RE: [SI-LIST] : CPW and CPS

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From: Issa, Elie (Elie.Issa@compaq.com)
Date: Fri Jan 19 2001 - 13:13:57 PST


There is a good paper on CPW. It was published by "The Microwave Symposium
Digest,1992" Pages 979-982, Vol-2. The Title
is "Multilayer Coplanar Waveguide for High Speed Digital Applications". It
was authored by 'El-Sharawy, E-B' from Arizona State University.

Elie Michael Issa
Signal Integrity Group
Corporate Design Automation
ISSD, Enterprise Computing Group
COMPAQ Computer Corporation, Houston
Phone: 281-518-5492 / Fax: 281-518-0652
Elie.Issa@compaq.com

-----Original Message-----
From: Chris Padilla [mailto:cpad@cisco.com]
Sent: Friday, January 19, 2001 12:35 PM
To: Scott McMorrow
Cc: SI-LIST@silab.eng.sun.com
Subject: Re: [SI-LIST] : CPW and CPS

Scott,

In my young career as an EMI engineer, I have never seen anyone use CPW or
CPS. These waveguides seem mostly reserved for and used by the microwave
community. Is there any good common literature out there on the web
somewhere regarding these seemingly little used waveguides? We have tons
and tons of stuff on microstrips and striplines (and the slight variations
of those) but I don't see much on the CPW or CPS. CPS = coplanar striplines

----->Chris

>Aubrey,
>*<snip>*
>Another solution which works quite well is to use CPW or
>grounded CPW construction for diff pairs on outer layers.
>
>
>regards,
>
>scott

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