85.2.1 - Current Mirror Circuit
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Practice Questions
Test your understanding with targeted questions
What is a current mirror?
💡 Hint: Think about how it regulates current.
How do you define common mode gain?
💡 Hint: Common mode means applying the same signal.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a current mirror achieve in a differential amplifier?
💡 Hint: Consider its role in regulating current flow.
True or False: Differential mode gain is when the same signal is applied to both inputs.
💡 Hint: Think about the definition of differential input.
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Challenge Problems
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Design a current mirror circuit using BJTs to maintain a tail current of 1mA. Specify component values needed.
💡 Hint: Draw the circuit diagram and calculate the necessary parameters.
Determine the common mode and differential mode gain of a given differential amplifier circuit with the current mirror configuration.
💡 Hint: Relate your findings back to the concept of gain in amplifiers.
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