[time-nuts] Simple solution for disciplining OCXO with 1 PPS

Wes wes at triconet.org
Tue May 24 16:48:15 EDT 2016


A cleaver design, but the OP wanted 1pps.  I have the Leo Bodnar GPSDO.  It too 
is a nice frequency standard, but it doesn't know what time it is.

On 5/24/2016 9:53 AM, Graham / KE9H wrote:
> If you want an "existence proof" for a simple, mostly analog, a few digital
> counters, no software or microprocessor GPSDO, look at the "Miller" GPSDO.
> He designed it for his own use, then put it into production because of
> demand for a simple, cheap GPSDO.  It has been characterized, and works
> well for the simple circuit.
>
> The schematics are published, since it started as a hobby project.
>
> http://www.jrmiller.demon.co.uk/projects/ministd/frqstd0.htm
>
> http://www.jrmiller.demon.co.uk/projects/ministd/frqstd.htm
>
> You can buy his, or build your own with his design as a starting point.
>
> He does use a GPS with 10 kHz output to simplify some of the timing and
> integration issues Bob referred to.
>
> --- Graham
>
> ==
>



More information about the time-nuts mailing list