[time-nuts] Can a quartz crystal go off by 2% ?

[Dr. David Kirkby]

Bruce Griffiths wrote:

> If the trimmer in in series with the crystal and not shunted by another 
> capacitor then the crystal will no longer control the oscillator frequency.
> 0.1pF or 0.01pF in series with a tuning fork crystal instead of the 
> nominal value (20pf?) will make a singnificant difference.
>> Thanks for the idea of the ferrite rod.
>>
> Bruce

Thank you. I guess thats a possible failure mechanism, though if there is no 
control, I'd doubt it would keep 98 % accurate. I would have expected it to stop.


Dave