Re: [SI-LIST] : trace to trace coupling

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From: Scott McMorrow (scott@vasthorizons.com)
Date: Fri Sep 15 2000 - 13:51:14 PDT


Sean,

Almost every frequency and edge rate today. I would never ship out
a board without performing a crosstalk analysis on every net, especially
those that are on adjacent stripline layers. We often see more than
1 Volt of crosstalk from z-axis parallelism.

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

Sean Murray wrote:

> Does anyone know the formula in order to calculate the coupling percentage > between two signals seperated by a solid ground plane? At what > frequency/edge rate does one have to start thinking about staggering their > traces so that they do not get coupling between two stripline layers.. > > Regards, > Sean Murray > General Manager > > M&M Specialties Inc. > 1236 W. Southern Ave. #106 > Tempe, AZ. 85282-4518 > Phone: (480) 858-0393 x105 > Cell: (602) 684-7859 > Fax: (480) 858-1882 > Email: seandm@mmspec.com > WWW.mmspec.com > > **** To unsubscribe from si-list or si-list-digest: send e-mail to > majordomo@silab.eng.sun.com. In the BODY of message put: UNSUBSCRIBE > si-list or UNSUBSCRIBE si-list-digest, for more help, put HELP. > si-list archives are accessible at http://www.qsl.net/wb6tpu > ****

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