[SI-LIST] PWj in PCIe Base Spec
- From: vinod ah <ah.vinod@xxxxxxxxx>
- To: SI-LIST <si-list@xxxxxxxxxxxxx>
- Date: Sat, 13 Jul 2013 11:54:48 +0530
Hi all,
I have one basic query on pulse width jitter (PWj) and its importance
in PCIe base spec.
When we post process the PCIE3 waveform using SIGTEST, we see that PWJ
is calculated and it has spec to pass as defined by PCIe base spec.
So was wondering, why is there a test for PWJ provided we pass the eye
height, eye width, Rj Dj jitter tests? In fact PWj is a form of Dj.
Assuming that Tj is met for BER we are looking for, is there a real
need for PWJ to pass the spec?
Also Is there any relation or equation between Tj & PWj or PWj & Dj?
Regards
Vinod A H
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