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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a current mirror and its purpose.
💡 Hint: Consider what current mirrors stabilize.
Question 2
Easy
What is a reference current?
💡 Hint: Think of it as the 'target' current.
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 function of a current mirror?
- To amplify voltage
- To provide stable current
- To filter signals
💡 Hint: Focus on stability and consistency.
Question 2
True or False: Early voltage is not relevant in a BJT current mirror.
- True
- False
💡 Hint: Think about how BJTs behave under different conditions.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a BJT current mirror where the supply voltage is 12V, the resistor is 22.8 kΩ, and reverse saturation currents are provided, calculate the expected output current.
💡 Hint: Break down the parameters systematically.
Question 2
Design a BJT current mirror with a beta-helper and evaluate how the output changes when adjusting the reference current.
💡 Hint: Consider how base currents influence total output.
Challenge and get performance evaluation