Fw: EN 50021 and the EX Mark

1999-03-16 Thread ed . price
still be done in each EU member nation. Anyone up to date on this issue? Thanks in advance, Carl ---End of Original Message- -- Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab Cubic Defense Systems San Diego, CA. USA

Fw: RE: Visible Light EMC

1999-03-12 Thread ed . price
...@cubic.com, j...@gwmail.monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators). ---End of Original Message- -- Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab Cubic Defense Systems San Diego

Re: Awards for Worst EMC/PS qualities

1999-03-11 Thread ed . price
as a museum of inverse shielding. Bad report, bad career action. I went back to testing noisy gadgets that smelled vaguely of ozone. The customer wouldn't let them use the rooms for classified work. A year later, the PM became a VP. -- Ed Price ed.pr...@cubic.com

TEST MESSAGE

1999-03-10 Thread ed . price
Listmembers: Sorry to have to post a test message, but your list administrators are testing the listserver's distribution of posts. Please ignore this test message. Ed -- Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab Cubic Defense Systems San Diego, CA

Fw: Re: CE mark self certification

1999-03-03 Thread ed . price
: mailto:dsic...@positronfiber.com ---End of Original Message- -- Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab Cubic Defense Systems San Diego, CA. USA 619-505-2780 List-Post: emc-pstc@listserv.ieee.org Date: 03/03/1999 Time

Fw: AFG1A Gyratory Compactor

1999-03-02 Thread ed . price
production unit? Any help that members of the group can give will be highly appeciated. Fowell Whitfield Safety Engineer Rhein Tech Labs ---End of Original Message- -- Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab

Re: [PSES] EMC-PSTC Email List Subscriber Status as of January 4, 2012

2012-01-16 Thread Ed Price
of our list since inception. I wonder how closely our population tracks the state of the economy? Ed Price El Cajon, CA USA -Original Message- From: Doug Powell [mailto:doug...@gmail.com] Sent: Monday, January 16, 2012 6:58 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES

Re: [PSES] IEC 61000-4-3 Field Uniformity Measurement

2012-02-02 Thread Ed Price
it gets much more complicated, but maybe we’re looking too closely at this problem. Ed Price El Cajon, CA USA - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message

Re: [PSES] IEC 61000-4-3 Field Uniformity Measurement

2012-02-02 Thread Ed Price
often get these for a ridiculously low price, then go home and characterize them. Eventually, you get a nice little collection of filters that just might save you a lot of hassle. Ed Price El Cajon, CA USA -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Thursday

Re: [PSES] Spread-Spectrum Clock Question

2012-02-09 Thread Ed Price
a dithered clock a spread spectrum signal is just not right; the energy is not spread, it's all there, somewhere, and then all there again, somewhere else. Ed Price El Cajon, CA USA From: Bill Owsley [mailto:wdows...@yahoo.com] Sent: Thursday, February 09, 2012 8:59 PM To: EMC-PSTC

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

2012-02-23 Thread Ed Price
in a half-day, so if you have two frequencies and want relatively fine data increments, then a couple of days sounds reasonable. Ed Price El Cajon, CA USA From: Christopher [mailto:cksal...@yahoo.com] Sent: Thursday, February 23, 2012 1:23 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES

Re: [PSES] Wireless Telephone and Wireless Internet Clash

2012-02-23 Thread Ed Price
the link's RF budget. Do you really need the link in the tree? Could you get by with less coax and put the antenna on the peak of your roof? And maybe then the antenna won't have to look through wet foliage too? Less problems from squirrels and birds too. Ed Price El Cajon, CA USA -Original

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

2012-02-25 Thread Ed Price
by the lab’s technique than by stray chamber reflections. Ed Price El Cajon, CA USA From: Christopher [mailto:cksal...@yahoo.com] Sent: Friday, February 24, 2012 2:37 PM To: edpr...@cox.net Cc: Christopher Saleem Subject: Re: [PSES] Antenna Pattern for 2.4 GHz and 5GHz Hello Ed

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

2012-02-25 Thread Ed Price
, we could calculate the gain of the EUT antennas. It was a long way from the old days of scale model airplanes on 3-axis positioner arms on a several hundred foot antenna range, but still it was good enough. Ed Price El Cajon, CA USA From: Kunde, Brian [mailto:brian_ku...@lecotc.com

[PSES] Consumer Equipment CS

2012-02-28 Thread Ed Price
to modified sine wave power? Could we say that compliance with typical EN CS requirements would be good enough to ensure operation in the modified sine wave power environment? Thanks in advance! Ed Price El Cajon, CA USA

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

2012-02-29 Thread Ed Price
. Ed Price El Cajon, CA USA From: Pawson, James [mailto:james.paw...@echostar.com] Sent: Wednesday, February 29, 2012 2:28 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Antenna Pattern for 2.4 GHz and 5GHz Hi Ed, I've been making antenna pattern measurements recently in our

Re: [PSES] New immunity testing by the FAA in the future?

