{"id":4463,"date":"2021-07-07T14:36:59","date_gmt":"2021-07-07T06:36:59","guid":{"rendered":"http:\/\/www.comtest.cn\/?p=4463"},"modified":"2021-07-09T09:15:16","modified_gmt":"2021-07-09T01:15:16","slug":"pcie5-0-%e4%bf%a1%e9%81%93%e6%8d%9f%e8%80%97%e7%89%b9%e6%80%a7%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"http:\/\/www.comtest.com.cn\/?p=4463","title":{"rendered":"PCIe5.0 \u4fe1\u9053\u635f\u8017\u7279\u6027\u6d4b\u8bd5"},"content":{"rendered":"

PCIe5.0 \u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u4e4b\u4fe1\u9053\u635f\u8017\u7279\u6027\u6d4b\u8bd5<\/strong><\/p>

\u4fe1\u9053\u662fPCI Express\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u8981\u7d20\u3002\u901a\u9053\u4e2d\u6709\u8bb8\u591a\u5931\u771f\u6765\u6e90\uff0c\u5b83\u4eec\u4f1a\u964d\u4f4e\u4ece PCIe\u53d1\u5c04\u673a\u5230PCIe\u63a5\u6536\u673a\u7684\u4fe1\u53f7\u8d28\u91cf\u2014\u2014\u5305\u62ec\u4e32\u6270\u3001\u6296\u52a8\u3001\u7b26\u53f7\u95f4\u5e72\u6270\uff08ISI\uff09\u7b49\u7b49\u3002\u5fc5\u987b\u6d4b\u91cf\u4fe1\u9053\u4e2d\u7684\u635f\u8017\u7279\u5f81\uff0c\u786e\u4fdd\u5b83\u4eec\u5904\u5728PCIe\u5bf9\u7279\u5b9a\u6570\u636e\u901f\u7387\u7684\u5bb9\u9650\u8303\u56f4\u4e4b\u5185\u3002\u6563\u5c04\u53c2\u6570\uff08S\u53c2\u6570\uff09\u53ef\u4ee5\u8868\u5f81\u9ad8\u9891\u7535\u8def\uff0c\u6bd4\u5982 PCIe \u7cfb\u7edf\u4e2d\u7684\u4fe1\u9053\u3002\u4f7f\u7528\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u53ef\u4ee5\u5e2e\u52a9\u5feb\u901f\u9a8c\u8bc1\u8bbe\u8ba1\u4e2d\u7684\u5404\u79cd\u53c2\u6570\uff0c\u786e\u4fdd\u5b83\u4eec\u7b26\u5408 PCIe \u89c4\u8303\u7684\u6027\u80fd\u8981\u6c42\u3002<\/p>

