[Elecraft] K3 LoCut/HiCut

[Nate Bargmann]

* On 2010 24 Nov 16:04 -0600, Ramiro Aceves wrote:
> Hi K3 fans
> 
> Speaking about HI and LO Cut controls. I have notice this:
> 
> Tune a carrier at for example, 1 KHz tone.
> Set a computer waterfall with enough frequency resolution to see  few Hz 
> changes
> Play with HI and LO Cut controls up and down (of course, let the 1 KHz 
> signal pass trough the filter).
> 
> Result, the carrier frecuency will be shifted by a few Hz.
> 
> Do you hace same results in your K3?

Yes.  If you don't want FC to change, switch to the Width/Shift controls.
It's a feature, not a bug (TM).

> Do Low and Hi Cut controls only have effect on the DSP filters?

I would presume so as my understanding is that all of this "magic" takes
place in the DSP and the crystal filters operate at a fixed offset, if
required.

73, de Nate N0NB >>

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