Modulation impact when amplifying a DSB signal?
kd4e
doc at KD4E.COM
Sun Feb 15 18:13:53 EST 2009
Simple = grids & screens push-pull, plates parallel.
Perhaps using a single dual pentode tube, 6AR11.
>> I am thinking of this in terms of a QRP DSB exciter using low plate
>> voltage (125v) versus having to manage modulation at a higher power stage.
>>
>
> I'm a bit confused here. Generating clean DSB with suppressed
> carrier requires a fair amount of circuitry. If you really want
> AM (DSB plus carrier), why not modulate at the milliwatt level
> with something like a cathode modulator or the output-transformer
> scheme used in Clegg 22ers and follow it with class-A linear
> stages up to the 5-watt level.
>
> Jim Bromley, K7JEB
>
--
Thanks! & 73, doc, KD4E
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