|[AMRadio] Subj change - HB designs|
ars.w5omr at gmail.com
Tue Jul 24 20:18:31 EDT 2007
Jim Wilhite wrote:
> You are right Tony. Why do 3 or 4 of them requiring a lot of filament
> current when one could use one 4-250 or 4-400 or even two 4-125s.
> One 4-65 will only give 100 watts out in ideal circumstances if run
> full bore. Might as well have a DX 100.
That's kind of the plan, Jim. I want to build a table-top transmitter,
using a single 4-65, modulated by a pair, in AB1.
I have a modulation transformer with a screen winding on it. I could
use a common supply, running around 2kV from a BC-610 plate transformer
and a pair of 866's.
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