75.4.2 - Finding Common Mode Gain
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Practice Questions
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What does A_d represent in a differential amplifier?
💡 Hint: Think about what differential amplifiers are designed to amplify.
Why do we want A_c to be as small as possible?
💡 Hint: Consider what would happen if noise were amplified.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the ideal relationship between A_d and A_c in a differential amplifier?
💡 Hint: Recall the basic objectives of a differential amplifier.
The differential mode gain (A_d) is primarily affected by what aspect of the amplifier?
💡 Hint: Think about what signals A_d serves to amplify.
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Challenge Problems
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A differential amplifier with components not matched leads to unexpected behavior at the output. Propose a solution to ensure performance remains robust despite variations.
💡 Hint: Consider methods for stabilizing output against component mismatch.
An engineer needs to design a differential amplifier achieving A_d of 2000 while keeping A_c under 5. What design considerations may help achieve these goals?
💡 Hint: Think about component characteristics and their effects on gain.
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