81.1.4 - Improvement of the basic current mirror
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Practice Questions
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What is the purpose of a current mirror?
💡 Hint: Think about circuit stability.
Define output impedance in the context of current mirrors.
💡 Hint: What happens if you have low impedance?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What primary role does a current mirror serve in a circuit?
💡 Hint: Think about circuits where current consistency is key.
True or False: The output impedance can be low in effective current mirrors.
💡 Hint: What happens to circuit current if impedance is low?
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Challenge Problems
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Design a simple current mirror using BJTs and analyze its output characteristics. Specify how you would measure the output impedance.
💡 Hint: Think about the conditions under which BJTs operate well.
Explain how temperature variation might affect the performance of a current mirror. What steps could be taken to minimize this effect?
💡 Hint: Consider how components react to changing temperatures in circuits.
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