[time-nuts] DMTD question

Corby Dawson cdelect at juno.com
Thu Jun 18 14:13:11 EDT 2009


Hi,

The delay circuit consists of toggle switch increments of 1 thru 180
degrees in binary steps (using differing lengths of miniature coax cable)
as well as a fine adjustment that consists of a couple transistors with
varactors. These are built into the unit inside sealed cases and with the
unit in the rack with covers on the drift is minimal. (I don't ever turn
the unit off)

I have made plots of oscillator 1 against oscillator 2 and get a 1 second
stability of  around 3.50 X10-13th.

Will be making some more measurements between an HP 5065A and HP 5071A
high stability.

Corby
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