7%82%b9","status":"publish","type":"post","link":"https:\/\/www.paiqinano.com\/?p=16102","title":{"rendered":"\u9488\u5bf9 \u5c06\u6765 \u9ad8\u901f SerDes\u5e94\u7528 \u7684PCB\u8bbe\u8ba1\u8981\u70b9"},"content":{"rendered":"<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215125341-61b9e55554d6f.gif\" \/><\/p>\n<p>\u5c06\u6765\u7684SerDes\u8bbe\u8ba1\u65b9\u6848\uff0c\u55ef\uff0c\u6709\u70b9\u513f\u53ef\u6015<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215125341-61b9e5557ce05.jpeg\" \/><\/p>\n<p>\u8001wu\u8fd1\u671f\u5728\u5bfb\u627e\u5feb\u901f\u8054\u63a5\u7535\u7f06\u7684\u6750\u6599\uff0c\u60f3\u627e\u4e00\u627e\u6709\u5173\u4f20\u900110Gbps\u6a21\u62df\u4fe1\u53f7\u7684\u5feb\u901f\u7535\u7f06\u7ecf\u9500\u5546\u548cPCB\u8bbe\u8ba1\u5e38\u89c1\u95ee\u9898\u3002<\/p>\n<p>\u671f\u5185\u5728\u6709\u8f93\u6cb9\u7ba1\u89c1\u5230\u8fd9\u4e00\u4efd\u77ed\u89c6\u9891\u300aSerDes And Its Role in Future Designs HD\u300b\u8bb2\u7684\u5f88\u662f\u975e\u5e38\u597d\uff0c\u8001wu\u7528\u5fc3\u5e72\u4e86\u624b\u8bb0\u3002<\/p>\n<p>\u5c06\u6765\u7684SerDes\u8bbe\u8ba1\u65b9\u6848\u4f1a\u662f\u5982\u4f55\u5b50\u7684\uff1f\u55ef\uff0c\u6709\u70b9\u513f\u53ef\u6015\uff0c\u4f34\u968f\u7740\u4e91\u7a7a\u95f4\u8fd0\u7528\u6108\u6765\u6108\u666e\u53ca\u5316\uff0c\u5176\u9700\u6c42\u91cf\u4e5f\u8282\u8282\u6500\u5347\uff0c\u4fc3\u8fdb\u8bf8\u591a\u7f51\u7edc\u4f9b\u5e94\u5546\u52a1\u5fc5\u5e74\u5e74\u66f4\u65b0\u5176\u5927\u6570\u636e\u4e2d\u5fc3\u5167\u90e8\u4e92\u8054\u7f51\u7684\u7f51\u7edc\u5e26\u5bbd\u3002\u73b0\u9636\u6bb5\u6d41\u884c\u7684100G\u4e92\u8fde\u6b63\u65e5\u76ca\u88ab\u65b0\u4e00\u4ee3400G\u6280\u672f\u6027\u6240\u66ff\u4ee3\uff0c\u800c800G\u4e92\u8fde\u6280\u672f\u6027\u66f4\u65e9\u5df2\u8fd1\u5728\u54ab\u5c3a\u3002\u7f51\u7edc\u5e26\u5bbd\u8981\u6c42\u5e74\u5e74\u75af\u6da8\uff0c\u5176\u6700\u5e95\u5c42\u7684\u5feb\u901fSerDes\u6280\u672f\u6027\u4e5f\u56e0\u4e3a\u5907\u53d7\u5173\u6ce8\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215125341-61b9e555b1e8a.jpeg\" \/><\/p>\n<p>\u73b0\u9636\u6bb5\uff0c\u901f\u7387\u8f83\u5feb\u7684SerDes\u5355\u4e00\u5b89\u5168\u901a\u9053\u7684\u7f51\u7edc\u5e26\u5bbd\u5df2\u8fbe112Gbps\uff0c\u9002\u7528PAM4\u7f16\u53f7\u3002\u8fd9\u822c\u9ad8\u7684\u901f\u5ea6\uff0c\u4fc3\u4f7f\u5728\u5168\u90e8\u4f53\u7cfb\u4e2d\u5b8c\u6210\u5feb\u901f\u6570\u636e\u4fe1\u53f7\u8d70\u7ebf\u4f1a\u906d\u9047\u5f88\u591a\u5f88\u591a\u8bbe\u8ba1\u65b9\u6848\u96be\u70b9\u3002\u4ee5\u5f80\u901a\u5e38\u4ec5\u4ec5\u5728\u90e8\u4ef6\u7ea7\u5f00\u5