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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a differential amplifier do?
💡 Hint: Think about two signals and their differences.
Question 2
Easy
What is CMRR?
💡 Hint: What does the term 'rejection ratio' imply?
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 differential amplifier?
- To amplify a single input signal
- To amplify the difference between two input signals
- To measure resistance
- To provide feedback
💡 Hint: Think about how they process two signals.
Question 2
True or False: A higher CMRR is preferable.
- True
- False
💡 Hint: What does CMRR stand for?
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a BJT differential amplifier with a target differential gain of 50. What component values would you select?
💡 Hint: Use equation A_d = -g_mR_C/2.
Question 2
If you measure A_cm = 0.02V and A_d = 20V/V, what is your CMRR? Discuss its implications.
💡 Hint: Don't forget to convert it to decibels!
Challenge and get performance evaluation