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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the function of a differential pair in an op-amp?
💡 Hint: Think about what it means to amplify the difference.
Question 2
Easy
Define open-loop gain.
💡 Hint: Consider the amplification that happens in an op-amp without any feedback mechanism.
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 pair in an op-amp?
- To amplify input voltage
- To filter signals
- To amplify the voltage difference
💡 Hint: Think about what it means to amplify the difference.
Question 2
True or False: High CMRR is important for an operational amplifier.
- True
- False
💡 Hint: Consider what happens when common signals are amplified along with the desired signal.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a basic CMOS op-amp using NMOS and PMOS transistors while defining the values for open-loop gain and input/output impedance that would meet typical application requirements.
💡 Hint: Think about how transistor configurations will affect your gain and impedance.
Question 2
Given the open-loop gain of an op-amp of 1500 and a common-mode gain of 50, calculate the CMRR and discuss the implications on the amplifier's noise rejection.
💡 Hint: Use the CMRR formula as a guide.
Challenge and get performance evaluation