[Elecraft] K3 and whats next from Elecraft

[Lynn W. Taylor, WB6UUT]

On 8/19/2013 7:21 AM, Arie Kleingeld PA3A wrote:
> The K3 has enough software and also in the filtering, but it depends 
> HEAVILY on the analog IF filtering.
> It is a combination, that's why I call it a hybrid. 

Consider for a moment an SDR with no analog filtering at all.

How wide would the passband be?  Are we going to cover everything from 
MF to 6m?

The A-D converter is going to have to convert everything coming in, and 
the DSP is going to have to sort out what you want out of everything 
coming in: broadcast, other services, noise 50 MHz wide, and who knows 
what else.

I'd rather have the DSP concentrate on a smaller bandwidth signal, and 
have the processing power available for the few MHz I care about at any 
given time.