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The U7232A DisplayPort electrical test
software saves you time by setting
the stage for automatic execution of
DisplayPort electrical tests. Part of
the difficulty of performing electrical
tests for DisplayPort is connecting
the oscilloscope to the target device,
configuring the instrument for
measurements, executing the test
procedures, understanding what to
test, and then analyzing the measured
results by comparing them to limits
published in the specification. The
DisplayPort electrical test software
does almost all of this work for you. In
addition, if you discover a problem with
your device, debug tools are available
to aid in root-cause analysis.
The U7232A DisplayPort electrical test
software offers the electrical tests
for the source as well as important
tests for cable and receiver tolerance
testing. The software automatically
configures the oscilloscope for each
test, and it provides an informative
results report that includes margin
analysis indicating how close your
product is to passing or failing that
specification. Clock recovery of each
lane is accomplished according to the
standard by the oscilloscope using
proprietary software techniques.
See Table 2 for a complete list of
the measurements made by the
DisplayPort electrical test software.
Easy test definition
The U7232A DisplayPort electrical
test software extends the ease-of-use
advantages of Agilent’s Infiniium
Series oscilloscopes to testing
DisplayPort designs. The Agilent
automated test engine walks you
quickly through the steps required to
define the device under test, to select
the tests, set up the tests, perform the
tests, and view the test results. You
can pick high-level test parameters
to suit your test process objectives,
and then you can proceed to select a
category of tests all at once, or specify
individual tests. The user interface is
oriented to minimize reconnections,
which saves you time and minimizes
potential for operator error. You can
save tests and configurations as
project files and recall them later for
quick testing and review of previous
test results. Straightforward menus let
you perform tests with a minimum of
mouse clicks.
U7232A saves you time
Features
The U7232A HDMI electrical test
software offers several features to
simplify the validation of DisplayPort
designs:
• Full physical layer testing
• Verification of link layer physical
layer control
• Three modes of physical layer test
• Test status tracking
• Measurement process
configurability
• Automated scope measurement
setup
• Test results reports with pass/fail
margin analysis
With the DisplayPort electrical test
software, you can use the same
oscilloscope you use for everyday
debugging to perform automated
testing and margin analysis based on
the DisplayPort-specified test checklist.
(246 pages)
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