EMC-PSTC/TREG and RCIC

2000-08-07 Thread tom bao
Dear fellow colleagues, As many of you already know, I haven't been able to keep up the pace with RCIC maintenance. Although all the EMC-PSTC/TREG messages are still automatically archived in the RCIC databases, the messages since 1999 are browsable but not searchable in RCIC at this time. It gen

Requests for Automated Radiated Emission Test S/W

1997-09-30 Thread Tom Bao
I appreciate your input on automated radiated/conducted emission test softwares beyond HP and R&S. The software should be CISPR 22 or ANSI C63.4 compliant. You experience with the software will be very helpful to me as well. If you are a vendor, please send your information directly to me at t.

Where to get Mil-Std

1997-08-28 Thread Tom Bao
Anyone please tell me where to get Mil-Std? I used to know it's somewhere in Princeton, NJ or Philidelphia area. Your help is greatly appreciated. Regards, Tom RCIC - http://www.rcic.com Regulatory Compliance Information Center

Re: Uncertainty calculations

1997-05-14 Thread Tom Bao
Peter, it's one of my favourite topics. Try ANSI C63.6-1988 Guide for the Computation of Errors in Open-Area Test Site Measurements, a couple of page standard, but it has some references as I remember. I would appreciate you share some of your findings, offline if not many interested. Best rega

EMC-PSTC Survey Result

1997-05-02 Thread Tom Bao
I conducted a survey in TREG and EMC-PSTC on April 10, 1997 with the intend to find out what is interested to each group of colleagues, TREG and EMC-PSTC so that I may send my questions to the right group without annoying the other. My grateful thanks to those who participated in the survey, es

Deregulate or Enforce

1997-04-11 Thread Tom Bao
Greetings, I talked with a colleague about the new FCC 15.32 on test of CPU boards this afternoon. We reached the following conclusion. Test Condition Margin CPU board Pass/Fail 1. cover removed less than limit pass 2. cover removed over limit not

TREG or EMC-PSTC

1997-04-11 Thread Tom Bao
As more and more colleagues joins treg or emc-pstc, I always ask myself a question. Which group should I send my question to? A general pratice we have seen here is to send it to both. Probably most of us do not care but it would be nice to know which group is more likely interested in my question

EN 60 825:1991 / EN 60 825-1:1994

1997-02-27 Thread Tom Bao
Please help Heiko. Thanks. >From: 100471.1...@compuserve.com >Date: Wed, 26 Feb 1997 20:01:27 -0500 > >Question: > >Inquiry in regard to EN 60 825:1991 / EN 60 825-1:1994 > > >The CENELEC technical board has decided in 1996 to prolong the >DOW date of EN 60 825-1:1994 up to 01.01.1997, since many

How the limits determined?

1997-01-15 Thread Tom Bao
Can anyone give me some background or history information on how the radiated and conducted emission limits were determined by FCC and CISPR, in terms of the field strength level? Any research supports the limit level? Any input will be greatly appreciated. Regards, Tom http://www.rcic.com

Re: Cellular Requirements, Digital Device

1996-12-17 Thread Tom Bao
spend the money in the first place? The answer is I don't know. :) Regards, Tom Bao http://www.rcic.com At 10:58 PM 12/16/96 PST, mvald...@netvision.net.il wrote: >Hello everyone, > >I just bought a cellular phone and read in the manual it generates about 600mW (mostly RF at ab

FCC SAR Requirement

1996-10-18 Thread Tom Bao
web? I surf around and found little. Probably not many people in the group interested in the topic. If some of you are interested, I'll setup a web page for SAR. It may benefit others when SAR is getting hotter. Best regards, Tom Bao http://uc.com/compliance_engineering/

Re: Reply on: EMC Directive....

1996-09-25 Thread Tom Bao
I promised Mirko that the guide will be available in RCIC by the end of last week. Well, sorry for the delay - many excuses :). But I've just finished the markup. Here is the URL http://uc.com/bin/dbml.dll?template=/rcic/emcguide which is located under RCIC regulation/standard section. Enjoy! A

Class D Limits of EN 61000-3-2

1996-08-02 Thread Tom Bao
Table 3 in EN 61000-3-2 gives us two limits to satisfy with, one is maximum permissible harmonic current per watt (mA/w), the other maximum permissible harmonic current (A). The power limit for Class D equipment is 600W so that you always have to meet the maximum permissible harmonic current per w

Repeated Messages

1996-07-23 Thread Tom Bao
Hello all, You may have noticed that there were several old messages sent to the groups from RCIC recently. It's a script problem when I tried to archive those messages. Along with the other truncated message problem, I decide to disable the VCH-to-Groups mail function until all of these problems

Re: TUV special requirements above CE

1996-07-19 Thread Tom Bao
Here is Martin' s full message: We are currently obtaining reports to prove compliance against the EMC & LV directive for some IT equipment. We have been told that "TUV-Berlin" have special requirements, or atleast require the reports from a specially accredited test house, in order to obtain cert

Re: Quotation marks

1996-07-19 Thread Tom Bao
Jim, the problem does exist when you are trying to send a message with double quotes to EMC-PSTC or TREG from RCIC message archive (VCH). That's because of my limited programming ability. If you directly sent the message to the group, I'm afraid that's the problem of your mail path. I have the s