Presuambly you are referring to a stripline antenna??
Thank you
Charles Grasso
StorageTek
2270 Sth 88th Street
Louisville CO 80027
Tel: (303)673-2908
Fax(303)661-7115
--
From: Frank Krozel[SMTP:fr...@electronicinstrument.com]
Sent: Tuesday, March 28, 2000 11:24 AM
A few years ago I picked up a freeware download on stripline and microstrip
from an outfit called UltraCAD. Here is a link to their web page. It is
full of useful and interesting info. The freeware is a program with a
graphical interface that lets you put in the parameters you want to control
Chris,
I am impressed by your gentleman discussion manner.
We all agree that the committee of EN 61326-1 has very solid reason to exclude
3-2 3-3 for Class A equipment. If we had had the vote right we might have
done the same thing.
Unfortunately 3-2 3-3 became Product Standards with very
Average number of messages is now between 30 and 50 a day. And people want
more! I wish I had enough free company time to participate in this mountain
of mail. We need to increase the quality and substance of the messages
rather than to increase the amount.
Dave George
Unisys
-Original
Jim,
Trust me, apart from providing a bit of humour, these translation programs
don't work worth a sheet. grin
Mind you, the original creator of Babel Fish does give you the correct
answer: 42.
BTW, from the ego-deflating department, the country with the most English
speaking people is
Ed,
Thanks. Here is my basic $0.02.
Most of time spent learning a foreign language is to remember vocabulary. This
is not a creative job. The most precious resource - our brain should be
gradually released from downloading burden.
Barry Ma
b...@anritsu.com
--
On Tue, 28 March
The standards have general applicability; however, the push by the European
Power Industry for this standard has been to target switching power supplies
as the culprit. Since most ITE use switching power supplies..
According the the scope, both 3-2 and 3-3 apply to virtually all
Brent,
I am a user of NecWin Pro. I don't know the answer to your question, but
I'd be interested in what you are able to find out.
JIm
Dr. Jim Knightene-mail: jim.knigh...@ncr.com
jim.knigh...@ncr.com
Technical
Hello Tania and all,
It is true that CENELEC is not the only player in this. The date that each
standard is Published in the Official Journal (O.J.) and the date that
CENELEC adopted it are consecutive but the dead line date where you will
have no choice to use this stnadard (or version of
Hi All:
Seem to have misplaced my data on Striplines.
Is there somewhere on the web that I can find the dimensions to build a
stripline?
Frank Krozel
I think we are going to have fun with these PCs!Us humans create
interesting bloopers, can you image what a PC translator could do
Human example, that actually happened at the Monterey (Army) Language School
some years ago:
Translate the following (either from Russian to English, or
Thank you, Benoit,
Can you perhaps clarify: do the effective dates published in this
standards list coincide with the effective dates published in the OJ? I
believe that for a number of standards, the OJ effective dates prevail,
notwithstanding whatever may be published in the standard.
As always . . . very well written, George.
-Original Message-
From: geor...@lexmark.com [mailto:geor...@lexmark.com]
Sent: Tuesday, March 28, 2000 11:20 AM
To: m.r...@ieee.org
Cc: emc-p...@ieee.org
Subject: Re: modest proposal
Martin,
Your post included the following:
* We, the ugly
Thank you, Thank you, and applause
Regards,
Gert Gremmen, (Ing)
ce-test, qualified testing
===
Web presence http://www.cetest.nl
CE-shop http://www.cetest.nl/ce_shop.htm
/-/ Compliance testing is our core business /-/
Barry,
You have a great point. It doesn't just apply to Information Technology
Equipment. I apologize for using the term ITE loosely.
I feel (don't know) that the lowering of the current limit from 16A per
phase (one of the main differences between IEC 555-2, 3 and IEC 1000-3-2,3)
was aimed
In short:
The update guide as referred to by Canio says:
6.4.2 Customer buys several apparatuses in one box that are ce-marked, do
not ce mark the system, but include installation instructions.
6.4.2.1 You assemble several ce-marked apparatuses, and you are not sure !
Hello Group,
Although EN 61326-1 excludes harmonics for class A, and that
is a product standard having a narrower scope then EN 61000-3-2,
I still believe the en 61000-3-2 , or at least the harmonics
issue should be considered for laboratory equipment.
