> I posted a 3-component (1-R, 1-C, 1-BJT) oscillator on s.e.d. fairly > recently, and nobody (AFAIK) was able to get it to work in the simulation, > but it works just fine in practice. Please describe the circuit ! Only so many ways to connect 3 such parts, but which is your way? I assume grounded emitter with cap to ground and res from base to collector, but maybe not. RM -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads