17-74 SCPI Command Reference
:STEP <n>
:SOURce[1]:CURRent:STEP <n> Specify step size (current sweep)
:SOURce[1]:VOLTage:STEP <n> Specify step size (voltage sweep)
Parameters <n> = -210e-3 to 210e-3 Set I-Source level (amps)
-420 to 420 Set V-Source level (volts)
DEFault 0A or 0V
MINimum -210e-3A or -420V
MAXimum +201e-3A or +420V
Query :STEP Query step size for sweep
:STEP? DEFault Query *RST default level
:STEP? MINimum Query lowest allowable level
:STEP? MAXimum Query highest allowable level
Description This command is used to specify a step size for a linear sweep. When the
sweep is started, the source level changes in equal steps from the start level
to the stop level. A measurement is performed at each source step (including
the start and stop levels).
NOTE This command cannot be used for a logarithmic sweep. Use the :POints command to
set the source-measure points for a log sweep.
To avoid a setting conflicts error, make sure the step size is greater than the
start value and less than the stop value.
The number of source-measure points in a linear sweep can be calculated as
follows:
Points = [(Stop - Start) / Step] + 1
Points = (Span / Step) + 1
An alternate way to set the source-measure points in a linear sweep is to
simply specify the number of source-measure points in the sweep using the
:POINts command.
Note that the :STEP and :POINts commands are coupled. Changing the step
size also changes the number of source-measure points. Conversely, chang-
ing the number of source-measure points changes the step size.
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