Re: [PSES] 10m chambers in Colorado?

As far as I know, NTS is now the only 3rd party test lab in Colorado with 10m chambers. Kenneth WyattWoodland Park, COSent from my iPhone.On Nov 8, 2023, at 14:25, Brian Gregory wrote:   Hello experts,   once upon a time, there were several 10m chambers in Colorado, 3-4 north of Denver that I

Re: [PSES] ESD testing - Contact Mode to plated metal surfaces?

Always had the impression the sharp end of the CD tip was designed to punch through any coated metal. Kenneth WyattWoodland Park, COSent from my iPhone.On Sep 18, 2023, at 09:48, Sykes, Bob wrote: Worldly Experts,   I have a question regarding the suitability of contact mode ESD testing

Re: [PSES] EMC test equipment museum

That would be Ken Javor (ken.ja...@emccompliance.com ), copied on this. Ken ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI troubleshooting - at no obligation. I'm always happy to

[PSES] Test & measurement with cellular module

Hi All, Wireless compliance testing is not really my specialty, so putting this out to the group… I have a client that manufactures a data recorder (basically, a non-intensional radiator), but with an FCC-approved cellular modem from Sierra. I believe there’s an option to connect Wi-Fi, but

Re: [PSES] Radiated emission - troubleshooting with current clamp

Amund, you’re definitely on the right track in troubleshooting this issue. I agree with Ken Javor that, because of the length of cable, you’ll want to fix the probe at the same location every time you go to troubleshoot. Let me also add these points. (1) Make sure the fan cable is routed away

Re: [PSES] EMC/EMI Cables

The only sure way to qualify an HDMI cable manufacturer is to dissect the connector - cable termination and check for pigtails. https://interferencetechnology.com/hdmi-cables-emi/ The article references some original investigations by

Re: [PSES] [PSES] Friday Question - table of electrochemical potentials

Leave it to our resident historian to pull off the Reference Handbook for Radio Engineers, 2nd edition, 1946 from his library! ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI troubleshooting - at no obligation. I'm

Re: [PSES] Automotive EMC training

Yes, Todd’s training is through his company, www.learnemc.com He generally has monthly webinars. P.S., agreeing with both of us “Kens” might be dangerous! :-) Ken ___ I'm here to help you succeed! Feel free to call or email with any questions

Re: [PSES] Digital logic question

, to simply slow it down with an RC > filter, as opposed to redesigning the board stack-up to provide glitch-free > operation. > > Agree/disagree? > > Ken Javor > Phone: (256) 650-5261 > > > From: Ken Wyatt > > Reply-To: Ken Wyatt > > Date: Tue, 26 J

Re: [PSES] Digital logic question

Hi Ken, The biggest problem I see when faced with RE issues is that clocks, data/address buses and other fast-edged signals do not have an adjacent solid return plane. This is especially important for wireless devices. Have your client check their stack-up, because invariably, you’ll find, if

Re: [PSES] Draft SAE ARP-958E EMI Measurement Antennas; Calibration Method: Deeply flawed Revision E is nearing completion and balloting

Hi Ken, You can get the EN version of CISPR 25 from the Estonian Center for Standardization at the cost of jut 31.80 €. They also sell a host of other EN standards at affordable costs. EN 55025:2017 (latest): https://www.evs.ee/en/evs-en-55025-2017

Re: [PSES] Need help repairing log-spiral antenna

Hi Ken, We used one of these (I believe from EMCO) back when I started with HP in the late 1980s. It sure seemed to me it was just glued, as I don’t recall any fasteners. The joint seemed to be flush with the cone. It’s long gone, so no pictures. Ken ___ I'm here to help

Re: [PSES] In-house Conducted emission test equipment

t be good enough, but QP and Avg are options aswell. > > BR > Amund > > Sendt fra min iPhone > > 4. sep. 2020 kl. 17:17 skrev Ken Wyatt <mailto:k...@emc-seminars.com>>: > >> Is that 400V AC or DC? That will make a difference in the LISN design. >> >&

