Re: [PSES] USA Canada rf emission test standards

Hello Ian - In combining the test standards do you mean methodology or limits or both? ICES 003 has different limits to the FCC published limits - so be aware of that. For the test methods refer to the other emails in the thread. From: Ian McBurney [mailto:ian.mcbur...@allen-heath.com] Sent:

Re: [PSES] USA Canada rf emission test standards

Hello all - My original statement is partially correct- As of August 31st 2013 Issue 5 is now in effect and there has been an alignment between testing methods and the limits. So FCC limits *are* acceptable to demonstrate compliance to ICES003 - given certain conditions. From: Grasso, Charles

[PSES] Need HDMI connection solution for EMC enclosure

Hello all, Does anyone know of a HDMI connector solution for penetrating an EMC enclosure PEM panel? (I am considering fibre but its just a bit expensive) Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e)

Re: [PSES] EN-61000-6-4

Andy - Are you referring to HomePlug? Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com From: McCallum, Andy [mailto:andy.mccal...@mottmac.com] Sent: Monday,

[PSES] Question on power cord length

Hello all, UL6950 and UL60065 both restrict the power cord length to 1.5m.Does anyone know the reason for this length restriction and (more importantly) does anyone know of exceptions that will allow for a shorter cord? Thanks in advance Carles Grasso -

Re: [PSES] Question on power cord length

Thank you all for your replies! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com -Original Message- From: John Woodgate

Re: [PSES] Failure of Radiated emission

Gary - That story is quite old - I think I predates MP4!! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com -Original Message- From: Gary McInturff

Re: [PSES] Failure of Radiated emission

Apologies for the late response on this but the concerns raised (market surveillance, test methodologies and standards interpretation) go right to the heart of the compliance engineering function - and has been this way for about 30 years! Kris - the standards piece seems to be pretty well laid

[PSES] Recommendations for EMC sniffer probes

Hello, I am looking for a set of EMC sniffer probes that can work up to 6GHz (higher is OK too) and be able to measure small pwb structures. Please contact me offline with your recommendations.. Thanks! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467

Re: [PSES] Recommendations for EMC sniffer probes

Thank you to all that responded. Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com From: Grasso, Charles Sent: Thursday, October 09, 2014 9:59 AM To: EMC

[PSES] Gigabit Ethernet Magnetics configuartion question

Hello, I have seen schematics of Gigabit Ethernet connectors that have the CTs on the input side connected to VCC and then to GND with a 0.1uF cap as a decoupler? across the connections. I have no experience with sort of configuration other than to think it must be OK because gigabit has

Re: [PSES] Brick power supplies and test errors (two topics)

It would appear that the best efforts of lab accreditations are not living up to expectations? Or am I expecting too much? Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2)

Re: [PSES] test errors

Hello Brian – with regards to the “Top Secret” box. It is my understanding that the customer it responsible for assuring that their product is tested to the correct standard and the test lab is responsible for testing the delivered product according to that standard. So I would say that yes –

Re: [PSES] test errors

...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com From: dward [mailto:dw...@pctestlab.com] Sent: Thursday, December 18, 2014 2:38 PM To: Grasso, Charles; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [PSES] test errors I don’t think the original discussion is or was centered on testing ‘black

[PSES] ESD protection for USB 3.0

Hello all, Does anyone have a paper/info on the problems of (and hopefully the solutions for!) ESD protection on the USB3.0 interface? Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e)

[PSES] HDMI2.0 Interface cables

Hello all - I was wondering if anyone has been emissions testing with a 4k system and has experience with good peripherals and cables? I would appreciate any pointers! Thanks! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t)

Re: [PSES] USB Mains Outlet sockets

Hello Scott - What Energy Star/DoE standards are you referring to? Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com From: Scott Aldous

Re: [PSES] Harmonised Standards for EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU

Hello Monrad - On the issue of [What is not clear is which time zone should be used for signing this DOC, or if one must keep re-signing a DOC again each hour of the European time zones ] I suggest that BMT (that's Brussels Mean Time) be used as the DoC clock from anywhere in the world!

