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Most of the time, the important parameters to be watched are: electron multiplier
voltage, ion pump current, oscillator control percentage, signal gain percentage,
internal temperature, and readings of rf amplitude
t
and 2 percentages.
These
Seven should
enable a person to predict the performance and life of a frequency
Standard.
ACKNOWLEDGMENTS
The authors would like
to
thank Randolph Clarke for clock
performance
analysis
assistance, and
Edward
Powers for providing historical clock parameter data.
A
special thanks
to
Wendy
King for the parameter information collection
programming.
REFERENCE
Hewlett-Packad Company, HP
5071A
primary Frequency Standard Operating and
Pmg&ng
Manual,
1992.
1
56
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