{"id":5116,"date":"2022-01-21T11:22:22","date_gmt":"2022-01-21T03:22:22","guid":{"rendered":"http:\/\/www.comtest.cn\/?p=5116"},"modified":"2022-01-21T11:24:01","modified_gmt":"2022-01-21T03:24:01","slug":"pcie-800g-pn","status":"publish","type":"post","link":"http:\/\/www.comtest.cn\/?p=5116","title":{"rendered":"800G\u4e0ePCIe 5.0\uff0c\u4e9a\u76ae\u79d2\u7ea7\u6296\u52a8\u76f8\u566a\u6d4b\u8bd5"},"content":{"rendered":"<p>\u76f8\u566a\u662f\u8861\u91cf\u9891\u8c31\u7eaf\u5ea6\u7684\u4e00\u4e2a\u91cd\u8981\u6307\u6807\uff0c\u8868\u5f81\u7684\u662f\u9891\u7387\u7684\u77ed\u671f\u7a33\u5b9a\u5ea6\u3002\u5355\u8fb9\u5e26\u76f8\u4f4d\u566a\u58f0L(f)\u6765\u6e90\u4e8e\u76f8\u4f4d\u7684\u6ce2\u52a8\uff0c\u5355\u4f4d\u4e3a dBc\/Hz\uff0c\u4f20\u7edf\u4e0a\u5b9a\u4e49\u4e3a\u7279\u5b9a\u9891\u504f\u59041 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src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci000.jpg\" alt=\"\" class=\"wp-image-5117\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci000.jpg 997w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci000-300x117.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci000-768x299.jpg 768w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci000-600x234.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci000-64x25.jpg 64w\" sizes=\"(max-width: 997px) 100vw, 997px\" \/><\/a><figcaption> \u76f8\u566a\u4e0eEVM\u7684\u5173\u7cfb <\/figcaption><\/figure><\/div><p>\u5728\u9ad8\u901f\u6709\u7ebf\u6570\u5b57\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u7531\u4e8e\u50cf5G 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class=\"wp-block-heading\">\u76f4\u63a5\u6570\u5b57\u89e3\u8c03\u6cd5<\/h2><p>\u76ee\u524d\u6700\u65b0\u7684\u76f8\u4f4d\u566a\u58f0\u6d4b\u8bd5\u7684\u65b9\u6cd5\u4e3a\u76f4\u63a5\u6570\u5b57\u89e3\u8c03\u6cd5\uff0c\u8be5\u6d4b\u8bd5\u65b9\u6cd5\u53ef\u4ee5\u76f4\u63a5\u8fdb\u884cI\/Q\u89e3\u8c03\u6d4b\u91cf, \u8f6c\u6362\u4e3aSf(f), 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class=\"aligncenter size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci003.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"495\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci003-1024x495.jpg\" alt=\"\" class=\"wp-image-5120\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci003-1024x495.jpg 1024w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci003-300x145.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci003-768x371.jpg 768w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci003-600x290.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci003-64x31.jpg 64w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci003.