I would call it a carrier system, a pulsed system similar to radar, though operating at kHz instead of GHz. It carries 1 bit of information to the system, present or not present.
Don Umbdenstock Manager Compliance Engineering Tyco Safety Products / Sensormatic 6600 Congress Avenue Boca Raton, FL 33487 USA 561.912.6440 [email protected] From: John Woodgate [mailto:[email protected]] Sent: Monday, July 11, 2005 3:43 PM To: [email protected] Subject: Re: Radiated emission measurement below 30MHz [email protected] wrote (in <AE34E7FDD9D01F42994924D4C4EB6A4F09906B72@flbocexu05>) about 'Radiated emission measurement below 30MHz', on Mon, 11 Jul 2005: >When doing 2 point roll-off calculations for inductive loop systems, >one would expect 3rd order roll-off for simple, non-canceling loops in >the very near field such as with 50 kHz. What sort of inductive-loop systems are these? Carrier systems or baseband audio? -- Regards, John Woodgate, OOO - Own Opinions Only. Deadlines are 90% of deadliness. http://www.jmwa.demon.co.uk Also see http://www.isce.org.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/listserv/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: Richard Nute: [email protected] Jim Bacher: [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/listserv/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: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
