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Appendix B: Performance Verification
Delay Time Accuracy
B 38
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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
The following equipment is required.
Equipment Required
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.
25 °C | × 15 ps ±100 ps
a –
Sampling oscilloscope with head
Five SMA cables (three of them must be same length)
Two SMA female to BNC male adapters
Two 50 W terminations
Three SMA X5 attenuators
Performance check disk
DG2040 Data Generator
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