Performance Verification
WFM700 Series Waveform Monitors Service Manual
2- 17
Measure amplitude before
triggering transition
Figure 2- 3: Serial video output level performance verification screen
This test checks the SD PIX MON output level into 75
8
load.
Performance Requirement.
This test verifies performance characteristics and is
listed in the test record.
1.
Connect the SD video generator to
INPUT B
using a 75
8
cable.
2.
Set the SD video generator for a 525-format 100% color bars signal.
3.
Connect the
SD PIX MON
output to the 75
8
input of the test oscilloscope
using a 75
8
cable. Use a 75
8
-to-50
8
adapter on the input of the test
oscilloscope if necessary.
4.
Press the
INPUT
button and select
Input B
.
NOTE
. A WFM7HD will report
I
unsupported standard
I
. This will not affect the
results of this check.
5.
Measure the signal amplitude on the test oscilloscope. The following
substeps will help obtain a measurable display on the test oscilloscope. Note
this measurement.
a.
Ensure that the termination is correct on the test oscilloscope. Use a
converter if necessary.
SD PIX MON Output Level
Содержание WFM700 Series
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