Re: [PSES] USB dongle connector shield filtered grounding

2017-06-29 Thread Ken Wyatt
ential > 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@LISTSERV.IEEE.ORG > Subject:

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-28 Thread ce-test, qualified testing bv, Gert Gremmen
). Gert Gremmen From: Ken Wyatt [mailto:k...@emc-seminars.com] Sent: Wednesday 28 June 2017 22:03 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] USB dongle connector shield filtered grounding Bill, thanks for the complement. One of my mentors, Dr. Tom Van Doren, of the University

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-28 Thread Ghery S. Pettit
There is that. But, at RF that’s more like an open circuit. J Ghery From: Ted Eckert [mailto:07cf6ebeab9d-dmarc-requ...@ieee.org] Sent: Wednesday, June 28, 2017 2:22 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] USB dongle connector shield filtered grounding 22,300 mile

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-28 Thread Ted Eckert
iki/The_Fountains_of_Paradise>. From: Ghery S. Pettit [mailto:n6...@comcast.net] Sent: Wednesday, June 28, 2017 1:55 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] USB dongle connector shield filtered grounding Don’t forget those who claim that you cannot meet EMC requirements without a good earth grou

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-28 Thread Ghery S. Pettit
persists. Ghery S. Pettit Pettit EMC Consulting LLC gh...@pettitemcconsulting.com From: Ken Wyatt [mailto:k...@emc-seminars.com] Sent: Wednesday, June 28, 2017 1:03 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] USB dongle connector shield filtered grounding Bill, thanks for the

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-28 Thread Ed Price
connector shield filtered grounding Bill, thanks for the complement. One of my mentors, Dr. Tom Van Doren, of the University Missouri - Rolla, would say “the more different “ground” symbols he saw in a schematic, the more business he knew he would get”. Ken

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-28 Thread Ken Wyatt
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 > To

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-28 Thread Bill Stumpf
t 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 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] USB dongle connector shield filtered grounding Like they say in some movi

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-28 Thread Ken Wyatt
s > Schneider Electric > > > -Original Message- > From: Bill Owsley [mailto:00f5a03f18eb-dmarc-requ...@ieee.org > <mailto:000000f5a03f18eb-dmarc-requ...@ieee.org>] > Sent: Saturday, June 24, 2017 8:33 PM > To: EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-PST

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-28 Thread Ralph McDiarmid
f5a03f18eb-dmarc-requ...@ieee.org] Sent: Saturday, June 24, 2017 8:33 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] USB dongle connector shield filtered grounding Ancient EMC mythology, well proven to be wrong and so abandoned decades ago. And still it pops on occasion and often with new twi

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-24 Thread Cortland Richmond
Johnny! Put that electron back before he screams for his daddy! Cortland Richmond -Original Message- >From: Bill Owsley <00f5a03f18eb-dmarc-requ...@ieee.org> >Sent: Jun 24, 2017 11:33 PM >To: EMC-PSTC@LISTSERV.IEEE.ORG >Subject: Re: [PSES] USB dongle connect

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-24 Thread Bill Owsley
From: "Grasso, Charles" To: EMC-PSTC@LISTSERV.IEEE.ORG Sent: Friday, June 23, 2017 10:53 AM Subject: Re: [PSES] USB dongle connector shield filtered grounding #yiv4500181799 #yiv4500181799 -- _filtered #yiv4500181799 {panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv450018179

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-23 Thread Grasso, Charles
s Grasso (w) 303-706-5467 From: John Woodgate [mailto:jmw1...@btinternet.com] Sent: Thursday, June 22, 2017 11:21 AM To: Grasso, Charles ; EMC-PSTC@LISTSERV.IEEE.ORG Subject: RE: [PSES] USB dongle connector shield filtered grounding This message originated outside of DISH and was sent by: jm

Re: [PSES] USB dongle connector shield filtered grounding

2017-06-22 Thread John Woodgate
leigh England Sylvae in aeternum manent. From: Grasso, Charles [mailto:charles.gra...@dish.com] Sent: 22 June 2017 17:52 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] USB dongle connector shield filtered grounding Greetings And just when you thought it was safe to go back in the water..!! Q: H

[PSES] USB dongle connector shield filtered grounding

2017-06-22 Thread Grasso, Charles
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 don