PCIe 5.0 CEM \u89c4\u8303\u548c\u6d4b\u8bd5\u89c4\u8303\u7684\u66f4\u65b0<\/h2>

\u94fe\u8def\u635f\u8017\u603b\u4f53\u89c4\u5212\u548c\u5206\u914d<\/h3>

\u5305\u62ec CPU \u548c AIC \u82af\u7247\u5c01\u88c5\u5728\u5185\u7684\u7aef\u5230\u7aef\u603b\u94fe\u8def\u635f\u8017 – 36dB @ 16GHz\uff0c\u5bf9\u4e8e\u7531\u4e24\u4e2a\u8fde\u63a5\u5668\u5982\u901a\u8fc7Riser\u5361\u8f6c\u63a5\u7684\u65b9\u5f0f\u9700\u8981\u8003\u8651\u603b\u4f53\u635f\u8017\u88d5\u91cf\uff0c\u901a\u5e38\u8981\u5728\u94fe\u8def\u4e2d\u52a0\u5165Re-timer\u82af\u7247\u3002\u5728\u6700\u8fd1\u7684\u89c4\u8303\u4e2d\u660e\u786e\u4e86\u63d2\u5361 AIC \u603b\u7684\u635f\u8017\uff0c\u4e0d\u8bba\u662f\u53d1\u5c04\u8def\u5f84\u6216\u8005\u63a5\u6536\u8def\u5f84\uff0c\u5305\u62ec\u4ece\u91d1\u624b\u6307\u8fb9\u7f18\u7ecf\u8fc7 PCB\uff0c\u8fc7\u5b54\uff0c\u9694\u76f4\u7535\u5bb9\uff0c\u82af\u7247\u5c01\u88c5\u7b49\uff0c\u603b\u635f\u8017\u4e0d\u80fd\u8d85\u8fc7 -9.5 dB @16GHz\u3002PCIe 5.0\u91d1\u624b\u6307\u63d2\u69fd\u91c7\u7528SMT\u7684\u63d2\u5ea7\uff0c\u635f\u8017\u4e0d\u80fd\u8d85\u8fc7 -1.5 dB@16GHz\u3002\u53e6\u5916CPU\u5c01\u88c5\u5178\u578b\u635f\u8017 -8.5dB\uff0cAIC \u82af\u7247\u5c01\u88c5\u635f\u8017 -4.2 dB\u3002\u7406\u89e3 PCIe 5.0 \u7684\u94fe\u8def\u635f\u8017\uff0c\u5bf9\u4e8e\u53d1\u5c04\u673a\/\u63a5\u6536\u673a Tx\/Rx \u6d4b\u8bd5\u6240\u9700\u8981\u642d\u5efa\u7684\u62d3\u6251\u7ed3\u6784\u5c31\u4f1a\u6709\u66f4\u6e05\u695a\u7684\u8ba4\u8bc6\u3002<\/p>

\"\"<\/a>
\u56fe1. PCIe\u635f\u8017\u5206\u914d\u56fe<\/strong><\/figcaption><\/figure><\/div>

\u81ea PCIe 4.0 \u5f00\u59cb\uff0cCEM \u5939\u5177\u91cc\u5f15\u5165\u4e86\u53ef\u53d8ISI\u677f\u5939\u5177\uff0c\u8fd9\u4e2a\u5939\u5177\u4e0a\u8bbe\u8ba1\u4e86\u4ee5\u63a5\u8fd1 0.5 dB \u635f\u8017\u6b65\u8fdb\u7684\u82e5\u5e72\u5dee\u5206\u8d70\u7ebf\u5bf9\uff0c\u5728\u53d1\u5c04\u673a\/\u63a5\u6536\u673a Tx\/Rx \u6d4b\u8bd5\u4e4b\u524d\uff0c\u9700\u8981\u4f7f\u7528\u7f51\u7edc\u5206\u6790\u4eea\u6807\u5b9a\u548c\u9009\u53d6\u5408\u9002\u7684\u8d70\u7ebf\u5bf9\uff0c\u6784\u5efa\u89c4\u8303\u8981\u6c42\u7684\u603b\u94fe\u8def\u635f\u8017\u76ee\u6807\u3002\u5982\u4e0b\u56fe\u6240\u793aTx\u6d4b\u8bd5\u65f6\u7ea7\u8054\u7ecf\u8fc7\u6807\u5b9a\u7684ISI\u8d70\u7ebf\u5bf9\uff0c\u4ee5\u53ca\u793a\u6ce2\u5668\u5d4c\u5165\u5bf9\u7aef\u82af\u7247\u5c01\u88c5\u635f\u8017\u3002<\/p>

\"\"<\/td>\"\"<\/td><\/tr><\/tbody><\/table>
\u56fe2. PCIE5.0 CEM \u53d1\u5c04\u673a TX \u6d4b\u8bd5\u793a\u610f\u56fe<\/strong><\/figcaption><\/figure>