2012-03-19 Thread Ed Price
at what distance she would notice me; instead, she almost fell into my cart. Despite the physical surprise, and giving me a nasty look, she didn't even pause her conversation. As you said, it makes more sense, but the general public isn't agreeable to even a slight inconvenience. Ed Price El

Re: [PSES] New immunity testing by the FAA in the future?

2012-03-26 Thread Ed Price
a complimentary box of grapefruit. I wonder how long it takes for a Marine helicopter pilot to move from skeptical and suspicious use, to acceptance, and finally to dependence? Ed Price El Cajon, CA USA -Original Message- From: Brian Oconnell [mailto:oconne...@tamuracorp.com] Sent

Re: [PSES] CE mark for China?

2012-04-03 Thread Ed Price
To enforce their trademark, wouldn't the CE mark have to be displaying a little TM or an R in a circle next to the CE? Perhaps European trademark marking law is different than in the USA, but here, to maintain your trademark, you would have to mark the mark. Ed Price El Cajon, CA USA

Re: [PSES] FW: inquiry concerning MIL STD 461E, CE102 test.

2012-04-11 Thread Ed Price
is not a procedure for derivation of the LISN port loss, but rather a check on the whole acquisition system performance, to the rather easy requirement of +/- 3 dB. Ed Price El Cajon, CA USA From: itl-emc user group [mailto:itl...@itl.co.il] Sent: Wednesday, April 11, 2012 12:17 AM To: EMC

[PSES] 461 CE102 Attenuator Value

2012-04-12 Thread Ed Price
? Ed Price El Cajon, CA USA From: Ken Javor [mailto:ken.ja...@emccompliance.com] Sent: Wednesday, April 11, 2012 6:58 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] FW: inquiry concerning MIL STD 461E, CE102 test. As a member of the committee that writes MIL-STD-461, I second Ed's

Re: [PSES] 461 CE102 Attenuator Value

2012-04-12 Thread Ed Price
were evaluating three power supplies to integrate into my system, and all claimed 461 compliance, I would still want to review their actual test data. All others things aside, I would much rather buy the 30 dB under model than the 7 dB under model. Ed Price El Cajon, CA USA From: Ken

Re: [PSES] Slip Rings and EMI

2012-05-04 Thread Ed Price
replacing some of the copper, and they were planning a new generation which would use something like infrared optics or Wi-Fi links to replace everything except the DC power lines. Ed Price El Cajon, CA USA From: David Carney (Neenah) [mailto:david.car...@plexus.com] Sent: Thursday, May

[PSES] e-standard.org The cheapest standards in the world

2012-05-08 Thread Ed Price
the money in the commercial World, I don’t see many bucks or perks going to the people who spend their own resources to actually create these standards. Since the production and distribution costs can’t be very much, that leaves the biggest percentage to where? Ed Price El Cajon, CA USA

Re: [PSES] DO-160G Interpretation

2012-05-09 Thread Ed Price
on the flight-line and in-flight with the real platform. But for the commercial world, you are much more likely to need your gadget to work with many platforms, so system integration testing is almost infinite, and you have to rely on the DO-160 validation. Ed Price El Cajon, CA USA From: Ken

[PSES] German Technical Reputation

2012-06-07 Thread Ed Price
standards and enforced compliance (see, I did manage to keep on topic). The BBC claimed that within 10 years, the effort had turned around the British public's perception of German consumer goods quality. Ed Price El Cajon, CA USA

Re: [PSES] German Technical Reputation

2012-06-08 Thread Ed Price
. But, the BBC program was interested in the perception, and not necessarily the true, level of quality. Ed Price El Cajon, CA USA From: Anthony Thomson [mailto:ton...@europe.com] Sent: Thursday, June 07, 2012 3:26 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] German Technical

