Tektronix DG2040 User Manual page 212

DG2040 Data Generator
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Setup. Set the oscilloscope and AFG320 Function Generator as indicated below:
H Oscilloscope
Displayed channel
Vertical axis . . . . .
Horizontal axis . . .
Record length . . . .
Acquire mode . . . .
Acquire sequence
Trigger mode . . . .
Trigger level . . . . .
Trigger source . . . .
Trigger slope . . . . .
Trigger position
Input coupling . . . .
Input impedance
InstaVu . . . . . . . . .
H Function generator
Output channel . . .
Waveform . . . . . . .
Frequency . . . . . . .
Amplitude . . . . . . .
Offset . . . . . . . . . .
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.
Appendix B: Performance Verification
CH1 and CH2
1 V/div for CH1 and CH2
5 V/div for CH3 and CH4
5.00 ns/div
15000
Peak Detect
. RUN/STOP button only
Auto
2 V
CH3
Falling Edge
. . 50 %
DC
50 W for CH1 and CH2
. .
1 MW for CH3 and CH4
Infinite Persistence
CH1
Square wave
500 Hz
1 V (50 W termination)
500 mV
B 19