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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary function of a current mirror?
💡 Hint: Think about how circuit stability is maintained.
Question 2
Easy
Define output resistance in the context of a current mirror.
💡 Hint: Why is this stability important?
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 is the primary purpose of a current mirror?
- To amplify a signal
- To provide a stable output current
- To act as a voltage regulator
💡 Hint: Think about what current mirrors are used for in circuits.
Question 2
True or False: The non-ideality factor is always greater than 1.
- True
- False
💡 Hint: Reflect on how voltage differences influence this factor.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a current mirror design using MOSFETs with stated λ, calculate the output current if the reference current is 100 μA and the drain-source voltages are 0.2V apart.
💡 Hint: Review the expression for output current.
Question 2
In a BJT current mirror, if the base current is significant, how do you derive the relationship between I2 and I1 accounting for base losses?
💡 Hint: Try to express the base currents in terms of I2 and I1.
Challenge and get performance evaluation