"Fleury, Bill" wrote:
>
> Judging from the number of responses (0) I got to my question about EMI
> problems from compactPCI backplanes I am assumiong that either no one uses
> cPCI backplanes or I'm the only one that has experienced problems when
> testing in th
bi...@artesyncp.com
Subj: RE: compactPCI bus
Chrg: $0.00 Imp: Norm Sens: StdReceipt: NoParts: 1
From: "Fleury, Bill"
Subject: RE: compactPCI bus
List-Post: emc-pstc@listserv.ieee.org
Date: Tue, 19 Sep 2000 12:44:11 -0500
Thanks Cortland,
I was thinking that I was goi
"Fleury, Bill" wrote:
>
> Judging from the number of responses (0) I got to my question about EMI
> problems from compactPCI backplanes I am assumiong that either no one uses
> cPCI backplanes or I'm the only one that has experienced problems when
> testing in this en
Judging from the number of responses (0) I got to my question about EMI
problems from compactPCI backplanes I am assumiong that either no one uses
cPCI backplanes or I'm the only one that has experienced problems when
testing in this environment. I didn't think that ever happened in
Dear Jeff,
The specification is certainly an improvement in EMC. For screening purposes a
metal cabinet need not be earthed.
For Common mode emission reduction, a metal cabinet is often used as earth.
These are 2 functions that in the case of high level HF-currents become to
conflict, due to th
ls within
a board can be a culprit. Return currents from normal usage and/or
from transients superimposed on one another can be another problem
source.
All of course dependent upon your specific product.
Regards, Doug
--
> From: je...@ibus.com
> To: emc-p...@majordomo.ieee.o
m: je...@ibus.com
To: emc-p...@majordomo.ieee.org
Subject: CompactPCI
List-Post: emc-pstc@listserv.ieee.org
Date: Monday, January 26, 1998 12:12PM
I am seeking advise and comments concerning EMC testing and approval of
CompactPCI chassis.
My background is in personal computers and similar I
analog designers also want some degree of
isolation below 10 MHz.
Regards,
Eric Lifsey
Compliance Engineer
National Instruments
je...@ibus.com on 01/26/98 11:12:20 AM
Please respond to je...@ibus.com
To: emc-p...@majordomo.ieee.org
cc:(bcc: Eric Lifsey/AUS/NIC)
Subject: CompactPCI
I
I am seeking advise and comments concerning EMC testing and approval of
CompactPCI chassis.
My background is in personal computers and similar ITE equipment. The
current practice is to tie logic ground and chassis ground together as
often as possible. Many circuit boards tie logic ground and
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