[PSES] Acoustic Noise Glossary

2012-06-28 Thread Ed Price
, high-pitched noise. Also described as a screech. Whistle High-pitched noise with a very narrow frequency band. Examples of whistle noises are a turbocharger or air flow around an antenna. Wind Noise Any noise caused by air movement in, out or around the vehicle. Ed Price El Cajon, CA

Re: [PSES] database

2012-06-29 Thread Ed Price
of the introduction of Pong! I’m out of quarters! Ed Price El Cajon, CA USA From: Derek Walton [mailto:lfresea...@aol.com] Sent: Friday, June 29, 2012 8:47 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] database Hi Jim, I back what Ken says. But, for those of us that use real

Re: [PSES] Interview Questions

2012-07-03 Thread Ed Price
-Original Message- From: Brian Oconnell [mailto:oconne...@tamuracorp.com] Sent: Tuesday, July 03, 2012 12:46 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Interview Questions Pre-screens that attempt to minimize consumption of a candidates' time is a good thing. Reminds

Re: [PSES] EU sets EMC limits for London Olympics

2012-08-06 Thread Ed Price
and was specifically prohibited by those responsible for spectrum usage. Ed Price El Cajon, CA USA   -Original Message- From: Pat Lawler [mailto:plawl...@gmail.com] Sent: Monday, August 06, 2012 9:41 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] EU sets EMC limits for London Olympics All, I

Re: [PSES] MIL STD 461E NECESSARY BANDWIDTH

2012-08-07 Thread Ed Price
to negotiate possible changes. Ed Price El Cajon, CA USA From: Airy, Chad [mailto:chad.a...@ga-asi.com] Sent: Monday, August 06, 2012 3:44 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] MIL STD 461E NECESSARY BANDWIDTH Greetings, Greetings to all, this is my first post to the list

Re: [PSES] EU sets EMC limits for London Olympics

2012-08-07 Thread Ed Price
restrictions that we are all guilty of something. The British apparently never had the mindset of public ownership of the spectrum, so its government had no precedent to keep it from realizing yet another revenue stream. John Chris, do you agree with that? Ed Price El Cajon, CA USA From

Re: [PSES] MIL STD 461E NECESSARY BANDWIDTH

2012-08-09 Thread Ed Price
way to accurately measure the peak of a spurious was the same way that you measured the peak of the fundamental. Ed Price El Cajon, CA USA From: Charlie Blackham [mailto:char...@sulisconsultants.com] Sent: Thursday, August 09, 2012 1:26 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re

Re: [PSES] FW: [PSES] EU sets EMC limits for London Olympics

2012-08-09 Thread Ed Price
John: Do they charge for a radio reception license too? Ed Price El Cajon, CA USA -Original Message- From: John Cotman [mailto:john.cot...@conformance.co.uk] Sent: Thursday, August 09, 2012 1:31 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] FW: [PSES] EU sets EMC

Re: [PSES] MIL STD 461E NECESSARY BANDWIDTH

2012-08-09 Thread Ed Price
10-penny nail is 7.62 cm long, or as we say it, 3 inches. But I prefer to build with deck screws; a power tool is involved, and I don't have to hit it straight. Ed Price El Cajon, CA USA From: ralph.mcdiar...@schneider-electric.com [mailto:ralph.mcdiar...@schneider-electric.com] Sent

Re: [PSES] MIL STD 461E NECESSARY BANDWIDTH

2012-08-10 Thread Ed Price
that was inserted in the 8566B’s IF chain.) However, the 461 detector is always supposed to be a Peak detector. (Except for CS101, where the limit is expressed in terms of Vrms. OTOH, almost everyone uses an oscilloscope to monitor this level, so…) Ed Price El Cajon, CA USA From

Re: [PSES] FW: [PSES] EU sets EMC limits for London Olympics

2012-08-10 Thread Ed Price
Michael: The BBC's sponsor is the UK government, so I suppose they still have somebody looking over their shoulder. Ed Price El Cajon, CA USA From: Peter Tarver [mailto:ptar...@enphaseenergy.com] Sent: Thursday, August 09, 2012 3:29 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re

Re: [PSES] MIL STD 461E NECESSARY BANDWIDTH

2012-08-11 Thread Ed Price
is involved. J Ed Price El Cajon, CA USA From: Charlie Blackham [mailto:char...@sulisconsultants.com] Sent: Thursday, August 09, 2012 2:08 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] MIL STD 461E NECESSARY BANDWIDTH Ed I didn't say the US DoD would buy it J. Out

