[time-nuts] Simple GPSDO

Alberto di Bene dibene at usa.net
Fri Dec 30 17:34:25 EST 2011


On 12/30/2011 8:59 PM, Murray Greenman wrote:
> 2. The excellent 10kHz design by James G3RUH 
> http://www.jrmiller.demon.co.uk/projects/ministd/frqstd.htm requires a 10kHz 
> GPS source, and folk on this group asked where you can get a modern GPS 
> module with 10kHz output. One suitable answer is any of the u-BLOX modules, 
> such as the LEA5-P. These have completely programmable pulse outputs in 1us 
> steps (width and duration). I use an older u-BLOX Antaris 4 development kit 
> which is Atmel based, and it also has a programmable pulse output.

Another very simple 10kHz design can be found here :

http://gpsdo.i2phd.com/

73  Alberto  I2PHD





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