[Elecraft] K3 bandwidth for digital modes

[Joe Subich, W4TV]

On 12/3/2009 4:47 AM, eric norris wrote:
> Is there a way to get more than 4 KHz rx bandwidth in USB or digital
> mode on my K3/ XV-144?  I have the 6KHz, 2.8KHz, and 400z filters
> installed.

No, the DSP has a fixed 4.2 KHz maximum frequency.  The most recent
DSP boards also include a fixed analog lowpass filter with a similar
cutoff around 4500 Hz.

73,

   ... Joe, W4TV