[time-nuts] DC Voltage Ramp?
Tom Van Baak
tvb at leapsecond.com
Sun Sep 4 05:34:01 UTC 2005
> I was thinking of using a Datum 1000B Ultra Stable Oscillator (the one
> used in the FTS 4060 Cesium standard). The data sheet says that after a
> few years the aging rate gets down to parts in E-12/day. I would think
> that the Allan plot would be cleaner if the control voltage was well
> behaved than if it was derived from a noisy process like GPS or maybe
> Cesium.
The 1000B makes a good standalone standard.
What tau range of the Allan plot were you thinking
of making cleaner?
Note that frequency standards like the HP 105B
use a very clean control voltage: a 10k pot.
/tvb
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