rhkramer writes: > Yeah, but I wasn't thinking about actually using a CRT to display the > signal in real time, but, instead, collect samples (at maybe 4 GHz??), > store them, and then display them as a static display. At that sort of frequency sampling scopes (including the old crt ones) sample at far below the signal repitition rate. -- John Hasler jhasler@newsguy.com Elmwood, WI USA