87.1 - Analog Electronic Circuits
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Practice Questions
Test your understanding with targeted questions
Define a current mirror.
💡 Hint: Think about how it operates within a circuit.
What is the purpose of a cascode transistor in a current mirror?
💡 Hint: Consider what happens to the transistor configuration.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a current mirror in electronics?
💡 Hint: Think about the key purpose of mirrors in context.
True or False: Cascode transistors improve the output resistance of current mirrors.
💡 Hint: Consider the impact of added transistors on resistance.
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Challenge Problems
Push your limits with advanced challenges
Design a cascode current mirror using BJTs to achieve a specific output current of 1.5 mA. Determine required biasing resistors to ensure the circuit operates correctly.
💡 Hint: Start with the required output current, then derive the biasing needs from the transistor characteristics.
Explain how the inclusion of a cascode transistor impacts the dynamic response of a common source amplifier circuit. Discuss the influence on bandwidth and frequency response.
💡 Hint: Focus on the trade-offs between resistance and amplifier response.
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