[Elecraft] K3S DSP filter plots

Alan n1al at sonic.net
Mon Nov 16 23:00:28 EST 2015


On 11/16/2015 07:38 PM, Dave Hachadorian wrote:
...
> The inference I drew from Lyle's response is:
> DSP 60 dB BW = DSP Setting + 300 Hz.
>
> You can see that DSP "shape factor" varies with the DSP setting,
> so it is easier to remember the DSP+300 formula.

It's worth mentioning that a similar thing happens with analog crystal 
filters.  The shape factor gets worse the narrower the filter bandwidth.

Alan N1AL


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