On Sun, 18 Mar 2012 13:25:54 +0000 "Poul-Henning Kamp" <p...@phk.freebsd.dk> wrote:
> In message <4f65d971.8070...@arcor.de>, ehydra writes: > > >http://home.earthlink.net/~christrask/Complementary%20Push-Pull%20Amplifiers.pdf > > > In my implementation, it covered DC to 200MHz until I low-pass'ed it. > > > >His designs are always a good source but this one is AC-coupled ;-) > > Not in my implementation, I have eliminated the input capacitor because > the active element is 3cm from the PCB, Could you explain how the distance of the antenna to the PCB is related to a DC block capacitor? And how do you block current flowing from the input stage of your amplifier into the antenna? > and I drive the output with a centertapped transformer. Do you really mean a transformer? Or just a center tapped inductor? And how does that fit into the biasing? Or does your circuit contain more elements at the output than a transfomer/inductor and the biasing resistor? Attila Kinali -- Why does it take years to find the answers to the questions one should have asked long ago? _______________________________________________ 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.
