Practice Circuit Construction (6.1.2) - POWER AMPLIFIERS AND FEEDBACK ANALYSIS
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Circuit Construction

Practice - Circuit Construction - 6.1.2

Learning

Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.