[Elecraft] KX2, KX3, and supply voltage vs. power output

[Jim Brown]

On Tue,5/24/2016 12:56 PM, Wes wrote:
> Fortunately CW is neither an unmodulated carrier nor is it 100% 
> modulation by a square wave.  Dots with no waveform shaping would be a 
> square wave; dashes are never a square wave.
>
> Keyed CW is none of the above.

OK, 100% modulation of a carrier by a rectangular waveform having 
variable timing. :)

It still comes down to the fact that turning on and off the carrier 
creates harmonics, the rise and fall time determine their relative 
strength and order. and the random timing spreads out the spectrum a bit.

73, Jim K9YC