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November 2008

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Subject:
From:
Lee parker <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Lee parker <[log in to unmask]>
Date:
Mon, 24 Nov 2008 17:56:14 -0500
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Dave
At best this is not a good practice. An ANSOFT simulation will give you a 
good approximation of the degradation. I understand there are several design 
houses which provide this service as the software is very expensive.

Best regards
Lee
JLP Consultants LLC
804 779 3389


----- Original Message ----- 
From: "David Baldwin" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, November 24, 2008 9:35 AM
Subject: [TN] Stripline Traces and Plane Splits


> Fellow Designers:
>
> I am designing a board with differential pairing in a stripline
> configuration.  One the bottom side is a solid ground plane.  On the
> top side is a split power plane.
>
> I was told that running traces across the splits is not a significant
> problem as there is a solid ground plane on the other side for the
> return currents to flow.
>
> Do you agree with this assessment and what has your personal
> experience told you.
>
> Thanks in advance for your opinions and response.
>
> David Baldwin CID+
>
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