Practice - Input Modes
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Practice Questions
Test your understanding with targeted questions
What is differential mode in Op-Amps?
💡 Hint: Think about what the Op-Amp is trying to do with the input signals.
What is common mode in Op-Amps?
💡 Hint: What does the Op-Amp ideally output when both inputs are the same?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the characteristic of the differential mode?
💡 Hint: Focus on the purpose of differential operation.
Is it correct that CMRR measures how well an Op-Amp rejects common-mode signals?
💡 Hint: Reflect on what the CMRR signifies in operational amplifiers.
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Challenge Problems
Push your limits with advanced challenges
Given an Op-Amp circuit with a common-mode input of 2V and a differential input resulting in a CMRR of 50, compute the expected output voltage when both modes interact.
💡 Hint: Combine your knowledge of input interactions and the formula for CMRR.
Discuss the impact of low CMRR on precision measurement devices and propose a design modification to address this issue.
💡 Hint: Consider the implications of common noise in your design.
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Reference links
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