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption> \u76f4\u63a5\u6570\u5b57\u89e3\u8c03\u6cd5\u76f8\u566a\u5206\u6790\u539f\u7406 <\/figcaption><\/figure><\/div><p><strong>\u76f8\u566a\u4e0e\u65f6\u949f\u6296\u52a8\u6d4b\u8bd5\u5e94\u7528<\/strong><\/p><p>\u9891\u7efc\u548c\u9501\u76f8\u73af\u6d4b\u8bd5<\/p><p>\u9ad8\u6027\u80fd\u9501\u76f8\u73af\u548c\u9891\u7efc\u6d4b\u8bd5\u4e0d\u4ec5\u9700\u8981\u50cfR&amp;S FSPN\u8fd9\u6837\u5177\u5907-163 dBc\/Hz(1 GHz\u9891\u7387, 10 kHz\u9891\u504f\uff0c\u4e00\u6b21\u4e92\u76f8\u5173)\u4f18\u5f02\u76f8\u566a\u80fd\u529b\u7684\u76f8\u566a\u5206\u6790\u4eea\uff0c\u8fd8\u9700\u8981\u7ed9\u88ab\u6d4b\u7684\u9891\u7efc\u6a21\u5757\u63d0\u4f9b\u975e\u5e38\u5e72\u51c0\u7684\u65f6\u949f\u4f5c\u4e3a\u53c2\u8003\u3002\u9ad8\u6027\u80fd\u6a21\u62df\u6e90R&amp;S SMA100B\u5177\u5907-152 dBc\/Hz\uff081 GHz\u9891\u7387, 10 kHz\u9891\u504f\uff09\u7684\u76f8\u566a\u6c34\u5e73\u548c\u4f18\u5f02\u7684\u65f6\u949f\u6296\u52a8\u6307\u6807\uff0c\u9664\u4e86\u5177\u5907\u6700\u9ad8\u9891\u7387\u8fbe67 GHz\u7684\u5c04\u9891\u8f93\u51fa\u80fd\u529b\u5916\uff0c\u540c\u65f6\u53ef\u5177\u5907\u7b2c\u4e8c\u8def6 GHz\u5dee\u5206\u65f6\u949f\u8f93\u51fa\u53e3\uff0c\u662f\u9ad8\u6027\u80fd\u9891\u7efc\u9501\u76f8\u73af\u65f6\u949f\u53c2\u8003\u7684\u6700\u4f73\u9009\u62e9\u3002<\/p><p>\u4e3a\u4e86\u8bc4\u4f30\u9891\u7efc\u7684\u7cfb\u7edf\u88d5\u91cf\u6307\u6807\uff0c\u8fd8\u9700\u8981\u4fe1\u53f7\u6e90\u53ef\u63d0\u4f9b\u81ea\u5b9a\u4e49\u76f8\u566a\u66f2\u7ebf\u7684\u4fe1\u53f7\u6e90\uff0cR&amp;S SMW200A\u77e2\u91cf\u4fe1\u53f7\u6e90\u81ea\u8eab\u5177\u5907-150 dBc\/Hz(1 GHz\u9891\u7387, 10 kHz\u9891\u504f)\u7684\u4f18\u5f02\u76f8\u566a\uff0c\u5728\u589e\u52a0SMW-K810\u9009\u4ef6\u540e\u53ef\u63d0\u4f9b5\u4e2a\u9891\u7387\u504f\u79fb\u70b9\u7684\u76f8\u566a\u7f16\u8f91\u80fd\u529b\uff0c\u7528\u4e8e\u5e2e\u52a9\u9a8c\u8bc1\u9891\u7efc\u7684\u7cfb\u7edf\u88d5\u91cf\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci004.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"446\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci004-1024x446.jpg\" alt=\"\" class=\"wp-image-5121\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci004-1024x446.jpg 1024w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci004-300x131.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci004-768x334.jpg 768w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci004-600x261.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci004-64x28.jpg 64w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci004.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption> \u9ad8\u6027\u80fd\u9891\u7efc\u6d4b\u8bd5\u6846\u56fe <\/figcaption><\/figure><\/div><p>\u6296\u52a8\u4f20\u9012\u51fd\u6570(JTF)\u548c3 dB\u73af\u8def\u5e26\u5bbd\u662f\u8861\u91cf\u9501\u76f8\u73af\u7684\u91cd\u8981\u6307\u6807\u4e4b\u4e00\uff0c\u901a\u5e38\u9501\u76f8\u73af\u5185\u90e8\u5177\u6709\u6296\u52a8\u8870\u51cf\u6a21\u5757\u7528\u4e8e\u6296\u52a8\u4f18\u5316\uff0c\u501f\u52a9\u4e8e\u6a21\u62df\u6e90R&amp;S SMA100B\u7684\u6a21\u62df\u8c03\u5236\u9009\u4ef6(K720)\u7684\u76f8\u4f4d\u8c03\u5236\u7279\u6027\u6765\u6a21\u62df\u6296\u52a8\u7684\u65f6\u949f\u53c2\u8003\uff0c\u540c\u65f6\u7f57\u5fb7\u4e0e\u65bd\u74e6\u8328\u63d0\u4f9b\u8f6f\u4ef6\u63a7\u5236R&amp;S SMA100B\u548cFSPN\uff0c\u6267\u884c\u6821\u51c6\u548c\u6d4b\u91cf\u4e24\u6b65\u64cd\u4f5c\uff0c\u81ea\u52a8\u5b8c\u6210\u6296\u52a8\u4f20\u9012\u51fd\u6570(JTF)\u548c\u73af\u8def\u5e26\u5bbd\u6307\u6807\u6d4b\u8bd5\u3002<\/p><figure class=\"wp-block-image size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci005.