Re: [PSES] Getting 2 emails for many posts on the forum - is it just me?

2015-09-14 Thread John Woodgate
In message <009b01d0ef5d$a6273a10$f275ae30$@cox.net>, dated Mon, 14 Sep 2015, Ed Price writes: Probably much further than 111 million miles. I?m very hopeful that any decent alien race will have finagled the speed of light limit. They have, but as all decent SF stories tell us, it can't be

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread John Woodgate
In message <009601d0ef5d$3dc51eb0$b94f5c10$@cox.net>, dated Mon, 14 Sep 2015, Ed Price writes: True, the FCC is essentially still following the Communications Act of 1934 in its scope. However, telegraph rates aren?t so important anymore, while the issue of consumer electronics immunity certa

Re: [PSES] Getting 2 emails for many posts on the forum - is it just me?

2015-09-14 Thread Ed Price
John: Probably much further than 111 million miles. I'm very hopeful that any decent alien race will have finagled the speed of light limit. Ed Price WB6WSN Chula Vista, CA USA -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Monday, September 14, 20

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread Ed Price
Gary: True, the FCC is essentially still following the Communications Act of 1934 in its scope. However, telegraph rates aren't so important anymore, while the issue of consumer electronics immunity certainly is. We expect our laws and regulations to evolve to address the important issues of th

Re: [PSES] Getting 2 emails for many posts on the forum - is it just me?

2015-09-14 Thread Ted Eckert
The first post comes from the list server directly. The second is redirected to you after it has been read and categorized by the NSA. It's easy to fix. All you need to do is to -redacted and then redacted---. This should fix redacted unless you redacted. Ted Eckert

Re: [PSES] Getting 2 emails for many posts on the forum - is it just me?

2015-09-14 Thread Sundstrom, Mike
And twice. Thanks, Michael Sundstrom Garmin Compliance 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 -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread Nyffenegger, Dave
And of course 15.5 General conditions of operation. (b) Operation of an intentional, unintentional, or incidental radiator is subject to the conditions that no harmful interference is caused and that interference must be accepted that may be caused by the operation of an authorized radio stati

Re: [PSES] Getting 2 emails for many posts on the forum - is it just me?

2015-09-14 Thread John Woodgate
In message cP12fcBAA==@blueyonder.co.uk>, dated Mon, 14 Sep 2015, John Allen writes: I started noticing this happening a few days ago, and it has been consistent all today for posts from US contributors, but there seems to be about a 2 minute gap between the 1st post and the 2nd post -

[PSES] Job Opening for EMC Compliance Engineer at Oracle (Bay Area in California)

2015-09-14 Thread Monrad Monsen
Hello! Oracle has posted a job opening for an EMC Compliance Engineer - 150017QP. Today's preference is for candidates that are able to commute to Menlo Park and Santa Clara area in California. You can view the details of the job posting at the below web site. Enter "150017QP" into the requ

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread Gary McInturff
IMO - The FCC was commissioned with protecting the public airways only - a far different scenario than in the EU. As such they worry about emissions coming from any unintentional or intentional radiator that would be detrimental to the public airways recivers or transmitting equipment. They were

Re: [PSES] Getting 2 emails for many posts on the forum - is it just me?

2015-09-14 Thread John Allen
PS: just noticed that the 1st post is addressed to "John Allen ; EMC-PSTC@LISTSERV.IEEE.ORG" whereas the 2nd is just to "EMC-PSTC@LISTSERV.IEEE.ORG" -Original Message- From: John Allen [mailto:john_e_al...@blueyonder.co.uk] Sent: 14 September 2015 19:23 To: 'EMC-PSTC@LISTSERV.IEEE.ORG' Su

[PSES] Getting 2 emails for many posts on the forum - is it just me?

2015-09-14 Thread John Allen
Evening I started noticing this happening a few days ago, and it has been consistent all today for posts from US contributors, but there seems to be about a 2 minute gap between the 1st post and the 2nd post - but that does not seem to be happening from UK/European contributors, where I am gettin

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread John Woodgate
In message ok.com>, dated Mon, 14 Sep 2015, Rodney Davis writes: Hi guys, in simple English.. the  FCC does state in section 15.17 Susceptibility to interference..., you are responsible for reducing the susceptibility for receiving harmful interference. Who is 'you', and how does anyone kn

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread dward
Exactly – and thank you for pointing that out Rodney. In the US, if you make a product you are responsible for that product. You are responsible for it meeting the frequency spectrum rules, you are responsible for it to meet safety needs so that it is safe to use and you are responsible for it

