[Amps] Maximum RF output in practical application: 4-250A

R L Measures r at somis.org
Mon Jul 3 15:27:01 EDT 2006


On Jul 3, 2006, at 9:21 AM, Jim Tonne wrote:

>
>>> I do not believe that 90% is possible in a linear amplifier that
>>> can be QSYed.
>
> *There*   are the keys:   it is NOT a linear amplifier and it is NOT
> easily QSYd.   And while we are at it, the modulator itself does
> not enter into the picture.  RCA correctly claimed 90% (or
> better) efficiency in the PA itself.  I have seen such efficiencies
> in an AM rig myself.  But they were "ordinary" AM rigs, fixed-
> frequency and not a piece of cake to tune.

My suspicions are validated.  tnx, Jim.
>
> - Jim WB6BLD
>
>
>
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R L MEASURES, AG6K. 805-386-3734
r at somis.org





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