Practice Class B / Class Ab Power Amplifier Data (7.2) - POWER AMPLIFIERS AND FEEDBACK ANALYSIS
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Class B / Class AB Power Amplifier Data

Practice - Class B / Class AB Power Amplifier Data

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary feature of Class B amplifiers?

💡 Hint: Think about how many degrees a transistor operates in a cycle.

Question 2 Easy

Name one major drawback of Class B amplifiers.

💡 Hint: Recall the term that refers to distortion around zero crossings.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a characteristic of Class B amplifiers?

Always operates in saturation
Uses both transistors for 180 degrees of the signal
Has a higher power dissipation than Class A

💡 Hint: Think about how each transistor operates during the input cycle.

Question 2

True or False: Class AB amplifiers eliminate crossover distortion completely.

True
False

💡 Hint: Consider the operational design of Class AB amplifiers.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a Class B amplifier has a maximum output power capability of 30W, calculate the minimum DC input power needed to reach this maximum output considering max theoretical efficiency.

💡 Hint: Remember to think about the efficiency percentage.

Challenge 2 Hard

Design a hypothetical Class AB amplifier circuit that operates between 5V and 15V with specifications for biasing and expected efficiency. Discuss how your choices would mitigate distortion.

💡 Hint: Think about how your design choices affect operation and performance expectations.

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