Hi David,
You asked/stated:
>Caps to ground can not be greater than .022 uF for FCC impedance
>to ground during ringing limit of 100k ohms, it will still pass FCC leakage
>current test at 6.8 mV @ 1000V. Have I missed anything about impact of
>caps to ground for European requirements?
Don't f
Hello,
I finally passed rf conducted immunity on my telephone cards! As it turned out,
not only the telephone card using the Legerity 79R70 was demodulating but also,
the card
towards the network using a Mitel/Zarlink MH88437AD-P.
To each card I added a common mode choke (TDK ZJYS51R5-2PB), two
ng and
more..."³>INTERNET:cet...@cetest.nl
Subj: RE: EN 55024 Annex A.1
Chrg: $0.00 Imp: Norm Sens: StdReceipt: NoParts: 3
From: "CE-test - Ing. Gert Gremmen - ce-marking and more..."
Subject: RE: EN 55024 Annex A.1
List-Post: emc-pstc@listserv.ieee.org
Date: Sun, 27
==
-Original Message-
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of David Gelfand
Sent: Thursday, May 24, 2001 8:27 PM
To: emc-p...@ieee.org
Subject: EN 55024 Annex A.1
Help!
When we inject as per IEC 61000-4-6, the 1 kHz tone is
<006e01c0e533$9afc6960$38581...@memotec.com>, David Gelfand
inimitably wrote:
>I understand that
>any p-n junction will demodulate AM signals, can't remember the explanation.
ANY non-linearity whatsoever will demodulate AM signals, even a rusty
drainpipe.
--
Regards, John Woodgate, OOO - Own O
Engineer
Paxar - Monarch
e-mail: jim_bac...@monarch.com
voice: 1-937-865-2020
fax: 1-937-865-2048
Reply Separator
Subject:RE: EN 55024 Annex A.1
Author: "Colgan; Chris"
List-Post: emc-pstc@listserv.ieee.org
Date: 5/25/01 12:44 PM
David
Chris,
Nice to know I am not alone, or I guess misery loves company. I understand that
any p-n junction will demodulate AM signals, can't remember the explanation. I
sometimes wonder which field is seen as the blacker magic, emc or high end
audio?
Regards,
David.
---
lto:chris.col...@tagmclarenaudio.com
* http://www.tagmclarenaudio.com
> -Original Message-
> From: David Gelfand [SMTP:gelf...@memotec.com]
> Sent: 24 May 2001 19:28
> To: emc-p...@ieee.org
> Subject: EN 55024 Annex A.1
>
> Help!
>
> When we inject as per IEC 6100
If possible, I would suggest to do the test with CDN and do it in a shielded
room with all the measuring equipment located outside of the room.
>>> "David Gelfand" 05/25/01 04:06am >>>
Joe,
The test was done by Nemko Canada using the clamp method. The clamp was
calibrated a few hours before
Joe,
The test was done by Nemko Canada using the clamp method. The clamp was
calibrated a few hours before my test. The equipment was 10 cm over a ground
plane, and they were monitoring the test voltage with a clamp to be sure not to
overtest. Is the coupling network a better bet than the cl
In a message dated 5/24/01, David Gelfand writes:
> When we inject as per IEC 61000-4-6, the 1 kHz tone is demodulated and is
> VERY loud in the telephone earpiece! This happens no matter which i/o
> cable we inject, even the power cord.
Hi David:
While it is not surprising for an unprotec
Help!
When we inject as per IEC 61000-4-6, the 1 kHz tone is demodulated and is VERY
loud in the telephone earpiece! This happens no matter which i/o cable we
inject, even the power cord. The conducted RF appears to re-radiate inside the
chassis and is being picked up by the line card. We us
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