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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 what it means to 'mirror' a current.
Question 2
Easy
Describe the effect of replacing a tail resistor with a current mirror.
💡 Hint: What happens to tail current during voltage variations?
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 benefit of using a current mirror in a differential amplifier?
- Improved thermal efficiency
- Stabilizing tail current
- Reducing circuit size
💡 Hint: Consider how current mirrors help in maintaining consistent operations.
Question 2
True or False: Active loads decrease the differential mode gain of amplifiers.
- True
- False
💡 Hint: Think about the functions of active devices.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a differential amplifier circuit using current mirrors and analyze its performance.
💡 Hint: Start with drawing the basic configuration and calculating the expected gain.
Question 2
Calculate the common mode gain of a specific differential amplifier configuration containing current mirrors.
💡 Hint: Remember to consider the mirror properties affecting impedance.
Challenge and get performance evaluation