Agilent Technologies EasyEXPERT Manual page 545

22 IGBT
22.11 Ic-Vge for Expanders (A.05.01.2012.07.31)
[Supported Analyzer]
B1505A
[Description]
Ic-Vge measurement by using UHCU, HVMCU and UHVU while the voltage drop at the output resistance of
expanders is compensated to make Vce constant.
[Device Under Test]
IGBT, 3 terminals
[Device Parameters]
Polarity: Nch (SMUs force the specified value) or Pch (SMUs force the negative specified value).
Y1AxisIcMin: Y1 axis (Ic) minimum value
Y1AxisIcMax: Y1 axis (Ic) maximum value
Y2AxisGfsMin: Y2 axis (Gfs) minimum value
Y2AxisGfsMax: Y2 axis (Gfs) maximum value
[Test Parameters]
Memo: Memorandum
Gate: SMU connected to gate terminal, primary sweep voltage output
VgeStart: Sweep start voltage for gate pulse bias
VgeStop: Sweep stop voltage for gate pulse bias
VgeStep: Sweep step voltage for gate pulse bias
IgLimit: Upper limit of gate current
VgeBase: Gate pulse baseline voltage
Vgewidth: Gate pulse width
VgeDElay: Gate pulse delay time
Collector: SMU connected to Collector terminal, Constant voltage output
Vce: Collector voltage
IcLimit: Upper limit of collector current
VceBase: Collector pulse base line voltage
VceWidth: Collector pulse width
VceDelay: Collector pulse delay time
Emitter: GNDU connected to Emittor terminal
PulsePeriodMode: Pluse period mode, AUTO or MANUAL
ManualPulsePeriod: Pulse period, effective if PulsePeriodMode=MANUAL
MeasurementTime: Actural measurement time for a pulse period
PulseAvgCnt: Pulse averaging count
[Extended Test Parameters]
VceLimit: Upper limit of drain voltage during a search
VSrchOffset: Offset voltage to start searching
VSrchRange: Minimum search range of collector voltage
VSrchPoint: Search step count
VSrchLimit: Limit of output voltage during a search
Debug: Turn on/off debug mode
LoopMax: Maximum loop count for repetitive search
Agilent EasyEXPERT Application Library Reference, Edition 8
22-23