I'm getting close to order a K2 but I have a few
questions.
The K2 would be for CW operation only.
...
I have decided not to order the DSP filter but perhaps
the passive
audio filter. The passive audio filter appears to be
set up for
80hz bandwidth which is way too narrow for my liking.
Is there
any easy way to change that for 250hz bandwidth?
One of the neat things the DSP can do is if you run the
radio with the widest filter (CW filter set at its widest
is OK since you aren't concerned much with passband
ripple) and set the DSP to denoiser, then the radio is
generally quiet. When a signal appears in the passband,
the DSP passes it, still suppressing most of the band
noise.
If the band gets crowded, you can tighten both the IF
filter (a great feasture of the K2) as well as the DSP
filter. Set them both to 250 Hz if that is your prefered
bandwidth...
Enjoy!
Lyle KK7P/VK6
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