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

: Grasso, Charles Sent: Tuesday, March 3, 2015 10:38 AM To: EMC-PSTC@LISTSERV.IEEE.ORGmailto:EMC-PSTC@LISTSERV.IEEE.ORG Reply To: Grasso, Charles Subject: [PSES] Ferrite Cores on cables and possible reduction Hello all, It is generally reported (at least as far as I can remember) that a ferrite bead

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

, but a lot harder to obtain at 37 MHz on a stepper motor drive line. Ed Price WB6WSN Chula Vista, CA USA From: Grasso, Charles [mailto:charles.gra...@echostar.com] Sent: Tuesday, March 03, 2015 9:38 AM To: EMC-PSTC@LISTSERV.IEEE.ORGmailto:EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Ferrite Cores

[PSES] Ferrite Cores on cables and possible reduction

Hello all, It is generally reported (at least as far as I can remember) that a ferrite bead clamped on a cable will provide - typically- only about 3db of improvement as a general rule. I am now in a position of looking for the source of that common knowledge .. Does anyone have such a

[PSES] WiFi Antenna pattern plotting and measurement capabilities

Hello - We have a need to plot the 3D antenna patterns for a product. Does anyone know of a lab with this capability.? Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2)

Re: [PSES] WiFi Antenna pattern plotting and measurement capabilities

Thank you to all who replied! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com From: Grasso, Charles Sent: Monday, February 23, 2015 12:34 PM To: EMC-PSTC

Re: [PSES] Interference Caused by Microwave Oven

Hmm -odd - It's not in my dictionary - or online! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com -Original Message- From: dward

Re: [PSES] EMC and Data Center

) chasgra...@gmail.com From: Grasso, Charles Sent: Friday, May 15, 2015 1:41 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] EMC and Data Center An entire data center? There are regulatory companies that would do onsite testing - but what standard would you apply (by that I mean specification

[PSES] EMC Benign devices (was:RE: [PSES] Friday night conundrum)

Hello, John Woodgate posted Like a digital watch, it's regarded as 'EMC benign', so no EMC test and no CE mark The FCC defines an EMC benign device as: Digital devices that have a power consumption of 6 nanowatts or less, such as digital watches and solar calculators. Section 15.103(f) Do

Re: [PSES] SV: [PSES] PCB via holes - radiated emission

Warning : Frivolous comment below: Of course a shorted pcb will have a wonderful emissions profile! You were Warned!! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2)

[PSES] Thanks to all that replied to my latest posts

Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com - This message is from the IEEE Product

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

Hell all, ANSI C63 *requires* the use of a preselector on an SA when making QP measurements of a signal with a low repetition rate (lower than 20Hz or less). Does anyone know why? Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t)

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

Engineer 2-2606 (913) 440-1540 KB5UKT “Never give up on a dream just because of the time it will take to accomplish it. The time will pass anyway.” Earl Nightingale From: Grasso, Charles [mailto:charles.gra...@echostar.com] Sent: Thursday, October 22, 2015 1:53 PM To: EMC-PSTC@LISTSERV.IEEE.ORG&

Re: [PSES] 4k TV/monitor?

Our have been negative (experiences that is!) Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com From: Brent DeWitt [mailto:bdew...@ix.netcom.com] Sent:

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

Hello, Does anyone know of a gizmo or procedure that provides a standard signal for checking the accuracy of a QP detector in a SA? Thanks in advance!! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e)

Re: [PSES] PoE Injectors

Hello Doug – in your tidbit you indicated that the pwb layout was (likely) responsible for the increased emissions at the below 100MHz range. It has been my experience that when the magnetics are placed inside a connector, that the emissions are more influenced from the imbalance in the cores

[PSES] WiFi Modules International labelling

Hello all, Does anyone know how a WiFI module manufacturer displays all of the radio certs required for international approvals? After all the module itself is tiny! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com

