Monrad,
Please find the following answers regarding Taiwan BSMI's requirements
concerning 1-6GHz. The answers are provided by the chief EMC engineer at BSMI.
Regarding Taiwan BSMI, how
:18 AM
To: Monrad Monsen
Cc: Spencer, David H; emc-p...@ieee.org
Subject: Re: EN55022:1998, +A1:2000, +A2:2003 Extended
Good Morning Monrad,
The program manager at VCCI answered your first question:
We are also aware of EU' one year delay. It will be a subject for us to
discuss
Good Morning Monrad,
The program manager at VCCI answered your first question:
We are also aware of EU' one year delay. It will be a subject for us to
discuss but at this moment, we have no intention to delay our deadline to
match Europe.
I hope this helps.
Sincerely,
Grace
On
...@ieee.org
Subject: Re: EN55022:1998, +A1:2000, +A2:2003 Extended
You can view the clean PDF of 2009/C 197/03 issued today at the following
web address:
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:C:2009:197:0003:000
3:EN:PDF
Based on the 2009/C 197/03, it appears that manufacturers
: EN55022:1998, +A1:2000, +A2:2003 Extended
You can view the clean PDF of 2009/C 197/03 issued today at the
following web
address:
http://eur-lex.europa.eu/LexUriServ/Le
UriServ.do?uri=OJ:C:2009:197:0003:0003:EN:PDF
Based on the 2009/C 197/03, it appears
You can view the clean PDF of 2009/C 197/03 issued today at the following web
address:
http://eur-lex.europa.eu/LexUriServ/Lex
riServ.do?uri=OJ:C:2009:197:0003:0003:EN:PDF
Based on the 2009/C 197/03, it appears that manufacturers are granted an extra
year before their products must meet the
John,
Amendment A1:2000 to EN55022:1998 changes subclause 10.4, Equipment
set-up, for tabletop units. Their linecords are now to come straight
down from the tabletop, then go through ferrite clamps or ferrite tubes
before they plug into the AC power outlet.
According to the latest listing of
]
Sent: Friday, January 31, 2003 11:24 AM
To: emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 and telecom ports
Unfortunately, EN 55022 is the only available emissions standard for CCTV
products used for security applications. Even the standard for professional
video equipment, EN55103-1
31, 2003 8:33 AM
To: emc-p...@majordomo.ieee.org
Subject: Re: EN55022:1998 and telecom ports
I read in !emc-pstc that david_ster...@ademco.com wrote (in 2DF7C54A75B
dd311b61700508b64231002c5b...@nyhqex1.ademconet.com) about
'EN55022:1998 and telecom ports' on Fri, 31 Jan 2003:
Earthing STP
I read in !emc-pstc that Wagner, John P (John) johnwag...@avaya.com
wrote (in 4203D61676D0AE468AA5CEA90A891C1302A01467@cof110avexu4.global.
avaya.com) about 'EN55022:1998 and telecom ports' on Fri, 31 Jan 2003:
By the way, CISPR/F has nothing whatsoever to do with ITE. It is CISPR/I and
I read in !emc-pstc that drcuthbert drcuthb...@micron.com wrote (in
cfefa50c9bcad21197470001fa7eba6b14121...@ntexchange05.micron.com)
about 'EN55022:1998 + A1:2000' on Fri, 31 Jan 2003:
How can a ferrite clamp be called a CMAD Common Mode Absorption Device? It
reduces EM radiation
by reducing
From: Cortland Richmond [mailto:72146@compuserve.com]
Sent: Friday, January 31, 2003 10:21 AM
To: ieee pstc list
Subject: RE: EN55022:1998 and telecom ports
David Sterner wrote:
UTP has been repeatedly shown to radiate less than STP.
Telcordia GR-1089 exempts STP from intrabuilding
I read in !emc-pstc that richwo...@tycoint.com wrote (in 846BF526A205F8
4BA2B6045BBF7E9A6A04675BCE@flbocexu05) about 'EN55022:1998 and telecom
ports' on Fri, 31 Jan 2003:
The standard also includes tests for coax and
alludes to emissions caused by imperfect shielding. That seems to imply that
a
Dave Cuthbert wrote
The nick name for MFJ is Mighty Fine Junk.
Yes it is -- or has been. But I'll jump in here to add that while I've in
the past often been underwhelmed by the quality of some MFJ equipment, I
was favorably impressed with my MFJ-259B. And it is quite useful.
I have one of
this in mind.
