242 Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide
15 Mask Testing
Run Until The Run Until softkey lets you specify a condition on which to terminate
testing.
• Forever — The oscilloscope runs continuously. However, if an error occurs
the action specified using the On Error softkey will occur.
• Minimum # of Tests — Choose this option and then use the #ofTests
softkey to select the number of times the oscilloscope will trigger, display
the waveform(s), and compare them to the mask. The oscilloscope will
stop after the specified number of tests have been completed. The
specified minimum number of tests may be exceeded. If an error occurs the
action specified using the On Error softkey will occur. The actual number of
tests completed is displayed above the softkeys.
•Minimum Time — Choose this option and then use the Te s t Ti m e softkey
to select how long the oscilloscope will run. When the selected time has
passed the oscilloscope will stop. The specified time may be exceeded. If
an error occurs the action specified using the On Error softkey will occur.
The actual test time is displayed above the softkeys.
• Minimum Sigma — Choose this option and then use the Sigma softkey to
select a minimum sigma. The mask test runs until enough waveforms are
tested to achieve a minimum test sigma. (If an error occurs the
oscilloscope will perform the action specified by the On Error softkey.)
Note that this is a test sigma (the max achievable process sigma,
assuming no defects, for a certain number of tested waveforms) as
opposed to a process sigma (which is tied to the amount of failures per
test). The sigma value may exceed the selected value when a small sigma
value is chosen. The actual sigma is displayed.
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