46.2.1 - Small Signal Equivalent Circuit
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Practice Questions
Test your understanding with targeted questions
What is the small signal equivalent circuit used for?
💡 Hint: Think about simplifications for AC signal analysis.
What does a common collector amplifier provide in terms of resistance?
💡 Hint: Consider the behavior of the amplifier on connecting different components.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary use of a small signal equivalent circuit?
💡 Hint: Think about the nature of the signals being studied.
True or False: The voltage gain of a common collector amplifier is typically less than one.
💡 Hint: Reflect on what makes a buffer functional.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A common collector amplifier has a base current of 20µA and a collector resistor of 15kΩ. Calculate the expected output voltage assuming unity gain.
💡 Hint: Reflect on the relationship between base current and collector current.
If the input capacitance of a common collector amplifier is found to limit its bandwidth to 5kHz, how would increasing the capacitance affect the bandwidth?
💡 Hint: Consider how capacitance generally influences frequency response.
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