At first:
The European commission has
Hi Doug,
In the past we have used a textbook titled UV-A Biological Effects of
Ultraviolet Radiation with Emphasis on Human Responses to Longwave
Ultraviolet as guidance for compliance to clause 4.3.12 of the -950
standards. I'm down the road here in Greeley, so if you need to borrow it,
it
Priyawrat,
Differential transmission lines (microstrip or other) can support two modes
of propagation, the even and odd modes. Usually, the odd mode is the
intended mode of operation, as you have noted. Differential circuits
inevitably suffer some imbalance between the two sides of the
Bonjour de Montreal,
For European standards the most useful link I found is
http://www.cenelec.be/
Do a search on Harmonized standards and it will list you with the dates of
effect (DOW).
Regards,
At 11:28 AM 3/28/2000 -0500, you wrote:
Does anyone know of a web site that lists when the
I forgot about another site. The Commission lists all standards that have
been published in the OJ and lists their effectivity dates.
http://europa.eu.int/comm/enterprise/newapproach/standardization/harmstds/re
flist.html
http://europa.eu.int/comm/enterprise/newapproach/standardization/harmstds/r
Hi Chris,
Would you please prove that two product family standards 3-2 and 3-3 are only
applicable to ITE?
Thanks.
Barry Ma
b...@anritsu.com
--
On Tue, 28 March 2000, Maxwell, Chris wrote:
.
My understanding of the scope of EN 61000-3-2 and EN 61000-3-3
is that it is targeting
This is not exactly what you want, but I think it is the best information
available. The CENELEC web site lists the dop, dow and the date the
reference was published in the OJ. In most, but not all cases, the
Commission adopts the dow.
http://www.cenelec.be/ http://www.cenelec.be/
Richard
From the CENELEC web site, I see that EN60335-2-27:1997 and EN 61288:1994
covers exposure to UV.
Richard Woods
--
From: POWELL, DOUG [SMTP:doug.pow...@aei.com]
Sent: Tuesday, March 28, 2000 11:19 AM
To: EMC-PSTC (E-mail)
Subject: Ultraviolet
I've been using NecVu in NecWin Pro for viewing model geometries and currents in
wires, but it omits the display of surface patches. Does anyone know of a
freeware, shareware or just cheap viewer for patches?
Thanks,
Brent DeWitt
Datex-Ohmeda
Louisville, CO
Does anyone know of a web site that lists when the various EMC
standards will go into effect? If not, would such a web age be
useful?
/\
| Martin Rowe | / \
| Senior Technical Editor | /\ /\
| Test Measurement World | / \
Martin,
Your post included the following:
* We, the ugly Americans, want the world to conform
to our native language. We're too lazy, stubborn,
and arrogant to learn another language.
You may be partially right, but I believe there is a
much simpler explanation. It is human nature to do
Hello group,
I have a product that uses extremely strong ultraviolet light and is
enclosed in a light-tight enclosure.
So far I have been unable to determine what the safety requirements (which
standards) for Europe and CE marking are and what sort of warning label
should be applied to the
Hi Barry,
I commend you on the in-dept study you do when looking at standards, but as
Abraham Lincoln said, If you look for the bad ... you will surely find it.
Standards are written for the majority of products, not for every product in
every environment. That's why there is the TCF rout to
Unfortunately I don't get to post to this list very often, but now find
myself posting twice the same week! I simply want to emphasize the
intentions of EN 61326-1 relative to harmonics. The standard was written in
IEC of course, but many of the same participants are involved in the sister
Rene,
I am not aware of any analyzer built to perform signal cancellation. But I
have not been looking for one.
Here are the two phase cancelling methods I spoke of:
The simplest method is also the hardest.
At the spectrum analyzer input, place a combiner. To one input, connect
your
Sense this discussion has started regarding CE + CE = CE, I have one
question, and by the way - I agree with Paolo's comments (and the European
Commission Guidance Doc). We offer with our device an off the shelf standard
PC along with a printer, monitor, etc. This interfaces with our manufactured
Hi All!
