At 10:35 AM 10/30/02 +1300, Russell McMahon wrote: >A resistor in parallel with a zener may give you a better result. That is essentially the same as the suggestion I made. However, my original reasoning still stands: you want the magnetic field to decay as fast as possible which means that you want ZERO current to flow. That means allowing the voltage to rise as high as possible before allowing current flow - the zener does this. I *think*. dwayne -- Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax Celebrating 18 years of Engineering Innovation (1984 - 2002) .-. .-. .-. .-. .-. .-. .-. .-. .-. .- `-' `-' `-' `-' `-' `-' `-' `-' `-' Do NOT send unsolicited commercial email to this email address. This message neither grants consent to receive unsolicited commercial email nor is intended to solicit commercial email. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads