Listmembers might be interested in some of my articles on circuit analysis. Some of them are archived at http://www.broadcast.net/~hhallika . Go to the theory section. Harold ___________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at http://www.juno.com/getjuno.html or call Juno at (800) 654-JUNO [654-5866]