Re: [PSES] Origin of steps in radiated emissions limit lines

2022-05-03 Thread T.Sato
r-on-electromagnetic-emanations-part-3/ Regards, Tom -- Tomonori Sato URL: http://t-sato.in.coocan.jp - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send y

Re: [PSES] How to Measure Surface Conductivity?

2023-04-13 Thread T.Sato
; 3. Used our Ground Bond Tester set to 60 amps. One plate measured 3-4mΩ, > the other 1-3mΩ If you want to ignore the contact resistance, did you tried four-point probe method? https://www.suragus.com/en/technology/four-point-probe/ Regards, Tom - --

Re: [PSES] Conducted emissions for Split-phase 120/240V needs three-phase LISN?

2024-04-05 Thread T.Sato
, although I would prefer to use a single 3-phase LISN. BTW, there maybe confusion with the term "single-phase LISNs" here. Is it LISNs commonly used for single-phase AC supply? Or is it LISNs for an single power supply

Re: [PSES] Conducted Immunity test for EMC

2024-02-27 Thread T.Sato
pling > device” forms the ‘D’ of decoupling part. Yes, and it is the horizontal distance, not the cable length. Clause 7.8 of the standard clearly says: The injection point shall be located between 0,1 m and 0,3 m from the geometric projection of the EUT on to the reference ground plane. T

RE: HIRF Testing

2004-03-04 Thread owner-emc-p...@majordomo.ieee.org
to get other quotes. No response to these queries. Has anyone else has similar experience with them? Thanks, Tom Donnelly EMC Engineer Smiths Aerospace 973-428-9898 x445 tdonne...@act-sys.com Tom: I'm not familiar with N8110, but allow me to say a few things. 3,000 V/m is a rather high field

RE: IEC 61000-4-4 ed.2, verification of CDNs

2007-06-14 Thread emc-p...@ieee.org
*** ... and the figure in the corrigendum tells us the same thing. It is exactly what I thought first, but I'm afraid that many of the old equipment will not pass this verification. Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ -Original Message- From

Northeast Product Safety Society Meeting Tomorrow, October 26th

2011-10-25 Thread emc-p...@ieee.org
that should be considered.. Tom Savino has been a Senior Product Safety Engineer since 1998. He tests and evaluates various types of equipment and machineries to various standards including medical, laboratory/measurement, and office. Much of this equipment has lasers, and must be evaluated

Northeast Product Safety Society Meeting Next Wednesday, October 26th

2011-10-19 Thread emc-p...@ieee.org
that should be considered.. Tom Savino has been a Senior Product Safety Engineer since 1998. He tests and evaluates various types of equipment and machineries to various standards including medical, laboratory/measurement, and office. Much of this equipment has lasers, and must be evaluated

Northeast Product Safety Society Meeting Wednesday, October 26th

2011-10-11 Thread emc-p...@ieee.org
that should be considered.. Tom Savino has been a Senior Product Safety Engineer since 1998. He tests and evaluates various types of equipment and machineries to various standards including medical, laboratory/measurement, and office. Much of this equipment has lasers, and must be evaluated

RE: GPS receiver and RTTE directive

2009-12-02 Thread emc-p...@ieee.org
we can always say something like It appears there are no harmonised standard which exactly covers GPS receiver, so we would recommend to use EN 300 440 instead anyway, but its better for me to have some justification. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3

Re: WHAT GOES AROUND COMES AROUND

2009-07-21 Thread emc-p...@ieee.org
Forwarding message from Robert Macy On Jul 13, 2009, at 3:09 PM, m...@sfo.com wrote: Hi Tom, You may have to forward to the group for me, .org seems to reject my emails of late. I invented very sensitive magnetic field detection sensor technology that can replace SQUIDS

RE: UL60950 3rd vs UL60950-1

2004-06-11 Thread owner-emc-p...@listserv.ieee.org
-0636 From: douglas_beckw...@mitel.com [mailto:douglas_beckw...@mitel.com] Sent: Friday, June 11, 2004 2:12 PM To: Sykes, William Thomas (Tom) Cc: emc-p...@ieee.org; 'jgoedd...@tycoint.com'; owner-emc-p...@listserv.ieee.org Subject: RE: UL60950 3rd vs UL60950-1 The one I have was revised

