Hi,
Thanks to all that has responded to my questions and providing your
precious advice.
Regards
Koh
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Tony,
we have an EMScan, and found it to be of limited use. If you have a board
with components that protect peripheral interfaces, you really need to test
with the interfaces present in the same fashion that you would run a Qual
test. A precompliance facility does a better job than EMScan for
eron' ; Tony
J. O'Hara ; Paolo Roncone
Cc: EMC-PSTC
List-Post: emc-pstc@listserv.ieee.org
Date: 21 September 2000 18:14
Subject: Re: Component Qualification
>
>Chris & other,
>Thanks for the reply.
>
>Chris has given a great alternate method. I would like further a
eron' ; Tony
J. O'Hara ; Paolo Roncone
Cc: EMC-PSTC
List-Post: emc-pstc@listserv.ieee.org
Date: 21 September 2000 18:14
Subject: Re: Component Qualification
>
>Chris & other,
>Thanks for the reply.
>
>Chris has given a great alternate method. I would like further a
7;t reflect the opinions of my
> employer. (Why would they need me if I thought the same way they do?)
>
> Have a great day!
>
> Chris Maxwell, Design Engineer
> GN Nettest Optical Division
> 6 Rhoads Drive, Building 4
> Utica, NY 13502
> PH: 315-797-4449
> FAX: 315-
They allowed us the slack, but
it
> is our responsibility to use it with common sense.
>
> These are my two cents worth and definitely don't reflect the opinions of
my
> employer. (Why would they need me if I thought the same way they do?)
>
> Have a great day!
>
&g
hr...@gnlp.com
> -Original Message-
> From: Ralph Cameron [SMTP:ral...@igs.net]
> Sent: Wednesday, September 20, 2000 11:16 PM
> To: Tony J. O'Hara; Koh Nai Ghee
> Cc: EMC-PSTC
> Subject: Re: Component Qualification
>
>
> Tony:
>
> I have sold the
;Tony J. O'Hara"
To: "Koh Nai Ghee"
Cc: "EMC-PSTC"
Sent: Wednesday, September 20, 2000 4:42 PM
Subject: Re: Component Qualification
>
> You may want to look at using a PCB Electromagnetic Scanning System! One
> of the advertised uses for these test device
You may want to look at using a PCB Electromagnetic Scanning System! One
of the advertised uses for these test devices is for quickly comparing EMC
performance when component changes are made etc.! I believe there are 4
different manufacturers who make these devices. The one that I'm just
startin
ce for ferrites or higher resonance frequency for capacitors) I go on to
step 2.
2. Test
Just my opinion...
Hope this helps.
Paolo
-Messaggio originale-
Da: Koh Nai Ghee [SMTP:koh...@cyberway.com.sg]
Inviato:martedì 19 settembre 2000 22.48
A: EMC-PSTC
Oggetto:C
Group,
Can anyone advice on any guide for checking/qualifying second source
component, such as crystal, oscillator & ferrite bead, mounted on
product is still meeting the emission limits?
We are manufacturer of pheripherals cards. Some card has crystal and/or
oscillator for digital circuitry. Fer
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