Richard Woods
Sensormatic Electronics
Tyco International
From: Pettit, Ghery [mailto:ghery.pet...@intel.com]
Sent: Friday, January 31, 2003 11:39 AM
To: 'richwo...@tycoint.com'; emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 and telecom ports
Richard,
Cameras, monitors
David Sterner wrote:
UTP has been repeatedly shown to radiate less than STP.
Telcordia GR-1089 exempts STP from intrabuilding surges; the shield is
assumed to carry them. This makes it attractive for US telecom designers
whose equipment uses Ethernet.
Cortland
This message is from the
From: david_ster...@ademco.com [mailto:david_ster...@ademco.com]
Sent: Friday, January 31, 2003 5:35 AM
To: ghery.pet...@intel.com; gary.mcintu...@worldwidepackets.com;
richwo...@tycoint.com; emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 and telecom ports
Ghery -
Ethernet on coax (10Base2
I read in !emc-pstc that david_ster...@ademco.com wrote (in 2DF7C54A75B
dd311b61700508b64231002c5b...@nyhqex1.ademconet.com) about
'EN55022:1998 and telecom ports' on Fri, 31 Jan 2003:
Earthing STP shields at both ends is potential safety hazard,
How does a safety hazard arise?
--
Regards,
Richard,
Cameras, monitors, etc are not ITE. CISPR 22 does not apply to them.
Ghery Pettit
Intel
From: richwo...@tycoint.com [mailto:richwo...@tycoint.com]
Sent: Friday, January 31, 2003 7:20 AM
To: emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 and telecom ports
OK, so widely
...@avaya.com
From: John Woodgate [mailto:j...@jmwa.demon.co.uk]
Sent: Friday, January 31, 2003 6:55 AM
To: emc-p...@majordomo.ieee.org
Subject: Re: EN55022:1998 and telecom ports
I read in !emc-pstc that richwo...@tycoint.com wrote (in 846BF526A205F8
4BA2B6045BBF7E9A6A04675BB4@flbocexu05) about
Kristiaan [mailto:carpenti...@thmulti.com]
Sent: Thursday, January 30, 2003 5:54 PM
To: 'richwo...@tycoint.com'; emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 and telecom ports
Richard,
In addition to Gherys explanation of the note, there is also the definition
itself that inherently excludes
of Bicons and such. The MFJ-269 provides a look at 470 MHz.
http://www.mfjenterprises.com/index.php
Dave Cuthbert
From: John Woodgate [mailto:j...@jmwa.demon.co.uk]
Sent: Friday, January 31, 2003 5:14 AM
To: emc-p...@majordomo.ieee.org
Subject: Re: EN55022:1998 + A1:2000
I read in !emc-pstc
...@jmwa.demon.co.uk]
Sent: Friday, January 31, 2003 5:12 AM
To: emc-p...@majordomo.ieee.org
Subject: Re: EN55022:1998 + A1:2000
I read in !emc-pstc that Gert Gremmen g.grem...@cetest.nl wrote (in
oleokfnbajjejfkplbbmoeelchaa.g.grem...@cetest.nl) about 'EN55022:1998
+ A1:2000' on Thu, 30 Jan 2003:
The official
I read in !emc-pstc that Gert Gremmen g.grem...@cetest.nl wrote (in
oleokfnbajjejfkplbbmoeelchaa.g.grem...@cetest.nl) about 'EN55022:1998
+ A1:2000' on Thu, 30 Jan 2003:
The official name is CMAD Common Mode Absorption Device.
(before John makes one himself ;))
You mean me? And do you mean
I read in !emc-pstc that drcuthbert drcuthb...@micron.com wrote (in
cfefa50c9bcad21197470001fa7eba6b14121...@ntexchange05.micron.com)
about 'EN55022:1998 + A1:2000' on Wed, 29 Jan 2003:
And I have used an MFJ-259B (only
$260) to measure ferrites from 1.7 to 170 MHz.
What is an MFJ-259B and
I read in !emc-pstc that richwo...@tycoint.com wrote (in 846BF526A205F8
4BA2B6045BBF7E9A6A04675BB4@flbocexu05) about 'EN55022:1998 and telecom
ports' on Thu, 30 Jan 2003:
EN55022:1998 defines telecommunication ports as Ports which are intended
to be connected to telecommunications networks (e.g.
, but that is
EN60950, not EN55022.
