80.7.1 - Modification Suggestions for Gain
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Practice Questions
Test your understanding with targeted questions
What is common-mode voltage?
💡 Hint: Think of it as the center level around which both signals oscillate.
Define differential mode gain.
💡 Hint: It's how effectively the amplifier can amplify differences.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the threshold voltage for MOSFETs?
💡 Hint: Recall the specification of MOSFET operations.
True or False: A common-mode voltage that is too low can prevent a transistor from working effectively.
💡 Hint: Think about how voltage polarity affects operation.
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Challenge Problems
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Design a differential amplifier with specified parameters and calculate the appropriate common-mode voltage range ensuring it's correctly set within operational limits.
💡 Hint: Use known threshold voltages and resistance values in calculations.
If the differential gain is 50 and common-mode gain is -1, what adjustments can be made to improve gain response without compromising performance? Provide a concise modification plan.
💡 Hint: Consider how active components interact in comparison to passive components.
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