[time-nuts] Radio with GPSDO

Jim Lux jimlux at earthlink.net
Wed Apr 24 07:33:26 EDT 2013


On 4/23/13 6:54 PM, lists at lazygranch.com wrote:
> http://www.aorusa.com/receivers/ar2300.html
>
> Just a FYI.
>

Interesting..

I see they use the OEM GPS from Garmin.  I wonder what kind of DO 
performance they get, and whether they actually discipline the 
oscillator or just measure it.  Since they've got a DDS, they could use 
a quiet fixed OCXO, undisciplined, and just adjust the DDS control word.


Fascinating, also, that they provide a raw I/Q sample output.  Clearly, 
that's the way of the future, and it makes sense.



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