Gummel Measurement of a NPN Bipolar Transistor
 

Connect

Emitter to SMU1, Base to SMU2, Emitter to SMU3

Bias

SMU1 : V Mode, VarA1, Define offset=0, ratio=1

(Collector ans base voltages are same during measurements)

SMU2 : V Mode, VarA, 0V-800mA, 20mA step,

SMU3 : V Mode, Const, 0V

Graph

X axis -> Vb, Y1 axis-> IC(LOG scale), Y2 axis -> IB(LOG scale)
 

 

 

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