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Creating and Using Math Waveforms
3- 192
CSA7000 Series, TDS7000 Series, & TDS6000 Series Instruments User Manual
Cursor Measurements. You can also use cursors to measure derivative wave-
forms. Use the same procedure as is found under Take cursor measur ements on
page 3--201. When using that procedure, note that the amplitude measurements
on a derivative waveform will be in volts per second rather than in volt-seconds
as is indicated for the integral waveform measured in the procedure.
Figure 3- 44: Peak-peak amplitude measurement of a derivative waveform
Offset, Position, and Scale. The settings that you make for of fset, scale, and
position affect the math waveform that you obtain. Note the following tips for
obtaining a good display:
H You should scale and position the source waveform so that it is contained on
screen. (Off screen waveforms may be clipped, resulting in errors in the
derivative waveform).
H You can 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.
Waveform Integration. The Math capabilities of the instrument include waveform
integration. This allows you to display an integral math waveform that is an
integrated version of the acquired waveform.