Practice - CMRR Calculation
Practice Questions
Test your understanding with targeted questions
What does CMRR measure?
💡 Hint: Think about how you want to amplify differences, not similarities.
Write the formula for calculating CMRR.
💡 Hint: What do we divide to find the ratio?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for CMRR?
💡 Hint: Think about what it really means to measure how signals are amplified.
High CMRR is desirable in amplifier design.
💡 Hint: Consider how noise impacts signal clarity.
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Challenge Problems
Push your limits with advanced challenges
You have a differential amplifier with A_d = 200 and A_{cm} = 5. Calculate the CMRR and express it in dB.
💡 Hint: Use both the ratio formula and the logarithmic conversion carefully.
Discuss the effects of component mismatches in a differential amplifier on CMRR. Provide examples.
💡 Hint: Consider how each component contributes to the overall gain.
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Reference links
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