Re: [PSES] In-house Conducted emission test equipment

Is that 400V AC or DC? That will make a difference in the LISN design. Ken ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI troubleshooting - at no obligation. I'm always happy to help! Kenneth Wyatt Wyatt Technical

[PSES] Wireless Self-Generated EMI Webinar - July 16, 2020

Hi All, just a short note, I’ll be presenting a webinar on self-generated EMI for wireless and IoT products this coming July 16, 2020. There will be two presentations; one for the U.S and EU and one for APAC. We’ll discuss why it affects cellular and other wireless modules, how to characterize

Re: [PSES] Power line noise expert?

d noise, an isolated supply may be their answer ... > > Curt > > http://www.hottconsultants.com/ <http://www.hottconsultants.com/> > > > On Sat, Jun 27, 2020, 8:36 PM Ken Wyatt <mailto:k...@emc-seminars.com>> wrote: > Sorry I may not have been clear enough

Re: [PSES] Power line noise expert?

vy loads switching below 150 kHz, but they should be in > a minority. > > Current? Voltage? If voltage, at what point: outlet or breaker box or... ? > > Knowing what their concern is would go a long ways towards defining what the > problem solution is, and who might be the best at

[PSES] Power line noise expert?

Hi All, I had an inquiry from someone who would like some help with power line noise specifically in buildings. This is really outside my specialties, so was wondering who on the list I could recommend to them? Here’s the original question: I have interest in better understanding of a

Re: [PSES] Low power FM or Am transmitter

Dieter, the “Part 15” FM transmitters are OK to use and generally have a range of 200 feet, or so. Legally, they must have a fixed antenna, so mounting one up high is problematic. There are many illegally-sold and imported higher-power (up to 25W, or more) FM transmitters sold on Amazon and

Re: [PSES] HDMI distribution amplifier (1:4) and HDMI cable recommendations?

html> Connect with me on LinkedIn <https://www.linkedin.com/in/kennethwyatt/> > On Mar 31, 2020, at 8:39 AM, Ken Wyatt wrote: > > This may have been one of the first papers, by Bergey and Altland (DesignCon > 2008), that documented the EMI concern of HD

Re: [PSES] HDMI distribution amplifier (1:4) and HDMI cable recommendations?

This may have been one of the first papers, by Bergey and Altland (DesignCon 2008), that documented the EMI concern of HDMI (and other) commercial cables. Ken ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI

Re: [PSES] SV: [PSES] PCB layout technique - multilayer

Hi Amund/Gert, I agree with Gert’s advice, that all (especially high speed) signal layers need to have an adjacent ground return plane in order to properly capture the electromagnetic wave of the digital signals (which travel in the dielectric space between layers). The one exception, in my

Re: [PSES] UNECE R10.05 vehicle conducted emission

Not sure I have the answer, either, but I know Interference Technology did a whole series of articles on this standard. http://www.interferencetechnology.com Ken ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI

[PSES] Measuring Insertion Loss of Absorber Sheets

Hi Group, I recently published an article on evaluating the insertion loss of various absorber sheets. So many manufacturers specify the permeability of these, but for an EMC engineer, we want to know the absorption or insertion loss. Here are measurements of five manufacturers.

Re: [PSES] GTEM cell used for RE measurement

Hi Ken, You might try contacting Dr. Diethard (Andy) Hansen, inventor of the GTEM. He can be reached at euro.emc.serv...@swissonline.ch LI: https://www.linkedin.com/in/dr-diethard-hansen-032b28155/

Re: [PSES] Does anyone make this filter?

Hi Ken, You might look at AstrodyneTDI filters. I see they make DC filters from 3 to 2500 amps. Don’t know about the feedthrough part, but they may have suggestions. My contact there is Ron Hamaoui, VP/GM of the EMI filters business unit. Nice guy. Email (from LinkedIn) ron...@hamaoui.com

Re: [PSES] ISO/IEC 17025:2017 Documentation Templates

Hi Kevin, Understand, please, this is data from 2011, so may be out of date. Here is what I recommended to one of my clients who was asking the same question. After reviewing several offerings of 17025 template packages, I'm recommending the one provided by SHOQ (Superior Heights of Quality).

