{"id":72657,"date":"2026-02-06T10:49:41","date_gmt":"2026-02-06T02:49:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/72657.html"},"modified":"2026-02-06T10:49:41","modified_gmt":"2026-02-06T02:49:41","slug":"pcie-gen4-gen5-%e4%b8%ba%e4%bd%95%e9%a2%91%e9%a2%91%e7%bf%bb%e8%bd%a6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/72657.html","title":{"rendered":"PCIe Gen4 \/ Gen5 \u4e3a\u4f55\u9891\u9891\u7ffb\u8f66\uff1f"},"content":{"rendered":"<h2>&#x1f525;PCIe Gen4 \/ Gen5 \u4e3a\u4f55\u9891\u9891\u7ffb\u8f66&#xff1f;<\/h2>\n<h3>\u4e00\u6b21\u8bb2\u900f&#xff1a;\u901a\u9053\u9884\u7b97 \u00d7 EQ \u00d7 PI \u8054\u5408\u4eff\u771f\u7684\u201c\u771f\u5b9e\u5de5\u7a0b\u903b\u8f91\u201d<\/h3>\n<p>&#x1f3af;\u5199\u7ed9&#xff1a; \u6b63\u5728\u505a Gen4 \/ Gen5&#xff0c;\u5374\u603b\u611f\u89c9\u201c\u54ea\u91cc\u4e0d\u5bf9\u52b2\u201d\u7684\u4f60<\/p>\n<p>&#x1f697;\u5173\u952e\u8bcd&#xff1a;PCIe Gen4 \/ Gen5\u3001Channel Budget\u3001EQ\u3001PI\u3001Eye Diagram\u3001\u8054\u5408\u4eff\u771f<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u5148\u6cfc\u4e00\u76c6\u51b7\u6c34&#xff1a;<\/h3>\n<h4>PCIe Gen5 \u7684\u95ee\u9898&#xff0c;90% \u4e0d\u5728\u201c\u7ebf\u201d&#xff0c;\u800c\u5728\u201c\u7cfb\u7edf\u201d<\/h4>\n<p>\u5f88\u591a\u4eba\u7b2c\u4e00\u6b21\u4e0a Gen4 \/ Gen5&#xff0c;\u90fd\u4f1a\u7ecf\u5386\u540c\u4e00\u4e2a\u9636\u6bb5&#xff1a;<\/p>\n<p>\u2714 \u63d2\u635f\u7b97\u8fc7 \u2714 SI \u4eff\u771f\u8dd1\u8fc7 \u2714 \u89c4\u5219\u5168\u6309 Guide \u6765 \u274c \u4e0a\u677f\u540e\u773c\u56fe\u4e00\u584c\u7cca\u6d82<\/p>\n<p>\u95ee\u9898\u771f\u4e0d\u662f\u4f60\u4e0d\u8ba4\u771f&#xff0c;\u800c\u662f\u2014\u2014<\/p>\n<p>Gen5 \u5df2\u7ecf\u4e0d\u662f\u201c\u9ad8\u901f\u5e03\u7ebf\u95ee\u9898\u201d&#xff0c; \u800c\u662f\u201c\u7cfb\u7edf\u534f\u540c\u8bbe\u8ba1\u95ee\u9898\u201d\u3002<\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u4ec0\u4e48\u53eb\u201c\u901a\u9053\u9884\u7b97\u201d&#xff1f;\u522b\u518d\u53ea\u76ef\u7740\u63d2\u635f\u4e86 &#x1f6a8;<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260206024934-698556be6f77d.png\" alt=\"Image\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260206024935-698556bfd65a5.png\" alt=\"Image\" \/><\/p>\n<h4>1\ufe0f\u20e3 \u901a\u9053\u9884\u7b97 \u2260 \u4e00\u6761\u63d2\u635f\u66f2\u7ebf<\/h4>\n<p>\u5728\u771f\u5b9e\u5de5\u7a0b\u91cc&#xff0c;\u901a\u9053\u81f3\u5c11\u62c6\u6210 4 \u5757&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         L<\/p>\n<p>         o<\/p>\n<p>         s<\/p>\n<p>          s<\/p>\n<p>           t<\/p>\n<p>           o<\/p>\n<p>           t<\/p>\n<p>           a<\/p>\n<p>           l<\/p>\n<p>         (<\/p>\n<p>         f<\/p>\n<p>         )<\/p>\n<p>         &#061;<\/p>\n<p>         L<\/p>\n<p>         o<\/p>\n<p>         s<\/p>\n<p>          s<\/p>\n<p>           t<\/p>\n<p>           r<\/p>\n<p>           a<\/p>\n<p>           c<\/p>\n<p>           e<\/p>\n<p>         (<\/p>\n<p>         f<\/p>\n<p>         )<\/p>\n<p>         &#043;<\/p>\n<p>         L<\/p>\n<p>         o<\/p>\n<p>         s<\/p>\n<p>          s<\/p>\n<p>           v<\/p>\n<p>           i<\/p>\n<p>           a<\/p>\n<p>         (<\/p>\n<p>         f<\/p>\n<p>         )<\/p>\n<p>         &#043;<\/p>\n<p>         L<\/p>\n<p>         o<\/p>\n<p>         s<\/p>\n<p>          s<\/p>\n<p>           c<\/p>\n<p>           o<\/p>\n<p>           n<\/p>\n<p>           n<\/p>\n<p>           e<\/p>\n<p>           c<\/p>\n<p>           t<\/p>\n<p>           o<\/p>\n<p>           r<\/p>\n<p>         (<\/p>\n<p>         f<\/p>\n<p>         )<\/p>\n<p>         &#043;<\/p>\n<p>         L<\/p>\n<p>         o<\/p>\n<p>         s<\/p>\n<p>          s<\/p>\n<p>           p<\/p>\n<p>           a<\/p>\n<p>           c<\/p>\n<p>           