life speed wrote:
Time Nuts;
I have a customer request for a microwave frequency synthesizer with extreme
accuracy requirements;
4 X 10^-11, or 0.04 PPB. Obviously this is way out of quartz oscillator
territory.
Is GPS 1 pulse-per-second useable, or do they need an atomic clock?
Maybe they don't realize what they are spec'ing.
I really think you should ask them to motivate themselves on that spec,
the intended use etc. They can certainly get a spec like that, but is it
what they need?
You certainly want something like a GPS clock to feed that thing if they
really need that level of accuracy. Or do they only need that level of
resolution?
Cheers,
Magnus
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