Re: [PSES] [SI-LIST] need some advice on cancellation policy for a seminar

After listening in on this discussion, I now have a refund policy! Thanks for all the valuable comments. Ken Refund policy: Full refunds may be made up to 30 days prior to the scheduled event. Within 30 days of the event, a full refund, less a $250 administrative fee per seat will be made.

[PSES] Licensing transmitters in the 70 to 80 GHz band (U.S./Canada)?

Hi All, I’m looking for someone familiar with the licensing procedure for transmitters in the 70-80 GHz band for U.S. and Canada. Thanks in advance, Ken ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI troubleshooting -

Re: [PSES] EMCO Model 4630 Refrad Comb Generator

I would contact ETS-Lindgren in Texas. I believe they still sell that product, or at least should be able to provide you with documentation. You might also attempt to locate Bill Royce (if he’s still alive), ex-Hewlett-Packard Packard, who was the designer of the comb generator following his

[PSES] Looking for writer for EMC Filters

Hi All, I’m still looking for a writer that is well-versed in EMC filter design that can produce a white paper for ITEM Media (paid gig). The topics are not yet defined, but I can send additional information later. Please reply directly. Thanks, Ken ___ I'm here to help

Re: [PSES] Need writer familiar with automotive EMC standard UN ECE regulation 10

n. I'm always happy to help! Kenneth Wyatt Wyatt Technical Services LLC 56 Aspen Dr. Woodland Park, CO 80863 Phone: (719) 310-5418 Email Me! | Web Site | Blog The EMC Blog (EDN) Subscribe to Newsletter Connect with me on LinkedIn > On Feb 22, 2018, at 8:54 AM, Ken Wyatt <k...@emc-seminar

[PSES] Need writer familiar with automotive EMC standard UN ECE regulation 10

Hi All, I’m the senior technical editor for Interference Technology Magazine and our marketing services group at ITEM Media (umbrella organization) is looking for a writer to create a white paper and a series of short blog postings on the tests required for UN ECE Regulation 10 for automobile

Re: [PSES] EU Blue Guide

Works for me using a Mac, Safari, and Preview to open it. Ken ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI troubleshooting - at no obligation. I'm always happy to help! Kenneth Wyatt Wyatt Technical Services LLC 56

Re: [PSES] USB dongle connector shield filtered grounding

currents and differential > mode signal currents are necessary. (balanced signal twisted pairs, common > mode coils, transformers). > > Gert Gremmen > > > From: Ken Wyatt [mailto:k...@emc-seminars.com] > Sent: Wednesday 28 June 2017 22:03 > To: EMC-PSTC@LIST

Re: [PSES] USB dongle connector shield filtered grounding

some sort of EMI black > hole that's by some means able to soak up all that excess RF energy. I'm > sure we all could tell some stories from the lab. > > > Bill > > > From: Ken Wyatt [mailto:k...@emc-seminars.com] > Sent: Wednesday, June 28, 2017 1:29 PM >

Re: [PSES] USB dongle connector shield filtered grounding

Like they say in some movies…”follow the money”. In the case of EMC issues, it’s usually “follow the current”. Both differential and common mode currents want to return to their sources in the most expedient (low-impedance) route. If designers fail to define a return path, invariably, some of

Re: [PSES] lowest emissions 4k TV?

Simple - it’s not taught in the colleges/universities. Most product designers don’t have the first clue. The same holds true for regulatory compliance. I love this job! Cheers, Ken ___ I'm here to help you succeed! Feel free to call or email with any questions related to

Re: [PSES] lowest emissions 4k TV?

Hi Brent, When I was looking for my first big flat screen TV, it was just when LED backlighting was coming into vogue. A friend of mine, and amateur radio astronomer, had earlier purchased one of the plasma sets from Panasonic and discovered the broadband noise level had increased by 30 dB at

Re: [PSES] HDMI questions

I’d like to reinforce James’ point on the poor shield bonding on many mid- to low-priced HDMI cables. Usually. it’s just a 1” pigtail, which can easily cause EMI failures. Because brands and cable models come and go, I always suggest clients buy at least two of everything and cut one apart to

Re: [PSES] [RFI] Part 15 isn't enough..

