RE: [SI-LIST] : 2.5Gbps across a backplane?

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From: Greim, Michael (mgreim@mc.com)
Date: Mon Oct 16 2000 - 06:04:35 PDT


I am not sure if you simply don't understand the term
or you want a more detailed explanation. I will assume
the former:

Edge coupled diff pair:

                ------- -------
        conductor one conductor two

Broadside coupled diff pair:

                ------- conductor one

                ------- conductor two

An edge coupled diff pair are routed on the same layer
A broadside coupled diff pair are routed on adjacent layers.
As the term implies, the coupling occurs along the broad
side of the conductor.

best regards,

Michael Greim

-----Original Message-----
From: RMELLISON@aol.com [mailto:RMELLISON@aol.com]
Sent: Sunday, October 15, 2000 11:28 PM
To: mnudelman@tellium.com; TDerego@nexabit.com
Cc: si-list@silab.eng.sun.com
Subject: Re: [SI-LIST] : 2.5Gbps across a backplane?

Someone please explain broadside coupling to me.
Richard Ellison

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