I want to thank everyone who responded to this thread. I am still experimenting with several designs,but now with more knowledge about the situation. When this project is finally finished,it will go on my web site,so anyone who is interested can see how the problem was finally (I hope!) solved. Thanks, Sean | | Sean Breheny | Amateur Radio Callsign: KA3YXM | Electrical Engineering Student \--------------=---------------- Save lives, please look at http://www.all.org Personal page: http://www.people.cornell.edu/pages/shb7 mailto:shb7@cornell.edu ICQ #: 3329174