> One last thing: I don't think that the +V at the top of this second circuit is > supposed to be AC -- just unregulated DC, methinks. Perhaps the original poster > will have some thoughts... > Michael You're right Michael, that voltage is unregulated, not ac. My fault, not the sender's. ThanX. Jaume. ---------------------- Jaume Aragay Badia aragay@email.com ----------------------