Tektronix TLA Series, Service Manual

Page: 63 / 130

Performance Verification
TLA Series Digitizing Oscilloscope Modules Service Manual
4- 23
This procedure checks the sensitivity of the edge-type trigger (DC coupled) of
the DSO module.
SW test name TRIG_MAIN_SENS
Equipment
required Sine wave generator (item 14)
Precision BNC cable (item 12)
Type N-to-BNC adapter (item 10)
Prerequisites Warm-up time: 30 minutes
The logic analyzer application is not running
The performance verification and adjustment software is loaded
Test equipment connected as shown in Figure 4--9
Power-up diagnostics pass
INTERNAL_CAL test passes
Sine wave generator
Type N-to-BNC
adapter
DSO module
CH 1
Precision BNC
cable
Figure 4- 9: Initial setup for the main trigger sensitivity test
1.
Verify that all of the prerequisites listed previously are met for the procedure.
2.
Follow the on-screen instructions to run the test for the DSO module.
3.
Verify that all of the tests pass. If a test fails, check the
Troubleshooting
section on page 4--12.
DSO Procedure 10:
Main Trigger Sensitivity