Re: APF For K3: progress report

Posted by wayne burdick on Oct 26, 2010; 1:03am
URL: http://elecraft.85.s1.nabble.com/APF-For-K3-tp5671688p5673044.html

Wes,

The TX and VFO frequencies won't behave any differently with APF  
turned on, if that's what you're asking. They'll still be corrected  
for your sidetone pitch, as always.

APF will behave like a tunable narrow filter superimposed on the  
normal passband. Its initial frequency would match the sidetone pitch,  
but you'll be able to move it around using the shift control.

We're still playing with it.

Wayne

On Oct 25, 2010, at 5:47 PM, Wes Stewart wrote:

> OK. Next question; can I assume then that the TX and frequency  
> readout follow?
>
> --- On Mon, 10/25/10, Wayne Burdick <[hidden email]> wrote:
>
>
>> It will in the K3 case. If you have
>> SHIFT centered, the APF filter will be at your sidetone
>> pitch. So in most cases you won't even need to do a SHIFT;
>> just turn APF on using a full counterclockwise setting of
>> the WIDTH control. SHIFT can be used if you want to tune in
>> a station that is slightly off your sidetone pitch.
>>
>> Wayne
>>
>>
>
>
>

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