I agree with Ghery that interference complaints from typical PC/ITE systems have dropped, but they’ve been getting numerous complaints lately, related to interference from lighting and in particular, out of compliance switching power supplies from offshore. See:

[PSES] Automotive standards requiring BCI or current probes?

Not well versed in the automotive standards, I'm curious which are the most common that would require the use of BCI clamps or current probes? Are any of these manufacturer-specific? Which ones should I get? Thanks in advance. Kenneth Wyatt Wyatt Technical Services Woodland Park, CO

Re: [PSES] iNARTE EMC accreditation - thoughts?

Hi James, May I offer an alternative viewpoint to my esteemed colleagues (I guess there’s one in every crowd)? I believe the answer to gaining iNARTE certification is “it depends”, like so many other questions in EMC. When NAVLAP initially proposed and promoted the idea of a NARTE

Re: [PSES] Need a LARGE Chamber

Hmmm Doug, well that’s an interesting one. You might consider doing what John McCloskey (Chief EMC Engineer for NASA’s James Web Space Telescope) did and perform the immunity tests on just the electronics control package, rather than the whole enchilada (in John’s case, the entire satellite).

Re: [PSES] Oscilloscope probe calibration

Doug, you’re such a tease! :-) ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI troubleshooting - at no obligation. I'm always happy to help! Kenneth Wyatt Wyatt Technical Services LLC 56 Aspen Dr. Woodland Park, CO

Re: [PSES] Brexit and the European Compliance Complex

I just updated the EMC Zone blog, “Britain after Brexit, with accent on EMC". I had also asked EMC/regulatory consultant, Keith Armstrong, to weigh in on the subject, and he has provided some additional insight. http://www.emc-zone.com/2016/06/britain-after-brexit-with-accent-on-emc.html

Re: [PSES] Brexit and the European Compliance Complex

Hi Ed, While this vote by the people of Britain is rather monumental, I’m also of the opinion that the effect on EMC standards will be negligible. The process for submittals may change, however. We’ll have to see as the process continues. As editor of Interference Technology, I’ve asked our

Re: [PSES] IEEE EMC Magazine

Doug, it’s just not posted yet to the site. Give it a few days. http://www.emcs.org/index.html Ken ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI troubleshooting - at no obligation. I'm

Re: [PSES] Handheld or portable voltmeter/ammeter with built-in and adjustable limit function with audible alarm

Maybe one of these could work. http://www.poweringthenetwork.com/site-power-monitor/ https://www.gavazzionline.com/pdf/DIB71CB.eng.pdf

Re: [PSES] measurement of transient radiation emission

Hi Li Di, Both Ed and Cortland gave you some good advice. Capturing the frequency content of a transient signal is main “claim to fame” of the real-time (RT) spectrum analyzer and you might want to refer to the new guide we published recently, “Real-Time” Spectrum Analyzer Mini Guide”, which

[PSES] Fwd: [PSES] Current probe for CM currents

Ken is correct. Near field probes are good for finding sources, but current probes are better for characterizing the emissions from cables. However, if the EUT has a leaky enclosure, or other radiating structures besides cables, you'll really need to monitor the emissions from a distance while

Re: [PSES] Best antenna for IEC 61000-4-3

Just move the antenna in to a 1m test distance! :-) ___ I'm here to help you succeed! Feel free to call or email with any questions related to EMC or EMI troubleshooting - at no obligation. I'm always happy to help! Kenneth Wyatt Wyatt Technical Services LLC 56 Aspen Dr.

Re: [PSES] Preselector requirement in ANSIC63.4 -low PRF

I would think that if the measurements were taken in a chamber and the product emissions were characterized and amplitudes known and the analyzer was a good quality one, justification could be made to eliminate the preselector. I suspect the requirement was established during the days we all

Re: [PSES] QP Dectector - how to confirm accuracy & functionality

Hi Chas, Might be a bit pricy, but the AET USDS spherical comb gen has a pulsed feature that can check QP detectors. See my review: http://www.edn.com/electronics-blogs/the-emc-blog/4439682/Review--The-AET-USDS-spherical-harmonic-comb-generator

Re: [PSES] SV: [PSES] Stricter limits than legal (CISPR11, IEC, etc,) Where?

Hi All, I reported on the grow light issue some months ago. http://www.edn.com/electronics-blogs/the-emc-blog/4438864/How-cops-are-finding--grow-ops--with-AM-radios Cheers, Ken

Re: [PSES] EMC Chamber Filter Issue

Sounds more like a “ground loop” issue to me. Ideally, shielded rooms should be isolated from earth and then single-point grounded to earth using a ground rod. It sounds to me as if there may be multiple grounds, possibly via multiple AC line circuits. Are the AC line circuits to the monitors

Re: [PSES] Unexplained High Fallout of Power Supplies

Hi Brian, Pat offers some great advice with respect to filter stability and resulting ringing. This is not something normally tested using a transient generator, so should be examined. I’d also like to add an observation. During the time I worked for HP/Agilent in their scopes division, we

[PSES] Review of Signal Hound's new VSG25A vector signal generator

Hi All, I just posted a review of the new $495 VSG25A vector signal generator from Signal Hound. http://www.edn.com/electronics-blogs/the-emc-blog/4439988/Review--Signal-Hound-VSG25A-vector-signal-generator

[PSES] Some recent articles (GaN and EMI, Aaronia antennas, spherical dipole comb gen)

Hi All, Here are some recent articles on various EMC topics. For the most recent list, go to The EMC Blog http://www.edn.com/electronics-blogs/4376432/The-EMC-Blog, hosted by EDN.com http://edn.com/. GaN technology and the potential for EMI

[PSES] Review of the AET USDS spherical harmonic comb generator

Hi All, I just posted a review of the Applied Electromagnetic Technology's Universal Spherical Dipole Source (USDS) harmonic comb generator. This very unique source that may be adjusted for both horizontal and vertical polarization and produces harmonics out to 16 GHz.

Re: [PSES] Interference Caused by Microwave Oven

I was wondering the same regarding “capacitor hold-up” keeping the magnetron working for up to a half sine. As for the radio astronomy frequency allocations, here is the internationally recognized list: http://www.astrosurf.com/luxorion/radioastro-frequencieslist.htm

Re: [PSES] Interference Caused by Microwave Oven

Hi All, I recently wrote an article on wireless interference, with microwave ovens being one source of that interference. Fortunately, the use cycle of microwave ovens is relatively short, so any interference is short-term. However, any leakage is certainly an issue for those standing nearby -

[PSES] Neat portable RF generator

Hi All, I recently published a review of a cute self-contained portable touchscreen-controlled RF synthesizer/generator that can tune from 35 to 4400 MHz. See the review here: http://www.edn.com/electronics-blogs/the-emc-blog/4439296/Review--The-Red-Oak-Canyon--RF-Pro-Touch--RF-generator

[PSES] Review of Vectawave 3-watt broadband RF amplifier

I recently published a review of the Vectawave VBM2500-3 three-watt broadband RF amplifier. I found it quite useful in producing 20 to 50 V/m E-field levels. See the article here: http://www.edn.com/electronics-blogs/the-emc-blog/4439251/Review--The-Vectawave-VBM2500-3-RF-amplifier

Re: [PSES] Review of Steven Sandler's new book on Power Integrity

, at 4:49 PM, Ken Wyatt k...@emc-seminars.com wrote: Hi All, I just posted a review of Steven Sandler’s recent book, Power Integrity. http://www.edn.com/electronics-blogs/the-emc-blog/4439092/Review--Power-Integrity-by-Steven-Sandler Cheers, Ken ___ Kenneth Wyatt

