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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define common mode gain in the context of differential amplifiers.
💡 Hint: Think about what happens to signals that are identical at both inputs.
Question 2
Easy
What is the role of a current mirror in a differential amplifier?
💡 Hint: Consider the function of copying currents in the circuit.
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 common mode gain of a differential amplifier designed for high performance?
- High
- Low
- Equal to differential gain
💡 Hint: Reflect on the purpose of differential amplifiers.
Question 2
True or False: The current mirror helps to equalize the quiescent currents in a differential amplifier.
- True
- False
💡 Hint: Remember the role of current mirrors in circuit performance.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a differential amplifier with a current mirror that maintains a differential mode gain of 300 while ensuring the common mode gain remains below 0.1. Calculate the needed parameters.
💡 Hint: Consider how varying the values affects both gains.
Question 2
Given a common mode voltage applied to a differential amplifier, analyze how the current mirror's performance gets affected and quantify any changes in output voltage.
💡 Hint: Focus on the characteristics of output voltage variation with common inputs.
Challenge and get performance evaluation