[time-nuts] Improving the stability of crystal oscillators

[Hal Murray]

> The resonator inversion temperature occurs at 70-80 degrees Celsius,
> depending on the cut angles. 

Is there something magic about quartz that has a turnover in the region that 
just happens to be handy for OCXOs?  Or is it the other way around: people 
chose the cut angle to get a temperature that works well for ovens?

Could I cut a crystal with a temperature at (say) 0C or something handy for 
Peltiers?


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