Re: APF For K3: progress report

Posted by Andy Faber on Oct 26, 2010; 3:20am
URL: http://elecraft.85.s1.nabble.com/APF-For-K3-tp5671688p5673262.html

Wes,
  If you are running on 160 or 80 in a contest and a weak signal calls you
slightly off frequency, it's handy on the FT1000D to move the apf freq
around to find him and enhance his signal.  In theory you could do the same
with the RIT, but it can be easier to move the apf, particularly if there is
more than one weak signal.  Maybe it's just personal preference, but I do
like that feature.
  73, andy, ae6y

--------------------------------------------------
From: "Wes Stewart" <[hidden email]>
Sent: Monday, October 25, 2010 6:50 PM
To: "Wayne Burdick" <[hidden email]>
Cc: <[hidden email]>
Subject: Re: [Elecraft] APF For K3:  progress report

> 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 <[hidden email]> 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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