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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 the purpose of mirroring currents.
Question 2
Easy
What is a cascode transistor?
💡 Hint: Consider its placement in a circuit.
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 main advantage of using a cascode transistor in a current mirror?
- A. Increase bandwidth
- B. Increase output resistance
- C. Decrease power consumption
💡 Hint: Think about the role of cascode in stabilizing circuits.
Question 2
True or False: The output resistance of a current mirror decreases when a cascode configuration is used.
- True
- False
💡 Hint: Consider what happens to resistance when transistors are cascaded.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a BJT current mirror that incorporates a cascode configuration. Calculate the required resistor values for biasing and determine the output resistance based on given parameters.
💡 Hint: Consider both transistors' characteristics and the guidelines for biasing.
Question 2
Given an n-channel MOSFET current mirror with specific g_m and r_o parameters, compute the output current when the input voltage fluctuates within specified limits.
💡 Hint: Look back at the formula connecting input voltage change to output changes.
Challenge and get performance evaluation