Fundamentals of Industrial Electronics

9

Bipolar Junction Transistor

Bogdan M. Wilamowski

Auburn University

Guofu Niu

Auburn University

9.1      Ebers–Moll Model

9.2      Gummel–Poon Model

9.3      Current Gains of Bipolar Transistors

9.4      High Current Phenomena

9.5      Small Signal Model

9.6      Technologies

Integrated NPN Bipolar Transistor • Lateral and Vertical PNP Transistors

9.7      Model Parameters

Thermal Sensitivity • Second Order Effects • SPICE Model of the Bipolar Transistor

9.8      SiGe HBTs

Operation Principle and Performance Advantages over Si BJT • Industry Practice and Fabrication Technology

References

The bipolar junction transistor (BJT) is historically the first solid-state analog amplifier and digital switch, and formed the basis of integrated circuits ...