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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating differential gain (A_d)?
💡 Hint: Consider what you measure at the output and input.
Question 2
Easy
How do common-mode signals affect the output of a differential amplifier?
💡 Hint: Think about what happens when both inputs are the same.
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_d measure in a differential amplifier?
- Difference Gain
- Input Voltage
- Average Gain
💡 Hint: Remember we discussed how amplifiers respond to changes.
Question 2
True or False: A perfect differential amplifier should produce a non-zero output for common-mode signals.
- True
- False
💡 Hint: Think of what happens when both inputs are identical.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A differential amplifier has a differential voltage gain (A_d) of 50 with a common-mode gain (A_cm) of 0.02. Calculate the CMRR and discuss its significance.
💡 Hint: Apply the correct formulas and interpret the results in a practical sense.
Question 2
If the input common-mode voltage exceeds the ICMR of ±1V in a given circuit, discuss the potential implications on the output behavior.
💡 Hint: Reflect on the behavior of transistors beyond their active region limits.
Challenge and get performance evaluation