Practice - Simple BJT Current Mirror Readings
Practice Questions
Test your understanding with targeted questions
Define a BJT current mirror.
💡 Hint: Think about how these mirrors work in electronic devices.
What does IREF stand for?
💡 Hint: Consider the source of the mirrored current.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of a BJT current mirror?
💡 Hint: Think about what current mirrors are used for in circuits.
True or False: The Early effect leads to a constant output current no matter the collector-emitter voltage.
💡 Hint: Consider the nature of the Early effect and its implications.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a simple BJT current mirror with a target reference current of 2mA and a beta of 150. Calculate the expected output current and discuss how to minimize the limitations observed.
💡 Hint: Utilize the correct formula and think critically about each component in the design.
You have a current mirror circuit where the output current decreases drastically as the load resistance increases. Identify potential causes and recommend optimizations.
💡 Hint: Consider both electrical characteristics and physical attributes of the circuit to diagnose issues.
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Reference links
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