I read in !emc-pstc that Ken Javor <ken.ja...@emccompliance.com> wrote (in <bb480cc1.366c%ken.ja...@emccompliance.com>) about 'self blinking LEDs as EMI sources WAS: LED lamps' on Sat, 26 Jul 2003: >I agree with most of Mr. Woodgate's commentary, but I wonder if the >presence of even an rf emission (as contrasted to 50 Hz) should cause >any problem to a land-line phone with a wired handset. It wouldn't seem >likely that the power available from a couple AA batteries would be >sufficient for that.
It's maybe a question of proximity, but I agree that I was reaching for an explanation. >Now if it were a cordless phone and there were an >rf emission in band to the cordless link, that would be much more >credible. The OP didn't mention that: if it is, it reminds me of the story of the sailor who reported to a newspaper that his broken leg had been cured in three days by wrapping it in oakum and tarring it. After many protestations of disbelief, he disclosed that the leg was made of wood. -- Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk Interested in professional sound reinforcement and distribution? Then go to http://www.isce.org.uk PLEASE do NOT copy news posts to me by E-MAIL! This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: emc-p...@hypercom.com Dave Heald: emc_p...@symbol.com For policy questions, send mail to: Richard Nute: ri...@ieee.org Jim Bacher: j.bac...@ieee.org Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc