> It implies the shape of a resonant circuit is > different on either side of resonance and I see no reason why this > should be so. Actually is IS different if viewed in linear frequency space. It is symmetrical in log frequency space. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body