33.5.1 - Introduction
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Practice Questions
Test your understanding with targeted questions
What is the formula for voltage gain in a common source amplifier?
💡 Hint: Recall the relationship between output voltage, input voltage, and weights.
Define transconductance.
💡 Hint: Focus on what transconductance measures in circuits.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of small signal analysis in amplifiers?
💡 Hint: Think about types of signals analyzed in this approach.
True or False: The output resistance decreases as the gain increases in an amplifier.
💡 Hint: Consider relationships between amplifier performance parameters.
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Challenge Problems
Push your limits with advanced challenges
Design a small signal equivalent circuit for a common source amplifier with given parameters. Calculate voltage gain and input/output resistances.
💡 Hint: Start by determining the DC operating point and work through the analysis step by step.
Explore how varying $g_m$ in a transconductance amplifier affects output current for a fixed input voltage.
💡 Hint: Consider the relationship: output current = g_m × input voltage.
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Reference links
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