[PSES] Review of Steven Sandler's new book on Power Integrity

Hi All, I just posted a review of Steven Sandler’s recent book, Power Integrity. http://www.edn.com/electronics-blogs/the-emc-blog/4439092/Review--Power-Integrity-by-Steven-Sandler http://www.edn.com/electronics-blogs/the-emc-blog/4439092/Review--Power-Integrity-by-Steven-Sandler Cheers, Ken

Re: [PSES] Ferrite Cores on cables and possible reduction

It really depends on the impedance of the wire or cable it’s clamped around. If the impedance is low, compared to the ferrite Z, then you’ll get some benefit. If it’s high, for example, 100 Ohms, then a 100 Ohm ferrite won’t do anything. A good reference is Würth Electronics, Trilogy of

[PSES] Catching up - recent blog postings

Hi All, I realized I’ve not posted links to my recent EMC blog postings. Here’s a few for your bed time reading: Review: TPI Version 4 4400 MHz RF synthesizer - http://www.edn.com/electronics-blogs/the-emc-blog/4432496/Review--TPI-Version-4-4400-MHz-RF-synthesizer

Re: [PSES] RS FSP Spectrum Analyzer

Hi grace, I agree with Ed. You rally ought to find out specifically why your present analyzer is not “good for your purposes”. If all you’re needing is to perform pre-compliance testing, then most good analyzers should work OK. Where most spectrum analyzers have trouble meeting CISPR 16 is for

[PSES] How cops are catching grow ops with AM radios.

A interesting use of RFI… http://www.policeone.com/drug-interdiction-narcotics/articles/8224280-How-cops-are-catching-grow-ops-with-AM-radios/ http://www.policeone.com/drug-interdiction-narcotics/articles/8224280-How-cops-are-catching-grow-ops-with-AM-radios/ Ken ___

Re: [PSES] EMC on Industrial Cut-Off Saws

Henry Ott likes to use a Dremel tool as a wide bandwidth noise source for radiated immunity pre-compliance testing! :-) ___ Kenneth Wyatt Wyatt Technical Services, Inc. 56 Aspen Dr. Woodland Park, CO Phone: (719) 310-5418 Email Me! mailto:k...@emc-seminars.com | Web Site

Re: [PSES] ESD protection for USB 3.0

It's generally best to install transient protection on the data lines. Several companies make devices for USB 3.0. I have some info here: http://www.edn.com/electronics-blogs/the-emc-blog/4422551/Protect-Circuits-From-ESD Cheers, Ken ___ Kenneth Wyatt Wyatt Technical

Re: [PSES] [SI-LIST] Re: electronic design related postings on Twitter

Ditto what David said. I also send out occasional tweets on EMC product design or pre-compliance measurements. You’ll find me at @emc_guru. ___ Kenneth Wyatt Wyatt Technical Services, Inc. 56 Aspen Dr. Woodland Park, CO Phone: (719) 310-5418 Email Me! | Web Site | Blog The

[PSES] 6 GHz hand held spectrum analyzer reviewed

Hi All, I just reviewed the new Thurlby Thandar 6 GHz hand held spectrum analyzer. Nice! http://www.edn.com/electronics-blogs/the-emc-blog/4434756/6-GHz-spectrum-analysis-in-your-hand- Cheers, Ken ___ Ken Wyatt Wyatt Technical Services LLC k...@emc-seminars.com www.emc

Re: [PSES] Test and Calibration Labs

I know what you mean. I recommend only test labs I've personally visited or have worked with in the past. You also won't likely go wrong by recommending the large chains, but there are exceptions, I'm sure. Probably the best bet is to ask around...maybe asking for specifics here, or in one of

Re: [PSES] Chamber - Fire sprinkler filters

Yeah, try speaking with a chamber installer or manufacturer. We had some sort of thick fire retardant coating installed over our PVC pipes, which only became charged once the sensor indicated a fire. ___ Ken Wyatt Wyatt Technical Services LLC k...@emc-seminars.com www.emc

