[Elecraft] K2 APF implementation?

[Ron D'Eau Claire]

I didn't say the KAF2, Bill. I'm speaking of the Elecraft AF1 Mini-module. 

The circuit in the AF1 is an active filter of the type the APF emulates in
DSP. 

Ron AC7AC 

-----Original Message-----

Ron D'Eau Claire wrote:
> 
> Jeff, I have compared the K3's APF with the filter offered in Elecraft's
> AF-1 Active Filter mini-module kit. There is no difference I can hear in
> the
> performance. Actually the AF-1 has more flexibility since you have two
> levels of "Q" to choose from, variable gain, and an independent variable
> low-pass filter function.
> 

Ron, when I read this I didn't think it sounded like the KAF2 I have, so I
checked the manual (you wrote it?)  Per the specifications...