Practice - Effect on Output Resistance (Zoutf)
Practice Questions
Test your understanding with targeted questions
What is the output resistance denoted as in amplifiers?
💡 Hint: It's an important parameter for amplifier performance.
Name the two types of sampling methods discussed.
💡 Hint: Think about how feedback is applied.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Zoutf represent in amplifier circuits?
💡 Hint: Consider what happens at the amplifier's output.
True or False: Feedback in voltage amplifiers typically decreases the output resistance.
💡 Hint: Think about the benefits of feedback.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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Reference links
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