RE: FCC Part 18 - measurement at closer distance

2004-07-08 Thread owner-emc-p...@listserv.ieee.org
http://www.ieee-pses.org/symposium http://www.emc2004.org/ Tom, I have had experience submitting data taken at a closer distance than specified, although in this case it was 120kHz RF-ID systems. At close distances the FCC allows 1/d^2, but the reality is closer to 1/d^3 at 3, 10

Re: FCC Part 18 - measurement at closer distance

2004-07-08 Thread owner-emc-p...@listserv.ieee.org
at closer distance http://www.ieee-pses.org/symposium http://www.emc2004.org/ -- Tom, I am assuming your device operates at 13.56 MHz. I ran a NEC-2 simulation over average GND and the reduction in field strength is: DX 1/d NEC

RE: Average Detection

2004-08-23 Thread owner-emc-p...@listserv.ieee.org
] On Behalf Of Tom Cokenias Sent: August 23, 2004 6:51 AM To: Ridler, Samantha; 'EMC-PSTC@LISTSERV.IEEE.ORG' Subject: Re: Average Detection Hello Samantha, For analyzers that do not incorporate an average detector, the FCC has specified settings of RBW 1 MHz and VBW of 10 Hz for average

Re: Cable Shielding

2004-10-14 Thread owner-emc-p...@listserv.ieee.org
...@ieee.org Subject: RE: Cable Shielding Tom, Using a double braided shield will improve the coverage to 99%. I would guess that having an insulating layer between the shields might allow return currents to pass along the inner shield with the outer providing an overall shield, but that would

RE: Cable Shielding

2004-10-14 Thread owner-emc-p...@listserv.ieee.org
Tom, Using a double braided shield will improve the coverage to 99%. I would guess that having an insulating layer between the shields might allow return currents to pass along the inner shield with the outer providing an overall shield, but that would require some creative termination

RE: HIRF Test Facility

2004-11-15 Thread owner-emc-p...@listserv.ieee.org
to test from 10 kHz to 40 GHz but at lower levels. I have a fairly large system for testing so I am leaning towards a reverb chamber to get around small antenna beam width issues. Any leads for a test house, or advice on doing this testing is appreciated. Thanks, Tom Donnelly

RE: difference of harmonization and approximation

2005-02-15 Thread owner-emc-p...@listserv.ieee.org
Tom As I see it: The term approximation is used in respect of the process of the alignment of the member countries' national legislations with a specific Directive, as the Commission and Parliament do not generally like to dictate exactly how the former shall be worded (although I believe

RE: CE Mark disambiguation

2005-08-15 Thread emc-pstc@LISTSERV.IEEE.ORG
This is a multi-part message in MIME format. William, Thank you, this is close enough. -Doug Doug Powell, Staff Engineer Corporate Compliance Dept. Advanced Energy Industries Inc. _ From: Sykes, William Thomas (Tom) [mailto:wsy...@lucent.com] Sent: Monday, August 15, 2005 12

RE: EFT/Burst Immunity Question

2006-05-17 Thread emc-p...@ieee.org
, you are required to do L N separately. - If the product standard specifies IEC 61000-4-4:2004, you are required to test them simultaneously. See Tom Sato's reply on the issue further done in this email. You are free to test additional combinations of L N (I know, there aren't many choices

RE: EN 55022:1998

2007-01-25 Thread emc-p...@ieee.org
Tom My understanding is that these two amendments were added to the 1994 version in error although I do not have official confirmation of that as of yet. If it is agreed that they are in error a corrigendum will be issued fairly soon. John John McAuley Compliance Engineering Ireland Ltd

Re: [PSES] Looking for Gaussmeter for measurements up to 250 kHz

2013-01-04 Thread Ken Javor
up to 250 kHz Hi Tom, Thanks. I checked FW Bell web site and their models 8010 and 8030 cover only up to 50 kHz. I will call them to find out if they have any model which supports 250 kHz range. Regards Ravinder Ajmani HGST, a Western Digital company ravinder.ajm...@hgst.com Thomas

Re: [PSES] Ecma TR-106 available

2013-02-26 Thread Ron Pickard RPQ
Hi Rich, Thank you and Tom getting this out to us. After reviewing this document, I noticed that it references IEC 62368 Edition 1. As this Edition 1 was voted down I believe by most NCBs causing Edition 2 to be created, will ECMA be updating this document to reflect a comparison to IEC 62368

Re: [PSES] Ecma TR-106 available

2013-02-26 Thread Richard Nute
, Ron Pickard RPQ wrote: Hi Rich, Thank you and Tom getting this out to us. After reviewing this document, I noticed that it references IEC 62368 Edition 1. As this Edition 1 was voted down I believe by most NCBs causing Edition 2 to be created, will ECMA be updating this document to reflect

Re: [PSES] How to determine EU RTTE class.

