Tektronix MDO4054-3, User Manual, Page: 160 / 222

Analyze Waveform or Trace Data
4. Push Edit Expression and use the
multipurpose knobs and the resulting
lower-bezel buttons to create an expression.
When done, push the side-bezel menu
OK
Accept button.
For example, to use Edit Expression to take the integral of a square wave:
1. Push the lower-bezel Clear button.
2. Turn multipurpose knob a to select Intg( .
3. Push Enter Selection .
4. Turn multipurpose knob a to select
channel 1 .
5. Push Enter Selection .
6. Turn multipurpose knob a to select ) .
7. Push OK Accept .
Using Spectrum Math
The spectrum math feature lets you create a math waveform by adding or subtracting frequency traces.
1. Push Math .
2. Push Spectrum Math .
Dual Wfm
Math
FFT Advanced
Math
Spectrum
Math
(M) Label
Use the side-button menu choices to construct
your desired math trace.
3. Push 1st Source and select the RF
normal trace ( RF:N ), RF average trace
( RF:A ), RF maximum trace ( RF:M ), the
RF minimum trace ( RF:m ), or any of the
reference memories with frequency domain
information.
4. Choose + or - as the operator.
5. Choose the second source from the
provided options.
MDO4000 Series Oscilloscopes User Manual 141