[Elecraft] K3 RS323 and Data Modes {was YAQ - Yet Another (K3)Question}

[David Woolley]

Bill Coleman wrote:

> What you'd end up with for the "receiver" would be a Mixer and clean 
> DDS, followed by a high-speed, wide-range A/D converter. Everything else 

I don't understand why you write about such things as in the future. 
There are several products on the amateur market, although I don't know 
if any of them use a DDS VFO.

> The interesting part of this approach is that we can re-define what we 
> mean by a receiver. The detection portion of the radio need not resolve 
> to the width of an audio channel. Consider a receiver that can decode 
> every CW signal in a 50 kHz portion of the band. Simultaneously. How 
> useful would that be?

The telcos where doing direct digital conversion from analogue carrier 
systems to multiple PCM channels a long time ago.  I think before your 
1995 article.


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David Woolley
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