93.1.4 - Trans-Impedance Amplifier Feedback Configuration
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Practice Questions
Test your understanding with targeted questions
What does a trans-impedance amplifier do?
💡 Hint: Think about the signals involved.
Explain shunt feedback.
💡 Hint: Consider how it connects to the circuit.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a main function of a trans-impedance amplifier?
💡 Hint: Think about the flow direction of signals.
True or False: Shunt feedback is applied when feedback is taken in series.
💡 Hint: Recall how feedback configurations are categorized.
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Challenge Problems
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Given a trans-impedance amplifier with a feedback factor of β = 0.1 and an ideal input current of 5 mA, calculate the output voltage.
💡 Hint: Apply the feedback factor to modify the input current before calculating voltage.
Analyze how introducing a finite resistor in parallel would impact an amplifier's performance and derive how it affects output resistance.
💡 Hint: Think about how currents are divided in parallel circuits.
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