97.1.2 - Overview of Feedback Configurations
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Practice Questions
Test your understanding with targeted questions
What are the four basic feedback configurations?
💡 Hint: Think of how voltage and current are used in feedback.
What is a desensitization factor?
💡 Hint: It relates to the impact of feedback on gain.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the effect of voltage-shunt feedback on input resistance?
💡 Hint: Think about how feedback modifications work.
True or False: The current-series configuration typically decreases input resistance.
💡 Hint: Consider the definition of 'series' in the context.
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Challenge Problems
Push your limits with advanced challenges
Given a BJT amplifier operating with a voltage-shunt feedback, calculate its expected input and output resistance knowing the base resistance is 1kΩ.
💡 Hint: Start by applying the relationship described earlier regarding the relationships of resistance in feedback.
Design a circuit using op-amp feedback for current stabilization and analyze the expected outcomes.
💡 Hint: Use circuit simulation tools to visualize the gains and output effects.
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