Appendix B: Performance Verification
BĆ38
DG2040 Data Generator
This test verifies the delay time accuracy referenced to the clock output on each
channel of the DG2040 Data Generator.
Accuracy:
±
(3 % of setting)
±
| T
a –
25
°
C |
×
15 ps
±
100 ps
The following equipment is required.
Equipment Required
Sampling oscilloscope with head
Five SMA cables (three of them must be same length)
Two SMA femaleĆtoĆBNC male adapters
Two 50
W
terminations
Three SMA X5 attenuators
Performance check disk
Connections.
Refer to Figure B-19 for connections.
Use the SMA cables (three cables must be same length) and the SMA 5X
attenuators to make the following connections:
H
Connect the CLOCK output from the DG2040 Data Generator rear panel to
the sampling oscilloscope CH1 input.
H
Connect the CH0 output from the DG2040 Data Generator front panel to the
sampling oscilloscope CH2 input.
H
Connect the CH1 output from the DG2040 Data Generator front panel to the
sampling oscilloscope TRIGGER INPUTS DIRECT.
Use the SMA female-to-BNC male adapter and the 50
W
termination to make the
following connection:
H
Terminate the CH0 output of the DG2040 Data Generator.
H
Terminate the CH1 output of the DG2040 Data Generator.
Delay Time Accuracy
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