> > If it helps I can send you some LTSpice schematics so that you can > > simulate the circuit for yourself. > > The breadboards behave as predicted by the simulations at 10MHz. > > > > John Miles has done some preliminary phase noise measurements on his > > version. > > > > The transformers are wound on binocular ferrite cores. > > I used some 14mm (long) cores intended for 40MHz to 220MHz (I had some) > > operation in my breadboard which works well at 5MHz and 10Mhz. > > You can also use an off-the-shelf Mini-Circuits transformer for low-power > applications. The T13-1 was the one I tried. I'll stick some of > the plots > up on the web later tonight if possible.
See http://www.ke5fx.com/norton.htm for measurements and connection details of the copy of Bruce's amp that I added to my 5061A. -- john, KE5FX _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
