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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does CMRR stand for?
💡 Hint: Consider what it means in relation to operational amplifiers.
Question 2
Easy
How is CMRR calculated?
💡 Hint: Remember the definitions of open-loop gain and common-mode gain.
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 purpose of CMRR in an operational amplifier?
- To increase output power
- To filter out common signals
- To amplify all inputs
- To reduce output impedance
💡 Hint: Think about what CMRR stands for.
Question 2
True or False: A high CMRR is desirable in operational amplifiers.
💡 Hint: Consider its importance in audio applications.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An op-amp has an open-loop differential gain of 400 and a common-mode gain of 10. Calculate the CMRR in both ratio and decibels.
💡 Hint: Use both the ratio and the decibel formula.
Question 2
Describe a scenario where low CMRR could lead to failure in an application. Explain the impact.
💡 Hint: Think about the function of the device and consequences of noise.
Challenge and get performance evaluation