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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a current mirror.
💡 Hint: Think about the primary function of the circuit.
Question 2
Easy
What role does output resistance play in current mirrors?
💡 Hint: Consider why we care about stability in circuits.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a current mirror do?
- Duplicates voltage
- Duplicates current
- Amplifies current
💡 Hint: Think about the primary function of a current mirror.
Question 2
True or False: Base currents in BJTs are negligible in output calculations.
- True
- False
💡 Hint: Consider the significance of each current in a transistor.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation