[Elecraft] K3 - DSP IF Width Increment
Tom Childers, N5GE
n5ge at n5ge.com
Wed Jul 9 16:18:44 EDT 2008
On Wed, 9 Jul 2008 07:09:49 +0100, Ian White GM3SEK <gm3sek at ifwtech.co.uk>
wrote:
>Doug Joyce wrote:
>>
>>Having ordered a K3 at Dayton, I've been following the recent
>>discussion on DSP vs. Roofing Filter for bandpass width determination
>>with great interest. In that regard, I have a quick question - what is
>>the width increment available by adjusting the DSP. Based on some of
>>the recent postings it seems like it might be 50 Hz but would someone
>>please confirm.
>>
>
>This may be a good moment to repeat the request for width/shift/hi/lo
>increments to scale down automatically with the bandwidth. At SSB
>bandwidths, 50Hz increments feel smooth and continuous, which is exactly
>how they should feel; but at narrow bandwidths a 50Hz change is a big
>jump, and much more tricky to select.
>
>Obviously this isn't a trivial piece of coding, but it would be good to
>know that "IOTL".
I don't know how much trouble it would be to program, but wouldn't it be nice if
it was selectable? Then I could have what I like (10hz like the Orion II) and
you could have what you like. That would also cover being able to choose large
steps when you're in a hurry and small when your being particular.
Tom, N5GE - SWOT 3537 - Grid EM12jq
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