Waveform Differentiation
TDS 420A, TDS 430A, TDS 460A & TDS 510A User Manual
3–133
Figure 3–74: Peak-Peak Amplitude Measurement of a Derivative Waveform
You can also use cursors to measure derivative waveforms. Use the same
procedure as is found under Cursor Measurements of an Integral Waveform on
page 3–136. When using that procedure, note that the amplitude measurements
on a derivative waveform will be in volts (vertical units) per second rather than
in volt-seconds as is indicated for the integral waveform measured in the
procedure.
Usage Considerations
When creating differentiated math waveforms from live channel waveforms,
consider the following topics.
Note the following tips for obtaining a good display:
Scale and position the source waveform so it is contained on screen. (Off
screen waveforms may be clipped, resulting in errors in the derivative
waveform).
Use vertical position and vertical offset to position your source waveform.
The vertical position and vertical offset will not affect your derivative
waveform unless you position the source waveform off screen so it is
clipped.
Cursor Measurement of a
Derivative Waveform
Offset, Position, and Scale
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