Measurement Description
RMS The true Root Mean Square voltage over the entire waveform or gated region.
AC RMS The true Root Mean Square voltage over the measurement 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.
Pk-Pk The absolute difference between the maximum and minimum amplitude in the entire waveform
or gated region.
Cycle RMS The true Root Mean Square voltage over the first cycle in the waveform or the first cycle in the
gated region.
+Overshoot This is measured over the entire waveform or gated region and is expressed as: Positive
Overshoot = ((Maximum - High) / Amplitude) x 100%.
-Overshoot This is measured over the entire waveform or gated region and is expressed as: Negative
Overshoot = ((Low - Minimum) / Amplitude) x 100%.
Mean The arithmetic mean over the entire waveform or gated region.
Cycle Mean The arithmetic mean over the first cycle in the waveform or the first cycle in the gated region.
Table 9: Time measurements
Measurement Description
Rise Time The time required for the leading edge of the first pulse in the waveform or gated region to rise
from the low reference value (default = 10%) to the high reference value (default = 90%) of the
final value.
Fall Time The time required for the falling edge of the first pulse in the waveform or gated region to fall
from the high reference value (default = 90%) to the low reference value (default = 10%) of the
final value.
Pos Width The distance (time) between the mid reference (default 50%) amplitude points of a positive
pulse. The measurement is made on the first pulse in the waveform or gated region.
Neg Width The distance (time) between the mid reference (default 50%) amplitude points of a negative
pulse. The measurement is made on the first pulse in the waveform or gated region.
+ Duty Cyc The ratio of the positive pulse width to the signal period expressed as a percentage. The duty
cycle is measured on the first cycle in the waveform or gated region.
- Duty Cyc The ratio of the negative pulse width to the signal period expressed as a percentage. The duty
cycle is measured on the first cycle in the waveform or gated region.
Period The time required to complete the first cycle in a waveform or gated region. Period is the
reciprocal of frequency and is measured in seconds.
Freq The frequency of the first cycle in a waveform or gated region. Frequency is the reciprocal of the
period; it is measured in Hertz (Hz) where one Hz is one cycle per second.
Delay The time between the mid reference (default 50%) amplitude point of two different waveforms.
Analyzing waveforms
DPO70000SX Series User 131
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