Ralph:
Assuming we are talking about AM, the power of the modulating audio is added to the RF in the sidebands of the RF carrier. 80% of 20 is 16. 20 + 16 =36. It’s all linear if the modulation is clean. Fred Townsend _____ From: [email protected] [mailto:[email protected]] On Behalf Of Ralph McDiarmid Sent: Wednesday, August 15, 2007 1:45 PM To: [email protected] Subject: RE: field strength and modulation I’ve been informed that a 20V/m field when modulated to depth of 80% produces a 36V/m field strength. Would someone explain how that works. I’m puzzled. Thanks, Ralph McDiarmid, AScT Compliance Engineering Group Xantrex Technology Inc ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________ - ---------------------------------------------------------------- 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 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
