Cascode circuits work well for this application. On 3/13/2012 4:07 PM, RussellMc wrote: > I think I first tried this with an ECC83 in an ARC5 receiver front end=20 > :-) Yee Ha! http://bit.ly/ARC5_Receiver_Images Russell McMahon > > I've got an ARC5 in my garage. They used to be a dime a dozen... --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .