[time-nuts] OCXO PLL gains?

[Richard (Rick) Karlquist]

On 2/2/2019 3:06 PM, Magnus Danielson wrote:

>>   We also used a double integrator
>> on the 5071A cesium standard, but cesium loops are NOT PLL's.
> 
> Indeed, double-integrator in FLL is a separate class of problems.
> 
> Didn't know it had double-integrator.
> 
> Cheers,
> Magnus

The 5061 had an analog double integrator using a $100 op amp.
Maybe Hugh Rice can speak about that.  You have to have the 2nd
integrator to prevent a ramping error term from turning into a
frequency offset instead of getting integrated out.

Rick