[time-nuts] OCXO Vref (in)stability plot

[Poul-Henning Kamp]

In message <5174699E.9060605 at sasktel.net>, Ed Palmer writes:

>I think that Vref is derived from the internal voltage regulator that 
>powers the oscillator.  Is it possible that any noise will appear on 
>both and therefore, they'll cancel each other out?  That could even 
>reduce power supply sensitivity.

I guess that is a remote possibility, but quite frankly, I doubt it.

I think it far more likely that 10-20 microVolt is simply good enough
for what OCXO's are/were[1] normally used for.



[1] This is a pretty old OCXO.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.