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November 2008

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Subject:
From:
David Baldwin <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, David Baldwin <[log in to unmask]>
Date:
Mon, 24 Nov 2008 15:09:00 -0700
Content-Type:
text/plain
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text/plain (98 lines)
Well that's was my feeling too, that it would matter, that's why I 
was questioning it.  but the 64K question is "How much does it matter?".

Thanks to everyone for all of your responses!

Dave

At 08:17 AM 11/24/2008, you wrote:
>David,
>It really depends on how much signal degradation you can handle.
>In most cases you would be ok but if it is a 6G data line with very low
>tolerance then
>you may have issues.
>To answer your original question though, I disagree that since you are
>coupled to one plane that the
>integrity of the other plane does not matter. In reality, you are somewhat
>coupled to both planes so it does matter.
>Regards
>Ken
>
>_____________________________________
>  Kenneth J. Wood
>President
>Saturn PCB Design, Inc.              *  <mailto:[log in to unmask]>
>[log in to unmask]
>2737 Bishop Lane                       * (407) 340-2668
>Deltona, Fl 32725                       fax: (386) 789-2765
>www.saturnpcb.com
>PCB_Design_new
>
>
>
>
>
>
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of David Baldwin
>Sent: Monday, November 24, 2008 9:36 AM
>To: [log in to unmask]
>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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