Measurements and Math Functions 5
InfiniiVision 7000B Series Oscilloscopes User’s Guide 183
Math Functions
Math functions can be performed on analog channels. The resulting math
waveform is displayed in light purple.
You can use a math function on a channel even if you choose not to
display the channel on-screen.
You can:
• Perform an arithmetic operation (add, subtract, or multiply) on
channels 1 and 2 or on channels 3 and 4.
• Perform a function (differentiate, integrate, FFT, or square root) on the
signal acquired on an analog channel.
• Perform a function on the result of an arithmetic operation.
To use waveform math
1 Press the [Math] key on the front panel to display the Waveform Math
Menu.
2 If f(t) is not already shown on the Function softkey, press the Function
sofkey and select f(t): Displayed.
3 Use the Operator softkey to select an operator.
4 Use the Source 1 softkey to select the analog channel on which to
perform math. You can rotate the Entry knob or repetitively press the
Source 1 softkey to make your selection. If you choose a function
(differentiate, integrate, FFT, or square root) the result is displayed.
5 If you select an arithmetic operator, use the Source 2 softkey to select
the second source for the arithmetic operation. The result is displayed.
6 Use the multiplexed scale and position knobs, or the Scale and Offset
softkeys, to re-size and re-position the math waveform.
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