Practice - OBJECTIVES
Practice Questions
Test your understanding with targeted questions
Define Class A amplifiers.
💡 Hint: Think about how it operates over the signal's full cycle.
What causes crossover distortion?
💡 Hint: Consider the transition between transistor operations in Class B.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the maximum theoretical efficiency of a Class A amplifier?
💡 Hint: Consider the definitions and characteristics of Class A amplifiers.
True or False: Class B amplifiers are known to have significant crossover distortion.
💡 Hint: Think about how transistors operate in Class B configuration.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the output power and efficiency of a Class B amplifier with a DC power input of 50mW and an AC output power of 30mW.
💡 Hint: Use the efficiency formula and ensure to substitute in the right values.
Discuss how applying feedback might affect the bandwidth of an audio amplifier and give a practical scenario.
💡 Hint: Think about the trade-offs between gain and bandwidth, remembering the concept of gain-bandwidth product.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.