I am sorry to bother all of you again but I was just old by our IT people
that email sent yesterday to our organization may have been delayed in
delivery or bounced depending on the configuration of the remote site's
(viz, your) mail system.
Would you be so kind to re-send to me any
As perhaps the only member of this list
who works for a publishing company, let
me explain why a designed language
won't work.
* We, the ugly Americans, want the
world to conform to our native language.
We're too lazy, stubborn, and arrogant
to learn another language.
* A designed
Hi folks
Very interesting and I am glad that Richard has spotted this as I was under
the same impression (as, I think, were/are many other people).
However, I personally doubt it makes much difference to the TECHNICAL
safety requirements that should be applied to any specific product. These
This is really becoming a completely pointless discussion.
Most of the people on this forum appear to be native English speakers. In
my experience, native English speakers have absolutely no motivation or
desire to learn any other language. Furthermore, a large percentage of the
allegedly
CISPR 24 allows the transition from conducted to radiated immunity anywhere
from 30MHz to 80MHz.. The European implementation, EN55024 does not. The
4-6, 4-3 boundary is at 80MHz.
The Japanese did extensive testing for equivalence of RF field exposure to
current injection. They found that
I'd like to present a dissenting opinion on this one.
I feel that, as the standard is written now, Class A test and measurement
equipment complying to EN 61326-1 is exempt from the harmonics and flicker
standards of EN 61000-3-2 and EN 61000-3-3.
I don't feel as if it was overlooked by EN
You may find this link concerning the potential revision of the GPSD to be
of interest:
http://europa.eu.int/comm/dg24/policy/developments/prod_safe/ps04_en.html
http://europa.eu.int/comm/dg24/policy/developments/prod_safe/ps04_en.html
.
I learn something every day. I always thought the GPSD
P.R.Dewasthalee wrote:
Hi all,
I feel the best way to close the argument about the split
is to invoke a lot of discussion on EM related topics!
Fortunately, I have a lot of doubts to clarify!
***
In CML/pCML/ECL/pECL logic families, we see a
As an engineer, I have a lot of sympathy with the position taken by
Mike that the DofI would be a useful document for compliance with the
EMC Directive (and other directives too). However, the DofI is only
an available option for compliance with the Machinery Directive.
It's important to
I've heard efforts of a universal translator through
Java being worked on as we speak. You'll be able to
go to any website written in any language and see it
in your default language. I only hope they fix the
little language snafus that crop up. And perhaps the
death of having to learn
Hi all,
I feel the best way to close the argument about the split
is to invoke a lot of discussion on EM related topics!
Fortunately, I have a lot of doubts to clarify!
***
In CML/pCML/ECL/pECL logic families, we see a differential
output with even mode
From: Barry Ma
There must be some day in the future, the artificial intelligence has been
so well developed that
(1) An instant interpreting machine built-in to your PC
. or brain. Remember, you need to meet class B limits though :-))
---
This
Paul,
I consider myself proficient in English, but I agree with you that those who
throw Acronyms around without first typing them out are inconsiderate.
There are quite a few Acronyms that have more than just one explanation.
Tania Grant, tgr...@lucent.com mailto:tgr...@lucent.com
Lucent
This debate is moot. English is a good language for EMC and safety, for now.
Until people adopt JAVA (or its variant, from Seattle) to communicate with
each other because of its precision and unambiguity and logical constructs.
And then you dont even have to learn a language; you can upload the
Hi Lou,
There must be some day in the future, the artificial intelligence has been so
well developed that
(1) An instant interpreting machine built-in to your PC would automatically
transfer any language you input (either typed or voiced) to any languages the
other party would like to have.
Can't give you a direct answer, but I found a site you might find
useful earlier today - it covers the details of the MRA's currently
in force, including details of the approved labs.
http://europa.eu.int/comm/enterprise/international/indexb1.htm
HTH
Nick.
At 09:59 -0500 27/3/2000,
Hi Cortland,
I agree that if you want to get successful cancellation of ambient
by mixing an negative ambient signal to the measured signal
you need an exact adjustment of amplitude and phase.
And here lies the problem.
Is there a spectrum analyzer in the market that has two channels, or that
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