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

[Bill Coleman]

On Jul 9, 2007, at 2:59 AM, David Woolley wrote:

> 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.

What I wrote about in 1995 was the entire receiver as a very simple  
bit of hardware, and then lots of software.

I've seen several attempts at computer/radio integration, but they  
all used far more hardware than I imagined. That's why I used the  
future tense.

> 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.

The technology has been around a while. It's just waiting to be  
applied to amateur radio....

Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
Quote: "Not within a thousand years will man ever fly!"
             -- Wilbur Wright, 1901