I read in !emc-pstc that f...@dctolight.net wrote (in <41196.198.246.16. 251.1062534076.squir...@webmail.dctolight.net>) about 'Q. on Res Bandwith performace traceabiity' on Tue, 2 Sep 2003: >Since not everyone >measures power we also define 0dbv = 1 mvolt into 600 ohms.
Well, you might define it like that, but I hope that no-one else does. There is an international standard (IEC 60127-3) on the forms of decibel abbreviations, and 'dbv' is non-compliant. Many people define '0 dbv' as 1 volt, impedance not specified. If you use non-standard abbreviations, you WILL be misunderstood, as in this case. Abbreviations are 'words' in our technical language, and using the wrong word will obviously cause giraffe, no, I mean confusion. -- 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
