
7
Test mode selection (continued)
After defining the test environment
you are presented with only those
tests that are appropriate for the
environment chosen. For instance, if
spread spectrum clocking (SSC), is not
enabled then no SSC tests will appear.
This is the case for pre-emphasis
as well. If your device definition
is one lane only, or your defined
device connection is one lane (one
differential probe or two single-ended
connections) then no inter-pair skew
tests will appear in the test suite. This
dynamic filtering simplifies your job
by ensuring you attempt to test only
what is possible for the DUT and the
connection model you have chosen.
Figure 9. The Agilent automated test framework guides you quickly
through selecting tests and configuring tests, setting up the connection,
running the tests, and viewing the results. You can easily select
individual tests or groups of tests with a mouse-click. You also can
easily see the test status for the device under test.
Test selection
Figure 8. Test environment setup: lane and oscilloscope assignment screen
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