I read in !emc-pstc that Hans Mellberg <[email protected]> wrote (in <[email protected]>) about 'Question on Receiver EMI testing..' on Wed, 30 Oct 2002: >That reminds me of a set-top b-b receiver I was testing long ago. While it met >all >the class B specs both rad and susc., when placed on top of a TV there were >interference issues because of the close proximity! (both from the TV and from >the >set-top!) >Depending on your application, you may often have to test beyond the limits if >your >clientel is to remain satisfied!
Indeed; we had this problem with some early VHS VCRs. Remember that the emission limits relate to 3 m or 10 m separation, not 2 cm! -- 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: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
