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Using The Test Tool
Making Cursor Measurements
1
37
The readout shows the time difference âtâ between the
cursors and the voltage difference between the two
markers (See Figure 1-20).
The signal frequency is displayed behind 1/t if exactly 1
signal period is between the cursors.
Making Rise Time Measurements
To measure rise time, do the following:
c
From Scope mode, display the
Cursor Key functions.
d
Press to highlight (rise time).
Observe that two horizontal
cursors are displayed.
e
If only one trace is displayed,
select MANUAL or AUTO. AUTO
automatically does steps 4 to 6.
For multiple traces select the
required trace A or B.
f
Move the upper cursor to 100% of
the trace height. A marker is
shown at 90%.
g
Highlight the other cursor.
h
Move the lower cursor to 0% of
the trace height. A marker is
shown at 10%.
Figure 1-21. Risetime Measurement with Cursors
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