[time-nuts] GPS lock of the FE5680. Current experiment and question

[Chris Albertson]

On Fri, Feb 10, 2012 at 4:48 PM, paul swed <paulswedb at gmail.com> wrote:
> Hang on here. If the signal was 10 MHz for ref and RB its easy as suggested
> here XOR gates and such.
>
> But the GPS is a 1 second interval and the RB is 10 Mhz. So the GPS 1
> second is the reference. Thats much harder then dealing with 100 Hz or up.

Why is the count so low?   If a counter i being driven by a 10MHz
signal it would reach "3" quickly.  What I read was that one signal
was incrementing it while another was decrementing and then after a
long time the result was close to zero.


Redondo Beach, California