23.2.2 - Department of Electronics and Electrical Communication Engineering
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Practice Questions
Test your understanding with targeted questions
What is a current amplifier?
💡 Hint: Consider the type of signals managed by the amplifier.
What does unloaded current gain indicate?
💡 Hint: Think about testing an amplifier with no devices connected.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does an unloaded current gain of 5 mean?
💡 Hint: Think about how gain changes the input and output relation.
True or False: A current amplifier can also amplify voltage.
💡 Hint: Remember, each amplifier type serves a specific purpose.
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Challenge Problems
Push your limits with advanced challenges
Design and describe a circuit featuring both a current amplifier and a transimpedance amplifier. Explain how the output of the first amplifier drives the second.
💡 Hint: Remember the signal flow from current to voltage!
A current amplifier has an internal resistance of 150 ohms and is connected to a load of 450 ohms. What is the effective current gain considering loading effects?
💡 Hint: Consider resistance in parallel and the impact on current transfer.
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