[K3] [Elecraft] FSK Help

Jerry Flanders jeflanders at comcast.net
Tue Jul 22 10:49:27 EDT 2008


Shifting a constant carrier back and forth does not require linearity 
in later stages - for the same reason that CW does not.

FSK goes back to at least the WW2 era. In the "olden days" class C 
amplifiers were used for FSK.

Jerry W4UK

At 10:29 AM 7/22/2008, you wrote:
>Why that - enquiring minds etc. ?
>
>Simon Brown, HB9DRV
>
>--------------------------------------------------
>From: "Jerry Flanders" <jeflanders at comcast.net>
>
>>True FSK does not require that following amplifier stages be linear.
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