[Elecraft] K3 vs. HPSDR Mercury receiver

[Alan Bloom]

On Fri, 2008-11-07 at 13:44, Julian, G4ILO wrote:

> If crystal filters distort the phase enough to make an audible difference on
> speech how the heck do we ever manage to receive PSK through them?

Most of the phase distortion tends to occur at the band edges.  As long
as the PSK signal is significantly narrower than the crystal filter,
distortion is minimized.

Al N1AL