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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a current mirror?
💡 Hint: Think about how it regulates current.
Question 2
Easy
How do you define common mode gain?
💡 Hint: Common mode means applying the same signal.
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 achieve in a differential amplifier?
- Increases noise
- Maintains constant current
- Decreases gain
💡 Hint: Consider its role in regulating current flow.
Question 2
True or False: Differential mode gain is when the same signal is applied to both inputs.
- True
- False
💡 Hint: Think about the definition of differential input.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a current mirror circuit using BJTs to maintain a tail current of 1mA. Specify component values needed.
💡 Hint: Draw the circuit diagram and calculate the necessary parameters.
Question 2
Determine the common mode and differential mode gain of a given differential amplifier circuit with the current mirror configuration.
💡 Hint: Relate your findings back to the concept of gain in amplifiers.
Challenge and get performance evaluation