Automatic Measurement Of Time Parameters - Rigol DS1302CA User Manual

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Automatic measurement of time parameters

DS1000CA series oscilloscopes provide timing parameters auto-measurements;
Frequency, Period, Rise Time, Fall Time, +Width, -Width, Delay 1→2 , Delay 1→2 ,
+Duty and -Duty.
Figure 2-113 shows a pulse with some of the time measurement points.
Rise Time
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
2-80
Fall Time
+Width
Figure 2-113
The time parameters
-Width
User‟s Guide for DS1000CA Series
90%
50%
10%