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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 of it as a current duplicator.
Question 2
Easy
What does the W/L ratio in MOSFETs signify?
💡 Hint: This relates to the geometry of the MOSFET.
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 a current mirror primarily used for?
- Voltage amplification
- Current replication
- Signal processing
💡 Hint: Consider what 'mirroring' means in electronics.
Question 2
True or False: The output current in a BJT current mirror is the same as the reference current.
- True
- False
💡 Hint: Think about the role of base current in BJT operation.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a BJT current mirror circuit with at least two transistors and calculate the output current based on given reference current and saturation current characteristics.
💡 Hint: Consider the collector and base current relationships in your calculations.
Question 2
Explain a method to enhance the output resistance of a current mirror and discuss the significance of this enhancement in real-world applications.
💡 Hint: Why would you want your current more stable amidst changing conditions?
Challenge and get performance evaluation