I read in !emc-pstc that [email protected] wrote (in <LFENJLPMMJB [email protected]>) about 'Duty cycle - transmitting on power lines', on Thu, 29 Nov 2001:
>f a product transmit in a time period of 1 second pr hour, should it during >conformity testing be in this normal transmit mode, or should it be set in a >continuous transmitting mode which will be a kind of worst case situation, >but anyway not a realistic situation when installed out on the field ? > >I ask this question because the product will send 1 seconds burst on a >powerline communication in the band 100kHz-400kHz and that will make >problems for the Conducted emission test in the same frequency range. This is an example of why we need official 'interpretations' of EMC standards, as we are now getting for safety standards. Take the matter up with your national standards committee. -- Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk After swimming across the Hellespont, I felt like a Hero. ------------------------------------------- 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: Michael Garretson: [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: No longer online until our new server is brought online and the old messages are imported into the new server.