[PSES] Review of the Signal Hound BB60C real time spectrum analyzer

Hi All, I just finished a two-part review of the new Signal Hound BB60C real time 6 GHz spectrum analyzer. Part 1: http://www.edn.com/electronics-blogs/the-emc-blog/4432091/Review--Signal-Hound-BB60C-real-time-6-GHz-spectrum-analyzer Part 2:

Re: [PSES] agilent vs keysight

Hi Brian, As an outsider to HP/Agilent now, I believe the reorganization actually makes a lot of sense in splitting off the medical and chemical analysis divisions from the test measurement divisions. This should allow both companies to better focus more on their customers needs. There is

[PSES] Review: Keith Armstrong's EMC Design Techniques

Hi All, I just reviewed Keith Armstrong's wonderfully practical book, EMC Design Techniques for Electronic Engineers. While light on really deep theory, he provides just the right amount for good understanding sufficient to understand how to design products for EMC compliance. Highly

Re: [PSES] EN and ISO standards

. State Dept., and I guess there’s no real easy way to shut them down. http://www.edn.com/electronics-blogs/the-emc-blog/4378139/Pirated-Standards--Could-It-Be-True- That Estonia deal is probably the best legitimate source. Cheers, Ken ___ Ken Wyatt Wyatt Technical Services LLC k

[PSES] Fwd: iPad charger teardown: inside Apple's charger and a risky phony

Hi All, iI found this very interesting analysis of an Apple versus counterfeit iiPad power supply. http://www.righto.com/2014/05/a-look-inside-ipad-chargers-pricey.html?m=1 Kenneth Wyatt Wyatt Technical Services LLC Woodland Park, CO k...@emc-seminars.com www.emc-seminars.com (Sent from my

[PSES] Review: TTi PSA2702T spectrum analyzer

Hi All, I just posted a short review of the new PSA2702T hand held spectrum analyzer from Thurlby Thandar. http://www.edn.com/electronics-blogs/the-emc-blog/4428816/Review--TTi-PSA2702T-handheld-spectrum-analyzer Cheers, Ken ___ Kenneth Wyatt Wyatt Technical Services LLC 56

Re: [PSES] Harmonic analyzer tool

)104154953  Before printing, think about the environment. Van: Ken Wyatt [mailto:k...@emc-seminars.com] Verzonden: Thursday, February 20, 2014 4:18 PM Aan: ce-test, qualified testing bv - Gert Gremmen Onderwerp: Re: [PSES] Harmonic analyzer tool Hi Gert, that's a good idea

[PSES] Harmonic analyzer tool

Hi All, I just posted details on a simple crystal oscillator harmonic analyzer tool: http://www.edn.com/electronics-blogs/the-emc-blog/4428570/Harmonic-analyzer-tool The blog posting has a link to download the spreadsheet. Cheers, Ken ___ Kenneth Wyatt Wyatt Technical

Re: [PSES] Mobile Compliance

Hi Doug, I have no issues yet with the various cloud services, but I do maintain backup folders on a RAID drive. By avoiding keeping working files on my various mobile devices (plus the easy to use 'remote wipe feature) if a device becomes lost or stolen, there's really little harm done. For

Re: [PSES] 85460A RF Filter Section ??

Hi Brian, Group, please correct my understanding if my recollection is wrong... The filter section is a preselector, primarily designed to narrow the bandwidth of the spectrum analyzer to try to minimize adjacent signal overload when using the system at open area test sites. As for the CE

Re: [PSES] Regulatory Compliance program

Don't forget copies of the pertinent standards... ___ Kenneth Wyatt Wyatt Technical Services LLC 56 Aspen Dr. Woodland Park, CO Phone: (719) 310-5418 Email Me! | Web Site | Blog The EMC Blog (EDN) Subscribe to Newsletter Connect with me on LinkedIn On Jan 20, 2014, at 3:22

[PSES] December EMC Blogs

Hi All, Here's an update on a couple blog postings from this past December. EMC questions answered (Part 4) - Several questions on EMC measurements and product design were asked during my recent webinar hosted by Interference Technology Magazine and sponsored by Rohde Schwarz. Here they are

