[Elecraft] APF For K3: progress report

[Ken Chandler]

This is a really good thread and I'm enjoying reading the theory!
I'm always being called off frequency during contests so SHIFT would be the obvious choice!
Being an ex FT2000 owner I used the contour settings and it was bril.

Ken..G0ORH 

CW4EVER

Sent from my iPhone

     


On 26 Oct 2010, at 03:12, Wayne Burdick <n6kr at elecraft.com> wrote:

> For the same reason that they want to use SHIFT: because sometimes  
> stations call you off-frequency.
> 
> Wayne
> 
> On Oct 25, 2010, at 6:50 PM, Wes Stewart wrote:
> 
>> Wayne,
>> 
>> Understood, but why would anyone want to have a filter peaked at  
>> other than the nominal sidetone pitch?  I realize people are asking  
>> for it, but it makes zero sense to me.
>> 
>> Wes
>> 
>> --- On Mon, 10/25/10, Wayne Burdick <n6kr at elecraft.com> wrote:
>> 
>>> 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
>>> 
>> 
>> 
>> 
>> 
> 
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