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To enable trigger signals for output Steps or Lists: (Specify if the list trigger occurs at the Beginning Of
the Step, or End Of the Step.)
STEP:TOUT ON,(@3)
LIST:TOUT:BOST 1, (@3)
LIST:TOUT:EOST 1, (@3)
To select a voltage or current level of another output as the trigger for output 1: (Output 3 will
generate the voltage or current level to trigger output 1.)
TRIG:ACQ:SOUR VOLT3,(@1)
TRIG:ACQ:SOUR CURR3,(@1)
To specify the voltage or current trigger level and slope of output 3:
TRIG:ACQ:CURR 10,(@3)
TRIG:ACQ:CURR:SLOP POS,(@3)
TRIG:ACQ:VOLT 10,(@3)
TRIG:ACQ:VOLT:SLOP POS,(@3)
A non-programmable hysteresis for level triggers reduces false triggering on slow
signals. The hysteresis is set to 0.0005 X maximum range value. For example, on the 50
V range, the hysteresis is approximately 25 mV.
Initiate the Measurement
When the power analyzer is turned on, the trigger system is in the idle state. In this state, the trigger
system is disabled, ignoring all triggers. The INITiate command enables the measurement system to
receive triggers. To initiate the trigger system for all four outputs:
INIT:ACQ (@1:4)
It takes a few milliseconds for the instrument to be ready to receive a trigger signal after receiving the
INITiate:ACQuire command, and it can take longer for Keysight Models N678xA SMU.
If a trigger occurs before the trigger system is ready for it, the trigger will be ignored. You can test the
WTG_meas bit in the operation status register to know when the instrument is ready to receive a
trigger after being initiated.
STAT:OPER:COND?(@1)
If a bit value of 8 is returned in the query, the WTG_meas bit is true, and the instrument is ready to
receive the trigger signal. Refer to Status Tutorial in the Operating and Service Guide document for
more information.
It will be necessary to initiate the measurement trigger system each time a triggered
measurement is desired.
Keysight N6705C User's Guide
6 Advanced Source, Measurement, and Control
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