Re: [SI-LIST] : PCI Bus problem (an interesting one)

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From: Scott McMorrow (scott@vasthorizons.com)
Date: Mon Nov 20 2000 - 12:39:30 PST


Mike,

Add to this list:

Package coupling (often huge)
FET switching substrate coupling (interesting effect)

regards,

scott

--
Scott McMorrow
Principal Engineer
SiQual, Signal Quality Engineering
18735 SW Boones Ferry Road
Tualatin, OR  97062-3090
(503) 885-1231
http://www.siqual.com

Mike Mayer wrote:

> [PCI problems simulation vs. real board] > > PCI is meant to be unterminated and so there can be overshoot and > ringing. That said, I can think of several things that can cause > differences between simulated and measured results: > > - models (of course) > - only looking at typ simulation data (real board may be closer to > min or max) > - limited bandwidth of scope used to measure board or poor > connection to board. > > --

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