With that offset either the oven set point has changed or there has een a
component value shift in the oscillator circuit.
The easiest way to test is to stick in another 10811 if available.
You could also install one of the original 105 style oscillators if you
have one.
Cheers,
Corby
Jared,
There is a non-hermetic electrolytic cap in the A7 (100uf C3) that if it
leaks can "eat" the lead or trace off killing the gain..
Pull the A7 and take a look at that.
Cheers,
Corby
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Hi all,
I have a 5065A Rubidium Standard that was working ok, but has lost the 2nd
harmonic.
My voltages are all ok, the physics package hasn't overheated and I have
replaced the usual resistors on the lamp assembly (and it was running fine
afterward for a while), the lamp illuminates, and
