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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main purpose of a power amplifier?
💡 Hint: Think about what it amplifies.
Question 2
Easy
Name the three classes of amplifiers discussed.
💡 Hint: Recall the designations commonly used for amplifiers.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What class of amplifier is known for having the highest linearity?
- Class A
- Class B
- Class AB
💡 Hint: Think about which class conducts throughout the full cycle.
Question 2
True or False: Class B amplifiers are more efficient than Class A.
- True
- False
💡 Hint: Consider the operational aspects of both classes.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a Class A amplifier operates with an input power of 300mW and an output of 90mW, calculate its efficiency. Discuss possible reasons for its efficiency being below the theoretical limit.
💡 Hint: Consider practical limitations of the components used in the circuit.
Question 2
Design a Class AB amplifier circuit using two BJTs to mitigate crossover distortion. Explain how your designed biasing method will help.
💡 Hint: Recall the role of biasing in ensuring active conduction around zero crossings.
Challenge and get performance evaluation