Pretty good bet that if it’s a 100K termination it’s a square wave output.
The highest impedance you typically see on a sine wave is about 1K ohms.
Even that is pretty rare on OCXO’s.
> On Mar 2, 2018, at 2:07 PM, David C. Partridge
> <david.partri...@perdrix.co.uk> wrote:
> Does anyone know the specs for the 10MHz output of this? I'm looking at a
> board using it that is terminating it with a 100kOhm resistor to ground.
> Yeah I know, probe it with a scope - the catch is that the equipment is
> currently well disassembled so I can't do that so easily ...
> Is the output of this beast 0-5V square wave?
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