Re: [PSES] 61000-4-3: Rate of application of field

2012-08-20 Thread Ed Price
. Until then, we have to wrestle with techniques that are not perfect. Now why am I thinking of Lucha Libre? Ed Price El Cajon, CA USA From: Kunde, Brian [mailto:brian_ku...@lecotc.com] Sent: Monday, August 20, 2012 7:14 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] 61000-4-3: Rate

Re: [PSES] 61000-4-3: Rate of application of field

2012-08-20 Thread Ed Price
gadget works most of the time. Thus, I often used modulations beyond the popular 1 kHz, 100 Hz, 1 Hz, 1 uS, 50% pulses and AM stuff. (Which is all probably pretty boring to the commercial and EN guys on this list, so sorry.) Ed Price El Cajon, CA USA From: Ken Javor [mailto:ken.ja

Re: [PSES] CE Marking Provoqium

2012-08-21 Thread Ed Price
I heard that Canada sneaks excess ice into the USA by floating it across the Great Lakes. And as for their snow, well, the border is completely unprotected. Ed Price El Cajon, CA USA   The opinions expressed are my own and do not necessarily reflect those of the other voices in my head

Re: [PSES] Smart Batteries

2012-08-23 Thread Ed Price
, this turned into a war story, but the lesson is that a smart battery now has every EMC vulnerability itself, and has to be tested in every operational and support mode associated with your product. Ed Price El Cajon, CA USA   -Original Message- From: Brian Oconnell [mailto:oconne

Re: [PSES] Smart Batteries

2012-08-23 Thread Ed Price
modes; charging in a charger, discharging in a user device, and transport / storage (where it sort of hung out maintaining the capability to maintain the capability). Ed Price El Cajon, CA USA   -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Thursday, August

Re: [PSES] Smart Batteries

2012-08-24 Thread Ed Price
to use COTS Wi-Fi (or similar) to network very local boxes instead of using signal control cables. There are a lot of EMC problems with this, so we will still have lots of job security. J Ed Price El Cajon, CA USA From: Cortland Richmond [mailto:k...@earthlink.net] Sent: Friday, August

Re: [PSES] Light Bulb provokquium

2012-08-24 Thread Ed Price
amazed at the drop in cost of LED’s, and they can produce enough (and acceptable color) light to replace reading lamps and general living area illumination. I would hazard a guess that the time of the CFL has come and gone. Ed Price El Cajon, CA USA From: Ken Javor [mailto:ken.ja

Re: [PSES] Light Bulb provokquium

2012-08-24 Thread Ed Price
of your home? Do you have to turn yourself in to the EPA? Ed Price El Cajon, CA USA   -Original Message- From: Doug Powell [mailto:doug...@gmail.com] Sent: Friday, August 24, 2012 10:29 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Light Bulb provokquium CFLs do have a dirty little

Re: [PSES] Light Bulb provokquium

2012-08-24 Thread Ed Price
Uhh well, that's a venerable tradition of capitalism, and even earlier than that, for business to seek the help, cooperation and protection of government. Look at USA railroad development, or French canals. Ed Price El Cajon, CA USA   -Original Message- From: Doug Powell [mailto:doug

Re: [PSES] Light Bulb provokquium

2012-08-24 Thread Ed Price
over my household, let's not tell anybody about that pint of mercury that I have been saving for some time when I feel like sticking my thumb in it again. Ed Price El Cajon, CA USA   -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Friday, August 24, 2012 11:07

Re: [PSES] thermal resistance - K versus C

2012-10-10 Thread Ed Price
. The Kelvin scale is more universal, with 0 K being the point of no molecular energy, and everything else going on above that point. It makes more sense, but it forces us to use large numbers for everyday conditions. If you like expressing temperature in degrees Kelvin, you might be a physicist. Ed Price

Re: [PSES] Pertinent EMC standards for battery management systems??

2012-10-19 Thread Ed Price
. Ed Price El Cajon, CA USA From: Ken Wyatt [mailto:k...@emc-seminars.com] Sent: Thursday, October 18, 2012 11:38 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Pertinent EMC standards for battery management systems?? Hi Experts, Any idea what the pertinent EMC standards

Re: [PSES] Possible Counterfeit EMC Components?

