[time-nuts] OCXO and fluctuations after EFC adjustment
Taka Kamiya
tkamiya9 at yahoo.com
Fri Apr 10 17:02:30 UTC 2020
I have a few HP10811 and was thinking of making an interesting setup: A setup where frequency is purposely offset by user defined amount by few Hz, and make it selectable.
Under normal setup, I would use a potentiometer and EFC control the frequency. When I adjust EFC, the frequency immediately moves but then drifts. It takes an hour or so to settle down again, then I have to readjust. Due to precision of my testing setup, I am unable to quantify this.
Is this a nature of OCXO in general or is this unique to HP10811?
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(Mr.) Taka Kamiya
KB4EMF / ex JF2DKG
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