TDS 420A, TDS 430A, TDS 460A & TDS 510A User Manual
3–135
Waveform Integration (Optional)
Waveform integration that allows you to display a math waveform that is an
integrated version of the acquired waveform. Such waveforms find use in the
following applications:
Measuring power and energy, such as in switching power supplies
Characterizing mechanical transducers, as when integrating the output of an
accelerometer to obtain velocity
The waveform vertical scale is in volt-seconds (its horizontal scale is in
seconds). If you are not using a voltage probe, some digitizing oscilloscopes can
display other vertical units.
Operation
To obtain an integral math waveform:
1. Connect the waveform to the desired channel input and select that channel.
2. Adjust the vertical and horizontal scales and trigger the display (or press
AUTOSET).
3. Press MORE
➞ Math1, Math2, or Math3 (main) ➞ Change Math
waveform definition
(side) ➞ Single Wfm Math (main).
4. Press Set Single Source to
(side). Repeatedly press the same button until the
channel source selected in step 1 appears in the menu label.
5. Press Set Function to
(side). Repeatedly press the same button until intg
appears in the menu label.
6. Press OK Create Math Waveform
(side) to turn on the integral math
waveform (see Figure 3–75).
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