Analyze Wavefor
mData
Amplitude measurements
Measurement Description
Positive
Overshoot
This is measured over the entire wavef orm or gated region and is expressed as:
Positive Overshoot = (Maximum – High) / Amplitude x 100%.
Negative
Overshoot
This is measured over the entire wavef orm or gated region and is expressed as:
Negative Overshoot = (Low – Minimum) / Amplitude x 100%.
Pk-Pk
The absolute difference between the maximum and minimum amplitude in the entire
waveform or gated region.
Amplitude
The high value less the low value measured over the entire w aveform or gated region.
High
This value is used as 100% whenever high reference, mid reference, or low reference
values are needed, such as in fall time or rise time measurements. Calculate using either
the min/max or histogram method. The min/max method uses the maximum value found.
The histogram method uses the most c ommon value found above the midpoint. This
value is m easured over the entire waveform or gated region.
Low
This value is used as 0% whenever high reference, mid reference, or low reference
values are needed, such as in fall time or rise time measurements. Calculate using either
the m in/max or histogram method. The min/max method uses the minimum value found.
The histogram method uses the most common value found below the midpoint. This
value is m easured over the entire waveform or gated region.
Max
The most positive peak voltage. Max is measured over the entire waveform or gated
region.
Min
The most negative peak voltage. Min is measured over the entire waveform or gated
region.
Mean
The arithmetic mean over the entire w aveform or gated region.
Cycle Mean The arithmetic mean over the first cycle in the waveform or the first cycle in the gated
region.
MSO4000B and DP O4000B Series Oscilloscopes User Manual 107
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