[SI-LIST] Serdes RX: Power based or voltage based?

  • From: Tramp <farhilltramper@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Sun, 8 Dec 2019 09:36:57 +0000

Hi experts,
We all know sparam is power based. But when it comes to the RX sampler, it
seems to be voltage based to me. This is bcs that the slicer doesnt care if
the voltage it is sampling is inphase w/ time, or out of phase since it can
shift its time base to locate the peaks of incoming voltage. In other
words, what is cared for is the apparent power rather than the effective
power.
is my understanding correct?

Best Regards,

Tramp


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