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13
Programming output transients
Up to now the ac source has been programmed with the transient system in Fixed mode. The following
examples briefly describe the transient system’s Step, Pulse, and List modes, which require the
application of a trigger to implement the transient mode.
NOTE: For the examples that follow, press Shift Output, scroll to *RST and press Enter to
reset the unit prior to each example. Also press Enter to enter or activate each selection.
Program an output step
VOLT:M STEP
VOLT 120
VOLT:T 150
INIT IMMED
Step transients transition to a new output level upon receipt of a trigger. When these
commands are sent, the voltage amplitude is stepped from its previous setting to
150 V rms upon receipt of a trigger.
VOLT level
TRIG level
Trigger
Program an output pulse
VOLT:M PULSE
VOLT 120
VOLT:T 90
WIDTH .01
PER .03
COUNT 2
INIT IMMED
Pulse transients transition to a new output level upon receipt of a trigger and return
to the original level after a specified time, repeating this action by the number of
times specified by the count. When these commands are sent, two output pulses step
the voltage amplitude from its previous setting to 90 V rms upon receipt of a
trigger. At the end of the specified period (multiplied by the count), the voltage
returns to its original level.
VOLT level
TRIG level
Width
Period
Trigger
Pulse Count
Program an output list
VOLT: M LIST
VOLT 120
DWELL [0] .5
DWELL [1] .5
DWELL [2] .5
VOLT [0] 130
VOLT [1] 140
VOLT [2] 150
STEP AUTO
INIT IMMED
List transients generate complex output sequences. When these commands are sent,
the voltage amplitude is sequentially stepped to three levels upon receipt of a
trigger, and then returns to the original voltage level. The output remains at each list
step for .5 seconds. The values inside the brackets ([ ]) are the list index references.
Use Clear Entry to clear a list.
Trigger
VOLT level
Step 0
Step 1
List
Step 2
complete
Trigger
Trigger Control
Shift
Voltage
Trigger Shift
Trigger Control
Pulse
Voltage
Trigger Shift
Trigger Control
List Shift
Voltage