47.4.5 - Upper Cutoff Frequency Reevaluation
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Practice Questions
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Define a common collector amplifier.
💡 Hint: Think about the function of this amplifier.
What is transconductance?
💡 Hint: It involves collector current and thermal voltage.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a common collector amplifier?
💡 Hint: Consider its role in circuit stability.
True or False: The upper cutoff frequency can be improved by increasing load capacitance.
💡 Hint: Reflect on how capacitance interacts with frequency.
1 more question available
Challenge Problems
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Design a common collector amplifier for a specific application requiring a voltage gain of 0.95, input impedance above 1MΩ, and output impedance below 50Ω. Calculate the necessary parameters including resistor values.
💡 Hint: Balance gain and resistance values carefully for desired performance.
Given a circuit with a load capacitance of 150pF and output resistance of 70Ω, recalculate the upper cutoff frequency and discuss its implications on circuit performance.
💡 Hint: Analyze shifts in frequency response due to this change.
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