81.3.2 - Fourth Version: Current Reference with Current Mirror
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Practice Questions
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What is a current mirror?
💡 Hint: Think about circuits that duplicate currents.
List one characteristic of a good current biasing element.
💡 Hint: Consider stability and performance factors.
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Interactive Quizzes
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What is the primary function of a current mirror?
💡 Hint: Focus on the functionality of the current mirror.
True or False: Current mirrors have low output impedance.
💡 Hint: Recall the definition of output impedance in current mirrors.
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Challenge Problems
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Design a current mirror that can handle varying temperatures without significant changes in output current. Discuss components and configurations.
💡 Hint: Consider feedback mechanisms that can reduce temperature effect.
Analyze a circuit with a current mirror that fails to produce the expected output current. Identify potential reasons for this failure.
💡 Hint: Review the characteristics of operational transistors affected by circuit elements.
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