Analyze Waveform Data
Selecting Automatic Measurements
The following tables list each automatic measurement by category: time or amplitude. (See page 172, Ta k i ng A ut om at ic
Measurements.)
Time Measurements
Measurement Description
Frequency
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.
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.
Rise Time
The time required for the leading edge of the first pulse in the w aveform or gated region to
rise from the low reference value t o the high reference value 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 to the low reference value of the final value.
Delay
The time between the mid reference (default 50%) amplitude point of two different waveforms.
See also Phase.
Phase
The amount of time that one waveform leads or lags ano ther wa veform, expressed in degrees
where 360° makes up one wa veform cycle. See also Delay.
174 DPO2000 and MSO2000 S eries Oscilloscopes User Manual
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