\u6709\u4e00\u70b9\u53d8\u5316\u7684\u662f\uff0c\u5bf9\u4e8ePCIe 5.0 \u53d1\u5c04\u673a Tx \u6d4b\u8bd5\uff0c\u534f\u4f1a\u4e5f\u5728\u8003\u8651\u4f7f\u7528 S \u53c2\u6570\u5d4c\u5165\u7684\u65b9\u5f0f\uff0c\u53d6\u4ee3\u53ef\u53d8 ISI \u677f\uff0c\u5c06\u4e0a\u8ff0\u7684\u53d1\u5c04\u673aTx\u6d4b\u8bd5\u7ec4\u7f51\u7b80\u5316\u4e3a\u4e0b\u9762\u7684\u6d4b\u8bd5\u7ec4\u7f51\u56fe\uff0c\u5728\u793a\u6ce2\u5668\u5185\u5d4c\u5165\u9664\u4e86\u5939\u5177\u548c\u6d4b\u8bd5\u7535\u7f06\u5916\u7684\u94fe\u8def\u635f\u8017 S \u53c2\u6570\u3002<\/p>

\"\"<\/td>\"\"<\/td><\/tr><\/tbody><\/table>
\u56fe3. \u91c7\u7528\u8f6f\u4ef6\u5d4c\u5165 S \u53c2\u6570\u65b9\u6cd5\u7b80\u5316\u7684 CEM \u53d1\u5c04\u673a TX \u6d4b\u8bd5\u7ec4\u7f51\u56fe<\/strong><\/figcaption><\/figure>

\u5728 PCIe 5.0 PHY Test Spec v0.5\u4e2d\uff0c\u5bf9\u53d1\u5c04\u673a Tx \u6d4b\u8bd5\u5df2\u7ecf\u6309\u8fd9\u79cd\u5d4c\u5165 S \u53c2\u6570\u7684\u65b9\u5f0f\u8981\u6c42\uff0c\u4f46\u8fd9\u79cd\u65b9\u5f0f\u4e0e\u786c\u4ef6ISI\u5939\u5177\u8fde\u63a5\u7684\u65b9\u5f0f\u5bf9\u6d4b\u91cf\u7ed3\u679c\u7684\u4e00\u81f4\u6027\u5982\u4f55\uff1fPCI-SIG\u534f\u4f1a\u8ba1\u5212\u5728workshop\u4e2d\u8fdb\u884c\u9a8c\u8bc1\u548c\u6bd4\u5bf9\u3002\u9700\u8981\u6ce8\u610f\uff0c\u7528 S \u53c2\u6570\u53d6\u4ee3\u8d70\u7ebf\u7684\u65b9\u6cd5\u8fd9\u53ea\u9002\u7528\u4e8e\u53d1\u5c04\u673a Tx \u6d4b\u8bd5\uff0c\u63a5\u6536\u673a Rx \u6d4b\u8bd5\u4ecd\u7136\u9700\u8981\u4f7f\u7528\u5b9e\u9645\u7684\u53ef\u53d8 ISI \u5939\u5177\u677f\u3002<\/p>

PCIe 5.0 CEM \u6d4b\u8bd5\u5939\u5177\u66f4\u65b0<\/h3>

\u4e0b\u56fe\u662f PCIe 5.0 CEM \u6d4b\u8bd5\u5939\u5177\u7684\u5b9e\u7269\u56fe\uff0cCEM \u5939\u5177\u548c Base Spec \u5939\u5177\u4e00\u6837\u9002\u7528\u4e86 MMPX\u540c\u8f74\u63a5\u5934\uff0c\u91c7\u7528\u4f4e\u635f\u8017\u677f\u6750\uff0c\u76ee\u524d CEM \u5939\u5177\u5904\u4e8e\u5c0f\u6279\u91cf\u72b6\u6001\uff0c\u5728workshop\u4e0a\uff0c\u5c06\u4f1a\u548c\u4eea\u5668\u5382\u5546\u8fdb\u884c\u76f8\u5173\u6027\u7684\u9a8c\u8bc1\u3002<\/p>

\"\"<\/td>\"\"<\/td>\"\"<\/td><\/tr><\/tbody><\/table>
\u56fe4. PCIE 5.0 \u5939\u5177<\/strong><\/figcaption><\/figure>

