[time-nuts] Trimble 65256 OCXO
hmurray at megapathdsl.net
Sun Nov 27 03:44:21 EST 2016
tractorb at ihug.co.nz said:
> I thought it may be a reference supply for the EFC pin- with a 12.03 volt
> supply the unknown pin measures at 2.803 volts-which is usefully above the
> required EFC voltage ( ~2.4 volts) to bring it on frequency.
> But does anyone have some hard data on this 'unknown' pin?
Is it input or output? What happens if you pull it to ground with a 10K or
1K resistor? Or measure the impedance when powered off.
2.8 volts seems a bit low to be a useful supply.
These are my opinions. I hate spam.
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