[PSES] Aluminum-Magnesium alloys used in braided shield

Hello, I am researching the properties of braided shields with respect to EMC made with al/mag alloys. Does anyone know of a paper or reference that I can refer to? Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com

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

Hi Ken - How about a DC probe clamp (like the PSU guys use) and a scope? You could set a limit line and max hold...?? Not as high tech as James" solution. :) Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t)

Re: [PSES] AU CISPR 22 Class B Interpretation

Hello Carl - What does the purchase agreement call for? In other words - what are you testing to CISPR22 in the first place? I suggest you research the medical EMC requirements for devices involved in ambulances, police cars and so on that will guide you. Best Regards Charles Grasso

Re: [PSES] Ferrite bead vs. resistor

Hello Amund – If adding a CMC only “seems” to make a difference then I suggest you look harder for the cause. Adding the resistors will lower the signal levels which can reduce the emissions. So I suggest you measure the eye ASAP. In general, resistors in signals are better than ferrite beads

Re: [PSES] Updated ECHA REACH guidance

Hello Lauren, You asked : A key question --> If an item manufacturer makes a bunch of parts to go into an item they sell, but none of the parts are sold as products in their own right, are each of the parts a separate simple article? The current state of play on interpreting the ruling is

Re: [PSES] NEBS GR1089 for Remote Radio Heads

In this case its appropriate - right? Is what you need to throw onto the table as a hardware supplier for ATT etc Without that you cannot play. Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e)

Re: [PSES] Commom mode current vs. differential mode current and LISN

Hello Ken - I remember the setup and demo to Art Wall of the FCC during the 1999 EMC Symposium here in Denver. In spite of your best efforts it was clear that Art was not "persuaded" !! The impact on the industry (as I recall) would be much cheaper filters...(if any). Best Regards Charles

[PSES] Job opportunity @ SmartWire

FYI: SmartWire is looking for a Senior Compliance Test Engineer for Smart Wires, an innovative grid solutions provider. The position will be based in the San Francisco Bay Area (Union City). For more information contact: Susan Schalbe at

Re: [PSES] Pre-Amp mounted to antenna

What antenna are you using? The gain you are seeking seems a little low.. Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e)

Re: [PSES] Commom mode current vs. differential mode current and LISN

Hello - Why are you looking at the "noise" in the time domain? What spec are you trying to comply with? My assumption is that (if there is a LISN) there will be a spec in the frequency domain - am I wrong? Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467

Re: [PSES] Commom mode current vs. differential mode current and LISN

: Thursday, March 31, 2016 4:30 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Commom mode current vs. differential mode current and LISN On 3/31/2016 4:47 PM, Grasso, Charles wrote: > Why are you looking at the "noise" in the time domain? > What spec are you

Re: [PSES] Maximum Allowed Duty Cycle Correction Factor per FCC 15.35

Hello Grace – If memory serves me this is buried in 15.35(b) as the peak emission maximum allowed over the average value when using DCCF. Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t)

Re: [PSES] CE-EMC on Submersible Product

Your best bet is to work through a notified body. Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e) charles.gra...@echostar.com (e2) chasgra...@gmail.com -Original Message- From: T.Sato

[PSES] USB3.0 interference to WiFi performance

Hello - Does anyone have pointers to research regarding WiFi performance degradation due to USB3.0 proliferation? We have tried to "kill" our systems by having USB3.0 peripherals close to our WiFi designs and saw no difference in performance. Does this observation match other folks experiences?

[PSES] Immunity testing in a reverb chamber - Stimulus question

Hello all, Given that the electromagnetic environment in a reverb chambers is a superposition of plane waves with random phase, is it possible to test the immunity of a product to a modulated signal (such as LTE - a 4G comms standard) rather than a pure sine wave tone? IMO the modulated

Re: [PSES] Immunity testing in a reverb chamber - Stimulus question

to bounce around the room is of the same duration as the information bit rate. But if the modulation were 1 kHz, or 10 kHz, or even 1 MHz, that should be okay. Ken Javor Phone: (256) 650-5261 From: "Grasso, Charles" <charles.gra...@echostar.com <mailto

Re: [PSES] iNARTE EMC accreditation - thoughts?

