Rigol DS1000E series, User Manual

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RIGOL
© 2008 RIGOL Technologies, Inc.
User’s Guide for DS1000E, DS1000D Series
2-94
The automatic measurement of time parameters
The oscilloscope provides time parameters auto-measurements include Frequency,
Period, Rise Time, Fall Time, +Width, -Width, Delay 1
→
2 , Delay 1
→
2 , Phas 1
→
2 , Phas 1
→
2 , +Duty and -Duty. The following figure shows a pulse with some
of the time measurement points.
Figure 2- 132 Time parameters
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.
Phas 1
→
2 : The phase deviation between the two channels at the rising edge.
Phas 1
→
2 : The phase deviation between the two channels at the falling edge.
+Duty: +Duty Cycle, defined as +Width/Period
-Duty: -Duty Cycle, defined as -Width/Period
10%
50%
90%
-Width
+Width
Fall Time Rise Time
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