Tektronix TLA Series, Service Manual

Page: 59 / 130

Performance Verification
TLA Series Digitizing Oscilloscope Modules Service Manual
4- 19
This procedure checks the delay between channels for the full bandwidth of the
DSO module.
SW test name DELAY_BETWEEN_CHAN
Equipment
required Sine wave generator (item 14)
Precision BNC cable (item 12)
Dual input BNC cable
1
(item 9)
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--6
Power-up diagnostics pass
INTERNAL_CAL test passes
1
Use the dual input cable or a set of matched cables when running this test. If you
use unmatched coaxial cables, the test may fail or may be miscalibrated due to an
electrical mismatch between the cables.
Sine wave generator
Type N-to-BNC adapter
DSO module
CH 1
Precision BNC
cable
Dual input
cable
Figure 4- 6: Initial setup for the delay between channels 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 6:
Delay Between Channels