Anritsu BERTWave MP2100B, Operation Manual, Page: 251 / 382

7.13 Waveform Math Calculation
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7.13 Waveform Math Calculation
The calculated math results for the two CH A and CH B waveforms can be
displayed as a different waveform. The calculated math results can be
measured at Section 7.11 “Measuring Waveform”.
Note:
When calculating the EYE pattern waveform, set Sampling Mode to
[Coherent Eye] and collect the data.
If Sampling Mode is set to [Eye] and data is collected, a
computational error occurs.
Setting waveform calculation method and vertical scale
1. Touch [Amplitude] to open the Amplitude dialog box.
2. Touch the Channel Math button to set the button display to [On].
3. Touch the Define Function button at Channel Offset.
4. Select the calculation method from the following:
[CH A+CH B]
[CH A–CH B]
[CH B–CH A]
5. Touch the Scale text box at Channel Offset.
6. Input the voltage per vertical scale.
7. Touch the Offset text box at Channel Offset.
8. Input the voltage for the center of the vertical scale.
For the adjustment method of the time axis, refer to 7.10.3 “Adjusting
Horizontal-axis of Screen”.
Even when the calculated waveform is displayed, [Auto Scale] can be
displayed.
To close the waveform calculation display, touch the Channel Math button
and set the button display to [Off].