But John, HDMI uses a differential signalling interface which is known to provide low emissions! 8-)
-----Original Message----- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: 04 September 2014 19:44 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] FCC EMI Test and Ferrites on Cables - a conundrum In message <63e38a5b081437478c77651f3d56c64f580a3...@orsmsx102.amr.corp.intel.com>, dated Thu, 4 Sep 2014, "Pettit, Ghery" <ghery.pet...@intel.com> writes: >The problem with HDMI cables is that the HDMI standards for the cables >do not specify that the shields be terminated. Is anyone complaining to HDMI about that? It seems incredible, considering the status of the consortium companies that developed the interface, that the EMC issue was not treated in depth. Even if shielding was deemed optional (why?), at least the termination of shielding could have been specified. -- OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk Quid faciamus nisi sit? John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - ---------------------------------------------------------------- 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 <emcp...@radiusnorth.net> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <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 <emcp...@radiusnorth.net> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
