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Appendix D Performance Tests
Complete Performance Tests
Operating and Programming Guide D-17
Complete Performance Tests
The specifications of the 58503B and 59551A can be verified by
performing the Performance Tests provided in this section. Table D-2
lists a summary of the 58503B/59551A Complete Performance Tests.
Table D-2. The 58503B/59551A Complete Performance Tests
The following tests will ensure that the 58503B GPS Time and
Frequency Reference Receiver and 59551A GPS Measurements
Synchronization Module are meeting the published specifications.
Some of these tests will require that the Receiver be operating
continuously for at least 3 days, others require that the Receiver be
disconnected from GPS, and others will require further investigation in
order to produce a satisfactory setup and measurement.
The critical specifications to be tested are the 10 MHz Frequency
Accuracy (1 day) and the 1 PPS Jitter (1 day) specifications. As long as
the Receiver is locked, the proper performance of these two
specifications will imply that the other specifications are in
conformance.
The following tests do not test “typical” or “nominal” specifications, or
“supplemental characteristics,” “supplemental information,” or
“features.”
Record the results of the Performance Test in the appropriate
place on the appropriate (i.e., 58503B or 59551A) Performance
Test Record, which is located at the end of this chapter.
Page
Number
Time and Frequency Output Tests
D-18 Preliminary Test Setup
D-19 Test 1: 10 MHz Frequency Accuracy and 1 PPS Jitter
(Locked to GPS)
D-22 Test 2: 10 MHz Holdover Aging and 1 PPS Accumulated
Time Error (Unlocked)
D-24 Test 3: 1 PPS Time Accuracy (Locked)
D-24 Test 4: 10 MHz Frequency Stability (Time Domain) and
Phase Noise (Frequency Domain) Measurements