\u5939\u5177\u5957\u4ef6\u4e2d\u5305\u542b\u4e86 CBB\uff0cCLB \u548c\u53ef\u53d8 ISI \u677f\uff0c\u53ca\u82e5\u5e72 MMPX \u77ed\u7ebf\u3002\u9700\u8981\u4f7f\u7528\u9891\u7387\u8303\u56f4\u81f3\u5c11 20 GHz\u7684\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff0c\u6d4b\u91cfPCIe 5.0\u572832GT\/s\u7684\u5948\u594e\u65af\u7279\u9891\u7387\u70b916 GHz\u4e0b\uff0c\u7535\u7f06\u3001\u5939\u5177 PCB\u3001\u63a5\u5934\u3001CEM\u63d2\u69fd\u7b49\u635f\u8017\uff0c\u9009\u53d6Tx\u548cRx\u6d4b\u8bd5\u76ee\u6807\u635f\u8017\u6240\u9700\u8981\u7684ISI\u8d70\u7ebf\u5bf9\uff0c\u603b\u4f53\u6d4b\u91cf\u548c\u6807\u5b9a\u65b9\u6cd5\u4e0ePCIe 4.0\u7c7b\u4f3c\uff0c\u4f7f\u7528\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u6d4b\u91cf\u5b8c\u6574\u901a\u9053\u7ec4\u7f51\u635f\u8017\u53ca\u6807\u5b9a\u5939\u5177\u3002<\/p>

\"\"<\/a>
\u56fe5. PCIE4.0\/5.0\u5b8c\u6574\u6d4b\u8bd5\u7ec4\u7f51\u94fe\u8def\u635f\u8017\u9a8c\u8bc1\u793a\u610f\u548c\u6d41\u7a0b\u56fe<\/strong><\/figcaption><\/figure><\/div>

<\/p>","protected":false},"excerpt":{"rendered":"

\u4fe1\u9053\u662fPCI Express\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u8981\u7d20\u3002\u901a\u9053\u4e2d\u6709\u8bb8\u591a\u5931\u771f\u6765\u6e90\uff0c\u5b83\u4eec\u4f1a\u964d\u4f4e\u4ece PCIe\u53d1\u5c04\u673a\u5230PCIe\u63a5\u6536\u673a\u7684\u4fe1\u53f7\u8d28\u91cf\u2014\u2014\u5305\u62ec\u4e32\u6270\u3001\u6296\u52a8\u3001\u7b26\u53f7\u95f4\u5e72\u6270\uff08ISI\uff09\u7b49\u7b49\u3002\u5fc5\u987b\u6d4b\u91cf\u4fe1\u9053\u4e2d\u7684\u635f\u8017\u7279\u5f81\uff0c\u786e\u4fdd\u5b83\u4eec\u5904\u5728PCIe\u5bf9\u7279\u5b9a\u6570\u636e\u901f\u7387\u7684\u5bb9\u9650\u8303\u56f4\u4e4b\u5185\u3002\u6563\u5c04\u53c2\u6570\uff08S\u53c2\u6570\uff09\u53ef\u4ee5\u8868\u5f81\u9ad8\u9891\u7535\u8def\uff0c\u6bd4\u5982 PCIe \u7cfb\u7edf\u4e2d\u7684\u4fe1\u9053\u3002\u4f7f\u7528\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u53ef\u4ee5\u5e2e\u52a9\u5feb\u901f\u9a8c\u8bc1\u8bbe\u8ba1\u4e2d\u7684\u5404\u79cd\u53c2\u6570\uff0c\u786e\u4fdd\u5b83\u4eec\u7b26\u5408 PCIe \u89c4\u8303\u7684\u6027\u80fd\u8981\u6c42\u3002<\/p>\n","protected":false},"author":2,"featured_media":4510,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,108,24],"tags":[326,355,354],"class_list":["post-4463","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-datacenter","category-electronics","category-solutions","tag-pcie","tag-pcie-gen5","tag-pcie5-0"],"yoast_head":"\r\nPCIe5.0 \u4fe1\u9053\u635f\u8017\u7279\u6027\u6d4b\u8bd5 - 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