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Date:	Thu, 24 May 2012 08:26:08 -0700
Message-ID:	<CAN0Jx-9co9=9cU9aGfKdyhmjQC3je+n-3z0vFM+4xYDiCGvcoQ@mail.gmail.com>
Subject:	Re: [geda-user] Chassis ground vs Circuit ground
From:	Russell Dill <Russ DOT Dill AT asu DOT edu>
To:	geda-user AT delorie DOT com
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On Thu, May 24, 2012 at 7:45 AM, Joshua Lansford
<Joshua DOT Lansford AT laserlinc DOT com> wrote:
> Hello.
>   I have an Ethernet Jack with a separate chassis ground.  The grounds
> connect by zero ohm resistors beside the jack.  Supposedly this keeps noise
> from following the cable onto board.  I saw somewhere not connect chassis
> and  together on the board but though the enclosure.  The card with plated
> edges slides into a metal extrusion.  Should both edges be chassis ground or
> should one be circuit ground?   This supposedly keeps a DC difference from
> developing but dissipates noise.  What are your opinions about how to deal
> with chassis ground vs circuit ground?
> ~Joshua

http://www.sigcon.com/Pubs/news/7_02.htm
http://www.sigcon.com/Pubs/edn/multipleadc.htm
http://www.sigcon.com/Pubs/news/2_17.htm

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