Appendix B: Performance Verification
BĆ24
DG2040 Data Generator
Setup.
Set the oscilloscope and AFG320 Function Generator as indicated below:
H
Oscilloscope
Displayed channel
CH1 and CH2
Vertical axis
1 V/div for CH1 and CH2
. . . . .
5 V/div for CH3 and CH4
Horizontal axis
5.00 ns/div
. . .
Record length
15000
. . . .
Acquire mode
Peak Detect
. . . .
Acquire sequence
RUN/STOP button only
.
Trigger mode
Auto
. . . .
Trigger level
2 V
. . . . .
Trigger source
CH3
. . . .
Trigger slope
Falling Edge
. . . . .
Trigger position
50 %
. .
Input coupling
DC
. . . .
Input impedance
50
W
for CH1 and CH2
. .
1 M
W
for CH3 and CH4
InstaVu
Infinite Persistence
. . . . . . . . .
H
Function generator
Output channel
CH1
. . .
Waveform
Square wave
. . . . . . .
Frequency
500 Hz
. . . . . . .
Amplitude
1 V (50
W
termination)
. . . . . . .
Offset
500 mV
. . . . . . . . . .
Procedure.
Follow the steps below to verify that the maximum operating
frequency (trigger operation) is functioning correctly.
1. Load the TP5TRIG.PDA test pattern file from the performance check disk.
2. Press the START/STOP button on the front panel. The LED, corresponding
to the button, should be on.
3. Verify that a stable data pattern as shown in Figure B-12 appears on the
oscilloscope screen.
4. Change the oscilloscope trigger source to CH4 and trigger slope to Rising
Edge.
5. Verify that a stable data pattern as shown in Figure B-13 appears on the
oscilloscope screen.
6. Press the START/STOP button on the front panel to stop output (the buttons
LED goes off).
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