92.1.8 - Transimpedance Amplifier Overview
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Practice Questions
Test your understanding with targeted questions
What is a transimpedance amplifier?
💡 Hint: Think about the role it plays in sensor applications.
What is the ideal input resistance of a transimpedance amplifier?
💡 Hint: How does this affect the source connected to it?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a transimpedance amplifier?
💡 Hint: Think about the applications it serves.
Negative feedback in amplifiers serves to:
💡 Hint: What does feedback typically do?
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a transimpedance amplifier set up with a feedback factor β = 0.3 and an open-loop gain A = 50, calculate the new input resistance given the original input resistance R_in = 100kΩ.
💡 Hint: Use the feedback formula we've discussed.
Explain how a load resistance of 1kΩ affects the input and output performance of a transimpedance amplifier originally designed with ideal characteristics.
💡 Hint: Consider how loading affects current and voltage relationship.
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