Didier wrote:
That is interestng and brings a question that I should be able to answer but
have been too busy (or lazy...) to try...
The HP 5370 has a noisy fan, and an HP 10811 in the same box. Has anyone
been curious enough to measure the effect of fan vibration on the oscillator
and p-p noise on TI measurements?
Notice how the 10811 sits in its own little quiet space airflow-wise.
Once the buffer-board has it's 10 MHz presence detector disabled, you
could measure the phase-noise of the 10811 on the 10 MHz output.
You could compare that with the result of the same 10811 sitting on the
quiet bench (keep it covered by a small box).
Cheers,
Magnus
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