George
I fail to follow your argument, The fact that you have
not been challenged or taken to law by any member state
does not mean that it is not the laws of the member states
that have legal juristriction. You have not been taken to
the European courts of justice either.
you say:-
>For ITE, the
I read in !emc-pstc that geor...@lexmark.com wrote (in <200203251717.MAA
11...@interlock2.lexmark.com>) about 'U.S. Safety Regulations', on Mon,
25 Mar 2002:
>Since this process was adopted by the EU, we have not
>had a single EU member state ask to see either our DoC
>or our background test data/
I read in !emc-pstc that Michael Taylor wrote (in
) about
'Question on status of prEN50147-3', on Mon, 25 Mar 2002:
>
>Does anyone know the status of prEN50147-3, "Emission Measurements in
> fully
>Anechoic Rooms". ???
>Thanks in advance.
>Michael Taylor
>Colorado
AFAI
And somewhere near section 109 it says that if you use the radiated limits
and process you need to do so for the conducted as well - that means testing
down to 150Khz rather than just 450Khz
Gary
-Original Message-
From: Pettit, Ghery [mailto:ghery.pet...@intel.com]
Sent: Monday,
-Original Message-
From: kristiaan.carpent...@alcatel.be [mailto:kristiaan.carpent...@alcatel.be]
Sent: Monday, March 25, 2002 8:41 AM
To: emc-p...@majordomo.ieee.org
Subject: FCC part 15 section 109
Hello group,
Part 15, section 109, states that as an alternative to the radiated em
I am looking to purchase/view an English language version of the Indoor
Electrical Wiring Code (IEWC) which regulates the installation of electric
wiring and electric facilities in buildings in Taiwan, ROC. My search of
Global Engineering Documents and the WWW has turned up no source for this
doc
Kristiaan,
The test procedures of ANSI C63.4-2000 must be used, even when testing to
the limits in CISPR 22. The 10 meter test distance is fine, but to the
extent that the test methods differ, ANSI C63.4 must be followed. Don't
forget that if the product has a clock higher than 108 MHz, testing
>-Original Message-
>From: Ron Pickard [mailto:rpick...@hypercom.com]
>Sent: Monday, March 25, 2002 7:28 AM
>To: jo...@exchange.scotland.ncr.com
>Cc: emc-p...@ieee.org
>Subject: RE: chassis bonding - star washers enough?
>
>
>
>
>Hi John,
>
>You wrote:
>
>>We use screws which have combine
Nick,
To some degree, I beg to differ with your explanation,
particularly with the following:
"It is these national regulations that have direct force
of law on manufacturers, traders and users of equipment
in that member state. It is not a matter of crossing
boundaries into the EU or between
List
Suppose I have a small SMD ferrite, to attenuate hundreds of MHz, with very
low DC resistance (0.4 ohms) , placed between the EARTH and the central
point of two Y2 capacitors connected to PHASE and NEUTRAL
Concerning about safety, would I need to change my Y caps to Y1, once they
won't
Does anyone know the status of prEN50147-3, "Emission Measurements in fully
Anechoic Rooms". ???
Thanks in advance.
Michael Taylor
Colorado
You are quite right; masking under a screw can create a serious
aesthetic problem. It's as mechanical designer, it's something that I
whined and complained about often in the past. The best we could do was
to minimize its necessity by making metal to metal contact BETWEEN the
metal parts being con
Hello group,
Part 15, section 109, states that as an alternative to the radiated emission
limits shown in
paragraphs (a) and (b) of this section, digital devices may be shown to
comply with CISPR22 3rd ed. Further-on is stated that the testmethods of
part 15 (referring to ANSI C63.4) apply.
Qu
I knew I shouldn't have commented on this subject !!
We perform the IEC 60950 grounding test by connecting our
25A source between the ground pin of the mains cord and
the metalwork we want to check - and measure the volt drop
between the two points. If the surface was painted, we
might have to
>-Original Message-
>From: Doug McKean [mailto:dmck...@corp.auspex.com]
>Sent: Monday, March 25, 2002 6:16 AM
>To: EMC-PSTC Discussion Group
>Subject: Re: Masking - was: chassis bonding - star washers enough?
>
>
>
>Very good question.
>
>In my experience, the corrosion issue with
>reg
Hi John,
You wrote:
>We use screws which have combined hex/posidriv heads with
>serrations under the head, which eliminates the need for star washers.
>We find these work very well for zinc plated parts. On epoxy painted
>parts, they also seem to cut thru the paint and give a satisfactory
>res
Very good question.
In my experience, the corrosion issue with
regard to masked off areas has never been
a factor. Yes, it will corrode, but the teeth
will cut through that. The masking off of
areas has also been internal to the product.
Yes, I've also used the star washers on painted
a
On Fri, 22 Mar 2002 16:53:27 -0800,
"Chris Wells" wrote:
> Masking
> As to all those who indicate masking off the metal what about oxidation?
> I'm concerned about the appearance of masking off the painted areas.
To avoid corrosion of the exposed steel surface, plating (Zn, Ni,
Cr, etc.) can
We use screws which have combined hex/posidriv heads with
serrations under the head, which eliminates the need for star washers.
We find these work very well for zinc plated parts. On epoxy painted
parts, they also seem to cut thru the paint and give a satisfactory
result - you might feel "happi
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