[Elecraft] K2 and HW-101?

[Vic Rosenthal]

N2EY@aol.com wrote:
> 
> K2VCO said:
> >  Well, you could just use a 1-4 toroidal transformer
> > between
> >  the input and a 200 ohm swamping resistor.
> 
> That might work, if the toroidal transformer can drive the capacitive load of
> the tubes over the frequency range. Neutralizing would be disabled and a TR
> system installed.

You might have to add a small inductance to tune out the reactance the
grid-cathode capacitance on 10 meters, which is effectively in parallel with the
swamping resistor.  This is annoying, because we are trying to get away from
input circuit bandswitching.

73,
Vic, K2VCO
Fresno CA