2012-10-31 Thread Ed Price
I thought that compliance testing was supposed to be done on the as-shipped product, not the designer's prototype. Ed Price Chula Vista, CA USA   -Original Message- From: Michael Derby [mailto:micha...@acbcert.com] Sent: Wednesday, October 31, 2012 2:30 AM To: EMC-PSTC

Re: [PSES] Possible Counterfeit EMC Components?

2012-10-31 Thread Ed Price
. Gary -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Wednesday, October 31, 2012 3:55 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Possible Counterfeit EMC Components? In message 000b01cdb750$cd62bfc0$68283f40$@cox.net, dated Wed, 31 Oct 2012, Ed Price

Re: [PSES] Possible Counterfeit EMC Components?

2012-10-31 Thread Ed Price
) to be rather similar to seagull guano. I'm sure that Mexican maquiladoras have improved vastly in the interim. Ed Price Chula Vista, CA USA   -Original Message- From: ce-test, qualified testing bv - Gert Gremmen [mailto:g.grem...@cetest.nl] Sent: Wednesday, October 31, 2012 12:24 PM

Re: [PSES] Recent information from Germany on Once an Article Always an Article

2012-11-28 Thread Ed Price
Too late Brian. By the time I pulled my plug, I was doing more lawyering than EMC engineering. Almost all we ever talk about now are legalisms. Ed Price Chula Vista, CA USA   -Original Message- From: Brian Oconnell [mailto:oconne...@tamuracorp.com] Sent: Wednesday, November 28, 2012 11

[PSES] System Admin Positions Available

2013-01-10 Thread Ed Price
and consideration. Appreciate greatly if you forward to those in your network that you think may have interest OR know of individuals that are seeking an opportunity to deploy. Thank you much and have a fantastic day! - Robert Ed Price WB6WSN Chula Vista, CA USA

Re: [PSES] FCC IC and Product Information

2013-01-28 Thread Ed Price
emission signature, which is a lot better than just the assurance that they all passed the limit. Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: Peter Merguerian [mailto:pmerguerian2...@yahoo.com] Sent: Monday, January 28, 2013 6:47 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject

Re: [PSES] FCC IC and Product Information

2013-01-28 Thread Ed Price
Bill: Wow, I never knew about this source. This will keep me up all night! Ed Price WB6WSN Chula Vista, CA USA From: Bill Owsley [mailto:wdows...@yahoo.com] Sent: Monday, January 28, 2013 8:40 PM To: Ed Price Subject: Re: [PSES] FCC IC and Product Information http

Re: [PSES] LED Chamber Lighting - drivers outside the chamber

2013-03-02 Thread Ed Price
Most LED's fail open, but some fail shorted. For years, I have been using shorted LED's as infrared emitters. Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Friday, March 01, 2013 8:37 AM To: EMC-PSTC@LISTSERV.IEEE.ORG

Re: [PSES] Fiber Optic links for EMC Monitoring

2013-03-03 Thread Ed Price
thought that explanation was a bit strange, but deep thinking causes headaches, and every time I would try to think of something better, I would notice it was lunchtime. I wonder how that might look on a computer simulation? Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: John

Re: [PSES] Fiber Optic links for EMC Monitoring

2013-03-03 Thread Ed Price
The plastic conductors were about the size of USA AWG #14 wire, certainly not #36 or #40. Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Sunday, March 03, 2013 4:51 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES

Re: [PSES] NRTL North of the 40th parallel - Off Topic

2013-03-05 Thread Ed Price
about how the baselines are sometimes stuck at arbitrary or politically expedient places: http://upload.wikimedia.org/wikipedia/commons/8/83/Meridians-baselines.png And even that map doesn't show Baseline Road in Maine! Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: Doug

Re: [PSES] Cat5e or Cat6 in emissions test

2013-03-09 Thread Ed Price
as I can tell, the cost was quite reasonable for good quality cables, and I’m not having any cross-talk or coupling issues. Ed Price WB6WSN Chula Vista, CA USA From: Bill Owsley [mailto:wdows...@yahoo.com] Sent: Friday, March 08, 2013 7:11 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re

Re: [PSES] Immunity and emissions below 150 kHz and lithium batteries

2013-03-09 Thread Ed Price
. Ed Price WB6WSN Chula Vista, CA USA From: Ken Javor [mailto:ken.ja...@emccompliance.com] Sent: Friday, March 08, 2013 7:43 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Immunity and emissions below 150 kHz and lithium batteries One thing that needs to be considered is RTCA

