33.5.2 - Small Signal Equivalent Circuit
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Practice Questions
Test your understanding with targeted questions
What is the small signal model?
💡 Hint: Consider how we approach amplifier analysis.
Define voltage gain.
💡 Hint: Think of the significance of amplification.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary characteristic of a small signal model?
💡 Hint: Think about the purpose of using this model in amplifiers.
True or False: The input resistance is affected by the output load.
💡 Hint: Consider how input resistance is primarily defined.
1 more question available
Challenge Problems
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If a common source amplifier has a transconductance of 3 mA/V and a drain resistor of 10 kΩ, find the voltage gain. Then, what implications does this gain have for small signal amplification?
💡 Hint: Use the voltage gain formula and ensure your units align.
Graph the frequency response for a common source amplifier with indicated cutoff frequencies. Discuss how parasitic capacitance at high frequencies modifies performance.
💡 Hint: Consider the physical factors influencing electrical behavior in your graph.
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