TCXO is not an OCXO, they don't have an oven. They compensate the
temperature induced drift using a temperature sensor, a microcontroller
and a table or parameter set for adjusting the output frequency. BTW,
for some applications they are unsuitable as they adjust the frequency
in steps.
Regards,
Ignacio EB4APL
El 21/12/2016 a las 20:29, Mike Millen escribió:
>>>> Can anyone comment on the following data, and whether they think the
oscillator in "my" M8N is a XO or a TCXO ?
Can you monitor the current draw from cold (ambient)?
You may be able to identify the initial steady current drawn by the TCXO
heater, then the cycling once it's hit the right temp?
If there's no change at all in average current as it warms then it may
not have a TCXO.
Mike
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