Using Features for Advanced Applications
3–148
TDS 500B, TDS 600B, & TDS 700A User Manual
Waveform Math
The TDS Oscilloscope provides a means for you to mathematically manipulate
your waveforms. For example, you might have a waveform clouded by
background noise. You can obtain a cleaner waveform by subtracting the
background noise from your original waveform.
This section describes the invert, add, subtract, divide, and multiply waveform
math features. See Fast Fourier Transforms on page 3–150, Waveform Differ-
entiation on page 3–167, and Waveform Integration on page 3–171 for informa-
tion on Advanced DSP Math features.
To perform waveform math, use the More menu (Figure 3–84). The More menu
allows you to display, define, and manipulate three math waveforms; the
following steps explain how to create a math waveform based on a single source
waveform:
1. Press MORE ➞ Math1, Math2, or Math3 (main) ➞ Change Math
waveform definition (side) ➞ Single Wfm Math (main).
2. To define the source waveform, press Set Single Source to (side) repeatedly
to cycle it to the desired channel or reference waveform.
Figure 3–84: More Menu
To Use Single Wfm Math
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