[SI-LIST] Re: X-talk
- From: Ed Sayre III <esayre3@xxxxxxxx>
- To: scott@xxxxxxxxxxxxx
- Date: Fri, 15 Apr 2005 10:25:16 -0400
Jayaprakash,
I agree with Scott, moreover, xtalk is very subjective to the edge=20
rates/frequencies you are running. Also, if you are looking at xtalk in a=
=20
model form, make sure the model is accurate to your needs. Lastly, make=20
sure you understand which xtalk you are worried about as they apply to your=
=20
topology and architecture.
Regards
-Ed
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
NORTH EAST SYSTEMS ASSOCIATES, INC
-------------------------------------=20
"High Performance Engineering & Design"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr. Edward Sayre 3rd e-mail: esayre3@xxxxxxxx
NESA, Inc. http://www.nesa.com/
235 Littleton Rd, Unit 2 Tel +1.978.392-8787
Westford, MA 01886 USA Fax +1.978.392-8686
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
At 09:37 AM 4/15/2005 -0400, Scott McMorrow wrote:
>Jayaprakash,
>
>That is a design decision that only you or your board designer can
>decide. There are numerous articles in the literature that discuss
>this, and numerous standards documents that include crosstalk in their
>margin analysis. The PCI-X specification comes to mind as one that
>attemped to cover all noise sources in it's margin analysis.
>
>regards,
>
>Scott
>
>Scott McMorrow
>Teraspeed Consulting Group LLC
>121 North River Drive
>Narragansett, RI 02882
>(401) 284-1827 Business
>(401) 284-1840 Fax
>
>http://www.teraspeed.com
>
>Teraspeed=AE is the registered service mark of
>Teraspeed Consulting Group LLC
>
>
>
>Jayaprakash wrote:
>
> >Hi,
> >
> > What is the acceptable margin for cross talk in
> >standard products? In other words, How impending cross
> >talk problem is caught in simulations?
> >
> >
> > Thanks,
> >
> > Kind regards,
> > Jayaprakash.
> >
> >
> >
> >Balachandran Jayaprakash
> >Celestijnenlaan,
> >3/61, 3001, Heverlee,
> >Leuven, Belgium.
> >Mobile: +32-472-630120
> >
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