Tektronix TPS2012B, User Manual

Page: 132 / 184

Reference
Options Comments
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
CH1 + CH2 Channels 1 and 2 are added
together + (addition)
CH3 + CH4 1 Channels 3 and 4 are added
together
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
CH3 - CH4 1 The channel 4 waveform is
subtracted from the channel 3
waveform
- (subtraction)
CH4 - CH3 1 The channel 3 waveform is
subtracted from the channel 4
waveform
CH1×CH2 Channels 1 and 2 are multiplied
together × (multiplication)
CH3×CH4 1 Channels 3 and 4 are multiplied
together
FFT (See page 61.)
1 Available only on a 4-channel oscilloscope.
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
106 TPS2000B Series Digital Oscilloscope User Manual