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Chapter 2 Performance Tests
58502A Calibration (Option 010 Only)
User’s Guide 2-17
Equipment
• 10 MHz Primary Frequency or House Standard: HP 5071A (or
equivalent)
• Terminal or computer (PC): Any Model with communication
software and RS-232 connection
• HP 53131A Universal Counter (or equivalent)
• HP 24542U (or F1047-80002) (or equivalent) Serial Interface Cable
• HP 10100C 50Ω BNC Feedthrough (or equivalent)
• Two BNC Cables (1 meter, male-to-male)
Procedures
Determining Frequency Difference
The frequency difference is measured by synchronizing the frequency
counter with a known standard and observing the 58502A frequency
output to a resolution of at least 10 digits.
1 Connect 10 MHz reference to HP 53131A Universal Counter’s (or
equivalent) rear-panel external timebase (Reference) input as shown in
Figure 2-7.
2 Connect any output of the 58502A to the Counter’s input as shown in
Figure 2-7.
3 Set the Counter’s gate time to 1-second to display at least 10 digits
(10,000,000.000).