https://community.nxp.com/t5/Layerscape/RMS-jitter/m-p/2325328#M16544 <P>It refers to&nbsp;<SPAN>phase jitter.</SPAN></P> Tue, 03 Mar 2026 03:17:18 GMT yipingwang 2026-03-03T03:17:18Z https://community.nxp.com/t5/Layerscape/RMS-jitter/m-p/2324039#M16526 <DIV>[English Translation]</DIV><DIV>Regarding Table 65 in the LX2160A datasheet, which states:&nbsp;</DIV><DIV>&nbsp;</DIV><DIV><SPAN>'PCIe 8G</SPAN></DIV><DIV><SPAN>SDn_PLLm_REF_CLK_P/</SPAN></DIV><DIV><SPAN>SDn_PLLm_REF_CLK_N RMS</SPAN></DIV><DIV><SPAN>reference clock jitter'</SPAN></DIV><DIV>&nbsp;</DIV><DIV>I understand that when using RMS for jitter, there are two types: period jitter and phase jitter.</DIV><DIV>&nbsp;Which characteristic does the above specification refer to?</DIV><DIV>&nbsp;</DIV><DIV>[Original Text in Japanese]</DIV><DIV>LX2160Aデータシートのtable 65.にて</DIV><DIV>"PCIe 8G SDn_PLLm_REF_CLK_P/SDn_PLLm_REF_CLK_N RMS</DIV><DIV>&nbsp;reference clock jitter"と記載ありますが、jitterでRMSを使用する場合、</DIV><DIV>&nbsp;periodとphaseの2種類がある認識です。上記はどちらの特性を指しているのでしょうか？</DIV><P>&nbsp;</P> Fri, 27 Feb 2026 01:49:24 GMT https://community.nxp.com/t5/Layerscape/RMS-jitter/m-p/2324039#M16526 KAZU_ISHI 2026-02-27T01:49:24Z https://community.nxp.com/t5/Layerscape/RMS-jitter/m-p/2325328#M16544 <P>It refers to&nbsp;<SPAN>phase jitter.</SPAN></P> Tue, 03 Mar 2026 03:17:18 GMT https://community.nxp.com/t5/Layerscape/RMS-jitter/m-p/2325328#M16544 yipingwang 2026-03-03T03:17:18Z