[time-nuts] Setting Rubidium to match GPS source

[Hal Murray]

> Our EFC output is 0V to 5V, so you can set the 10811 with the
> mechanical adjust to have a nominal voltage of 2.5V, I did that to
> one of my 10811's, works perfectly.

> If an OCXO needs -5V to 5V (some Wenzels need that for example) then
> a simple external Opamp circuit can shift the range from unipolar to
> bipolar. 

How stable is a typical well-designed DAC output over temperature and 
whatever?

What about a couple of extra op-amps?


Do any OCXO vendors offer the DAC inside the oven with a digital interface?  
That seems like the obvious way to reduce temperature dependencies.
 


-- 
These are my opinions, not necessarily my employer's.  I hate spam.