[time-nuts] HP OCXO's 10544A and 10811A

[Richard (Rick) Karlquist]

On 8/5/2019 8:25 AM, timeok at timeok.it wrote:
>
>     The crystals are individually tested and the temperature is set at the best point of every single crystal .
> 

Per a discussion with Jack Kusters, many or most crystals do not have a
turnover point, but rather a large interval of very low but
non zero tempco.  Thus most oscillators used an 82 degree C setpoint.

Rick