99.2.3 - Small Signal Model Description
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Practice Questions
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What is feedback in electronic circuits?
💡 Hint: Think of it as a loop system.
Define trans-conductance.
💡 Hint: Look for a relationship between voltage and current.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of feedback in amplifiers?
💡 Hint: Think about the overall effect it has on consistency.
True or False: Trans-conductance is unrelated to the efficiency of a transistor.
💡 Hint: Remember its definition as a crucial efficiency metric.
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Challenge Problems
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Calculate the feedback factor (β) for a given amplifier circuit and discuss how it would affect the overall gain.
💡 Hint: Focus on the resistive components in the feedback network.
Examine a small signal model for an amplifier. What adjustments would you make if trans-conductance was increased?
💡 Hint: Consider the ratio of output current to input voltage.
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