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Tektronix DPO4000 Manual de usuario Pagina 452

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Commands Listed in Alphabetical Order
Arguments
CH1–CH4 specifi
es an analog input channel as the A e dge trigger source.
EXT specifies an external trigger using the Aux In connector located on the front
panel of the os
cilloscope.
LINE specifies AC line voltage.
Examples
TRIGGER:A:PULSEWIDTH:SOUR CE CH1 sets channel 1 as the pulse width s ource.
TRIGGER:A:PULSEWIDTH:SOUR CE? might return :TRIGGER:A:PULS EWIDTH:
SOURCE CH1
indicating that channel 1 is the pulse width source.
TRIGger:A:PULSEWidth:WHEn
Sets or returns whether to trigger on a pulse that meets, falls outside, or within
the specified range of limits.
Group
Trigger
Syntax
TRIGger:A:PULSEWidth:WHEn {LESSthan|th an|EQual|UNEQua l}
TRIGger:A:PULSEWidth:WHEn ?
Related Commands
TRIGger:A:PULSEWidth:WIDth
Arguments
LESSthan argument sets the oscilloscope to trigger if a pulse is detected with
width less than the time set by the TRIGger:
A:PULSEWidth:WIDth command.
than argument sets the oscilloscope to trigger if a pulse is detected with width
than the time set by the TRIGger:A:PULSEWi
dth:WIDth command.
EQUal argument sets the oscilloscope to trigger if a pulse is detected with width
equal to t he time period specified in TRIG
ger:A:PULSEWidth:WIDth within
a ±5% tolerance.
NOTEQual argument sets the oscillosco
pe to trigger if a pulse is detected with
width greater than or less than (but not equal) the time period specified in
TRIGger:A:PULSEWidth:WIDth within a ±5% tolerance.
Examples
TRIGGER:A:PULSEWIDTH:WHEN LESSTHAN specifies that the duration of the A
pulse will fall within defined high and low limits.
TRIGGER:A:PULSEWIDTH:WHEN ? might return :TRIGGER:A:PULSEWIDTH:
WHEN TH AN
indicating the conditions for generating a width trigger.
2-442 MSO4000 and DPO4000 Series Programmer Manual
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