David
From: Pettit, Ghery [mailto:ghery.pet...@intel.com]
Sent: Thursday, January 30, 2003 5:27 PM
To: 'Gary McInturff'; Pettit, Ghery; richwo...@tycoint.com;
emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 and telecom ports
Gary,
Unfortunately
Richard,
In addition to Gherys explanation of the note, there is also the definition
itself that inherently excludes certain interfaces by means of the wordings
widely dispersed and multi-user. But I agree that adding some more
definitions of interfaces would help, also myself.
Clause 6.3:
Subject: RE: EN55022:1998 and telecom ports
Glad to hear this! Ethernet lines are interconnection of ITE
components and not telecommunications cables.
Asbestos shorts on - fire away.
Gary
From: Pettit, Ghery [mailto:ghery.pet...@intel.com]
Sent: Thursday, January 30, 2003
-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 and telecom ports
Richard,
Further clarification to this question was provided by the addition of the
following note at the end of article 3.6 of CISPR 22:1997 as part of
Amendment 2 which was published in October of last year.
NOTE A port
30, 2003 1:45 PM
To: 'richwo...@tycoint.com'; emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 and telecom ports
Richard,
Further clarification to this question was provided by the addition of the
following note at the end of article 3.6 of CISPR 22:1997 as part of
Amendment 2 which
a tile.
Dan Anchondo
From: Gert Gremmen [mailto:g.grem...@cetest.nl]
Sent: Wednesday, January 29, 2003 10:17 PM
To: Chris Maxwell; Pettit, Ghery; neve...@attbi.com;
emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 + A1:2000
Clamp attenuation calibration.
The calibration proposed
Richard,
Further clarification to this question was provided by the addition of the
following note at the end of article 3.6 of CISPR 22:1997 as part of
Amendment 2 which was published in October of last year.
NOTE A port generally intended for interconnection of components of an ITE
system
...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Chris Maxwell
Sent: woensdag 29 januari 2003 21:14
To: Pettit, Ghery; neve...@attbi.com; emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 + A1:2000
Indeed, a very good point!
I wonder what is meant by the 50 Ohm system does
Dave Cuthbert write
the point at which ferrites are placed will not always have a common
mode impedance of 50 ohms. Here's An example: a large DUT has a 1 meter
long cable that connects
Not always; make that rarely.
Comments about the 150 ohm impedance are on target. That might be
[mailto:ghery.pet...@intel.com]
Sent: Wednesday, January 29, 2003 12:09 PM
To: 'Chris Maxwell'; Pettit, Ghery; neve...@attbi.com;
emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 + A1:2000
Chris,
You can indeed make your own, but my bet is that A2LA or NIST NVLAP
inspectors will want to see
Micron Technology
From: Chris Maxwell [mailto:chris.maxw...@nettest.com]
Sent: Wednesday, January 29, 2003 11:57 AM
To: Pettit, Ghery; neve...@attbi.com; emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 + A1:2000
Ghery,
If the standard is assuming a 50 Ohm system, doesn't this breakdown
a published calibration technique...
Ghery
-Original Message-
From: Chris Maxwell [mailto:chris.maxw...@nettest.com]
Sent: Wednesday, January 29, 2003 10:57 AM
To: Pettit, Ghery; neve...@attbi.com; emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 + A1:2000
Ghery
I read in !emc-pstc that Chris Maxwell chris.maxw...@nettest.com wrote
(in 83d652574e7af740873674f9fc12dbaaf7e...@utexh1w2.gnnettest.com)
about 'EN55022:1998 + A1:2000' on Wed, 29 Jan 2003:
If the standard is assuming a 50 Ohm system, doesn't this breakdown to a
simple
calculation?
Quite
I read in !emc-pstc that Gert Gremmen g.grem...@cetest.nl wrote (in
mpeeiccjhhndekobpnnbmeegckaa.g.grem...@cetest.nl) about 'EN55022:1998
+ A1:2000' on Wed, 29 Jan 2003:
Proposals are on their way to specify
both transfer attenuation (first) and
input CM impedance of those clamps (later)
The
Ghery Pettit wrote:
Chris,
You can indeed make your own, but my bet is that A2LA or NIST NVLAP
inspectors will want to see calibration data, not calculations.
Now, if we just had a published calibration technique...
This is still not rocket science. Using Z = 138*(log OD/ID) --- for an
air
...@majordomo.ieee.org
Subject: RE: EN55022:1998 + A1:2000
Chris,
You can indeed make your own, but my bet is that A2LA or NIST NVLAP
inspectors will want to see calibration data, not calculations.
Now, if we just had a published calibration technique...
Ghery
This message is from the IEEE
10:57 AM
To: Pettit, Ghery; neve...@attbi.com; emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 + A1:2000
Ghery,
If the standard is assuming a 50 Ohm system, doesn't this breakdown to a
simple calculation?
