81.2.2 - Operating with available supply voltage
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Practice Questions
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What is the primary function of a current mirror?
💡 Hint: Think about multiple uses in electronic circuits.
Why is high output impedance important in current mirrors?
💡 Hint: Consider the effects of voltage changes on current.
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Interactive Quizzes
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What does a current mirror do?
💡 Hint: Consider its main function in circuits.
True or False: A current mirror can be used as a buffer circuit.
💡 Hint: Think about the roles current mirrors play in circuits.
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Challenge Problems
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Design a schematic diagram representing a basic current mirror using BJTs and explain how it functions with varying supply voltage.
💡 Hint: Consider the characteristics of BJTs and how they operate in saturation.
Analyze the limitations of a current mirror when temperature rises excessively, proposing modifications to improve its reliability.
💡 Hint: Think about intrinsic factors affecting transistor operations.
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