85.4.1 - Common Mode Gain Analysis
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Practice Questions
Test your understanding with targeted questions
What is common mode gain?
💡 Hint: Think about signals that are the same at both inputs.
What role do current mirrors play in differential amplifiers?
💡 Hint: Consider how they manage current flow in the circuit.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of a differential amplifier?
💡 Hint: Think about its name; differential means difference.
True or False: Increasing the Early voltage decreases the common mode gain.
💡 Hint: Recall what Early voltage contributes to transistor operation.
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Challenge Problems
Push your limits with advanced challenges
Given a differential amplifier circuit with specified transistor parameters, determine the impact of reducing the tail current on common mode gain.
💡 Hint: Refer to how tail current influences output characteristics.
Design a scenario where a differential amplifier improves signal integrity in a noisy environment and compare it with a non-differential amplifier.
💡 Hint: Highlight specific examples of applications.
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