[Elecraft] Re: K2 and digital modes

[Jim Cox]

Exactly correct
Jim K4JAF

----- Original Message ----- 
From: "Vic K2VCO" <vic at rakefet.com>
To: "WILLIS COOKE" <wrcooke at flash.net>
Cc: <elecraft at mailman.qth.net>
Sent: Friday, March 21, 2008 4:05 PM
Subject: Re: [Elecraft] Re: K2 and digital modes


> 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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