[PSES] November EMC Blogs

really caught my eye initially was that the generator could AM modulate the RF output - perfect for radiated immunity pre-compliance testing! Best wishes for the new year, Ken ___ Ken Wyatt Wyatt Technical Services LLC k...@emc-seminars.com www.emc-seminars.com Phone: (719) 310

Re: [PSES] Puzzle

Great ideas from Doug. It does sound like energy is coupling onto one, or more, cables. Have you used a current probe to verify which, if any, have HF currents? If you're lacking this probe, one may be easily made with a clamp-on ferrite choke. See my article here:

Re: [PSES] Job Opening for EMC Engineer

?trk=mta-lnk ___ Ken Wyatt Wyatt Technical Services LLC k...@emc-seminars.com www.emc-seminars.com Phone: (719) 310-5418 On Nov 19, 2013, at 8:49 AM, CR k...@earthlink.net wrote: I suspect many of us came into EMC unconventionally. I certainly did. I walked into a job in EMC

Re: [PSES] Job Opening for EMC Engineer

at the top of her full profile. Note: you may have to already have a profile on LinkedIn before you can follow/read. I tried clicking on her other web sites, but couldn’t find the same article… Sorry about that, Ken ___ Ken Wyatt Wyatt Technical Services LLC k...@emc

Re: [PSES] Job Opening for EMC Engineer

I also hired my replacement from MST after I retired”. Ken ___ Ken Wyatt Wyatt Technical Services LLC k...@emc-seminars.com www.emc-seminars.com Phone: (719) 310-5418 On Nov 18, 2013, at 2:36 PM, Richard Nute ri...@ieee.org wrote: EMC Engineering is not something

Re: [PSES] Job Opening for EMC Engineer

a lot of other things, but I’ll let the group here fill in the gaps. Good luck, Ken ___ Ken Wyatt Wyatt Technical Services LLC k...@emc-seminars.com www.emc-seminars.com Phone: (719) 310-5418 On Nov 18, 2013, at 12:32 PM, Murisa, Egide egide.mur...@molex.com wrote: Hello

Re: [PSES] Job Opening for EMC Engineer

products are still meeting the limit. The better EMC engineers will carefully weigh the legal requirements with the business needs and avoid being the “EMC Cop” - a good way to end your career before it starts. Cheers, Ken ___ Ken Wyatt Wyatt Technical Services LLC k...@emc

Re: [PSES] Inexpensive RF generator

for those wishing to perform radiated immunity pre-compliance testing. Ken ___ Ken Wyatt Wyatt Technical Services LLC k...@emc-seminars.com www.emc-seminars.com Phone: (719) 310-5418 On Nov 4, 2013, at 9:19 AM, don_borow...@selinc.com wrote: Probably the easiest way to add

Re: [PSES] Inexpensive RF generator

/ /\ \ ] / /\ \ Mobile: 408-858-4528 | q-( ) | o | Email: d...@dsmith.org \ _ /]\ _ / Web: http://www.dsmith.org -- On 11/2/13 5:10 PM, Ken Wyatt wrote: Hi All, I just uploaded a new

Re: [PSES] Inexpensive RF generator

advise an economic way to modulate the RF? Best Regards, Scott Drysdale OOO - Own Opinions only On Sat, Nov 2, 2013 at 8:10 PM, Ken Wyatt k...@emc-seminars.com wrote: Hi All, I just uploaded a new posting - Review: inexpensive RF generator http://www.edn.com/electronics-blogs

[PSES] Inexpensive RF generator

Hi All, I just uploaded a new posting - Review: inexpensive RF generator http://www.edn.com/electronics-blogs/the-emc-blog/4423710/Review--inexpensive-RF-generator Thought this might be helpful for some applications. Cheers, Ken ___ Ken Wyatt Wyatt Technical Services LLC k

[PSES] October EMC Blogs

-an-oscilloscope-for-under--200 Best wishes, Ken ___ Ken Wyatt Wyatt Technical Services LLC k...@emc-seminars.com www.emc-seminars.com Phone: (719) 310-5418 - This message is from the IEEE Product Safety

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