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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the output resistance denoted as in amplifiers?
💡 Hint: It's an important parameter for amplifier performance.
Question 2
Easy
Name the two types of sampling methods discussed.
💡 Hint: Think about how feedback is applied.
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 does Zoutf represent in amplifier circuits?
- Input resistance
- Oscillation frequency
- Output resistance
💡 Hint: Consider what happens at the amplifier's output.
Question 2
True or False: Feedback in voltage amplifiers typically decreases the output resistance.
- True
- False
💡 Hint: Think about the benefits of feedback.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An amplifier is designed with a feedback factor of 5 and an open-loop output resistance of 200 ohms. Calculate Zoutf for the voltage sampling method and explain what this means for the amplifier's performance.
💡 Hint: Use the voltage sampling formula.
Question 2
For a current sampling configuration with an initial output resistance of 300 ohms and a feedback factor of 3, what will be the output resistance after feedback is applied? Discuss the implications.
💡 Hint: Remember the use of the current sampling formula.
Challenge and get performance evaluation