hey all, Harry has joined Mike as a list member published in EDN's Ideas For Design. Check it out: Envelope follower combines fast response, low ripple Harry Bissell, Royal Oak, MI -- EDN, 12/26/2002 http://www.e-insite.net/ednmag/index.asp?layout=article&stt=000&articleid=CA265499&pubdate=12/26/2002&spacedesc=designideas