k<\/p>\n<p>           a<\/p>\n<p>           g<\/p>\n<p>           e<\/p>\n<p>         (<\/p>\n<p>         f<\/p>\n<p>         )<\/p>\n<p>         Loss_{total}(f)&#061; Loss_{trace}(f)&#043; Loss_{via}(f)&#043; Loss_{connector}(f)&#043; Loss_{package}(f) <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\">L<\/span><span class=\"mord mathnormal\">os<\/span><span class=\"mord\"><span class=\"mord mathnormal\">s<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3361em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">o<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">a<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0197em\">l<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\">L<\/span><span class=\"mord mathnormal\">os<\/span><span class=\"mord\"><span class=\"mord mathnormal\">s<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2806em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mord mathnormal mtight\">a<\/span><span class=\"mord mathnormal mtight\">ce<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\">L<\/span><span class=\"mord mathnormal\">os<\/span><span class=\"mord\"><span class=\"mord mathnormal\">s<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">v<\/span><span class=\"mord mathnormal mtight\">ia<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\">L<\/span><span class=\"mord mathnormal\">os<\/span><span class=\"mord\"><span class=\"mord mathnormal\">s<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2806em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">co<\/span><span class=\"mord mathnormal mtight\">nn<\/span><span class=\"mord mathnormal mtight\">ec<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">or<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.0361em;vertical-align: -0.2861em\"><\/span><span class=\"mord mathnormal\">L<\/span><span class=\"mord mathnormal\">os<\/span><span class=\"mord\"><span class=\"mord mathnormal\">s<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3361em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">p<\/span><span class=\"mord mathnormal mtight\">a<\/span><span class=\"mord mathnormal mtight\">c<\/span><span class=\"mord mathnormal mtight\">ka<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">g<\/span><span class=\"mord mathnormal mtight\">e<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>&#x1f3af; \u5de5\u7a0b\u89c6\u89d2\u91cd\u70b9&#xff1a;<\/p>\n<ul>\n<li>Gen4 \u770b 8 GHz<\/li>\n<li>Gen5 \u770b 16 GHz<\/li>\n<li>\u4e0d\u662f\u201c\u67d0\u4e00\u70b9\u8fc7\u6ca1\u8fc7\u201d&#xff0c;\u800c\u662f\u6574\u6bb5\u9891\u8c31\u662f\u5426\u53ef EQ<\/li>\n<\/ul>\n<hr \/>\n<h4>2\ufe0f\u20e3 Via&#xff1a;\u6700\u5bb9\u6613\u88ab\u4f4e\u4f30\u7684\u201c\u6162\u6027\u6bd2\u836f\u201d<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260206024936-698556c009f24.png\" alt=\"Image\" \/><\/p>\n<p>4&#215;624.png&amp;pos_id&#061;img-t5BOTeff-1767451078425)<\/p>\n<p>\u5f88\u591a\u677f\u5b50\u662f\u8fd9\u6837\u6b7b\u7684&#xff1a;<\/p>\n<p>\u7ebf\u4e0d\u957f \u6750\u6599\u4e0d\u5dee \u4f46\u8fc7\u5b54 Stub \u592a\u957f<\/p>\n<p>\u8fc7\u5b54\u8c10\u632f\u9891\u7387\u8fd1\u4f3c\u4e3a&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          f<\/p>\n<p>           r<\/p>\n<p>           e<\/p>\n<p>           s<\/p>\n<p>         \u2248<\/p>\n<p>          c<\/p>\n<p>           4<\/p>\n<p>            L<\/p>\n<p>             s<\/p>\n<p>             t<\/p>\n<p>             u<\/p>\n<p>             b<\/p>\n<p>             \u03b5<\/p>\n<p>             r<\/p>\n<p>         f_{res}\\\\approx \\\\frac{c}{4L_{stub}\\\\sqrt{\\\\varepsilon_r}} <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8889em;vertical-align: -0.1944em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">res<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2248<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 2.1083em;vertical-align: -1.0007em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.1076em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">4<\/span><span class=\"mord\"><span class=\"mord mathnormal\">L<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3361em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">s<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">u<\/span><span class=\"mord mathnormal mtight\">b<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord sqrt\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7253em\"><span class=\"svg-align\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\" style=\"padding-left: 0.833em\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03b5<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -2.6853em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"hide-tail\" style=\"min-width: 0.853em;height: 1.08em\"><\/p>\n<p>                   <\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3147em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.677em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">c<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.0007em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>&#x1f3af; \u7ecf\u9a8c\u7ed3\u8bba&#xff08;\u771f\u8e29\u8fc7\u5751&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u4ee3\u9645\u5efa\u8bae<\/tr>\n<tbody>\n<tr>\n<td>Gen4<\/td>\n<td>Stub &lt; 0.3 mm<\/td>\n<\/tr>\n<tr>\n<td>Gen5<\/td>\n<td>\u5fc5\u987b Back-drill<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e09\u3001EQ \u4e0d\u662f\u201c\u89e3\u836f\u201d&#xff0c;\u66f4\u50cf\u201c\u5174\u594b\u5242\u201d&#x1f525;<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260206024936-698556c027681.jpg\" alt=\"Image\" \/><\/p>\n<h4>1\ufe0f\u20e3 EQ \u672c\u8d28&#xff1a;\u4e0d\u662f\u4fee\u590d&#xff0c;\u800c\u662f\u8865\u507f<\/h4>\n<p>EQ \u60f3\u5e72\u7684\u4e8b\u53ea\u6709\u4e00\u53e5\u8bdd&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          H<\/p>\n<p>           c<\/p>\n<p>           h<\/p>\n<p>           a<\/p>\n<p>           n<\/p>\n<p>           n<\/p>\n<p>           e<\/p>\n<p>           l<\/p>\n<p>         (<\/p>\n<p>         f<\/p>\n<p>         )<\/p>\n<p>         \u22c5<\/p>\n<p>          H<\/p>\n<p>           E<\/p>\n<p>           Q<\/p>\n<p>         (<\/p>\n<p>         f<\/p>\n<p>         )<\/p>\n<p>         \u2248<\/p>\n<p>         1<\/p>\n<p>         H_{channel}(f)\\\\cdot H_{EQ}(f)\\\\approx1 <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0813em\">H<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3361em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0813em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">c<\/span><span class=\"mord mathnormal mtight\">hann<\/span><span class=\"mord mathnormal mtight\">e<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0197em\">l<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u22c5<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.0361em;vertical-align: -0.2861em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0813em\">H<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3283em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0813em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">EQ<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2248<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">1<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u4f46\u8bf7\u6ce8\u610f&#xff1a;<\/p>\n<p>EQ \u53ea\u80fd\u8865\u201c\u7ebf\u6027\u635f\u8017\u201d&#xff0c; \u4e0d\u80fd\u6d88\u706d\u566a\u58f0\u3002<\/p>\n<hr \/>\n<h4>2\ufe0f\u20e3 \u5de5\u7a0b\u771f\u76f8&#xff1a;EQ \u4f1a\u653e\u5927\u201c\u4f60\u4e0d\u60f3\u653e\u5927\u7684\u4e1c\u897f\u201d<\/h4>\n<p>\u26a0\ufe0f EQ \u7684\u526f\u4f5c\u7528\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u9ad8\u9891\u566a\u58f0\u88ab\u62c9\u9ad8<\/li>\n<li>\u6296\u52a8\u88ab\u91cd\u65b0\u5206\u5e03<\/li>\n<li>\u7535\u6e90\u566a\u58f0 \u2192 \u76f4\u63a5\u8fdb\u773c\u56fe<\/li>\n<\/ul>\n<p>&#x1f3af; \u6240\u4ee5\u624d\u6709\u8fd9\u4e2a\u53cd\u76f4\u89c9\u7ed3\u8bba&#xff1a;<\/p>\n<p>\u63d2\u635f\u8d8a\u5927&#xff0c; \u7cfb\u7edf\u5bf9 PI \u7684\u8981\u6c42\u53cd\u800c\u8d8a\u82db\u523b<\/p>\n<hr \/>\n<h3>\u56db\u3001\u4e3a\u4ec0\u4e48 Gen5 \u4e00\u5b9a\u8981\u628a PI \u62c9\u8fdb\u6765&#xff1f;&#x1f697;<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260206024936-698556c037dc8.jpg\" alt=\"Image\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260206024936-698556c04a9c2.png\" alt=\"Image\" \/><\/p>\n<h4>1\ufe0f\u20e3 \u773c\u56fe\u4e0d\u597d&#xff0c;\u4e0d\u4e00\u5b9a\u662f SI \u7684\u9505<\/h4>\n<p>\u5728 Gen5 \u65f6\u4ee3&#xff0c;\u4e0b\u9762\u8fd9\u6761\u94fe\u8def\u975e\u5e38\u771f\u5b9e&#xff1a;<\/p>\n<p>PDN Noise<br \/>\n \u2192 PLL Phase Noise<br \/>\n \u2192 TX Jitter<br \/>\n \u2192 Eye Closure<\/p>\n<hr \/>\n<h4>2\ufe0f\u20e3 \u6296\u52a8\u4e0d\u662f\u201c\u4e00\u79cd\u201d&#xff0c;\u800c\u662f\u53e0\u52a0<\/h4>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          \u03c3<\/p>\n<p>           t<\/p>\n<p>           o<\/p>\n<p>           t<\/p>\n<p>           a<\/p>\n<p>           l<\/p>\n<p>         &#061;<\/p>\n<p>            \u03c3<\/p>\n<p>             R<\/p>\n<p>             J<\/p>\n<p>            2<\/p>\n<p>           &#043;<\/p>\n<p>            \u03c3<\/p>\n<p>             D<\/p>\n<p>             J<\/p>\n<p>            2<\/p>\n<p>           &#043;<\/p>\n<p>            \u03c3<\/p>\n<p>             P<\/p>\n<p>             J<\/p>\n<p>            2<\/p>\n<p>         \\\\sigma_{total}&#061; \\\\sqrt{ \\\\sigma_{RJ}^2&#043; \\\\sigma_{DJ}^2&#043; \\\\sigma_{PJ}^2 } <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.5806em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3361em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">o<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">a<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0197em\">l<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.84em;vertical-align: -0.5549em\"><\/span><span class=\"mord sqrt\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.2851em\"><span class=\"svg-align\" style=\"top: -3.8em\"><span class=\"pstrut\" style=\"height: 3.8em\"><\/span><span class=\"mord\" style=\"padding-left: 1em\"><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7959em\"><span class=\"\" style=\"top: -2.4065em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0962em\">J<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.0448em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2935em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7959em\"><span class=\"\" style=\"top: -2.4065em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">D<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0962em\">J<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.0448em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2935em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7959em\"><span class=\"\" style=\"top: -2.4065em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.1389em\">P<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0962em\">J<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.0448em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2935em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.2451em\"><span class=\"pstrut\" style=\"height: 3.8em\"><\/span><span class=\"hide-tail\" style=\"min-width: 1.02em;height: 1.88em\"><\/p>\n<p>            <\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.5549em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u5176\u4e2d&#xff1a;<\/p>\n<ul>\n<li><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>          \u03c3<\/p>\n<p>           P<\/p>\n<p>           J<\/p>\n<p>        \\\\sigma_{PJ}<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.5806em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3283em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.1389em\">P<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0962em\">J<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&#xff1a;\u7535\u6e90\u76f8\u5173\u6296\u52a8<\/li>\n<li>\u5728 Gen5 \u4e2d\u5360\u6bd4\u660e\u663e\u4e0a\u5347<\/li>\n<\/ul>\n<p>&#x1f3af; \u5de5\u7a0b\u73b0\u8c61\u4f60\u4e00\u5b9a\u89c1\u8fc7&#xff1a;<\/p>\n<p>SI \u4eff\u771f\u5b8c\u7f8e PDN \u6ca1\u5206\u6790 \u5b9e\u6d4b Eye \u5b8c\u86cb<\/p>\n<hr \/>\n<h3>\u4e94\u3001\u771f\u6b63\u9760\u8c31\u7684\u6d41\u7a0b&#xff1a;<\/h3>\n<h3>\u901a\u9053 \u00d7 EQ \u00d7 PI \u8054\u5408\u4eff\u771f&#xff08;\u5de5\u7a0b\u7248&#xff09;<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260206024938-698556c29cd70.jpg\" alt=\"Image\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260206024939-698556c3e3934.png\" alt=\"Image\" \/><\/p>\n<h4>\u2705 Step 1&#xff1a;\u901a\u9053\u5148\u522b\u201c\u592a\u70c2\u201d<\/h4>\n<ul>\n<li>\u63d2\u635f\u7559\u4f59\u91cf<\/li>\n<li>Via \/ Connector \u4f18\u5148\u5904\u7406<\/li>\n<li>\u4e0d\u628a\u5e0c\u671b\u538b\u5728 EQ \u4e0a<\/li>\n<\/ul>\n<hr \/>\n<h4>\u2705 Step 2&#xff1a;\u5e26 EQ \u7684 SI \u624d\u6709\u610f\u4e49<\/h4>\n<ul>\n<li>IBIS-AMI<\/li>\n<li>\u626b Preset \/ CTLE \/ DFE<\/li>\n<li>\u627e \u7a33\u5b9a\u533a\u95f4&#xff0c;\u800c\u4e0d\u662f\u6781\u9650\u503c<\/li>\n<\/ul>\n<hr \/>\n<h4>\u2705 Step 3&#xff1a;\u628a PDN \u62c9\u8fdb\u6765<\/h4>\n<p>\u76ee\u6807\u963b\u6297\u4e0d\u662f\u53e3\u53f7&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          Z<\/p>\n<p>           t<\/p>\n<p>           a<\/p>\n<p>           r<\/p>\n<p>           g<\/p>\n<p>           e<\/p>\n<p>           t<\/p>\n<p>         &#061;<\/p>\n<p>           \u0394<\/p>\n<p>           V<\/p>\n<p>           \u0394<\/p>\n<p>           I<\/p>\n<p>         Z_{target}&#061; \\\\frac{\\\\Delta V}{\\\\Delta I} <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.9694em;vertical-align: -0.2861em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">Z<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2806em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0715em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">a<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">g<\/span><span class=\"mord mathnormal mtight\">e<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 2.0463em;vertical-align: -0.686em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.3603em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">\u0394<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.677em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">\u0394<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.2222em\">V<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.686em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u91cd\u70b9\u770b&#xff1a;<\/p>\n<ul>\n<li>TX \/ RX \u4f9b\u7535\u963b\u6297<\/li>\n<li>\u6296\u52a8\u662f\u5426\u968f PDN \u6ce2\u52a8<\/li>\n<\/ul>\n<hr \/>\n<h4>\u2705 Step 4&#xff1a;\u53ea\u770b\u201c\u7cfb\u7edf Eye\u201d<\/h4>\n<p>&#x1f3af; \u6700\u7ec8\u5224\u65ad\u6807\u51c6\u53ea\u6709\u4e00\u53e5\u8bdd&#xff1a;<\/p>\n<p>\u6700\u5dee PVT 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