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Units for Math Waveforms
Use the channel function menu to set the unit of each channel to “V” or “A”.
The oscilloscope math operation includes units as below:
Math Operation
Unit
Addition (+)or subtraction (-)
V, A or U
multiplication (*)
V
∧
2, A
∧
2 or W (Volt-Amp)
division (/)
None, Sie or Ω
FFT
dBVrms, Vrms, dBm, dBArms, Arms
differential (d/dt)
V/S or A/S (V/second or A/second)
integral (∫dt)
Wb or C
square root ( )
V
∧
1/2 or A
∧
1/2
Math Operators
The oscilloscope supports the following math operations: Addition, subtraction,
multiplication, division), FFT (Fourier transform) operation and math function
operations including differential, integral, and square root.
Addition or Subtraction
Math operators perform arithmetic operations (addition or subtraction) on any two
analog input channels. When you select addition or subtraction, the Source A and
Source B values are added or subtracted point-by-point, and the result is
displayed.
1. Press the Math button on the front panel to enter the MATH function menu.
2. Press the Source A and Source B softkey respectively, and then turn the
Universal Knob to select the source to do math operation. The device supports
addition and subtraction between analog channels.
3. Press the Operator softkey and then turn the universal to select + or - to make
addition or subtraction operation. The resulting math waveform is displayed in
white and labeled with an “M” icon as shown below.
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