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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define differential gain.
💡 Hint: Think of how much output you get from a difference in input.
Question 2
Easy
What is meant by common-mode rejection?
💡 Hint: Focus on noise that affects both inputs.
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 common-mode signals
- To amplify the difference between inputs
- To measure impedance
💡 Hint: Remember how it filters out noise.
Question 2
True or False: Higher CMRR is desirable in amplifiers.
- True
- False
💡 Hint: Think about interference suppression in signal processing.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a BJT differential amplifier where A_d is measured at 30 and A_cm is at 5. Calculate the CMRR and express it in decibels.
💡 Hint: Use logarithmic conversion for dB.
Question 2
Design an experiment to determine the ICMR of a BJT differential amplifier. What parameters would you measure?
💡 Hint: Focus on input voltage ranges and signal behavior.
Challenge and get performance evaluation