Re: [PSES] Immunity and emissions below 150 kHz and lithium batteries

2013-03-10 Thread Ed Price
, but they were all of the dead battery kind. (The battery controllers themselves sometimes proved very vulnerable, lacking radiated immunity, but they always failed by disabling the battery; no dying controller ever forced the cells into a conflagration.) Ed Price WB6WSN Chula Vista, CA USA

Re: [PSES] Immunity and emissions below 150 kHz and lithium batteries

2013-03-10 Thread Ed Price
of the possibilities of the unexpected. How far you should continue down this dark tunnel of investigation depends on the cost and consequences of device failures, and the limit of your budget, paranoia and suspicion. Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: John

Re: [PSES] Critical component in EMC report

2013-03-13 Thread Ed Price
Scott, what is a critical component? How would I recognize one? Would it be proper for me to tear open a product to look for these devices? Ed Price WB6WSN Chula Vista, CA USA From: Scott Xe [mailto:scott...@gmail.com] Sent: Wednesday, March 13, 2013 8:49 AM To: EMC-PSTC

Re: [PSES] Critical component in EMC report

2013-03-13 Thread Ed Price
nothing, but I don't think Safety is all that much simpler than EMC either). Maybe I'm just not seeing the bigger picture, but to me, a component list is a pretty poor aid to ensuring any continuing product compliance. Ed Price WB6WSN Chula Vista, CA USA From: Bayo Olabisi [mailto:lapro

Re: [PSES] Cellphone sniffer hunts down illicit prison calls

2013-03-14 Thread Ed Price
of those pulse generators; after all, what do I have to lose? Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: Pat Lawler [mailto:plawl...@gmail.com] Sent: Thursday, March 14, 2013 4:58 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Cellphone sniffer hunts down illicit

[PSES] FCC Part 5 Experimental Services

2013-03-19 Thread Ed Price
/Title47/47cfrv1_02.tpl c=ecfrtpl=/ecfrbrowse/Title47/47cfrv1_02.tpl was last modified on 15 March 2013, so it should be all in there. Well, as I said, this has a lot of implications. Ed Price WB6WSN Chula Vista, CA USA

Re: [PSES] FCC Part 5 Experimental Services

2013-03-21 Thread Ed Price
separate statements. Ed Price WB6WSN Chula Vista, CA USA From: Bill Owsley [mailto:wdows...@yahoo.com] Sent: Tuesday, March 19, 2013 7:54 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] FCC Part 5 Experimental Services and at the moment the proposal is open for comment. I find

Re: [PSES] Intensity of ESD for skin and hand-metal discharges

2013-04-19 Thread Ed Price
You must have relied on your regulatory compliance background, and been on the committee that placed the land mines. Ed Price WB6WSN Chula Vista, CA USA From: Doug Smith [mailto:d...@emcesd.com] Sent: Friday, April 19, 2013 2:52 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES

Re: [PSES] Intensity of ESD for skin and hand-metal discharges

2013-04-20 Thread Ed Price
Would that indicate an immunity deficiency in the control logic or the speech synthesizer circuitry? Ed Price WB6WSN Chula Vista, CA USA From: Bill Owsley [mailto:wdows...@yahoo.com] Sent: Friday, April 19, 2013 7:02 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Intensity

Re: [PSES] Mode-stirred, Mode-tuned, Reverb - what's the difference?

2013-04-28 Thread Ed Price
. Ed Price WB6WSN Chula Vista, CA USA From: Pat Lawler [mailto:pat.law...@verizon.net] Sent: Sunday, April 28, 2013 7:38 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Mode-stirred, Mode-tuned, Reverb - what's the difference? All, Over the years, I've come across pictures of test

Re: [PSES] Mode-stirred, Mode-tuned, Reverb - what's the difference?

2013-04-28 Thread Ed Price
several more stirring elements to shift the reverberations faster, which would have reduced the dwell time. Ed Price WB6WSN Chula Vista, CA USA From: Bill Owsley [mailto:wdows...@yahoo.com] Sent: Sunday, April 28, 2013 7:23 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Mode-stirred

Re: [PSES] Mode-stirred, Mode-tuned, Reverb - what's the difference?