c55\u8bbe\u8ba1\u65b9\u6848\u8003\u8651\uff0c\u800c\u65b0\u4e00\u4ee3\u591aGbps\u8bbe\u8ba1\u5fc5\u987b\u5bf9\u6570\u636e\u4fe1\u53f7\u5b89\u5168\u901a\u9053\u9014\u5f84\u5f00\u5c55\u603b\u4f53\u5256\u6790\u3002\u7814\u53d1\u4eba\u5458\u4e0d\u53ef\u4ee5\u53ea\u5173\u5fc3\u4e00\u4e2a\u90e8\u4ef6\uff0c\u53cd\u800c\u662f\u52a1\u5fc5\u5256\u6790\u5e76\u63d0\u5347\u5168\u90e8\u90e8\u4ef6\u5728\u5168\u90e8\u5b89\u5168\u901a\u9053\u4e2d\u7684\u76f8\u4e92\u5f71\u54cd\u3002<\/p>\n<p>\u5b89\u5168\u901a\u9053\u4e2d\u7684\u6bcf\u4e00\u4e2a\u90e8\u4ef6\u90fd\u5305\u62ec\u4e00\u4e9b\u8bbe\u8ba1\u65b9\u6848\u81ea\u53d8\u91cf\uff0c\u5176\u4f1a\u5371\u5bb3\u5b89\u5168\u901a\u9053\u4e2d\u522b\u7684\u90e8\u4ef6\u7684\u7279\u6027\u3002\u52a1\u5fc5\u8003\u8651\u5230\u63d2\u5165\u635f\u8017\u3001\u56de\u6ce2\u635f\u8017\u3001\u4e32\u6270\u3001\u7279\u6027\u963b\u6297\u7b49\u5c04\u9891\u8fde\u63a5\u5668\u81ea\u53d8\u91cf\u3002PCB\u8bbe\u8ba1\u7ba1\u7406\u51b3\u7b56\u5305\u542b\u5408\u7406\u5e03\u5c40\u3001\u8d70\u7ebf\u3001\u539f\u6750\u6599\/\u5c42\u538b\u6750\u6599\u6311\u9009\u3001\u8ff9\u7ebf\u957f\u77ed\u4e0e\u5339\u914d\u7535\u963b\uff0c\u4ed6\u4eec\u90fd\u53ef\u4ee5\u63d0\u5347\u6216\u51cf\u5c11\u5feb\u901f\u4e32\u884c\u901a\u4fe1\u5b89\u5168\u901a\u9053\u7684\u7279\u6027\u3002<\/p>\n<p>\u8bbe\u8ba1\u65b9\u6848\u548c\u63d0\u5347\u5feb\u901f\u5b89\u5168\u901a\u9053\u5fc5\u987b2\u4e2a\u57fa\u672c\u4e0a\u6d41\u7a0b\u3002\u6280\u672f\u5de5\u7a0b\u5e08\u52a1\u5fc5\u4e3a\u5b89\u5168\u901a\u9053\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b9e\u9645\u90e8\u4ef6\u521b\u5efa\u5b9e\u4f53\u6a21\u578b\u3002\u5408\u62fc\u8fd9\u79cd\u90e8\u4ef6\u5b9e\u4f53\u6a21\u578b\u5c31\u53ef\u4ee5\u5efa\u7acb\u5b89\u5168\u901a\u9053\u5b9e\u4f53\u6a21\u578b\uff0c\u8fdb\u800c\u521b\u5efa\u8be6\u7ec6\u7684\u7cfb\u7edf\u8f6f\u4ef6\u3002\u968f\u540e\u572828Gbps\u4ee5\u4e0a\u7684\u6570\u636e\u901f\u7387\u6807\u51c6\u4e0b\u7cfb\u7edf\u5bf9\u5b9e\u4f53\u6a21\u578b\u5f00\u5c55\u6a21\u62df\u4eff\u771f\u3001\u6a21\u578b\u3001\u5256\u6790\u4e0e\u68c0\u6d4b\u3002<\/p>\n<p>\u8fd9\u4e00\u4efd\u300aSerDes And Its Role in Future Designs HD\u300b\u5bf9PCB SerDes\u8bbe\u8ba1\u65b9\u6848\u5fc5\u987b\u8003\u8651\u7684\u4e00\u4e9b\u95ee\u9898\u70b9\u5f00\u5c55\u4e86\u8f83\u4e3a\u5168\u65b9\u4f4d\u7684\u89e3\u8bfb\uff1a<\/p>\n<ul>\n<li>PCB \u5bb6\u5177\u677f\u6750<\/li>\n<li>\u5c42\u53e0<\/li>\n<li>\u4e32\u6270<\/li>\n<li>\u73bb\u7483\u7ea4\u7ef4\u6548\u7528<\/li>\n<li>\u6b8b\u6869\u548c\u80cc\u94bb\u6280\u672f\u6027<\/li>\n<li>\u94dc\u6cca\u8868\u9762\u7c97\u7cd9\u5ea6<\/li>\n<li>\u63d2\u635f\u3001\u56de\u635f\u3001\u8fdc\u4fa7\u4e32\u6270\u3001\u8fd1\u7aef\u4e32\u6270<\/li>\n<li>\u65c1\u901a\u53bb\u8026\u7535\u5bb9\u751f\u5b58\u7535\u611f\u5668\u95ee\u9898<\/li>\n<\/ul>\n<p>\u77ed\u89c6\u9891\u4e2d\u6709\u5173\u4e8e\u5dee\u5206\u4fe1\u53f7\u7ebf\u6570\u636e\u4fe1\u53f7\u6d41\u56de\u76843D\u6a21\u62df\u4eff\u771f\u89e3\u8bfb\u8001wu\u611f\u89c9\u5f88\u975e\u5e38\u597d\uff0c\u4ee5\u524d\u770b\u5dee\u5206\u4fe1\u53f7\u5bf9\u7684\u8be6\u7ec6\u4ecb\u7ecd\u6587\u7ae0\u5185\u5bb9\uff0c\u6709\u8bf4\u5230\u8fd0\u7528\u5dee\u5206\u4fe1\u53f7\u7ebf\u7684\u4f18\u70b9\uff0c\u4fbf\u662f\u5dee\u5206\u4fe1\u53f7\u7ebf\u5bf9\u4e2d\u95f4\u53ef\u4ee5\u5f7c\u6b64\u4e4b\u95f4\u6ee1\u8db3\u53e6\u4e00\u65b9\u6570\u636e\u4fe1\u53f7\u7684\u6d41\u56de\u800c\u4e0d\u7528\u53c2\u7167\u5e73\u9762\u56fe\uff0c\u4f46\u77ed\u89c6\u9891\u4e2d\u6839\u636e3D\u6a21\u62df\u4eff\u771f\u89e3\u8bfb\u4e86\u5dee\u5206\u4fe1\u53f7\u7ebf\u6d41\u56de\u7684\u72b6\u51b5\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215125341-61b9e555c6464.jpeg\" \/><\/p>\n<p>\u5c3d\u7ba1\u5dee\u5206\u7535\u8def\u9488\u5bf9\u76f8\u8fd1\u5730\u5f39\u53ca\u5176\u5176\u4ed6\u5f88\u6709\u53ef\u80fd\u5b58\u6709\u4e8e\u5f00\u5173\u7535\u6e90\u548c\u5730\u5e73\u9762\u56fe\u4e0a\u7684\u566a\u58f0\u6570\u636e\u4fe1\u53f7\u4e0d\u662f\u8106\u5f31\u7684\u3002\u5730\u5e73\u9762\u56fe\u7684\u4e00\u90e8\u5206\u6d41\u56de\u76f8\u62b5\u5e76\u4e0d\u610f\u5473\u7740\u5dee\u5206\u7535\u8def\u4e5f\u4e0d\u4ee5\u53c2\u9605\u5e73\u9762\u56fe\u505a\u4e3a\u6570\u636e\u4fe1\u53f7\u56de\u5230\u9014\u5f84\uff0c\u5b9e\u9645\u4e0a\u5728\u6570\u636e\u4fe1\u53f7\u6d41\u56de\u5256\u6790\u4e0a\uff0c\u5dee\u5206\u4fe1\u53f7\u5e03\u7ebf\u548c\u5e73\u5e38\u7684\u5355\u7aef\u5e03\u7ebf\u7684\u57fa\u672c\u539f\u7406\u662f\u4e00\u81f4\u7684\uff0c\u5373\u9ad8\u9891\u7387\u6570\u636e\u4fe1\u53f7\u662f\u987a\u7740\u7535\u963b\u6700\u5c11\u7684\u63a7\u5236\u56de\u8def\u5f00\u5c55\u6d41\u56de\uff0c\u8f83\u5927\u7684\u533a\u5206\u53d6\u51b3\u4e8e\u5dee\u5206\u4fe1\u53f7\u7ebf\u9664\u5f00\u6709\u5bf9\u5730\u7684\u85d5\u5408\u4ee5\u5916\uff0c\u8fd8\u5b58\u6709\u5f7c\u6b64\u4e4b\u95f4\u7684\u85d5\u5408\uff0c\u54ea\u4e00\u79cd\u85d5\u5408\u5f3a\uff0c\u90a3\u4e00\u79cd\u5c31\u53d8\u6210\u5173\u952e\u7684\u56de\u5546\u54c1\u6d41\u901a\u8def\u3002<\/p>\n<p>\u5728PCB \u7535\u8def\u539f\u7406\u4e2d\uff0c\u4e00\u822c\u5dee\u5206\u4fe1\u53f7\u5e03\u7ebf\u4e2d\u95f4\u7684\u85d5\u5408\u8f83\u5c0f\uff0c\u901a\u5e38\u53ea\u536010~20%\u7684\u8026\u5408\u6027\uff0c\u5927\u91cf\u7684\u6216\u662f\u5bf9\u5730\u7684\u85d5\u5408\uff0c\u56e0\u6b64\u5dee\u5206\u4fe1\u53f7\u5e03\u7ebf\u7684\u4e3b\u8981\u6d41\u56de\u9014\u5f84\u6216\u662f\u5b58\u6709\u4e8e\u5730\u5e73\u9762\u56fe\u3002\u672c\u5730\u5e73\u9762\u56fe\u4ea7\u751f\u4e0d\u6301\u7eed\u7684\u60c5\u51b5\u4e0b\uff0c\u65e0\u53c2\u7167\u5e73\u9762\u56fe\u7684\u5730\u533a\uff0c\u5dee\u5206\u4fe1\u53f7\u5e03\u7ebf\u4e2d\u95f4\u7684\u85d5\u5408\u624d\u4f1a\u7ed9\u4e88\u5173\u952e\u7684\u56de\u5546\u54c1\u6d41\u901a\u8def\u3002\u867d\u7136\u53c2\u7167\u5e73\u9762\u56fe\u7684\u4e0d\u6301\u7eed\u5bf9\u5dee\u5206\u4fe1\u53f7\u5e03\u7ebf\u7684\u5371\u5bb3\u6c92\u6709\u5bf9\u5e73\u5e38\u7684\u5355\u7aef\u5e03\u7ebf\u6765\u7684\u6bd4\u8f83\u4e25\u91cd\uff0c\u4f46\u4f9d\u7136\u4f1a\u51cf\u5c11\u97f3\u9891\u4fe1\u53f7\u7684\u54c1\u8d28\uff0c\u63d0\u5347EMI\uff0c\u8981\u5c3d\u91cf\u51cf\u5c11\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/12\/20211215125342-61b9e5560f725.jpeg\" \/><\/p>\n<p>\u9ad8\u8fc7\u5feb\u901f\u5dee\u5206\u4fe1\u53f7\u7ebfstitching via\u7684\u8bbe\u8ba1\u65b9\u6848<\/p>\n<p>\u5728\u5b8c\u6210\u5feb\u901f\u8bbe\u8ba1\u65b9\u6848\u65f6\uff0c\u5feb\u901f\u6570\u636e\u4fe1\u53f7\u7684\u8f93\u9014\u5f84\u4e2d\u7684\u7269\u7406\u5b66\u51e0\u4f55\u56fe\u5f62\u6784\u9020\u7684\u4e00\u5207\u7ec6\u5fae\u7684\u4e0d\u6301\u7eed\u90fd\u662f\u4f1a\u663e\u7740\u51cf\u5c11\u4fe1\u606f\u54c1\u8d28\u3002 \u8fd9\u7c7b\u964d\u6743\u5305\u542b\u6570\u636e\u4fe1\u53f7\u529b\u5ea6\u7684\u635f\u5bb3\uff0c\u6570\u636e\u4fe1\u53f7\u589e\u76ca\u503c\u7684\u964d\u4f4e\u548c\u9707\u52a8\u7684\u63d0\u5347\u3002 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\/><\/p>\n<p>\u710a\u5c42\u53c2\u7167\u5e73\u9762\u56fe\u638f\u7a7a<\/p>\n<p>\u4e00\u6837\u662f\u4e3a\u4e86\u66f4\u597d\u5730\u7279\u6027\u963b\u6297\u7684\u6301\u7eed\u6027\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u964d\u4f4e\u710a\u5c42\u4e0e\u53c2\u7167\u5e73\u9762\u56fe\u7684\u5206\u5e03\u7535\u5bb9\uff0c\u9694\u76f4\u7535\u5bb9\u5668\u662f\u5feb\u901f\u4e32\u884c\u901a\u4fe1\u5b89\u5168\u901a\u9053\u4e2d\u7279\u6027\u963b\u6297\u4e0d\u6301\u7eed\u7684\u666e\u904d\u6765\u6e90\u4e8e\u3002\u6709\u5173\u63d0\u5347\u710a\u5c42\u7279\u6027\u963b\u6297\u4e0d\u8fde\u7eed\u6027\u95ee\u9898\uff0c\u53ef\u4ee5\u53c2\u7167 Altera\u7684Application Note 530\u300aOptimizing Impedance Discontinuity Caused by Surface Mount Pads for High-Speed Channel 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