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

[cfo]

On Sun, 22 May 2016 19:41:25 +0200, Bernd Neubig wrote:

> Hello Fellow time-nuts,
> I am looking for a simple solution to discipline my 10 MHz reference
> OCXO in my private lab with an 1 PPS signal from a separate GPS
> receiver.
> I am curious if there is a solution possible without programming a
> microcontroller, as I am an old-fashioned "analogue" guy ;)
> I am well aware, that such a solution would have a lot of disadvantages,
> as it cannot effectively compensate for short-term variations. However I
> would be happy if such a KISS solution could achieve  a stability (STS)
> of better 1E-10 over an hour. I know this is a damned long integration
> time for an analogue integrator...
> If that sounds too weird, I am open to receive advises for a
> microcontroller based solution.
> 

Bernd - Get a gps with 10Khz or more out , i think the 10Khz jupiters are 
"gone" , but a LEA5-T or LEA6-T could output ie. 1Mhz , the divide the 
OCXO by 10 and phaselock the 2.

Use "millers" XOR 
http://www.jrmiller.demon.co.uk/projects/ministd/frqstd0.htm

Or this one using a 4046
http://gpsdo.i2phd.com/


Pure "Analog"

CFO
Denmark