[Elecraft] KDSP2 sound vs the KAF2

Vic Rosenthal [email protected]
Thu Jul 24 13:55:01 2003


James Hammons wrote:
>     If you miss the sound of the KAF2 you might get rid of the LoPass
> which are the default first filter in all modes.  The 8khz sample rate
> gives the filter a 4khz passband, the KAF2 has a 3khz filter in the
> circuit all the time.  using 0.2 and 2.7 instead of LoPass made me
> happy.  

Unfortunately this doesn't work on CW.  The maximum bandwidth in the CW 
mode appears to be 800 Hz, which is what I have my C2 filter set to.  I 
would like to have a C1 filter with a b/w of about 2 KHz for use as a 
hiss filter, but I haven't been able to figure out how to do this.

Vic K2VCO