System SourceMeter® Instrument Reference Manual Section 7:
2600BS-901-01 Rev. C / August 2016 7-111
Example
smua.source.highc = smua.ENABLE
smua.source.levelv = 5
smua.source.output = smua.OUTPUT_ON
delay(1)
imeas = i_leakage_measure(smua, 0, 1, 300e-3,
10e-6, .1)
Enable high-capacitance mode. Charge the
capacitor at 5 V for 1 second set
by delay(1).
The parameters passed on to the
i_leakage_measure() function in this
example are:
smu = smua
levelv = 0 V
limiti = 1 A
sourcedelay = 300 ms
measurei = 10 µA range
measuredelay = 100 ms
The levels and delays will depend on the
value and type of capacitor used.
Also see
i_leakage_threshold() (on page 7-111)
High-capacitance mode (on page 3-65)
KIHighC factory script (on page 5-23)
i_leakage_threshold()
This KIHighC factory script function measures the current and compares it to a threshold. This continues until
either the measured current drops below the threshold or the timeout expires.
Type TSP-Link accessible
Affected by Where saved Default value
Function No
Usage
f = i_leakage_threshold(smu, levelv, limiti, sourcedelay, measurei, measuredelay,
threshold, timeout)
A Boolean flag; this flag will be true when the current is below the threshold,
if threshold is not reached before timeout expires
System SourceMeter
instrument channel (for example, smua refers to SMU
Voltage level to step to when this function is called
Current limit setting for the voltage step
Delay to wait before lowering the current limit for measurement
Current limit (and measure range); note the current limit is lower at this level and
because high-capacitance mode is active, the measure range will follow
Delay before the first measurement after measure range is changed
The specified current that establishes the test limit
Amount of time (in seconds) to wait for the current to drop to threshold after all
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