85.3.1 - Small Signal Equivalent Circuit
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Practice Questions
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What is a differential amplifier?
💡 Hint: Think about its functionality with two inputs.
Define a current mirror.
💡 Hint: No hint provided
4 more questions available
Interactive Quizzes
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What does a current mirror do?
💡 Hint: Think about how it uses one current to control another.
True or False: CMRR measures the ability of an amplifier to handle differential signals.
💡 Hint: Consider how common and differential signals differ.
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Challenge Problems
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Design a BJT differential amplifier circuit that uses a current mirror as an active load. Discuss the expected gains and explain your circuit choices.
💡 Hint: Consider the role of each component in the circuit and how they interact.
Analyze a scenario where the common mode gain is higher than the desired output, and provide recommendations for improvement.
💡 Hint: Look at how the current flow affects signal integrity.
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