Appendix B: Performance Verification
DG2040 Data Generator
BĆ19
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 the maximum operating frequency
(continuous):
1. Load the TP4CONT.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-8 appears on the
oscilloscope screen.
4. Change the oscilloscope trigger slope setting to Rising Edge.
5. Verify that a stable data pattern as shown in Figure B-9 appears on the
oscilloscope screen.
6. Change the oscilloscope trigger source to CH4 and trigger slope to Falling
Edge.
7. Verify that a stable data pattern as shown in Figure B-10 appears on the
oscilloscope screen.
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