Appendix B: Performance Verification
DG2030 User Manual
BĆ7
Performance Tests
The performance test for the DG2030 must be performed in the following order.
H
Internal clock frequency
H
External clock input
H
Sequence & digital output
H
Inhibit function
H
Output level, amplitude, rise time and fall time accuracies
H
Delay time accuracy
This test confirms the frequency accuracy of the DG2030 internal clock.
With the PLL circuit on: Clock frequency
±
0.0001 %
With the PLL circuit off: Clock frequency
±
3 %
Equipment Required
Frequency counter
BNC cable
50
W
termination
NĆtoĆBNC adapter
Performance check disk
Connections.
Connect the clock output from the DG2030 front panel to the
frequency counter input (INPUT B) through the N-to-BNC adapter with the
BNC cable.
DG2030 Front Panel
Clock Output
BNC Cable
NĆtoĆBNC adapter
Frequency Counter
Figure BĆ3: Frequency measurement connections
Internal Clock Frequency
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