Time Interval Measurement Accuracy Test - HP 16530A Service Manual

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HP 16530/31 A - Performance Tests
3-8. Time Interval Measurement Accuracy Test
SPECIFICATION:
2.5 ns sample period:
±
0.75 ns
±
0.2% of timebase range
±
0.02% of reading
02!
5 ns sample period:
±
sample period
:t
0.2% of timebase range ± 0.02% of reading
EQUIPMENT:
Signal Generator ........................................................................ HP 86568
Type N(m)-to-BNC(f) Adapter ..................................................... HP 1250-1476
Cable type N(m) ...................................................................... HP 115008
DESCRIPTION:
This test verifies the accuracy of the master oscillator, timebase circuitry and the digital
reconstruction filter.
PROCEDURE:
a. Configure Channel screen as shown in figure 3-12, setting probe factor first.
Probe:
1 :1
(set this first)
V/Div: 100 mV/Div
Offset: 0
v
Impedance: 50 Ohms
sjDiv: 1 00 nsjDiv
Semple Per1od
Figure 3-12. Channel Configuration
b. Configure
Trigger
screen as shown in figure 3-13.
Mode: Edge
Source: Channel
1
Level: 0 V
Count: 1
Auto-Trig: On
Figure 3-13. Trigger Configuration
Run
2.5000
ns
3-9
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