Agilent Technologies EasyEXPERT

1 BJT
1.25 Ic-Vc Ib: Ic-Vc characteristics, Ib sweep (A.01.20)
[Supported Analyzer]
B1500A, 4155B, 4155C, 4156B, 4156C
[Description]
Measures the collector current vs collector voltage characteristics.
[Device Under Test]
Bipolar transistor, 4 terminals
[Device Parameters]
Polarity: NPN (SMUs force the specified value) or PNP (SMUs force the negative specified value).
Le: Emitter length
We: Emitter width
Temp: Temperature
IcMax: Collector current compliance
[Test Parameters]
IntegTime: Integration time
Collector: SMU connected to Collector terminal, primary sweep voltage output
VcStart: Sweep start voltage for Collector terminal
VcStop: Sweep stop voltage for Collector terminal
VcStep: Sweep step voltage for Collector terminal
Base: SMU connected to Base terminal, secondary sweep voltage output
IbStart: Sweep start current for Base terminal
IbStop: Sweep stop current for Base terminal
IbStep: Sweep step current for Base terminal
Emitter: SMU connected to Emitter terminal, constant voltage output
Subs: SMU connected to Substrate terminal, constant voltage output
Vsubs: Substrate voltage
IsubsLimit: Substrate current compliance
[Extended Test Parameters]
Ve: Emitter voltage
VbLimit: Base voltage compliance
HoldTime: Hold time
DelayTime: Delay time
CollectorMinRng: Minimum range for the collector current measurement
SubsMinRng: Minimum range for the substrate current measurement
[Measurement Parameters]
Collector current Icollector
Base voltage Vbase
Substrate current Isubs
[User Function]
IbPerArea=Ibase/Le/We
IcPerArea=Icollector/Le/We
hfe=Icollector/Ibase
VA=Icollector*diff(Vcollector,Icollector)-Vcollector
[X-Y Plot]
X axis: Collector voltage Vcollector (LINEAR)
Y1 axis: Collector current Icollector (LINEAR)
Agilent EasyEXPERT Application Library Reference, Edition 8
1-31