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread dward
Rocks have been thrown from lawnmower blades and have killed or injured people. Do we now outlaw rocks because in some obscure instance they might get caught in a mower blade. Is there really a need to put “do not light, may explode” on stick of dynamite? Or ‘contents may be hot’ on a cup of ho

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread Rodney Davis
Hi guys, in simple English.. the FCC does state in section 15.17 Susceptibility to interference..., you are responsible for reducing the susceptibility for receiving harmful interference. This clause is enough to make you responsible for any immunity complaint regardless of the levels! Rodn

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread dward
There always will be 'accidents' caused by bad products, even those that pass all the tests. From Ford Pintos to toaster ovens to toys, you cannot regulate them out of existence. A percentage will always slip through. ​ Dennis Ward This communication and its attachements contain informati

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread Nyffenegger, Dave
The lawyers would prefer not to legislate the safety related requirements so they can have more law suits to keep them busy and rich☺ From: John Allen [mailto:john_e_al...@blueyonder.co.uk] Sent: Monday, September 14, 2015 1:05 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] RF Common Mode

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread dward
The old adage “buyer beware” fits. That said, the price of freedom is that everyone takes responsibility for themselves, they take responsibility on what they purchase and what they use. They reject government intrusion. They set up things like the consumer protection organizations in the US;

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread John Allen
Seconded! Anyway, what would one of your “average” US customers say if, for example, one of their sophisticated modern consumer appliances (e.g. a robotic lawnmower/ vacuum cleaner/ “internet of things” kitchen appliance / “domestic robot” [already almost here!) – need I go on?) went haywi

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread John Woodgate
In message <002801d0ef00$de0b37e0$9a21a7a0$@pctestlab.com>, dated Mon, 14 Sep 2015, dward writes: I for one would never want the US to get into this arena. Too much regulation in the US as it is. Don’t need more and don’t want more. I’ll decide what is best for me, not the government. But

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread Ed Price
Dennis: The rationale that you don’t need consumer electronics with a modicum of immunity works only for you, because you are what I would call an expert customer. You have the knowledge to ameliorate immunity problems, but most of the population does not have this capability. Ed Price W

Re: [PSES] RF Common Mode Immunity Test Question

2015-09-14 Thread dward
I for one would never want the US to get into this arena. Too much regulation in the US as it is. Don’t need more and don’t want more. I’ll decide what is best for me, not the government. ​ Dennis Ward This communication and its attachements contain information from PCTEST Engine

Re: [PSES] FW: EMCTLA - White Paper - Modes of Operation for EMC Testing

2015-09-14 Thread Nyffenegger, Dave
> Did you check it by tasting the milk? > That IS the ultimate test , as the intended function is to preserve food, not > maintain a temperature ;<))) Perhaps the milk should be analyzed for bacteria content, before test and after. And check for freezer burn for the stuff in the freezer. And a h

Re: [PSES] FW: EMCTLA - White Paper - Modes of Operation for EMC Testing

2015-09-14 Thread ce-test, qualified testing bv - Gert Gremmen
Some thoughts The basis should be: - the description of intended operation and a listing of testable parameters relevant to intended operation - the manufacturers "product specifications under (EMC) test" for those parameters and if not present, - the specifications as published. Manufacture

Re: [PSES] FW: EMCTLA - White Paper - Modes of Operation for EMC Testing

2015-09-14 Thread John Woodgate
In message <033d01d0eeda$824d0030$86e70090$@acbcert.com>, dated Mon, 14 Sep 2015, Michael Derby writes: Well, once the document is finalised, I think it will be very important to speak with standards committees, Notified Body groups, test lab associations and manufacturer forums, etc. Of cour

Re: [PSES] FW: EMCTLA - White Paper - Modes of Operation for EMC Testing

2015-09-14 Thread Michael Derby
Hello, Yes, I think taking the comments to GEL 210 would be on the agenda for this working idea. ETSI too, of course. The history of it is this Some members had noticed a lot of EMC test reports which simply don't explain how the device was tested, monitored or assessed for compliance. Ima

Re: [PSES] Best design practices to keep CM currents off a USB 2/3 cable given an unshielded enclosure?

2015-09-14 Thread Pawson, James
Hi Ken, Assuming your problem is radiated emissions I guess it depends at what frequencies your problem emissions are at. If they are harmonics of the USB data then it could be poor signal balance (a common mode choke could help) or perhaps poor cable shielding (very likely with USB). If they a