> I'm planning on a bridge rect with filter cap to get 120V DC, then > (using a pic of course), PWM @ 400 Hz an NPN (MPSA42) controlling the > 120V. If you're rectifying a normal 120V AC power line, then you will end up with around 170V DC. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.