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"386\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci005-1024x386.jpg\" alt=\"\" class=\"wp-image-5122\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci005-1024x386.jpg 1024w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci005-300x113.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci005-768x289.jpg 768w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci005-600x226.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci005-64x24.jpg 64w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci005.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption> \u6296\u52a8\u4f20\u9012\u51fd\u6570JTF\u6d4b\u8bd5 <\/figcaption><\/figure><p>PCIe 5.0\/6.0\u9ad8\u901f\u63a5\u53e3\u6d4b\u8bd5<\/p><p>\u5982\u56fe7\u6240\u793a\uff0cPCIe 4.0\/5.0\/6.0\u9ad8\u901f\u63a5\u53e3\u89c4\u8303\u5bf9\u65f6\u949f\u6296\u52a8\u8981\u6c42\u8d8a\u6765\u8d8a\u9ad8\uff0c\u53ea\u80fd\u901a\u8fc7\u4e13\u7528\u76f8\u566a\u5206\u6790\u4eea\u5b8c\u6210\u3002\u7f57\u5fb7\u4e0e\u65bd\u74e6\u8328\u4e3aPCIe\u6700\u65b0\u89c4\u8303\u6d4b\u8bd5\u63d0\u4f9b\u4e86\u81ea\u52a8\u5316\u6d4b\u8bd5\u8f6f\u4ef6\uff0c\u53ef\u5b9e\u73b0\u81ea\u52a8\u63a7\u5236\u76f8\u566a\u5206\u6790\u4eeaR&amp;S FSPN\uff0c\u4f9d\u636e\u534f\u8bae\u6a21\u677f\u5b8c\u6210\u53c2\u8003\u65f6\u949f\u6307\u6807\u6d4b\u8bd5\u3002\u7531\u4e8e\u9891\u7387\u53c2\u8003\u662f\u7535\u8def\u677f\u7684\u4e00\u4e2a\u4e3b\u8981 EMI \u6765\u6e90\uff0c\u4e00\u822c\u90fd\u6709\u6269\u9891\u65f6\u949f(SSC)\u8981\u6c42\uff0c\u800c\u901a\u5e38\u7684\u76f8\u566a\u4eea\u65e0\u6cd5\u652f\u6301\u6269\u9891\u65f6\u949f\u6d4b\u8bd5\uff0cR&amp;S FSPN\/FSWP\u91c7\u7528\u4e86\u76f4\u63a5\u6570\u5b57\u89e3\u8c03\u76f8\u566a\u6d4b\u8bd5\u6cd5\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u652f\u6301\u975e\u6269\u9891\u65f6\u949f(SSC)\u548c\u6269\u9891\u65f6\u949f(SSC)\u4e24\u79cd\u6d4b\u8bd5\u8981\u6c42\u3002<br><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci006.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"562\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci006-1024x562.jpg\" alt=\"\" class=\"wp-image-5123\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci006-1024x562.jpg 1024w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci006-300x165.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci006-768x422.jpg 768w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci006-600x329.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci006-64x35.jpg 64w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci006.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption> PCIe\u53c2\u8003\u65f6\u949f\u4e00\u81f4\u6027\u6d4b\u8bd5\u81ea\u52a8\u5316\u8f6f\u4ef6 <\/figcaption><\/figure><\/div><p>\u9664\u4e86\u53c2\u8003\u65f6\u949f\u6d4b\u8bd5\uff0cR&amp;S FSPN\u4e5f\u53ef\u4ee5\u652f\u6301PCIe\u7cfb\u7edf\u7ea7TX\u968f\u673a\u6296\u52a8(RJ)\u6307\u6807\u8981\u6c42\uff0c\u53ea\u9700\u8981\u628a\u6570\u636e\u56fa\u5b9a\u4e3a0101\u2026\u6570\u636e\u3002\u7531\u4e8ePCIe 5.0\/6.0\u4e2dSERDES PLL\u9891\u7387\u4e3a16 GHz\uff0c\u6b64\u65f6PCIe\u7684TX\u6570\u636e\u5c31\u662f\u56fa\u5b9a\u768416 GHz\u9891\u7387\u7684\u65f6\u949f\u4fe1\u53f7\uff0cR&amp;S FSPN\u5355\u673a\u9891\u7387\u53ef\u8fbe26.5 GHz\uff0c\u975e\u5e38\u65b9\u4fbf\u5730\u5b8c\u6210PCIe 16 GHz\u7684\u65f6\u949f\u6296\u52a8\u6d4b\u8bd5\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci007.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"976\" height=\"405\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci007.jpg\" alt=\"\" class=\"wp-image-5124\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci007.jpg 976w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci007-300x124.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci007-768x319.jpg 768w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci007-600x249.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2022\/01\/pci007-64x27.jpg 64w\" sizes=\"(max-width: 976px) 100vw, 976px\" \/><\/a><figcaption> PCIe TX\u968f\u673a\u6296\u52a8\u6d4b\u8bd5\u6846\u56fe <\/figcaption><\/figure><\/div><h2 class=\"wp-block-heading\"><strong>\u603b\u7ed3<\/strong><\/h2><p>\u65b0\u4e00\u4ee3\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u5f15\u5165\u66f4\u9ad8\u9891\u7387\u548c\u9ad8\u9636\u8c03\u5236\uff0c\u5bf9\u6536\u53d1\u4fe1\u673a\u7684\u76f8\u566a\u6307\u6807\u8981\u6c42\u66f4\u52a0\u82db\u523b\uff0c\u53e6\u4e00\u65b9\u9762\uff0c\u9ad8\u6027\u80fd\u670d\u52a1\u5668\u548c400\/800G\u6570\u636e\u4e2d\u5fc3\u5e26\u52a8\u4e86SERDES 112\/224G\u548cPCIe 5.0\/6.0\u65b0\u63a5\u53e3\u6807\u51c6\u7684\u7814\u53d1\uff0c\u65f6\u949f\u6296\u52a8\u6307\u6807\u8fdb\u4e00\u6b65\u63d0\u5347\uff0c\u9700\u8981\u6709\u8db3\u591f\u6307\u6807\u88d5\u91cf\u7684\u76f8\u566a\u5206\u6790\u4eea\u6ee1\u8db30.1 ps\u751a\u81f3\u66f4\u9ad8\u7684\u6d4b\u8bd5\u8981\u6c42\u3002\u76f8\u566a\u5206\u6790\u4eeaR&amp;S FSPN\u91c7\u7528\u4e86\u76f4\u63a5\u6570\u5b57\u89e3\u8c03\u6280\u672f\uff0c\u76f8\u566a\u548c\u6296\u52a8\u6307\u6807\u4f18\u5f02\uff0c\u6d4b\u8bd5\u901f\u5ea6\u5feb\uff0c&nbsp;\u6ee1\u8db3\u4e0b\u4e00\u4ee3\u65e0\u7ebf\u901a\u4fe1\u3001\u6709\u7ebf\u9ad8\u901f\u63a5\u53e3\u3001\u4ee5\u53ca\u96f7\u8fbe\u7684\u76f8\u566a\u548c\u6296\u52a8\u6d4b\u8bd5\u8981\u6c42\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5728\u9ad8\u901f\u6709\u7ebf\u6570\u5b57\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u7531\u4e8e\u50cf5G 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