[Elecraft] KDSP2 and XFIL use

Lyle Johnson [email protected]
Fri May 30 17:36:02 2003


Hello Andres!

> Seems like the the new 4 digital filters are additional to the
> crystal filters.  Does one have to narrow down both filters (i.e.
> switch FL1 to FL2 and CF1 to CF2) now in order to make the
> bandwitch smaller?  Or only the digital ones?  Or is it
> preference? (16 options seem like a lot...)

The filter settings are independent.  The AFIL button (DSP) adjusts the
audio bandwidth; the XFIL button adjusts the IF bandwidth.

To match them, you must adjust both.

To allow the DSP to track the XFIL selection would require a change in the
K2 MCU code.

73,

Lyle KK7P