[Elecraft] KDSP2

Wolf-Ruediger Juergens [email protected]
Wed Jul 23 12:46:01 2003


Hello Lyle,

> > The filters are very powerful, but the noisereduction in cw mode is
> > a little bit strange. Sometimes the cw sounds chopping. I played
> > with the parameters and set the decay to 32, this gives me a better
> > sound.
>
> This can happen especially with weak signals.

Yes, only with weak signals (<S1) the cw using noisereduction sounds a 
little bit ugly. 

> In LPASS mode or BYPASS mode, the hiss will be present. It shouldn't
> be there with other filters, though.

In LPASS or BYPASS the hiss is much more audible, in filter mode there 
is a very fine hiss in my headphones. I assume this is also a side 
effect from using hifi headphones with the higher bandwith ? 

> > It is possible for later
> > revisions of the KDSP2 that the first stage (lowpass) of the KAF2
> > or something similar can be inserted on the KDSP2?
>
> I am not sure where to fit the parts on the PC board! :-(

more SMT  parts? ;-)

72 Wolf, DL2WRJ
-- 
Old programmers never die.  They just branch to a new address.
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