Is there an online version of the test [Similar to Labview?] If so – sign me up..!! Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e)

Re: [PSES] lowest emissions 4k TV?

Quite right James - It will be well received. -Original Message- From: Pawson, James Sent: Monday, January 16, 2017 3:03 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] lowest emissions 4k TV? Hi John, You are right about impedance discontinuities being a factor. However, in my

Re: [PSES] [EXTERNAL] Re: [PSES] When is EMI testing performed?

We toyed with the idea in a previous company - . :-) -Original Message- From: Gary McInturff [mailto:gary.mcintu...@esterline.com] Sent: Tuesday, October 04, 2016 10:08 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] [EXTERNAL] Re: [PSES] When is EMI testing performed? That

Re: [PSES] USB spectrum analyser

If you are taking relative measurements of a single spur then this device might work just fine... >From your message it sounds like you are off measuring a radio ...? -Original Message- From: Ken Javor [mailto:ken.ja...@emccompliance.com] Sent: Monday, September 19, 2016 7:42 AM To:

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

Gert - That's a difficult question to answer. For high volume manufacturers (consumer type products) the presence of the CE mark in the US is a byproduct of the compliance marking (i.e. one label) and is common place. -Original Message- From: ce-test, qualified testing bv - Gert

Re: [PSES] lowest emissions 4k TV?

Which goes back to my musing : With so much money and effort applied to EMC (especially emissions!) shouldn't compliant product (including cables and so on) be the norm rather than the exception? And if non-compliant product is the norm rather than the exception what can be changed to reverse

Re: [PSES] lowest emissions 4k TV? -ANSIC63.4

Hi Ken, If you are following ANSI C63.4 the then TV should be placed in the same room as the device under test. -Original Message- From: Ken Javor [mailto:ken.ja...@emccompliance.com] Sent: Thursday, January 12, 2017 8:27 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] lowest

Re: [PSES] lowest emissions 4k TV? -ANSIC63.4

- there is no other room. But why in a SAC? Ken Javor Phone: (256) 650-5261 > From: "Grasso, Charles" <charles.gra...@echostar.com> > Date: Fri, 13 Jan 2017 19:03:20 + > To: 'Ken Javor' <ken.ja...@emccompliance.com>, "EMC-PSTC@LISTSERV.IEEE.ORG" > <EM

Re: [PSES] lowest emissions 4k TV?

[ShowerThoughts] Given the amount of effort that goes into EMC research, design, manufacturing etc.. shouldn’t compliant devices be the norm and not the exception? [I understand variability and so on … but really …?] Best Regards Charles Grasso Compliance Engineer Echostar Communications (w)

Re: [PSES] lowest emissions 4k TV?

Hello Jim, Did you get the unintentional emissions report or did you review the reports from the OET website? From: Jim Bacher [mailto:j.bac...@ieee.org] Sent: Tuesday, January 10, 2017 6:16 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] lowest emissions 4k TV? It is ok to post

[PSES] Deviations from ANSI C63.4 testing - Lab acceptability

ANSI C63.4 requires that "Interconnect cabling or wiring shall be connected to one of each type of functional port of the EUT, and each cable or wire shall be terminated in a device typical of actual usage." If an active termination (i.e such as for HDMI) is used in place of a device,

[PSES] SD Card ESD Testing

Aside from the obvious air discharge tests around the SD card slot (with and without the SD card installed) are there any concerns regarding the ESD performance of the SD card during INSERTION? Does anyone have an insight into this? TIA Best Regards Charles Grasso Compliance Engineer Echostar

[PSES] ANSI C63.4 Courses

Hello - Other than the workshop provided during the EMC Symposium, does anyone know of an ANSI C63.4 workshop in the US? Best Regards Charles Grasso Compliance Engineer Dish Technologies (w) 303-706-5467 (c) 303-204-2974 (t) 3032042...@vtext.com (e )

