[time-nuts] Re: FTS1050 out of range

[Bob Camp]

Hi

At 0.3 Hz, you are off by 3x10^-8. That’s not very far. Best
guess is that the unit is doing fine. It simply has aged further
than the adjustment range. It is fairly common to design an
OCXO with a range that is adequate for some number of 
years. They do indeed “age out”. 

No idea if there is a manual adjust internal to the unit. 

Bob

> On Feb 23, 2023, at 8:29 AM, AC0XU (Jim) via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> I have an FTS1050A/015 that is slightly out of range (frequency too high by 0.3 Hz with front panel adjustment set to 00000).  Does this indicate that something is wrong with the control circuitry or the oscillator, or is there an internal gross adjustment that I can use to reset the range?
> 
> Thanks!
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