2013-04-29 Thread Ed Price
will change and... Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Sunday, April 28, 2013 11:40 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Mode-stirred, Mode-tuned, Reverb - what's the difference? In message CAMsB7HTBp7a

Re: [PSES] Mode-stirred, Mode-tuned, Reverb - what's the difference?

2013-05-09 Thread Ed Price
a response was obvious. But when your definition of a response is any degradation of operation, any unintentional responses and nor any failure of intentional responses, then you have a formidable task before your testing just to learn how your EUT degrades. Ed Price WB6WSN Chula Vista, CA

Re: [PSES] Mode-stirred, Mode-tuned, Reverb - what's the difference?

2013-05-09 Thread Ed Price
That would be great to see; do you make us look in through a shielded window or do we get to go inside and hold one of the fluorescent tubes? Ed Price WB6WSN Chula Vista, CA USA From: Frank Krozel [mailto:fr...@electronicinstrument.com] Sent: Thursday, May 09, 2013 10:23 AM To: EMC

Re: [PSES] Mode-stirred, Mode-tuned, Reverb - what's the difference?

2013-05-09 Thread Ed Price
“…skew the reverb pattern…” All I know is that the stirring technique helped extend our SE dynamic range by a little at around 200 MHz, getting more helpful until we had, IIRC, around 12 dB betterment above 1 GHz. And 18 GHz was the high end of our investigation. Ed Price WB6WSN Chula Vista

[PSES] JMW Personal-Sorry

2013-06-20 Thread Ed Price
John Woodgate, could you please reply to me off-list to edpr...@cox.net? Your anti-spam is blocking me from your email address. Ed Price WB6WSN Chula Vista, CA USA - This message is from the IEEE Product Safety

Re: [PSES] California Prop 65

2013-07-11 Thread Ed Price
or warning stickers, and almost nobody will notice them. Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: Brian Oconnell [mailto:oconne...@tamuracorp.com] Sent: Thursday, July 11, 2013 10:04 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] California Prop 65 Google/Bing

Re: [PSES] Lock washers for bolted bonding connections

2013-07-19 Thread Ed Price
the base metal surfaces carefully, abrading a zone down to base metal, possibly plating the exposed metal, and torqueing to specs. Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: Douglas Nix [mailto:d...@mac.com] Sent: Thursday, July 18, 2013 6:31 PM To: EMC-PSTC

Re: [PSES] RF tent for sale (used)?

2013-08-02 Thread Ed Price
other constraints on your selection (weather resistance, budget, shielding effectiveness at what frequencies, expected lifetime, penetration requirements) and you can get a better answer. Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: Curt McNamara [mailto:mcnam...@umn.edu

[PSES] Standalone EMC Chamber?

2013-08-05 Thread Ed Price
a flying tank, or an amphibious tank, or you could build a big airplane and a good tank. Ed Price WB6WSN Chula Vista, CA USA From: Elliott Mac-FME001 [mailto:fme...@motorolasolutions.com] Sent: Monday, August 05, 2013 8:36 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Standalone EMC

Re: [PSES] Standalone EMC Chamber?

2013-08-05 Thread Ed Price
have the USAF's Benefield Chamber at Palmdale, which is about 275' x 275' x 75' tall. So, it can be done, if you have Sony or Uncle Sam level money. Ed Price WB6WSN Chula Vista, CA USA From: Elliott Mac-FME001 [mailto:fme...@motorolasolutions.com] Sent: Monday, August 05, 2013 7:19

[PSES] Standalone EMC Chamber?

2013-08-12 Thread Ed Price
show a reduction (60 dB would be nice) of external signals from the plentiful FM TV other emitters. And then all would be fine, until the wind kicks up. Ed Price WB6WSN Chula Vista, CA USA From: McInturff, Gary [mailto:gary.mcintu...@esterline.com] Sent: Monday, August 12, 2013 8:38 AM

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

2013-08-23 Thread Ed Price
charges of the exterior of that chamber. Metal sheet material for where; the chamber walls, the ground plane table? Ed Price WB6WSN Chula Vista, CA USA From: Grace Lin [mailto:graceli...@gmail.com] Sent: Friday, August 23, 2013 6:04 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Ground

Re: [PSES] Verification under FCC rules and our Digital Class A product for industrial use only

2013-08-23 Thread Ed Price
complaints, then they probably have enough obligations already and likely wouldn't want to extend into larger areas of responsibility. Maybe. Anyway, God doesn't like trailer parks, as he always routes His tornados through them. Ed Price WB6WSN Chula Vista, CA USA 1961 Amphicar 770 2001 Fleetwood

Re: [PSES] Obscure requirement

2013-08-23 Thread Ed Price
-questions-dated-17-Oct-2012.pdf And then, FLP is the Front Locating Point, used in underground positioning with an RF signal. But there's a legal definition; a Family Limited Partnership. Maybe some more details might help. :) Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: Pete

Re: [PSES] Standards free, by law, in the USA?

