Math
Push the Math (M) button to display waveform math operations. Push the Math
button again to remove math waveforms. See Vertical controls on page 111.
Options Comments
Operation: +, -, × Math operations; see the next table
Sources Sources used for the operations; see the next table
Position Use the multipurpose knob to set the vertical position of the resultant
Math waveform
Vertical Scale Use the multipurpose knob to set the vertical scale of the resultant Math
waveform
The Math Menu includes Sources options for each operation.
Operation Sources option Comments
+ (addition) Ch1 + Ch2 Channels 1 and 2 are added together
- (subtraction) Ch1 - Ch2 The channel 2 waveform is subtracted from the
channel 1 waveform
Ch2 - Ch1 The channel 1 waveform is subtracted from the
channel 2 waveform
× (multiplication) Ch1 × Ch2 Channels 1 and 2 are multiplied together
Key points
Waveform Units. The combination of source waveform units determine the
resulting units for the Math waveform.
Waveform unit Waveform unit Operation Resulting Math unit
V V + or - V
A A + or - A
V A + or - ?
V V × VV
A A × AA
V A × VA
Reference
90 TBS1000B and TBS1000B-EDU Series Oscilloscopes User Manual
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