RIGOL
© Copyright RIGOL Technologies, Inc. 2007. 2-97
User’s Guide for DS1000 Series
The automatic measurement of time parameters
The DS1000 series oscilloscopes provide time parameters auto-measurements
include Frequency, Period, Rise Time, Fall Time, +Width, -Width, Delay 1→2
,
Delay 1→2
, +Duty and -Duty.
Figure 2-118 shows a pulse with some of the time measurement points.
Rise Time: Time that the leading edge of the first pulse in the waveform takes to
rise from 10% to 90% of its amplitude.
Fall Time: Time that the falling edge of the first pulse in the waveform takes to
fall from 90% to 10% of its amplitude.
+Width: the width of the first positive pulse in 50% amplitude points.
-Width: the width of the first negative pulse in the 50% amplitude points.
Delay 1→2
: the delay between the two channels at the rising edge.
Delay 1→2
: the delay between the two channels at the falling edge.
+Duty: +Duty Cycle, defined as +Width/Period
-Duty: -Duty Cycle, defined as -Width/Period
Figure 2-118
10%
50%
90%
-Width
+Width
Fall Time Rise Time
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