- Describe the motion of electrons and holes in a pnp bipolar transistor biased in the forward active mode with VBC = 0.
- What is the definition of the emitter efficiency? Explain in words and provide the corresponding equation.
- What is the definition of the base transport factor? Explain in words and provide the corresponding equation.
- Derive the relation between the current gain and the transport factor.
- How does recombination in the quasi-neutral base region affect the emitter, base and collector current?
- How does recombination in the base-emitter depletion region affect the emitter, base and collector current?
- Explain the four different bias modes of a bipolar transistor.
- Explain why a transistor can have a current gain larger than one in the common emitter mode. Provide the necessary and sufficient conditions needed to obtain a current gain larger than one.
- What is the Early effect and how does it affect the transistor characteristics?
|
