Re: EMC and Class 2 equipment

2002-04-26 Thread Rich Nute
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

RE: EN55022:1998

2002-04-26 Thread Wagner, John P (John)
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

Re: Considering a rooftop OATS

2002-04-26 Thread RON_CHERNUS
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:

RE: EN55022:1998

2002-04-26 Thread Pettit, Ghery
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

polonium sources

2002-04-26 Thread Brian Epstein
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

RE: Considering a rooftop OATS

2002-04-26 Thread Pettit, Ghery
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

Considering a rooftop OATS

2002-04-26 Thread POWELL, DOUG
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

RE: EMC test report

2002-04-26 Thread Brewster, Alan
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,

A very nice game

2002-04-26 Thread John Woodgate
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? (;-) --

Re: EMC and Class 2 equipment

2002-04-26 Thread John Woodgate
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

Re: High Temp Caps and Inductors

2002-04-26 Thread John Woodgate
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

Re: Varistor to Ground

2002-04-26 Thread John Woodgate
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:

Northeast Product Safety Society Dinner Meeting on Wednesday, May 22

2002-04-26 Thread Matt Campanella
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

RE: Immunity Test System

2002-04-26 Thread Alex McNeil
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

RE: DSSS WLAN for Australia

2002-04-26 Thread Kevin Richardson
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

Re: CNS Standards

2002-04-26 Thread Chun Kim
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