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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a current mirror do?
💡 Hint: Think about biasing of transistors.
Question 2
Easy
What are the operational regions of a BJT?
💡 Hint: Recall the regions and their significance.
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 voltage
- To mimic a reference current
- To reduce power consumption
💡 Hint: Think of its role in biasing.
Question 2
True or False: Cascode configurations enhance output resistance in current mirrors.
- True
- False
💡 Hint: Review how cascoding impacts performance.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a BJT current mirror with an output resistance of 100 kΩ, how would changing the biasing resistor influence the mirror performance?
💡 Hint: Analyze the relationship between bias current and resistor value.
Question 2
If a BJT current mirror uses cascode transistors stacked, how would you expect the output current to behave with varying load conditions?
💡 Hint: Consider how output resistance impacts current flow.
Challenge and get performance evaluation