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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main function of a current mirror?
💡 Hint: Think about stability in current sources.
Question 2
Easy
Name the two main types of current mirrors discussed.
💡 Hint: One operates with voltage and the other with current carriers.
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 does a current mirror do?
- Generates voltage
- Replicates a reference current
- Amplifies signals
💡 Hint: Consider the main application in circuits.
Question 2
True or False: MOSFET current mirrors typically have lower precision than BJT models.
- True
- False
💡 Hint: Think about their gate characteristics.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a current mirror circuit using BJTs for a reference current of 2mA. Explain how you would select transistor sizes and any resistive elements needed.
💡 Hint: Consider the relationships between V_BE and I_C in your calculations and ensure sufficient V_CC.
Question 2
Explain the effects of temperature on the performance of a Widlar current mirror, particularly regarding output current.
💡 Hint: Reflect on the temperature coefficients of silicon and their impact on transistor behavior.
Challenge and get performance evaluation