Am 14.07.2015 um 02:32 schrieb KA2WEU--- via time-nuts:
Dear Magnus,
With your kind permission I (totally ) disagree with you . We make 10 GHz
oscillators which are almost getting close to the Poseidon Sapphire , but
optical?
the post power amplifier
at 10 Ghz has a much higher noise floor then the source . I have not yet
solved the problem
My new FSWP (R&S) Analyzer can measure down to - 190dBc/Hz .
How do you do _that_? 20-cornered hat with 20 ADCs and references?
The ADCs and FPGAs would be cheap enough, the references less so.
Wish me luck, Ulrich
Wish granted, Gerhard DK4XP ;-)
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