[Elecraft] Checking offset of K3 IF filters

[Fred Jensen]

That's the method for aligning the K2 filters recommended by Don, 
W3FPR.  It works great for the K2, I don't see why it wouldn't work for 
a K3 also. That's a cool pair of calls too!

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

Jon Iza wrote on 3/2/2023 11:11 PM:
> Folks,
> some K3 filters have an offset with respect to the IF central
> frequency that the firmware on the rig can compensate. Sometimes the
> "offset labels" are gone and poking a zero offset on the configuration
> is the only option.
> I guess that feeding noise into the antenna and using an audio
> spectrum analyzer may help to visually see the filter response, and
> check if that "bell" is centered or shifted.
> Am I right? Or is there a better method?
> Inquiring minds wanna know.
> jon, ea2sn / ae2sn
>



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