[Amps] class "A" RF amp question
Tom W8JI
w8ji at w8ji.com
Wed Nov 8 19:05:21 EST 2006
> Actually low level AM generated with something like an
> FT101 and amplified
> with a linear amp can produce much better quality AM than
> most plate
> modulated AM transmitters.
> It is much easier to get low distortion modulation at low
> levels than it is
> at high levels. However the trade off is a lot of heat
> generated in the
> linear.
Truer words were never spoken.
Trying to get linear undistorted audio out of a plate
modulated tetrode or pentode is almost a joke. It takes a
low mu triode well into class C or some very special
techniques.
73 Tom
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