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CW filter question

 

Adjustment of the DSP filters adjusts width and shift at the same time. ?I'm used to having width and shift as separate controls.
Can something help me understand what this adjustment is doing? ?What am I missing?
Tnx
Howard K4LXY
 

On Tue, Aug 1, 2023 at 03:20 PM, K4LXY wrote:
Adjustment of the DSP filters adjusts width and shift at the same time. ?I'm used to having width and shift as separate controls.
In the standard firmware, the filters are really made strangely. In fact, these are two consecutive BPFs. Those. only the part where the two filters intersect is passed. In an alternative firmware, I made a classic version where the upper and lower bandwidth limits are set.
 

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???

Saludos. Diego. EA1CN

El 2 ago 2023, a las 9:04, Oleg - R1CBU <belousov.oleg@...> escribi¨®:

?On Tue, Aug 1, 2023 at 03:20 PM, K4LXY wrote:
Adjustment of the DSP filters adjusts width and shift at the same time. ?I'm used to having width and shift as separate controls.
In the standard firmware, the filters are really made strangely. In fact, these are two consecutive BPFs. Those. only the part where the two filters intersect is passed. In an alternative firmware, I made a classic version where the upper and lower bandwidth limits are set.

--
TNX, Dido. EA1CN?
 

Thanks - that makes sense. ?

I looked at a very early version of your firmware. ?I'll take a look a the later version.

73 Howard K4LXY

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