Triggers
R&S
®
RTM20xx
51User Manual 1317.4726.02 ─ 01
"Falling"
Fall time trigger
Remote command:
TRIGger:A:RISetime:SLOPe on page 311
Upper Level
Sets the upper voltage threshold. When the signal crosses this level, the slew rate mea-
surement starts or stops depending on the selected polarity.
To set the value using the Level 50% rotary knob, press the knob to toggle upper and
lower level and then turn the knob.
Remote command:
TRIGger:A:LEVel<n>:RISetime:UPPer on page 311
Lower Level
Sets the lower voltage threshold. When the signal crosses this level, the slew rate mea-
surement starts or stops depending on the selected slope.
Remote command:
TRIGger:A:LEVel<n>:RISetime:LOWer on page 311
Comparison
Selects how the time limit for the slew rate is defined. The time measurement starts when
the signal crosses the first trigger level - the upper or lower level depending on the
selected slope - and stops when the signal crosses the second level.
"Greater than"
Triggers on transition times longer than the given "Rise Time".
"Lower than"
Triggers on transition times shorter than the given "Rise Time".
"Equal"
Triggers on transition times inside the time range Rise Time
±
Varia-
tion.
"Not equal"
Triggers on transition times outside the time range Rise Time
±
Varia-
tion.
Remote command:
TRIGger:A:RISetime:RANGe on page 311
Rise Time
For the comparisons "Greater than" and "Lower than", the setting defines the minimum
and maximum transition time limits, respectively.
For the comparisons "Equal" and "Not equal", the setting defines the center of a range,
which is defined by "Variation"
Remote command:
TRIGger:A:RISetime:TIME on page 311
Variation
Defines a time range around the given "Rise Time" value.
Remote command:
TRIGger:A:RISetime:DELTa on page 312
Reference for Triggers
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