27.2 - Voltage Gain of the Circuit
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Practice Questions
Test your understanding with targeted questions
Define voltage gain in the context of an amplifier.
💡 Hint: Think about the relationship between input and output in amplifiers.
What does the emitter resistance (R_E) do in a circuit?
💡 Hint: Consider its impact on circuit performance.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the voltage gain of a common emitter amplifier defined as?
💡 Hint: Think about how an amplifier enhances signals.
True or False: An increase in emitter resistance generally increases the overall gain of an amplifier.
💡 Hint: Consider the trade-offs of resistance in amplifiers.
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Challenge Problems
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Given a circuit with a transconductance of 25 mS and collector resistance of 5 kΩ, determine the voltage gain if the emitter resistance is 1 kΩ.
💡 Hint: Plug in the values carefully into the formula.
Analyze the effect of increasing emitter resistance on the voltage gain. What phenomenon occurs and why should designers be cautious?
💡 Hint: Consider the role of resistance in amplification.
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