Great paper Ken – Thanks for sharing! From: Ken Wyatt <[email protected]> Sent: Tuesday, March 31, 2020 8:40 AM To: [email protected] Subject: Re: [PSES] HDMI distribution amplifier (1:4) and HDMI cable recommendations?
This message originated outside of DISH and was sent by: [email protected]<mailto:[email protected]> 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 troubleshooting - at no obligation. I'm always happy to help! Kenneth Wyatt Wyatt Technical Services LLC 56 Aspen Dr. Woodland Park, CO 80863 Phone: (719) 310-5418 Web Site<http://www.emc-seminars.com> | Blog<https://design-4-emc.com> The EMC Blog (EDN)<https://www.edn.com/electronics-blogs/4376432/The-EMC-Blog> Subscribe to Newsletter<http://www.emc-seminars.com/Newsletter/Newsletter.html> Connect with me on LinkedIn<https://www.linkedin.com/in/kennethwyatt/> On Mar 31, 2020, at 7:59 AM, James Pawson (U3C) <[email protected]<mailto:[email protected]>> wrote: Adam, I’ve been having success with these HDMI cables. Not dissected one yet but they seem to be pretty good from a radiated emissions point of view. You’ll have to check if they are available in the USA. https://www.amazon.co.uk/dp/B01K1X1QV2/ref=pe_3187911_189395841_TE_dp_1 No experience on switches I’m afraid. A piece of equipment could meet the HDMI specification easily but be absolutely terrible for EMC so Adopter status isn’t necessarily useful from an EMC perspective. If you have HDMI signal integrity analysis tools available then you can verify signal quality but that’s out of most peoples budget. Mid price home AV equipment might be a good place to start as this will have to meet Class B emissions. HTH James James Pawson EMC Problem Solver Unit 3 Compliance EMC Testing / Design for EMC / Problem Solving / Pre Compliance / Consultancy / Environmental & Vibration www.unit3compliance.co.uk<http://www.unit3compliance.co.uk/> 07811 139957 2 Wellington Business Park, New Lane, Bradford, BD4 8AL From: Adam Dixon <[email protected]<mailto:[email protected]>> Sent: 31 March 2020 14:50 To: [email protected]<mailto:[email protected]> Subject: [PSES] HDMI distribution amplifier (1:4) and HDMI cable recommendations? I would appreciate HDMI DA/splitter and cable recommendations for a test lab requiring a minimum of 4 HDMI displays. There was 2017 discussion about "quiet" TV's and cables. I'm interested in 1:4 distribution amplifiers/splitters, as well as 10' to 25' cables. I expect I'll dissect cables again, but would love recommendations. For the 1:4 (or 1:8) distribution amplifier/splitter requirement, it looks like >50% of the manufacturers whose literature I've read are not HDMI Adopters. At the semiconductor level, I've read product briefs from five companies, all of which are HDMI Adopters. Figuring out which IC is in which DA/splitter is really expensive, so am open to recommendations, particularly if you've peeked inside well- or poor-performing modules. Cheers, Adam in Atlanta [email protected]<mailto:[email protected]> - ---------------------------------------------------------------- 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 <[email protected]<mailto:[email protected]>> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe)<http://www.ieee-pses.org/list.html> List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]<mailto:[email protected]>> Mike Cantwell <[email protected]<mailto:[email protected]>> For policy questions, send mail to: Jim Bacher <[email protected]<mailto:[email protected]>> David Heald <[email protected]<mailto:[email protected]>> - ---------------------------------------------------------------- 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 <[email protected]<mailto:[email protected]>> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe)<http://www.ieee-pses.org/list.html> List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]<mailto:[email protected]>> Mike Cantwell <[email protected]<mailto:[email protected]>> For policy questions, send mail to: Jim Bacher <[email protected]<mailto:[email protected]>> David Heald <[email protected]<mailto:[email protected]>> - ---------------------------------------------------------------- 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 <[email protected]<mailto:[email protected]>> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe)<http://www.ieee-pses.org/list.html> List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]<mailto:[email protected]>> Mike Cantwell <[email protected]<mailto:[email protected]>> For policy questions, send mail to: Jim Bacher <[email protected]<mailto:[email protected]>> David Heald <[email protected]<mailto:[email protected]>> - ---------------------------------------------------------------- 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 <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