2013-04-12 Thread Crane, Lauren
Hi, Tom. Sorry I left out that key detail. This is inductive coupled communication (and charging). Charlie Blackman sent me a lead on RTTE guidance from CEPT. I am fairly certain this device can be considered Class 1, sub-class 74 under RTTE. The mag field for the communications is quite

Re: EMC-related safety issues

2002-01-06 Thread Ken Javor
measurements. on 1/4/02 12:51 PM, Tom Cokenias at t...@tncokenias.org wrote: At 8:34 AM -0500 1/4/2002, Keith Armstrong wrote: Does anyone else think that ordinary semiconductors doesn't respond to RF? I agree that commonly used semiconductors have responses well into the 100's of MHz

Re: [PSES] CISPR 32, colour bar with moving element

2014-04-10 Thread T.Sato
colour bar with moving element (level 4) can be used. Anyway, I think the difference of the display test pattern is relatively small problem. There are more burdensome differences in, for example, EUT setup, test method for 1 GHz and above. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL

Re: [PSES] CISPR 32, colour bar with moving element (ITU-R BT.1729)

2014-06-06 Thread Pettit, Ghery
@LISTSERV.IEEE.ORG Subject: Re: [PSES] CISPR 32, colour bar with moving element (ITU-R BT.1729) Hi Tom, I just found your posting of the ITU-R BT.1729 colour bar test pattern. This is great! Does this fully implement the ITU-R BT.1729 colour bar test pattern? ** BOUNCING BALL: I couldn't find anything

Re: [PSES] Automotive Directive 2004/104/EC and EN 55012

2014-06-11 Thread Luke Turnbull
with people who know the story - chapter and verse. Luke Turnbull -Original Message- From: McCallum, Andy [mailto:andy.mccal...@mottmac.com] Sent: 11 June 2014 13:18 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Automotive Directive 2004/104/EC and EN 55012 Hi Tom But the difference

Re: [PSES] IEC 61000-1-2 Ed.4 (2014) Table 9

2016-05-27 Thread T.Sato
it is the requirement of the standard. Regarding to the assumed minimum separate distance of 30 cm, if closer distance may be reasonably foreseeable in actual use, smaller separate distance hence higher electromagnetic field levels (i.e. test levels) may need to be assumed. Regards, Tom --

Re: [PSES] application of CISPR 32 to EUTs with integrated radio transmitters

2017-07-21 Thread James Pawson (U3C)
Hi Tom, I appreciate your argument, it's something I've discussed with colleagues in the past. I have tested a few products where the digital bus to the radio module has caused EMC problems. These emissions have only been visible when data is being actively transferred across the CPU - digital

Re: [PSES] LISN Calibration Measurement Uncertainty

2017-09-13 Thread T.Sato
mpedance spec down to 150 kHz, and its EUT port impedance is j4.7 ohms at 150 kHz. Regards, Tom -- Tomonori Sato <vef00...@nifty.com> URL: http://t-sato.in.coocan.jp >> From: "T.Sato" <vef00...@nifty.com> >> Reply-To: "T.Sato" <vef00...@nif

Re: Need help with Japanese language draft standard

2003-07-21 Thread T.Sato
- modification of requirements for ADSL/SSDSL terminals - modification of requirements for cable modems Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http://member.nifty.ne.jp/tsato/ This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our

RE: Load Cells for Radiated Susceptibility Testing

2003-09-22 Thread Mike Cantwell
suggestions on vendors? Thanks, Tom Donnelly Smiths Aerospace Actuation Systems tdonnelly@act-sys This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail

ANSI TL 315 1994

2003-10-15 Thread Stone, Richard
wrote: If the centrifuge is used for blood, then it is covered under the MDD. Maybe the In-Vitro Directive, if the centrifuge is intended to be used for in-vitro diagnostic applications. Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http://member.nifty.ne.jp/tsato/ This message is from

RE: Balun of bi-conical antenna.

