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Subject: PCI Video Card
Author: Robert Terry at internet
List-Post: emc-pstc@listserv.ieee.org
Date:8/29/96 7:52
We are currently in the process of designing a new PCI bus video card. This
card has 1 video D-Sub port. We have seen application
%>From: littlew...@aol.com
%>
%>I would really like to review the problems that caused you to separate
%>grounds. This is NOT normal practice and I am intrigued. Properly
%>implemented, connection between logic and chassis dramatically reduces EME
%>and improves immunity.
%>
%>My recommendation:
DACs
with no output filtering so the designs are aggressive and well implemented.
Good luck.
tony_fredriks...@netpower.com
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From: Robert Terry
To: emc-pstc
Subject: PCI Video Card
List-Post: emc-pstc@listserv.ieee.org
Date: Thursday, August 29, 1996 10:23AM
We are currently in the
I would really like to review the problems that caused you to separate
grounds. This is NOT normal practice and I am intrigued. Properly
implemented, connection between logic and chassis dramatically reduces EME
and improves immunity.
My recommendation: Connect the grounds - CAREFULLY!
We are currently in the process of designing a new PCI bus video card. This
card has 1 video D-Sub port. We have seen application notes indicating that
the best way to minimize potential radiated emissions from this port would
be to tie the D-Sub connector shell (chassis) to the logic ground on t
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