[WriteLog] What's wrong with AFSK? was - 5 bit mystery unraveled

[Jim Smith <jimsmith@shaw.ca>]

It seems to me that the cognoscenti prefer FSK to AFSK.  I have never 
seen any reasons for this preference, probably because I haven't looked 
in the right place.  So, what's the problem with just sending AFSK to 
the radio, thereby eliminating the need for an AFSK to FSK converter?

Bill Turner wrote:

> On Sat, 28 Feb 2004 06:50:04 -0600, Bob Naumann - N5NJ wrote:
>
>  
>
> > For the time being, if you want to control your radio, and you want to run FSK, you will need 2 serial ports. 
> >    
>
> _________________________________________________________
>
> I wonder if it might be possible to make an AFSK to FSK converter?  A
> simple detector which would be driven from the soundcard output,
> detecting the mark and space audio tones and converting them to a DC
> level suitable for driving the FSK input?  Perhaps a PLL type circuit?
>
> It might miss a cycle or two of the 2125 Hz audio during switching, but
> I doubt if the timing is that critical.  What do you think?
>
> --
> 73, Bill W6WRT
> QSLs via LoTW
>
>
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>  

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