Testing Time Interval Accuracy
Testing the time interval accuracy does not check a specification, but
does verify proper operation of the 125-MHz oscillator.
This test verifies that the 125-MHz timing acquisition synchronizing
oscillator is operating within limits.
Table 15 Equipment Required
Equipment Critical Specifications Recommended
Model/Part
Time Mark Generator Rise time < 10 ns; device
under test error is indicated
to within one least
significant digit
Tektronix TG 501A or
equivalent
Oscilloscope 100 MHz bandwidth HP 54600
BNC Tee HP 1250-0781
BNC Cable (Qty 2) HP 10503A
BNC Test Connector,
1x2
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