In message <ae34e7fdd9d01f42994924d4c4eb6a4f0d788...@flbocexu05.americas.tsp.ad>, dated Mon, 7 Aug 2006, "UMBDENSTOCK, DON" <[email protected]> writes >Does anyone know if there is a standard that describes the interference >requirement for a 2 way radio in close proximity to essential location >electronics? For example, EN301489 specifies radiated immunity levels >of 3 V/m @ 3m. But the field level of a 2 way radio 5 inches away from >a device may have a field of 60-70 V/m. Is there a standard that >describes immunity to such positioned equipment? Perhaps for critical >communications equipment?
I don't think so, in civilian standards. Devising a repeatable method of measurement seems very difficult. I use a crude parallel-plate apparatus to get an idea of the comparative immunity of small audio products, but it wouldn't be suitable for a standard. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk 2006 is YMMVI- Your mileage may vary immensely. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html 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] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________

