78.2.9 - Input Common Mode Range
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Practice Questions
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What is common mode gain?
💡 Hint: Look for how the amplifier behaves with the same input.
What defines the active region of a transistor?
💡 Hint: Consider the threshold voltages.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens when identical signals are applied to both inputs of a differential amplifier?
💡 Hint: Think about how identical inputs would interact.
True or False: The common mode gain is a positive contributing factor to amplification.
💡 Hint: Consider the purpose of a differential amplifier.
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Challenge Problems
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Determine the common mode gain if the output remains unchanged when identical signals are input. Provide a value for A_c.
💡 Hint: Reflect on how common mode affects outputs.
Examine the effects on output swing if the input common mode voltage varies beyond acceptable limits. Detail possible scenarios.
💡 Hint: Consider the operational characteristics of the transistors.
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