82.1.4 - Current Mirror using BJT Transistor
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Practice Questions
Test your understanding with targeted questions
Define a current mirror.
💡 Hint: Think about the primary function of the circuit.
What role does output resistance play in current mirrors?
💡 Hint: Consider why we care about stability in circuits.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a current mirror do?
💡 Hint: Think about the primary function of a current mirror.
True or False: Base currents in BJTs are negligible in output calculations.
💡 Hint: Consider the significance of each current in a transistor.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a BJT current mirror to provide a stable 5 mA to a load while ensuring minimal voltage drop across the transistors. Explain the considerations for choosing transistor types and configurations.
💡 Hint: Utilize current mirror equations and consider the Early voltage in your analysis.
Compare the theoretical and practical output of a BJT current mirror given variations in collector-emitter voltages across real-world applications.
💡 Hint: Factor in non-ideality features of BJTs when predicting outcomes.
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