[PSES] Unintentional emissions testing during a radio certification

Hello, I have a question regarding radio certification testing. Given that the EUT is the RADIO it is my opinion that all other emissions ( for example from DDR signals) that do *not* fall in the restricted bands can be discounted. Am I wrong?? Best Regards Charles Grasso Compliance Engineer

Re: [PSES] ESD Table Top Testing Bench with IEC 61000-4-2

Hello Kevin - Interesting question. Keep the old wooden benches - after all your company has shipped several products using those benches. The issue for me is that you should not claim compliance to 61000-4-2 if the test fixtures do not comply with the requirements of said specification.

Re: [PSES] Quasipeak definition

As an integrator perhaps..? From: Paasche, Dieter [mailto:dieter.paas...@christiedigital.com] Sent: Monday, July 31, 2017 8:35 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Quasipeak definition This message originated outside of DISH and was sent by:

Re: [PSES] EMC Measurement Software

James - In my travels (various labs etc..) the most popular software is the one the lab writes and customizes itself. Instead of writing the program - you can spend hours customizing a "one fits all" type and running into weird issues anyways - I know - been there done that. Point take about the

[PSES] Q on Systems Integration and Testing Requirements

Hi, Scenario: Company A is the manufacturer of a PC tested and compliant to FCC Class B. Company B is the manufacturer of a USB accessory tested and compliant to FCC Class B. Company A imports the accessory and distributes the accessory as part of the system. The accessory is not changed in

[PSES] USB dongle connector shield filtered grounding

Greetings And just when you thought it was safe to go back in the water..!! Q: Has this august forum heard of/seen/used a filter combo technique to tie the connector shield to the circuit ground successfully? # ILLUMINATION # ### My question has to do with USB

Re: [PSES] USB dongle connector shield filtered grounding

s Grasso (w) 303-706-5467 From: John Woodgate [mailto:jmw1...@btinternet.com] Sent: Thursday, June 22, 2017 11:21 AM To: Grasso, Charles <charles.gra...@dish.com>; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [PSES] USB dongle connector shield filtered grounding This message originated ou

[PSES] Test

Thanks Charles Grasso (w) 303-706-5467 - 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 All emc-pstc postings

[PSES] Composite Systems and Intentional Radiators

Hello, I am soliciting help in the interpretation of FCC rules as to what makes an intentional radiator and the application of standards as a result. The scenario: A product is designed and tested as an unintentional radiator and 15.109/15.107 and/or ANSI C63.4 etc test levels and methods are

Re: [PSES] Use of LED Spots in EMC Chambers [General Use]

Hey Ken - Cardboard absorber? -Original Message- From: Ken Javor [mailto:ken.ja...@emccompliance.com] Sent: Wednesday, November 22, 2017 12:38 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Use of LED Spots in EMC Chambers [General Use] This message originated outside of DISH and

Re: [PSES] ESD question

Ken, The gun model is derived from extensive research by Mike King and others (David Pommerenke) to derive a pulse that reflects an ESD event from a human with an intervening metal object. I have copied Mike for his input. Dr Pommerenke is on the EMC blog. Thanks Charles Grasso (w)

[PSES] Frequency of Occurrence of ESD with respect to Voltage

Hello, I have been (fruitlessly) hunting down any reference to the above subject. Does anyone know of such a reference? Thanks Charles Grasso (w) 303-706-5467 - This message is from the IEEE Product Safety Engineering Society

Re: [PSES] Frequency of Occurrence of ESD with respect to Voltage

re obsolete. Bet you can't make the same claims, huh Chas? Ken Javor Phone: (256) 650-5261 ____ From: "Grasso, Charles" mailto:charles.gra...@dish.com>> Reply-To: "Grasso, Charles" mailto:charles.gra...@dish.com>> Date: Wed, 8

