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Agilent Technologies EasyEXPERT

Agilent Technologies EasyEXPERT
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1 BJT
1.38 Vbe-We: hfe,Vbe-Le characteristics (A.01.20)
[Supported Analyzer]
B1500A
[Description]
Measures the hfe (current amplification factor) vs Vbe (voltage between base and emitter) characteristics of
BJT with different We (emitter width) and plots hfe and Vbe's dependency on We.
[Device Under Test]
Bipolar transistor, 4 terminals
[Required Modules and Accessories]
Agilent B2200A or B2201A switching matrix 1 unit
GPIB cable
Connect B2200A/B2201A to B1500A with a measuring cable and GPIB cable.
Set information on B1500A SMU channel's connection to the B2200A/B2201A input port properly on the
Switching Matrix tab screen of the Configuration window.
Set the output channel number of B2200A/B2201A connected to each terminal of a device under test properly
in the B#/C#/E#/Sb# field (# is an integer from 1 to 12) of Test Parameters area.
The maximum number of devices connected at once depends on the number of matrix modules mounted on
B2200A/B2201A. Maximum three devices can be connected to one module at once.
[Setting of We#/B#/C#/E#/Sb# field (# is an integer from 1 to 12)]
Set one device for We#(emitter width)/B#(base)/C#(collector)/E#(emitter)/Sb#(sub strate).
We1<We2<We3... must be satisfied. Enter zero for a field with no device.
[Device Parameters]
Polarity: NPN (SMUs force the specified value) or PNP (SMUs force the negative specified value)
Temp: Temperature
IcMax: Collector current compliance
[Test Parameters]
IntegTime: Integration time
BaseSMU: SMU connected to Base terminal, constant voltage output
CollectorSMU: SMU connected to Collector terminal, constant voltage output
SbSMU: SMU connected to Substrate terminal, constant voltage output
EmitterSMU: SMU connected to Emitter terminal, primary sweep voltage output
VeStart: Sweep start voltage for Emitter terminal
VeStop: Sweep stop voltage for Emitter terminal
VeStep: Sweep step voltage for Emitter terminal
Vsubs: Substrate voltage
Ic@hfe: Collector current determining the hfe (Calculates hfe on a particular Ic)
Ie@Vbe: Emitter current determining the Vbe voltage (Calculates Vbe on a particular Ie)
Le: Emitter length
We1 - We12: Emitter width
B1 - B12: SWM Pin Assign setting for Base of devices
C1 - C12: SWM Pin Assign setting for Collector of devices
E1 - E12: SWM Pin Assign setting for Emitter of devices
Sb1 - Sb12: SWM Pin Assign setting for Subs of devices
[Extended Test Parameters]
Vb: Base voltage
Agilent EasyEXPERT Application Library Reference, Edition 8
1-45

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