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October 2014
Page
109
Figure 104.
Wave Form of Gain Measurement.
4.3
Example 3: Capture the Single Signal
The digital storage oscilloscope takes the lead in providing the convenience
capturing of such non-periodic signals as pulse and burr, etc. If you intent to
capture a single signal, you can not set the trigger level and the trigger edge
unless you have particular priori knowledge of this signal. For example, if the
pulse is the logic signal of a TTL level, the trigger level should be set to 2 volts
and the trigger edge be set as the rising edge trigger. If it is uncertain as to the
signal, you can make an observation of it in advance under the automatic or
ordinary mode to determine the trigger level and the trigger edge.
►
The operation steps are as follows:
Set the probe menu attenuation coefficient to 10X and that of the
switch in the probe to 10X.
Adjust the
VOLTS/DIV
and
SEC/DIV
knobs to set up a proper
vertical and horizontal ranges for the signal to be observed.
Press the button
ACQUIRE
to display the
ACQUIRE Mode
menu.
Press the
F2
menu selection button and choose
Peak Detect
.
Press the
TRIG MENU
button to display the
Trigger Mode
menu.
Press the
F1
menu selection button and choose
Single
as the type.
Press the
F3
menu selection button and choose
Edge
as the mode.
Press the
F4
menu selection button and choose
Rising
as the slope.
Press the
F5
menu selection button to next menu.