Re: [PSES] Frequency of Occurrence of ESD with respect to Voltage

xon [mailto:lanterna.viri...@gmail.com] Sent: Wednesday, August 08, 2018 7:40 PM To: Grasso, Charles Cc: EMC-PSTC@listserv.ieee.org Subject: Re: [PSES] Frequency of Occurrence of ESD with respect to Voltage This message originated outside of DISH and was sent by: lanterna.viri...@gmail.com<mailto:lantern

[PSES] Paper Found!!! RE: [PSES] Frequency of Occurrence of ESD with respect to Voltage

) 303-706-5467 From: Adam Dixon [mailto:lanterna.viri...@gmail.com] Sent: Wednesday, August 08, 2018 7:40 PM To: Grasso, Charles Cc: EMC-PSTC@listserv.ieee.org Subject: Re: [PSES] Frequency of Occurrence of ESD with respect to Voltage This message originated outside of DISH and was sent

Re: [PSES] Dips and interruptions when connected to UPS

If the device is so critical that a permanently attached UPS is needed - why not test? The UPS in the system may not live up to the advertising! From: Amund Westin [mailto:am...@westin-emission.no] Sent: Tuesday, July 24, 2018 6:36 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Dips and

Re: [PSES] Need a switch

Reminds me of a Frankenstein-like experiment. What exactly is this switch for Ken :-D ?? From: John Woodgate [mailto:j...@woodjohn.uk] Sent: Wednesday, April 04, 2018 12:50 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Need a switch This message originated outside of DISH and was

Re: [PSES] Using a TDR for Shielding Effectiveness measurements

Thanks John.. From: John Woodgate [mailto:j...@woodjohn.uk] Sent: Friday, April 20, 2018 9:40 AM To: Grasso, Charles <charles.gra...@dish.com>; EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Using a TDR for Shielding Effectiveness measurements This message originated outside o

Re: [PSES] Using a TDR for Shielding Effectiveness measurements

the ratio. So the risetime and duration of a usable impulse are dependent on how long the cable-under-test is. Ken Javor Phone: (256) 650-5261 ____________ From: "Grasso, Charles" <charles.gra...@dish.com<mailto:charles.gra...@dish.com>> Reply-To: "Grasso,

[PSES] Using a TDR for Shielding Effectiveness measurements

Hello all, In lieu of using shielded chambers/spectrum analyzers and such, has anyone used a TDR for performing shielding effectiveness measurements? The simplicity is tempting - but I am dubious about the dynamic range? I have poked about in the usual place - but didn't find any definitive

Re: [PSES] Using a TDR for Shielding Effectiveness measurements

d have to use something like an ASTM 4936 coaxial test fixture in order to main signal integrity up to the reflection point where the sample material puck is installed. Ken Javor Phone: (256) 650-5261 From: "Grasso, Charles" <char

Re: [PSES] Using a TDR for Shielding Effectiveness measurements

1 From: Ken Javor <ken.ja...@emccompliance.com<mailto:ken.ja...@emccompliance.com>> Date: Fri, 20 Apr 2018 14:43:17 -0500 To: "Grasso, Charles" <charles.gra...@dish.com<mailto:charles.gra...@dish.com>>, "EMC-PSTC@LISTSERV.IEEE

Re: [PSES] Loop antenna theory

Sounds like a job for Super Doug! (that would be Doug Smith) ...!! From: Amund Westin [mailto:am...@westin-emission.no] Sent: Thursday, October 11, 2018 10:15 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Loop antenna theory This message originated outside of DISH and was sent by:

Re: [PSES] My update and tracking services

Valuable stuff – Thanks guys! From: Scott Aldous [mailto:0220f70c299a-dmarc-requ...@ieee.org] Sent: Thursday, October 04, 2018 11:48 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] My update and tracking services This message originated outside of DISH and was sent by:

[PSES] EU Requirements for Sample Performance Assesment.

