This is an old revision of this page, as edited by Charles Matthews(talk | contribs) at 10:14, 20 November 2004(Zero Crossing Threshold Detector moved to Zero crossing threshold detector). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.Revision as of 10:14, 20 November 2004 by Charles Matthews(talk | contribs)(Zero Crossing Threshold Detector moved to Zero crossing threshold detector)