From: Scott McMorrow ([email protected])
Date: Mon Apr 17 2000 - 14:36:36 PDT
"Greim, Michael" wrote:
> What is an effective method of quantifying
> ISI's effect on jitter. Within a simulation, would
> the narrowing of an eye pattern indicate this.
Yes, a good comparison would be to simulate
a pseudo random pattern and then compare it
to a simple pattern with a large number of ones
followed by a large number of zeros.
> Would the difference between a pseudo random
> bit sequence and a clock creating the eye show
> this for a given topology?
Yes, this third comparison is also quite useful
> Thanks for the help.
> > So ... whether on not non-DC balanced data will work in a system is
> > dependent upon the available jitter and skew margin at the receivers
> > and other sources of noise, jitter and skew in the system. ISI can
> > be simulated to determine the upper bounds on it's contribution to
> > jitter.
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-- Scott McMorrow Principal Engineer SiQual, Signal Quality Engineering 18735 SW Boones Ferry Road Tualatin, OR 97062-3090 (503) 885-1231 http://www.siqual.com
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