2013-08-26 Thread Ed Price
it was vaguely Prussian / Aztec, but it really looks like a full-frontal view of a buzzard being electrocuted. I wonder what the rejected versions looked like? Ed Price WB6WSN Chula Vista, CA USA From: Ken Wyatt [mailto:k...@emc-seminars.com] Sent: Monday, August 26, 2013 8:42 AM To: EMC-PSTC

[PSES] Norwegian RF Study

2013-08-29 Thread Ed Price
, it is reasonably certain that such equipment is not associated with health risks. The report is approximately 200 pages long and includes Norwegian and English summaries. Ed Price WB6WSN Chula Vista, CA USA - This message is from

Re: [PSES] Spark Gap PCB Layout on AC Mains

2013-09-06 Thread Ed Price
Murphy says it will destroy BOTH boards. Ed Price WB6WSN Chula Vista, CA USA From: Kunde, Brian [mailto:brian_ku...@lecotc.com] Sent: Friday, September 06, 2013 10:15 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Spark Gap PCB Layout on AC Mains The thought is that a really

[PSES] question: emc test equipment(for IEC 61800-3 immunity test)

2013-09-11 Thread Ed Price
to do this on your own. Many times, you can use generic test equipment to do a credible engineering (or pre-test) evaluation, if that's all you really need. Ed Price WB6WSN Chula Vista, CA USA From: Youngsik Kim [mailto:fs741fs...@gmail.com] Sent: Wednesday, September 11, 2013 5:44 PM

[PSES] Interesting Spectral Activity

2013-09-12 Thread Ed Price
disturbance, verifying their operation and providing hams everywhere a unique opportunity to transmit to a satellite. All hams are invited to participate. Here is a starting point link (the plan is complicated): http://www.jpl.nasa.gov/hijuno/ Ed Price WB6WSN Chula Vista, CA USA

Re: [PSES] question - emission measurements below 150kHz

2013-09-16 Thread Ed Price
to the compliance document to tell you which method to use. Ed Price WB6WSN Chula Vista, CA USA From: McDiarmid, Ralph [mailto:ralph.mcdiar...@schneider-electric.com] Sent: Monday, September 16, 2013 1:52 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] question - emission measurements below

Re: [PSES] Test facility insurance

2013-09-24 Thread Ed Price
lawyers carry? Ed Price WB6WSN Chula Vista, CA USA From: Kunde, Brian [mailto:brian_ku...@lecotc.com] Sent: Tuesday, September 24, 2013 7:05 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Test facility insurance I don't know about such things but recently our company was asked

24 VDC Monitor

1997-02-25 Thread ed . price
) Any ideas about who might make such a gadget? Thanks in advance! Ed Price EMC Lab Manager Cubic Defense Systems ed.pr...@cubic.com -- Name: Ed Price E-mail: ed.pr...@cubic.com List-Post: emc-pstc@listserv.ieee.org Date: 2/24/97 Time: 4:29:01 PM --

Antenna Theory

1997-07-17 Thread ed . price
the power of a dipole. And, since twice the power is a 3 dB increase, then the gain of a quarter wave ground plane rod is 3 dBd, or 5.14 dBi. U, right? -- Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab Cubic Defense Systems San Diego

Antenna Theory

1997-07-17 Thread ed . price
the power is a 3 dB increase, then the gain of a quarter wave ground plane rod is 3 dBd, or 5.15 dBi. U, right? -- Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab Cubic Defense Systems San Diego, CA. USA 619-505-2780 List-Post: emc-pstc@listserv.ieee.org Date

Re: Antenna Calibration/Site Attenuation

1997-08-26 Thread ed . price
exactly which antenna and test lab that you're talking about? Ed -- Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab Cubic Defense Systems San Diego, CA. USA 619-505-2780 List-Post: emc-pstc@listserv.ieee.org Date: 08/26/97 Time: 08:32:35 --

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