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Section 3: LPTLib command reference
S530/S540 KTE Linear Parametric Test Library (LPTLib) User's Manual
3-58 S530-900-01 Rev. E / September 2017
The
pulsev
and
pulsei
commands generate either a positive or negative voltage, as specified by
the sign of the value argument. With both the
pulseV
and
pulseI
commands:
•
A positive value generates a positive voltage from the high terminal of the source.
•
A negative value generates a negative voltage from the high terminal of the source.
After the
pulse X
command is executed, other commands may be used to make measurements. The
meas X
command can measure:
•
Residual voltage or current as it decays after removal of the initial application.
•
Capacitance between DUT pins as the residual voltage or current decays.
All measurements made using the
pulse X
and
meas X
commands are processed after the pulse has
completed.
Whenever the
pulse X
command is run, either a default or a programmed current or voltage limit is in
effect. The type of limit depends on the type of
pulse X
command:
•
The
pulsev
command has an automatic current limit default. For example, a SMU used as a
voltage source defaults to a current limit of 10 mA. You can call the
limiti
command before the
pulseV
command to override the default.
•
The
pulsei
command has an automatic voltage limit default. For example, a SMU used as a
current source defaults to a voltage limit of 20 V. You can call the
limitv
command before the
pulsei
command to override the default.
When using the
limit X
and
pulse X
commands on the same source at the same time in a test
sequence, call the
limit X
command first, then call the
pulse X
command.