Re: Flicker problem

expressed as 'dmax', the maximum relative voltage change, measured as an r.m.s. value over the worst half-cycle, starting from the zero-crossing. While I suppose there are sophisticated oscilloscopes that will make this measurement at the touch of a button, I wonder how many colleagues

RTTE - Telecom net equipment

Hi all, Telecommunication terminal equipment is covered by RTTE. What about the telecom equipment which shall be placed inside the operator telenet system ? (example inside the France Telecom system). I assume that RTTE is not applicable to this equipment. Is it the custom requirements from

Re: Ferrites experience ....... last comment

Hi all, Many thanks to all of you who participated in this ferrite discusson. I have leard a lot about ferrites the last 10 days. In my special case, I would like to give you some information: We had a problem with conducted emisson on the DC supply line to a telecom product. The harmonic

RE: FCC labels

All, Correct me if I'm reading too much into this but I believe that if you read far enough in 15.19 it says that if the device is too small to include the wording that you can simply put the statement in the users manual. Bill Fleury -Original Message- From: Peter Merguerian

Pre-IPO Optical Networking Compliance Engineering position open

Compliance Engineering position available in Silicon Valley: You will ensure the compliance, including design input and project management, of Opthos products with all relevant standards, including EMC, and Environmental qualifications for the Telco Market per Bellcore GR 1089, GR 63, UL 1950 and

Re: EN61000-3-2 and 3-3

nebbijcjclfkanmapeiccemjccaa.ctho...@patton.com, Courtland Thomas ctho...@patton.com inimitably wrote: Can anyone tell me what the latest release date is for the subject standards? I have 1995 for both and am wondering if there are any later releases. EN61000-3-2 has had 3 amendments before last

RE: Chinese GB/T17626.6-1998 standard

BSI translates many standards. Give them a call. Richard Woods -- From: Clement Dave-LDC009 [SMTP:dave.clem...@motorola.com] Sent: Wednesday, March 14, 2001 2:45 PM To: 'geor...@lexmark.com'; david_l_tarnow...@email.whirlpool.com Cc: emc-p...@ieee.org Subject: RE: Chinese

code of conduct for low power supplies

Hi Group, Last week I mentioned the introduction of new regulations for the power limitation of small power supplies. I looked up the document and can tell you the following: Currently this regulation exist in the from of a Code of conduct: -- The European Commission has prepared a Code of

RE: Chinese GB/T17626.6-1998 standard

The Chinese are not generating official english copies of these standards. You will either need to find a service that has them translated or have it done your self. David Clement Motorola Inc. Global Homologation Engineering 20 Cabot Blvd. Mansfield, MA 02048 P: 508-261-4389 F: 508-261-4777

Re: EEE4

Chris and group: These terms and their definitions may be found in the ISO14000 standard and its supporting documents. Environmental impact comes word for word from ISO14001 para 3.4. In the EMS scheme of things, enviromental impact includes the complete life cycle of the equipment from raw

Chinese GB/T17626.6-1998 standard

Happy Wednesday, everybody! Is it true that the GB/T17626.6-1998 standard is China's version of IEC61000-4-6? Does anyone know how I can get a copy (in English)? Dave Tarnowski Whirlpool Corporation

RE: Recommendations for a portable spectrum analyzer?

Many thanks to everyone who responded. I've got a few models to go with now, and I'll start looking. A substantial help. Thanks again. Paul O'Shaughnessy Affymetrix, Inc. --- This message is from the IEEE EMC Society Product Safety Technical

EN61000-3-2 and 3-3

Hello group, Can anyone tell me what the latest release date is for the subject standards? I have 1995 for both and am wondering if there are any later releases. Thanks, Courtland Thomas Patton Electronics --- This message is from the IEEE EMC Society

RE: Flicker problem

I see, thanks. I can stop panicking now(for the time being) -Original Message- From: Wagner, John P (John) [SMTP:johnwag...@avaya.com] Sent: 14 March 2001 15:14 To: EMC-PSTC; Colgan, Chris Subject: RE: Flicker problem I think this refers to Amendment 1of IEC 61000-3-3

RE: Recommendations for a portable spectrum analyzer?

Oops! Typo . . . $16 would've been a GREAT bargain!! Thanks to Gary McInturff for pointing it out! It should've been $16K . . . . John Juhasz Fiber Options -Original Message- From: John Juhasz [mailto:jjuh...@fiberoptions.com] Sent: Wednesday, March 14, 2001 8:17 AM To:

RE: FCC labels

Steve, Here is the pertinent information out of CFR 47. The missing paragraphs talk about other types of devices and their markings, but you can look the whole thing up at http://www.rcic.com/reg/fcc/clauses/15.19.htm http://www.rcic.com/reg/fcc/clauses/15.19.htm (and a thanks to the RCIC

RE: ITE/Telecom Equipment for Japan

Under the current regulations, EMC approval (VCCI) is voluntary and the only ITE that requires safety approval is AC adapters (the T mark). Will that change after April? Richard Woods -- From: Anderson Cheng(TPE) [SMTP:anderson_ch...@htc.com.tw] Sent: Tuesday, March 13, 2001 10:17 PM

RE: Recommendations for a portable spectrum analyzer?

Paul, I bought a portable HP (just before it became 'Agilent' - ugh) 7401 EMC analyzer. It only goes up to 1.5Ghz, but I think there is a version that goes higher. It has a built-in hard disk, and a 3.5 floppy drive (it for saving data - traces, analyzer state, and screen, as well as loading

RE: FCC labels

Steve, According to CFR 47 Part 15 the label on the unit must contain the complete statement in your first paragraph. This requirement is in paragraph a(3) of section 15.19 Labeling Requirements. This paragraph states that the device shall bear the statement in a conspicuous location on the

FCC labels

Using the FCC verification procedure for a Class A digital device, does the label on the unit have to contain the complete statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and

RE: Flicker problem

Er, what amendment? Chris Colgan Compliance Engineer TAG McLaren Audio Ltd The Summit, Latham Road Huntingdon, Cambs, PE29 6ZU *Tel: +44 (0)1480 415 627 *Fax: +44 (0)1480 52159 * Mailto:chris.col...@tagmclarenaudio.com * http://www.tagmclarenaudio.com -Original Message- From:

Re : Battery directive

Hi James, If I am not wrong, the two possible symbols might be: 1) Three-Chasing-Arrow symbol (Recycle Mark) 2) The symbol consists crossed-out wheeled bin as attached weee-go1.gif Regards, Anderson Cheng -原始郵件- 寄件者: goedd...@sensormatic.com [SMTP:goedd...@sensormatic.com] 傳送時間:

RE: ITE/Telecom Equipment for Japan

Hi Peter, It depends on the configurations of your products. Since the Japan safety law is going to be changed from April 1, 2001. My understanding is that the ITE power supply (Category A products) shall obtain the PSE-mark approval. With the aid of CB report will be helpful to shorten the

RE: Recommendations for a portable spectrum analyzer?

Paul, The Agilent Technologies has a decent product, E74000 series portable EMC Spectrum Analyzer. For more info go to: http://www.tm.agilent.com/classes/MasterServlet?view=productgroup_2pgr- ItemID=100212language=englocale=US Leszek M. Langiewicz PHOGENIX IMAGING, LLC EMC / Safety, Power

Recommendations for a portable spectrum analyzer?

Dear List, I am looking to purchase (new or used) a good general purpose spectrum analyzer, mostly for use with an EMCO sniffer loop set for locating hot boards, shields, and cables, panel joints which are leaking, etc. The frequency range of interest is up to a few GHz (this is to assist with