Unit 3: Bipolar Junction Transistors (BJTs)

Learning Objectives

After completing this chapter, you should be able to:

  • Draw and explain the energy diagram for a biased bipolar junction transistor (BJT).
  • Describe the differences between NPN and PNP BJTs.Explain forward-reverse bias operation.
  • Define the transistor parameters alpha and beta, and determine them from device curves and/or circuit currents.
  • Draw and explain the various regions of a BJT collector curve, along with Early voltage.
  • Describe and utilize the Ebers-Moll BJT model. Describe the concept of the DC load line.
  • Solve and design basic switching and driver circuits utilizing BJTs.

 

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Semiconductor Devices: Theory and Application Copyright © 2023 by James M. Fiore is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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