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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define differential gain (A_d).
💡 Hint: Think about the output in relation to the difference between inputs.
Question 2
Easy
What does CMRR stands for?
💡 Hint: It measures an amplifier's ability to reject common-mode signals.
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 the differential amplifier primarily amplify?
- Common signals
- Differential signals
- Noise signals
💡 Hint: Think about the amplifier's purpose.
Question 2
True or False: A perfect common-mode gain (A_cm) should be zero.
- True
- False
💡 Hint: Consider what the amplifier is supposed to do.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a BJT differential amplifier is experiencing a significant amount of common-mode noise, what design adjustments could improve its CMRR?
💡 Hint: Think about what design features help to improve signal integrity.
Question 2
Design a BJT differential amplifier with a target CMRR of at least 60 dB. Given your component values for A_d and A_cm, confirm that your design meets this requirement.
💡 Hint: Focus on the formulas we practiced.
Challenge and get performance evaluation