Hi John:
Ground connections is usually nice to have when dealing with EMC. But what
about EMC and a class 2 (double insulation) power supply (shall comply with
MIL-STD-461E) . I'm thinking on, what to do with the regularly Y-caps,
does it really have any meaning with these
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
TUV in San Diego had a roof top OATS. I would talk to them on the subject.
Regards,
Ron Chernus, Compliance Engineer
DENSO Wireless
POWELL, DOUG doug.pow...@aei.com on 04/26/2002 09:21:16 AM
Please respond to POWELL, DOUG doug.pow...@aei.com
To: EMC-PSTC (E-mail) emc-p...@ieee.org
cc:
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
The issue of sending polonium static elimination devices to our customers
has come up. It is my understanding that the devices in question, which are
10CFR31.3 devices (500 microcuries), can be sent, and we need to notify the
federal Director of Nuclear Material Safety and Safeguards. In
Doug,
Rooftop sites have a number of problems. I'm sure the folks who have
actually built them can elaborate more, but one that jumps to mind is the
fact that you will have a worse ambient than at ground level. The VHF and
UHF signals that comprise the ambient tend to be line of sight, and
Greetings all,
I am considering a proposal to build a pre-compliance OATS on the rooftop of
our facility. I am interested in hearing any experiences along this line
especially any unexpected difficulties that came up.
I am considering a 10 meter site on a raised framework or platform with
Greetings Cecil and fellow Forumites,
The best summation of test report content I have seen for a long time may be
found at the following link: http://www.conformity.com/0204123s.pdf
http://www.conformity.com/0204123s.pdf
I would invite all to read it, irrespective of discipline.
Regards,
I read in !emc-pstc that Robert Wilson robert_wil...@tirsys.com wrote
(in 3FF57405336C9B4C976A1819F860A2560F697E@xng_tirsys.TIRSYS.COM)
about 'A very nice game', on Wed, 24 Apr 2002:
I have used it several times to
eliminate viruses my son managed to get,
Is it safer than MRI, then? (;-)
--
I read in !emc-pstc that am...@westin-emission.no wrote (in LFENJLPMMJB
mhpeibnilgedmceaa.am...@westin-emission.no) about 'EMC and Class 2
equipment', on Tue, 23 Apr 2002:
Ground connections is usually nice to have when dealing with EMC. But what
about EMC and a class 2 (double insulation) power
I read in !emc-pstc that Jacob Schanker schan...@frontiernet.net wrote
(in 005b01c1e8a8$183598c0$3579d...@frontiernet.net) about 'High Temp
Caps and Inductors', on Sat, 20 Apr 2002:
I used fiberglass, but although I haven't checked, I don't think that will
work at 180C. Possibly Teflon
I read in !emc-pstc that Chris Maxwell chris.maxw...@nettest.com wrote
(in 83d652574e7af740873674f9fc12dbaaf7e...@utexh1w2.gnnettest.com)
about 'Varistor to Ground', on Mon, 22 Apr 2002:
I read your quote below regarding the safety implications of placing
MOVs between AC power and ground:
All,
Attached is an invitation to the Northeast Product Safety Society annual
dinner to be held on Wednesday, May 22, Best Western Royal Plaza Hotel
Trade Center in Marlborough, MA.
If you will be in the area on May 22nd, please consider joining us for
dinner and the opportunity to mingle with
Hi Donald,
I have the TRA1000 (the previous version, but very little difference to the
TRA 2000) and find it an excellent value for money. I have just had it
re-calibrated for the 2nd time, no problems! I use it for compliance
immunity testing.
Notes:
No faults to date
Very flexible
Desmond,
Not as simple as your questions to explain I am afraid. Below is a very
brief outline and by no means should be looked upon as detailing all the
issues. Hope it helps.
A 2.4GHz spread spectrum device must comply with:
a) ACA Radiocommunications Class Licence (Spread Spectrum
Hello All,
Just one clarification regarding update of South Korea's APEC TEL MRA Annex I -
this recent update does now allow for Canadian labs to be accredited with full
scope of the Korean requirements. This bilateral agreement has been in place
between Canada and Korea for several years, by
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