Practice Graphs (8.0) - POWER AMPLIFIERS AND FEEDBACK ANALYSIS - Analog Circuit Lab
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GRAPHS

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Practice Questions

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Question 1 Easy

What is the maximum theoretical efficiency of Class A amplifiers?

💡 Hint: Consider how continuously they conduct current.

Question 2 Easy

What type of distortion occurs in Class B amplifiers?

💡 Hint: Think about the zero-crossing of waveforms.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the key characteristic of Class A amplifiers?

They conduct only for half the cycle
They conduct for the entire cycle
They are always in cutoff

💡 Hint: Think about their efficiency.

Question 2

True or False: Negative feedback decreases the input resistance of an amplifier.

True
False

💡 Hint: Consider how feedback affects resistance.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Describe how to design a Class AB amplifier that minimizes crossover distortion, including the component choices and configurations you'd recommend.

💡 Hint: Consider the biasing method and operational characteristics of the transistors.

Challenge 2 Hard

If an amplifier has a gain of 1000 without feedback and a feedback factor of 0.1, determine the closed-loop gain.

💡 Hint: Focus on the influence of feedback on gain.

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