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) <ja...@unit3compliance.co.uk> > 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 > <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 <lanterna.viri...@gmail.com > <mailto:lanterna.viri...@gmail.com>> > Sent: 31 March 2020 14:50 > To: EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-PSTC@LISTSERV.IEEE.ORG> > 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 > adam.di...@ieee.org <mailto:adam.di...@ieee.org> > - > ---------------------------------------------------------------- > 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 > <emc-p...@ieee.org <mailto:emc-p...@ieee.org>> > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > <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/ > <http://product-compliance.oc.ieee.org/> can be used for graphics (in > well-used formats), large files, etc. > Website: http://www.ieee-pses.org/ <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 > <http://www.ieee-pses.org/listrules.html> > For help, send mail to the list administrators: > Scott Douglas <sdoug...@ieee.org <mailto:sdoug...@ieee.org>> > Mike Cantwell <mcantw...@ieee.org <mailto:mcantw...@ieee.org>> > For policy questions, send mail to: > Jim Bacher <j.bac...@ieee.org <mailto:j.bac...@ieee.org>> > David Heald <dhe...@gmail.com <mailto:dhe...@gmail.com>> > - > ---------------------------------------------------------------- > 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 > <emc-p...@ieee.org <mailto:emc-p...@ieee.org>> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > <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/ > <http://product-compliance.oc.ieee.org/> can be used for graphics (in > well-used formats), large files, etc. > > Website: http://www.ieee-pses.org/ <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 > <http://www.ieee-pses.org/listrules.html> > For help, send mail to the list administrators: > Scott Douglas <sdoug...@ieee.org <mailto:sdoug...@ieee.org>> > Mike Cantwell <mcantw...@ieee.org <mailto:mcantw...@ieee.org>> > > For policy questions, send mail to: > Jim Bacher <j.bac...@ieee.org <mailto:j.bac...@ieee.org>> > David Heald <dhe...@gmail.com <mailto:dhe...@gmail.com>> > - ---------------------------------------------------------------- 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 <emc-p...@ieee.org> 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 <sdoug...@ieee.org> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
