Agilent Technologies 54641A Service Manual page 59

Table 3-8 Equipment Required to Verify Horizontal t and 1/ t Accuracy
Equipment
Oscilloscope Calibrator
Cable
Coupling
Display key,
Autoscale
Main/Delayed
Quick Meas
Frequency
To verify horizontal Dt and 1/Dt accuracy
Critical Specifications
Stability 5 ppm after 1/2 hour
BNC, 3 feet
Marker
DC Imped 50 Ohm
Vectors
Time Ref
Source
Period
Testing Performance
Recommended Model/Part
Fluke 5820A
Agilent 10503A
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