Holdover; X72 Holdover State - Symmetricom X72 User Manual

Rubidium oscillator
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X72 1PPS Algorithm Theory of Operation

Holdover

Figure D-7
90
X72 Desiger's Reference and User's Guide
During holdover, 1PPS input statistics are
accumulated and periodically the results are
calculated (CalcSlope State).
The sample size is set to 120 data points
(120 seconds).

X72 Holdover State

097-10603-01 Rev. A – November 2004

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