19.3 - Conclusion
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Practice Questions
Test your understanding with targeted questions
What does transconductance (g_m) measure?
💡 Hint: Think about how the output current reacts to changes in input voltage.
Define the base-emitter resistance in a BJT.
💡 Hint: Consider what resistance affects the input current.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of linearizing non-linear circuits?
💡 Hint: Think of how we make circuits easier to work with.
True or False: The value of g_m is constant regardless of the operating point.
💡 Hint: Consider how changing bias points can affect circuit parameters.
1 more question available
Challenge Problems
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For a given BJT with a collector current of 1 mA and operating at room temperature, design a small signal equivalent circuit. Determine g_m, r_π, and draw the equivalent circuit.
💡 Hint: Use the equations discussed for g_m and r_π to summarize your parameters.
Discuss the consequences of exceeding the linear operating region of a BJT in a circuit. Provide examples of distortion types that may arise.
💡 Hint: Think about how non-linear effects might alter your signals.
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