2003-10-13 Thread Donnelly, Thomas
The ETS catalog confirms this antenna does in fact have a balun built in. Tom Donnelly Smiths Aerospace Actuation Systems tdonnelly@act-sys From: Luke Turnbull [mailto:luke.turnb...@trw.com] Sent: Monday, October 13, 2003 6:56 AM To: emc-p...@ieee.org; ywle...@vtc.edu.hk Subject: Re: Balun

Re: 863MHz for US

2004-01-28 Thread owner-emc-p...@majordomo.ieee.org
was fixed. Depending on what you use your product for, this might present problems that make it impractical to market such a product. Hope this helps. best regards Tom Cokenias T.N. Cokenias Consultingwww.tncokenias.org P.O. Box 1086 El Granada CA 94018 tel 650 726 1263 fax 650 726 1252

RE: EMC chamber door lubricant?

2004-01-13 Thread owner-emc-p...@majordomo.ieee.org
this is a good lubricant, and will work very well from a mechanical standpoint, I would have concerns from an electrical standpoint. WD-40 is not conductive and will cause the shielding effectiveness of the RCM to degrade somewhat. Tom Donnelly I agree that the WD-40 is not a conductive

RE: EMC chamber door lubricant?

2004-01-13 Thread owner-emc-p...@majordomo.ieee.org
. Tom Donnelly From: bob.edwa...@invensys.com [mailto:bob.edwa...@invensys.com] Sent: Tuesday, January 13, 2004 3:40 AM To: emc-p...@majordomo.ieee.org Subject: EMC chamber door lubricant? Can anyone recommend a spray-on grease which doesn't dry out too quickly for gasket lubrication on EMC

RE: HIRF Testing

2004-03-04 Thread owner-emc-p...@majordomo.ieee.org
requested they contact me twice on their web page to get other quotes. No response to these queries. Has anyone else has similar experience with them? Thanks, Tom Donnelly EMC Engineer Smiths Aerospace 973-428-9898 x445 tdonne...@act-sys.com This message is from the IEEE EMC Society Product

RE: Magnetic Field Meters

2011-09-14 Thread emc-p...@ieee.org
and can become quite useless for reference levels not supported by the meter. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering

Re: One Channel Spread Spectrum Device

2011-08-24 Thread emc-p...@ieee.org
Hi Grace Which section you use, 15.247 or 15.249, will depend on the output power or radiated field strength of the fundamental frequency. Best regards Tom Sent from my iPhone On Aug 24, 2011, at 11:35 AM, Grace Lin graceli...@gmail.com wrote: Dear Members, Do

Re: Beta Test

2011-08-10 Thread emc-p...@ieee.org
Hi Bob See sec 2.1204 Import Conditions They allow between 200and 2000 of each model depending on product type as defined in this paragraph Best regards Tom T.N. Cokenias Consulting Sent from my iPhone On Aug 10, 2011, at 9:56 AM, rehel...@mmm.com wrote: Is there a limitation

Re: Site Validation above 1GHz per CISPR16-1-4 for a 3m Semi-anechoic Chamber

2010-08-06 Thread emc-p...@ieee.org
difficult to achieve low SVSWR. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to emc-p...@ieee.org All emc-pstc

Re: Site Validation above 1GHz per CISPR16-1-4 for a 3m Semi-anechoic Chamber

2010-08-05 Thread emc-p...@ieee.org
. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to emc-p...@ieee.org All emc-pstc postings are archived

Re: Agency Probes Gas Pedals' Link to EMI

2010-02-05 Thread emc-p...@ieee.org
Gas Pedals' Link to EMI This might be of interest to the group, especially those involved with EMC immunity testing of automotive parts. best regards Tom http://www.interferencetechnology.com/markets/automotive/lead-news- item/article/agencies-probe-link-between-gas-pedals-and-emi.html

RE: Audio pre-amp needed

2009-04-14 Thread emc-p...@ieee.org
unit to power the box. Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to emc-p...@ieee.org All emc-pstc postings

Re: FCC ** LOGO vs Verification Label RequirementT***

2009-04-02 Thread emc-p...@ieee.org
certification per 15.101, yes? best regards Tom On Apr 1, 2009, at 3:49 PM, Dennis Ward wrote: Of course, having said that someone will probably pull out of the hat the one instance where some obscure intentional

