Re: [PSES] Question re: Measuring a signal in a noisy environment

2019-04-19 Thread Ghery Pettit
Nope. šŸ˜Š From: DEREK WALTON <00734758d943-dmarc-requ...@listserv.ieee.org> Sent: Friday, April 19, 2019 7:33 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Question re: Measuring a signal in a noisy environment Whoo Boy Ghery, you know I canā€™t leave this reply alone, LOL..

Re: [PSES] Question re: Measuring a signal in a noisy environment

2019-04-19 Thread Ghery Pettit
Derek, ISO/IEC 17025:2005 is a great document. However, some of the statements you made below are not entirely correct, based on what Iā€™ve seen at a few labs (and not all that far in the past). Much of the problem can be traced to auditors who know 17025 forward and backward, but donā€™t kno

Re: [PSES] Question re: Measuring a signal in a noisy environment

2019-04-19 Thread John Woodgate
I doubt anyone would disagree with that. But if a company allows a test house to impose compliance, how can it know that the result is reliable? Best wishes John Woodgate OOO-Own Opinions Only J M Woodgate and Associates www.woodjohn.uk Rayleigh, Essex UK On 2019-04-19 21:09, Grasso, Charles wr

Re: [PSES] Question re: Measuring a signal in a noisy environment

2019-04-19 Thread Grasso, Charles
With all due respect I made a different text section: ā€œUltimately, I sold reliable answers..ā€ (underline added by me) That is all I am looking for as a customer. Thanks! Charles Grasso W: 303-706-5467 From: John Woodgate [mailto:j...@woodjohn.uk] Sent: Thursday, April 18, 2019 1:43 PM To: EMC

Re: [PSES] Question re: Measuring a signal in a noisy environment

2019-04-19 Thread Cortland Richmond
Amen! Compliance and performance ā€“ quality ā€“ has to be designed in at the beginning or people like us will have to fix problems later and any savings realized by skimping on quality will have been wasted. I resigned from AST Research in 1997, and drove North following Comet Hale-Bopp (really!)

Re: [PSES] JDQ 202 Specification.

2019-04-19 Thread John Woodgate
The term is not in Electropedia, but that's IEC. I don't know if ISO co-operates with the IEC on Electropedia, but the ISO search engine is hopeless if you don't know the exact keyword to use. The Online Browsing Platform is no better; it finds individual words in the search phrase 'pulse cycle

[PSES] JDQ 202 Specification.

2019-04-19 Thread DEREK WALTON
Hi All, Iā€™m Running an ISO 7637-2 Pulse 2b test, but in accordance with Section 21 of JDQ202. There are a few differences, and one thatā€™s perplexing me is the term Pulse cycle time in the JDQ document. Pulse 2b is rather a long pulse lasting about 2 1/2 seconds. It is simulating some of the