Hello all, We have been asked to ship two or three units into the EU to a business entity for performance assessment that may result in future sales. The units contain multiple( US approved) radios that are integral to its functionality. Am I covered by the Trade Show exemption or is there

Re: [PSES] holiday humor

Awesome Rich!! Merry Christmas and a Happy New Year to all!! [Belated - but I had Monday off!!] From: Richard Nute [mailto:ri...@ieee.org] Sent: Monday, December 24, 2018 1:58 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] holiday humor This message originated outside of DISH and was sent

[PSES] Antenna Colocation test

Hi - For an FCC product with multiple xmtrs a colocation test is required (<20cms). What standard are applied for the RE test? 15.209? Charles Grasso W: 303-706-5467 - This message is from the IEEE Product Safety Engineering

Re: [PSES] Antenna Colocation test

Thanks! From: Charlie Blackham [mailto:char...@sulisconsultants.com] Sent: Tuesday, November 27, 2018 12:58 PM To: Grasso, Charles ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: Antenna Colocation test This message originated outside of DISH and was sent by: char...@sulisconsultants.com

[PSES] Question on Antenna Colocation testing

Forwarded for a colleague: From: Schroeder, Ian Sent: Tuesday, November 27, 2018 2:58 PM To: Grasso, Charles Subject: FW: Antenna Colocation test A US only digital device product desires to incorporate various FCC Certified modules that can all transmit simultaneously. All modules

Re: [PSES] ESD network schematic

Hi Richard – Where did you find the circuit you posted? There are three different models used for ESD - the human body model (HBM) the charge device model (CDM), and the machine model (MM) and … the circuit you posted doesn’t look like anything I have seen!! It could be a “fitted” circuit that

[PSES] Testing a product with that uses a solar panel

Hello, I need to test a solar panel powered product for Radiated Emissions. The solar panel is integrated with the electronics. Does anyone have any ideas on how to have the panel function when testing in a chamber? I am looking at you test labs!! Thanks! Charles Grasso W: 303-706-5467 -

Re: [PSES] Testing a product with that uses a solar panel

light? They are incandescent. Ken Javor Phone: (256) 650-5261 From: "Grasso, Charles" mailto:charles.gra...@dish.com>> Reply-To: "Grasso, Charles" mailto:charles.gra...@dish.com>> Date: Wed, 13 Feb 2019 21:29:42 + To: mailto:EMC

Re: [PSES] Testing a product with that uses a solar panel

gt;<http://www.woodjohn.uk> Rayleigh, Essex UK On 2019-02-14 03:36, Ken Javor wrote: Waited to see if anyone would answer and didn't see any answers, so what about a 500 W work light? They are incandescent. Ken Javor Phone: (256) 650-5261 From: "Grasso,

Re: [PSES] Testing a product with that uses a solar panel

ee any answers, so what about a 500 W work light? They are incandescent. Ken Javor Phone: (256) 650-5261 From: "Grasso, Charles" mailto:charles.gra...@dish.com>> <mailto:charles.gra...@dish.com><mailto:charles.gra...@dish.com> Reply-To: "Grasso, Charle

Re: [PSES] Testing a product with that uses a solar panel

//www.woodjohn.uk><http://www.woodjohn.uk> Rayleigh, Essex UK On 2019-02-14 03:36, Ken Javor wrote: Waited to see if anyone would answer and didn't see any answers, so what about a 500 W work light? They are incandescent. Ken Javor Phone: (256) 650-5261 ___

Re: [PSES] Testing a product with that uses a solar panel

gt;<http://www.woodjohn.uk/> Rayleigh, Essex UK On 2019-02-14 03:36, Ken Javor wrote: Waited to see if anyone would answer and didn’t see any answers, so what about a 500 W work light? They are incandescent. Ken Javor Phone: (256) 650-5261 From: &quo

Re: [PSES] EMI testing with ambient

s just at the limit. If the signals combine rss, then if the measured amplitude is 6 dB over the limit and the noise is at the limit, that means the signal by itself is about 5 dB over the limit. Ken Javor Phone: (256) 650-5261 From: "Grasso, Charles" ma

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