[Elecraft] What crystal filters for the K3 are linear phase delay (constant group delay) ?

[Jim Brown]

On 4/21/2014 1:59 PM, Larry Lopez wrote:
> But what about:
>
> very weak signals reducing the bandwidth increases the signal to noise
> ratio.
> very strong signals reducing the bandwidth can prevent the DSP chain from
> desensitizing the receiver and/or saturating the a/d converter.

Joe is well aware of the issue. Hiss answer that the phase distortion 
issue trumps S/N ratio. You may want to study what he has had to say on 
the issue. Joe reads the WSJT list.

73, Jim K9YC