Re: Who is responsible for the conducted noise injected into A.C mains

2004-03-13 Thread owner-emc-p...@majordomo.ieee.org
operating near a computer - the 27 MHz will couple into the power lines and perhaps will result in line conducted emissions that exceed the limits, but it's not an equipment authorization issue. - or so it seems to me. best regards Tom Cokenias T.N. Cokenias Consulting www.tncokenias.org P.O

Re: Understanding the standard (was Medical Electrical Equipment)

2004-03-12 Thread owner-emc-p...@majordomo.ieee.org
for immunity in acoordance with the requirements of 60601, we don't have to show that the equipment would not affect the essential performance or safety of the system, hance no risk analysis would not be required here. That is what the clause of the standards says, I think. Regards, Tom Tomonori Sato

Re: HIRF Testing

2004-03-05 Thread owner-emc-p...@majordomo.ieee.org
similar experience with them? Thanks, Tom Donnelly EMC Engineer Smiths Aerospace 973-428-9898 x445 tdonne...@act-sys.com --- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web

Re: What does the CE mark mean for EMC

2004-05-03 Thread owner-emc-p...@majordomo.ieee.org
Ken, This information should be on the mfr's Declaration of Conformity for the product. best regards Tom At 2:16 PM -0500 5/3/04, Ken Javor wrote: From the responses I am getting, I was not clear in my original query. If I have bought, or wish to buy a product with a CE mark applied, how

OT: RE: Viruses

2004-04-07 Thread owner-emc-p...@majordomo.ieee.org
Worm. If this continues I will be forced by my company to withdraw from the group. Anyone else in the same boat? Tom: These are spoofed addresses. They do not originate from the group, nor from the individuals indicated. I traced down a couple of them, and they were coming from a high school

RE: In-house LISN calibration

2004-05-06 Thread owner-emc-p...@majordomo.ieee.org
the LISN's to meet the curve with the filters attached. Anyone else run into this problem? Tom Donnelly Smiths Aerospace Actuation Systems 973-428-9898 x445 tdonne...@act-sys.com From: Bill Stumpf [mailto:bstu...@dlsemc.com] Sent: Wednesday, May 05, 2004 2:50 PM To: 'emcp...@aol.com'; emc-p

Re: ESD test of portable mobile phone.

2004-06-17 Thread owner-emc-p...@listserv.ieee.org
. Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. IEEE PSES Main Website: http://www.ieee-pses.org/ To post a message send your e-mail to emc-p...@ieee.org

RE: FCC Part 18 - measurement at closer distance

2004-07-08 Thread owner-emc-p...@listserv.ieee.org
think that another extrapolation method may be permitted for compliance with the section of the FCC rules, and somebody here may have experience to use the method other than applying 1/d. That's why I posted the question here. Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http

Re: How Long to Adopt Latest IEC Standard?

2004-08-31 Thread owner-emc-p...@listserv.ieee.org
opinion only. Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list.Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to emc-p

Re: Average Detection

2004-08-23 Thread owner-emc-p...@listserv.ieee.org
and now 802.11 radios operating under 15.247 of the Rules. best regards Tom Cokenias T.N. Cokenias Consulting P.O. Box 1086 El Granada CA 94018 tel 650 726 1263 fax 650 726 1252 cell 650 302 0887 At 8:21 AM +0100 8/23/04, Ridler, Samantha wrote: Hello All FCC part 18 requires the use

Formation Meeting for the Chicago IEEE PSES Chapter

2004-10-06 Thread owner-emc-p...@listserv.ieee.org
Pfingsten Road Northbrook, IL Time: 6:00pm - 7:30pm Please let either of us know if you plan to attend. Announcement of this meeting will NOT appear in SCANFAX this time so please spread the word to your colleagues! RSVP to: Tom Brenner - 847/ 537-6400 tbren...@dlsemc.com

Re: HIRF Test Facility

2004-11-12 Thread owner-emc-p...@listserv.ieee.org
. Any leads for a test house, or advice on doing this testing is appreciated. Thanks, Tom Donnelly Smiths Aerospace Actuation Systems 973-428-9898 x445 tdonne...@act-sys.com This message is from the IEEE Product Safety

Re: proximity readers CE marking

2005-01-08 Thread owner-emc-p...@listserv.ieee.org
/radiotte.html best regards Tom Cokenias T.N. Cokenias Consultingwww.tncokenias.org P.O. Box 1086 El Granada CA 94018 tel 650 726 1263 fax 650 726 1252 cell 650 302 0887 At 12:31 AM +0100 1/9/05, Konrad StefaŸski wrote: Hello all I would like ask you about harmonised