Insertion Loss = IL = 20 x log((50 + Zf) / 50)where Zf is the ferrite
impedance
'; emc-p...@majordomo.ieee.org
Subject: RE: EN55022:1998 + A1:2000
Amendment 1 to CISPR 22:1997 (Amendment A1:2000 to EN 55022:1998) requires
that the clamps provide at least 15 dB of loss in a 50 ohm system over the
frequency range of 30 MHz to 1000 MHz. The use of extension cords
From: Gert Gremmen
Reply-To: Gert Gremmen
To: Gordon,Ian ,
Subject: RE: EN55022:1998 + A1:2000
Date: Wed, 29 Jan 2003 16:54:00 +0100
Hi Group,
Proposals are on their way to specify
both transfer attenuation (first) and
input CM impedance of those clamps (later)
The radiation
...@majordomo.ieee.org
Subject: RE: EN55022:1998 + A1:2000
All
I can see that my manager would prefer to use Neven's approach - it is
probably much cheaper than buying clamps. However, does anybody have any
practical experience of this?
A reply from an accredited test house would be welcomed!
Thanks
Ian
, January 28, 2003 9:22 PM
To: emc-p...@majordomo.ieee.org
Subject: Re: EN55022:1998 + A1:2000
Instead of paying big bucks for the clamps (I am not sure what the price is,
but I'm sure it is too much anyway :), why not buying a bucket of ferrite
doughnuts that can be used over cables. Or, when
...@attbi.com]
Sent: 29 January 2003 05:22
To: emc-p...@majordomo.ieee.org
Subject: Re: EN55022:1998 + A1:2000
Instead of paying big bucks for the clamps (I am not sure what the price is,
but I'm sure it is too much anyway :), why not buying a bucket of ferrite
doughnuts that can be used over cables
Instead of paying big bucks for the clamps (I am not sure what the price is,
but I'm sure it is too much anyway :), why not buying a bucket of ferrite
doughnuts that can be used over cables. Or, when possible, building in-line
adapters out of sections of cables (maybe 1m long) and lining them
In a message dated 1/28/03 6:32:49 PM Central Standard Time,
drcuthb...@micron.com writes:
A1 to EN55022:1998 requires the use of ferrite clamps on all cables leaving
the table-top EUT for a connection outside the test site. Are there any
other manufacturers of these clamps other than Fischer
I don't have a copy of EN55022 to look at so I'll ask a question: How many
ferrite clamps and what type are specified? And are they placed at various
places, at one location only, or placed as with a Bicon balun?
Dave Cuthbert
Micron Technology
From: richwo...@tycoint.com
Without looking at their web pages, I would suspect that Schaffner and Rohde
Schwarz might be places to look. ETS-Lindgren, as well?
Ghery Pettit
Intel
From: richwo...@tycoint.com [mailto:richwo...@tycoint.com]
Sent: Tuesday, January 28, 2003 10:30 AM
To: emc-p...@majordomo.ieee.org
Subject:
Not yet. CISPR/I is working the issue and has 3 CD's in circulation at the
moment.
Nothing yet, however, on non-invasive measurements using current probes and
capacitive voltage clamps -- measurment method C.1.3 and C.1.4. Its on the
agenda for WG3 and hopefully a CD will be forthcoming by
Richard,
We (I'm on CISPR SC I WG3) are still working on fixes to CISPR 22:1997 in
this area. I would not expect to have the necessary amendment published by
August of next year. Stranger things have happened, but I would be highly
surprised. What happens with EN 55022:1998 in the meantime is
Chris,
Your timing is excellent. The attached was just posted in the OJ today. EN
55022:1998 is officially put off (DoW) until 1 August 2003. Note in the
attachment that Amendment 1 also has a DoW of 1 August 2003. Amendment 1
adds ferrite clamps to all cables leaving the turntable when
...@ma.ultranet.com
To: Treggers emc-p...@majordomo.ieee.org
cc:(Chris Allen/GB/3Com)
Subject: EN55022:1998 Annex C
Treggers,
I need your help re EN55022:1998 and what I've been told is Annex C which is an
additional conductive test effective 8/1/01. Does this apply to all ITE or just
that which
Here is a link to Conformity Magazine's description.
http://www.conformity.com/9904reflections.pdf
http://www.conformity.com/9904reflections.pdf
I am not too familiar with the spec but I have had the test done a couple of
times. I believe the spec requires that the line be terminated. You
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