WILLIS COOKE wrote:
I think you are correct if one is running FSK but most
people, at least a lot of people these days are
running AFSK, so need linear amps. One would just
about have to build a Class C amp these days anyway.
I don't know of any on the market.
Whether a RTTY signal is generated by actually shifting the frequency of
an oscillator or by driving an SSB transmitter with a single tone that
changes frequency, the result is the same: a continuous signal whose
frequency shifts between two values.
In other words there's no difference between FSK and what people call
AFSK except the means used to generate it; and it can be amplified with
a class-C amplifier if you wish!
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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