Re: Can't access the archives

2001-08-29 Thread Art Michael
to express your thanks to Tom Bao tomj...@yahoo.com for publishing and maintaining RCIC for the past 6 years. It was a useful resource for our industry and will be missed. Best regards, Art Michael Int'l Product Safety News(devoted to electrical product safety compliance) A.E. Michael, Editor 166 Congdon

IMPORTANT ANNOUNCEMENT - FAQ: Sources of EMC Safety Compliance Information

2001-08-15 Thread Bill Lyons
-language version, hosted by Tom Sato vef00...@nifty.ne.jp, will continue at: http://member.nifty.ne.jp/tsato/seec-faq The textfiles will continue for some time to be available from my website http://www.lyons.demon.co.uk as files seecfaq1.txt and seecfaq2.txt BUT WILL NOT BE UPDATED Martin

RE: How to become self certifying for FCC (IT equipment)?

2002-06-13 Thread Peters, Michael
Reginald, The criteria is in 47 CFR 2.948 (Part 2 of the FCC rules). The contact person was/is Tom Phillips (OET office). I would recommend contacting him before undertaking the task and checking out the FCC website for information, specifically the OET office (Office of Engineering

14 May SCV EMC Society Meeting Notice

2002-05-13 Thread Tom Cokenias
List-Post: emc-pstc@listserv.ieee.org Date: May 14, 2002 (second Tuesday of the month) Society Chapter: IEEE EMC Society Subject: EMC REGULATIONS AND REGULATORS: WHAT'S NEW, WHO'S WHO Speaker: Barbara Judge, Compliance Certification Services Time: 5:30 Social, 7:00 Presentation Place:

Re: Magnetic field immunity in the Arctic regions

2000-01-25 Thread Robert Macy
Tims Compliance Engineer -Original Message- From: Robert Macy [SMTP:m...@california.com] Sent: Tuesday, January 25, 2000 11:42 AM To: Tom Cokenias; Peter Poulos; emc-p...@ieee.org Subject: Re: Magnetic field immunity in the Arctic regions Don't need SQUIDs to read earth's field

RE: Making Standards Free

2006-01-09 Thread emc-p...@ieee.org
-Original Message- From: Sykes, William Thomas (Tom) [ mailto:wsy...@lucent.com] Sent: Monday, January 09, 2006 12:56 PM To: 'brian_ku...@leco.com'; emc-p...@ieee.org Subject: RE: Making Standards Free All: SNIP Part of End User License Agreement (EULA) for IEC docs

RE: Making Standards Free

2006-01-09 Thread emc-p...@ieee.org
-Original Message- From: Sykes, William Thomas (Tom) [ mailto:wsy...@lucent.com] Sent: Monday, January 09, 2006 12:56 PM To: 'brian_ku...@leco.com'; emc-p...@ieee.org Subject: RE: Making Standards Free All: Please don't bite into the myth that US Federal, Government

RE: PSE marking for Japan

2006-01-09 Thread emc-p...@ieee.org
power supply units which are aleady PS-E marked under the manufacturer's own responsibility. Please also note that the power cord may also need to be PS-E marked if it is of a detachable one. Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato

Re: Loose ferrites

2006-10-20 Thread emc-p...@ieee.org
Hi Asim, As long as you supply the ferrites and installation instructions to the user, it's been an acceptable practice with FCC for many years. best regards Tom Cokenias T.N. Cokenias Consulting P.O. Box 1086 El Granada CA 94018 tel 650 726 1263 fax 650 726 1252 cell 650 302 0887 On Oct 20

Re: EN 55022:1998

2007-01-25 Thread emc-p...@ieee.org
for? Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list.Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to emc-p...@ieee.org

RE: IEC 61000-4-4 ed.2, verification of CDNs

2007-02-07 Thread emc-p...@ieee.org
it actually mean 1m, or is it intended to be 0.5m? Regards, Tom Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list.Website: http://www.ieee-pses.org/ To post a message

