Unit 8: BJT Class B Power Amplifiers
Learning Objectives
After completing this chapter, you should be able to:
- Define class B operation.Determine AC load lines for class B amplifier stages.
- Determine the compliance, maximum load power, efficiency and required device ratings for class B circuits.
- Discuss the advantages and disadvantages of class B operation versus class A operation.
- Discuss the origin of notch distortion and methods used to mitigate it.
- Explain the operation of a current mirror.
- Explain the operation of a Sziklai pair.
- Explain the operation and use of a VBE multiplier.
- Outline the operation of fully complimentary and quasi complimentary output stages utilizing direct coupled driver stages.
- Discuss methods to protect the output devices from overload.
