[Elecraft] K3. Hi/lo cut

[Don Wilhelm]

  Mike,

They are both done in the DSP IF, not at audio.
They are two different ways of achieving the same thing.  I use width 
and shift for CW, but use HI/LO cut for SSB.  As you indicated, the 
voice signal retains intelligibility if only HI cut is changed, but 
looses intelligibility quickly as the LO cut is move much above 300 Hz.

73,
Don W3FPR

On 10/29/2010 7:40 PM, Mike Rodgers wrote:
> It was mentioned in the roofing or if filter post that using hi/lo cut was easier than bandwidth shift. That you can see the filters change as you bring hi cut down.
> I thought width and shift was in the I F and cut in the audio. Are they essentially the same or have the same effect ?
>
> Signed confused
>
> Happy QSO'ing.       Mike R
>
>
>
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