hi & thanks for your time ! i would like to use a pic to:- a) control a push-pull curent-mode inverter.(12v @ c.t.) b) current sense in the primary ( to control battery current) c) voltage sense in the o/p tx many switchmode ic's can do this type of thing eg the (tl494,sg1524,uc1846 to name a few ) has anybody seen or know of any code or a project like this ! i want to use the 12c508/9 *** yes i know it has no a/d converters. but it would be a challenge ! *** looking forward to hearing from you thanks once again for your help, glen !