Hello,
El 03/06/2012 10:46, [email protected] escribió:
The FEI-5680A Rubidium that we discussed here some time ago has a much
worse phase noise plot of course, because the 10MHz is generated digitally
through a DDS, not a 10MHz crystal oscillator..
There is a version that generates 10MHz directly through DDS, but the
particular version we recently discussed a lot about generates the 10MHz
signal from a 60MHz oscillator, and the DDS is used for generating the
~5.3125MHz signal for mixing with the 114th harmonic of the 60MHz to
obtain the Rb resonance frequency.
I don't remember if someone did a comparison in PN performance between
the two FE-5680A flavours.
Regards,
Javier
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