Agilent Technologies EasyEXPERT, Manual, Page: 100 / 610

2 CMOS
2.23 Isub-Vg: Isub-Lg characteristics (A.01.20)
[Supported Analyzer]
B1500A, 4155B, 4155C, 4156B, 4156C
[Description]
Measures the substrate current vs gate voltage characteristics of MOSFET.
[Device Under Test]
MOSFET, 4 terminals
[Device Parameters]
Polarity: Nch (SMUs force the specified value) or Pch (SMUs force the negative specified value)
Lg: Gate length
Wg: Gate width
Temp: Temperature (deg C)
[Test Parameters]
IntegTime: Integration time (SHORT, MEDIUM, LONG) default: MEDIUM
Gate: SMU connected to Gate terminal, primary sweep voltage output
Drain: SMU connected to Drain terminal, secondary sweep voltage output
Subs: SMU connected to Substrate terminal, constant voltage output
Source: SMU connected to Source terminal, constant voltage output
VgStart: Sweep start voltage for Gate terminal
VgStop: Sweep stop voltage for Gate terminal
VgStep: Sweep step voltage for Gate terminal
VdStart: Sweep start voltage for Drain terminal
VdStop: Sweep stop voltage for Drain terminal
VdStep: Sweep step voltage for Drain terminal
[Extended Test Parameters]
HoldTime: Hold time
DelayTime: Delay time
Vsubs: Substrate terminal voltage
IgLimit: Gate current compliance
IdLimit: Drain current compliance
IsubsLimit: Substrate current compliance
Vs: Source terminal voltage
DrainMinRng: Minimum range for drain current measurement
SubsMinRng: Minimum range for substrate current measurement
GateMinRng: Minimum range for gate current measurement
[Measurement Parameters]
Substrate current Isubs
[X-Y Plot]
X axis: Gate voltage Vgate (LINEAR)
Y1 axis: Substrate current Isubs (LOG)
[List Display]
Gate voltage Vgate
Substrate current Isubs
Drain current Idrain
Gate current Igate
Agilent EasyEXPERT Application Library Reference, Edition 8
2-38