Re: [PSES] Antenna Pattern for 2.4 GHz and 5GHz

2012-02-23 Thread Thomas Cokenias
Hi Christopher Check with UL CCS in Fremont, they have two antenna pattern test chambers. www.ccsemc.com Good luck, best regards Tom On Feb 23, 2012, at 1:22 PM, Christopher wrote: Folks, I would like to get the antenna patterns for our 802.11 Access point Antenna's. I am looking

Re: [PSES] RTTE compliance test reports

2012-02-28 Thread Thomas Cokenias
therein. This means you can do tests at your location if you already have the equipment. best regards Tom Cokenias T.N. Cokenias Consulting P.O. Box 1086 El Granada CA 94018 On Feb 28, 2012, at 8:07 AM, Scott Xe wrote: I notice that some compliance reports of RTTE are reviewed by a notified

Re: [PSES] SV: SRD for Japan

2012-04-04 Thread T.Sato
, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to emc

Re: [PSES] EN 61000-4-5 Lightning Surge Testing on AC Power

2012-06-01 Thread T.Sato
, lower levels here may be the lower levels specified in clause 5 of the standard. See also Guidance Note Addresses Surge Test Problems, at: http://www.ce-mag.com/archive/02/11/williams.html Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato

Re: [PSES] Looking for Gaussmeter for measurements up to 250 kHz

2013-01-04 Thread Thomas Cokenias
Tom On Jan 4, 2013, at 8:55 AM, ravinder.ajm...@hgst.com wrote: Hello Experts, I am looking for a Gaussmeter to measure DC and AC magnetic fields up to 250 kHz. I have tried searching on line but am unable to find one which covers such high frequency. I will appreciate any help

Re: [PSES] ELF

2013-02-20 Thread Thomas Cokenias
Hi Lauren ELF and VLF emissions are a concern for SEM installations since the B field can possible distort the electron beam SEMI EMC calls it out Best regards Tom Sent from my iPhone On Feb 20, 2013, at 10:45 AM, Crane, Lauren lauren.cr...@kla-tencor.com wrote: Is ‘ELF’ (as in ‘ELF EMI

[PSES] Ecma TR-106 available

2013-02-25 Thread Richard Nute
Posted on behalf of Tom Burke, UL: More good news for those seeking to learn more about IEC 62368-1 as the ICT Industry prepares for the eventual transition from IEC 60950-1 (and IEC 60065) to IEC 62368-1. ECMA International, previously known as the European Computer Manufacturers

Re: [PSES] Surge Test Power Supply Class 2 acc. EN61000-4-5

2013-03-08 Thread T.Sato
as is? Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail

Re: [PSES] FCC and very low-power wireless devices

2013-03-12 Thread Thomas Cokenias
Hi John Section 15.209 has general requirements for radiated emissions for intentional radiators (transmitters). At these frequencies you would be allowed 200 uV/m at 3m, not much but you aren't allowed higher power until you get to 902-928 MHz band. best regards Tom On Mar 12, 2013, at 12

Re: [PSES] RS ENV216 Two-Line V-Network Reference Ground

2013-03-28 Thread T.Sato
, to the side plate. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list

Re: [PSES] How to determine EU RTTE class.

2013-04-11 Thread Thomas Cokenias
Hi Lauren Is this over the air 1700 kHz transmission or conducted over wire or AC mains? best regards Tom Cokenias On Apr 10, 2013, at 4:00 PM, Crane, Lauren wrote: I am looking for advice on how to determine the EU RTTE class of a product. The product has a base station and a sensor

Re: [PSES] FCC and 2.4 Ghz Limits

2013-05-23 Thread Thomas Cokenias
Peter, these are in paragraph 15.247 of 47CFR15 (Part 15 of FCC Rules) best regards Tom On May 22, 2013, at 11:40 PM, Peter Merguerian wrote: ISM-2.4 Freq. Range: 2400-2483.5 MHz Bandwidth: 83.5 MHz Max TPO PtM: 30 dBm (1 Watt) Max EIRP PtM: 36 dBm (4 Watts) Max TPO PtP: 30 dBm (1

[PSES] IEC 61000-4-4 test setup for EUT which have casters

2013-05-24 Thread T.Sato
coating on a metallic structure., so I think we should put the casters, which have plastic wheel but metal hub and metal supporting structure so probably not bulk non-conducting, on 0.1 m insulating support in this case. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3

Re: [PSES] IEC 61000-4-4 test setup for EUT which have casters

2013-05-27 Thread T.Sato
it would far easier to put such EUTs on 0.1m insulating support as far as possible also for 61000-4-4 testing. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE

Re: [PSES] Japan METI Ordinance 1

2013-06-03 Thread Brian Oconnell
: Japan METI Ordinance 1 On Mon, 3 Jun 2013 09:15:53 -0700, Peter Merguerian pmerguerian2...@yahoo.com wrote: Hi, does anyone know where I can purchase METI Ordinance 1? Can you explain what is the METI Ordinance 1? Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3

Re: [PSES] 10 MHz mag field for EN 61000-4-10

2013-06-18 Thread T.Sato
field using IEC 61000-4-18 generator and the test method described in IEC 61000-4-10. At least for slow damped oscillatory magnetic field, some manufactures offer their IEC 61000-4-18 test generator as the current source, I think. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http

Re: [PSES] Ground Plane Grounding in the Immunity Lab

2013-08-23 Thread T.Sato
become troublesome to weld thick metal sheets placed on the floor, and some material may not suitable for welding. I rather like not to weld and bond them with other means. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato

ANSI C63.4 volumetric NSA

2011-06-30 Thread emc-p...@ieee.org
enough for ANSI C63.4, for EUTs which may completely fill a typical 1m x 1.5m table? Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety

Re: Voltage Probe Per CISPR 16-1-2 (ANSI C63.4)

2010-11-21 Thread emc-p...@ieee.org
serious consequences. Regards, Tom -- Tomonori Sato vef00...@nifty.ne.jp URL: http://homepage3.nifty.com/tsato/ - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message

Re: NTIA Certification process for 4.5GHz point to point microwave radio

2010-10-12 Thread emc-p...@ieee.org
govt or military. best regards Tom T.N. Cokenias Consulting P.O. Box 1086 El Granada CA 94018 tel 650 726 1263 fax 650 726 1252 mobile 650 302 0887 On Oct 12, 2010, at 1:52 PM, Christopher wrote: Folks, I am trying to understand what steps we need to take to certify a 4.5GHz radio product

RE: Antenna Calibration/Site Attenuation

1997-08-25 Thread Cortland Richmond
/Site Attenuation Tom, Did you get to the presentation about getting the most out of a biconical antenna? Some thoughts contained there on antenna calibration, too. I found some time ago that using antennas does lead to the kind of mutual coupling Martin talked about, and also

Just A Reminder for the Santa Clara PSTC

1997-11-18 Thread Kamran Mohajer
: Tom Burke Location: Hewlett Packard, 19447 Prunridge Ave. Cupertino CA, Bldg. 48, Oakroom PRESENTATION: Mr. Thomas Burke, Underwriters Laboratories Inc., will review recent developments associated with the Bi-National Standard for Information Technology Equipment, CSA C22.2 No. 950-95/UL 1950

Re: Publishing QAs

1998-02-25 Thread Alan E Hutley
which are the backbone of the group. Tom Bao, of the Regulatory Compliance Information Centre (RCIC) is an avid supporter of this group and publishes on the 'Net a full listing of the traffic that appears on this group. I may be wrong, but I think there is a connection to Compliance Engineering

Antenna Correlation

1998-02-18 Thread TDonnelly
to restrict the lower limit of the height scan is not required. As with the 1/2 wave tuned dipole I have found the best correlation occurs when the electrical centers of the antennas are near the same elevation. Tom Donnelly EMC Engineer Lucent Technologies tdonne...@lucent.com

Re: Conducted measurements on DC supplies

1998-06-30 Thread Thomas N. Cokenias
inductance, instead of stictly air core inductance - LISN specs will give you saturation current, probably well above the current your product will draw. Best regards, Tom Cokenias Consultant, EMC Radio Type Approvals tel 650-726-1263fax 650-726-1252

Re: Conducted measurements on DC supplies

1998-06-30 Thread Thomas N. Cokenias
saturation current, probably well above the current your product will draw. Best regards, Tom Cokenias Consultant, EMC Radio Type Approvals tel 650-726-1263fax 650-726-1252

RE: China EMC Requirements?

1999-03-22 Thread Mike Kuo
to impose EMC requirements on certain import commodities under the existing CCIB/CCEE safety requirements. Does any body know the status ? Thanks to all. Tom Cokenias Consultant, EMC and Radio Approvals - This message is coming from the emc-pstc discussion list. To cancel

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