[time-nuts] Re: Why do have OCXO a Vref output? (was: help reviving Trimble UCCM-LPS GPSDO)

[ed breya]

Many of the older VTOCXOs have the internal reference voltage accessible 
simply to use them stand-alone. A remote adjustment pot could be fed 
from the reference, and set the fine tuning voltage, without needing any 
other support from the system. Nowadays we typically tune from PLLs, and 
such, and providing a stable reference is nearly trivial, but way back, 
having a good reference right from the unit itself was (and still is) a 
handy feature.

Ed
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