88.4.6 - Differential and Common Mode Gain
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Practice Questions
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Define differential gain.
💡 Hint: Think about how amplifiers respond to differences between input voltages.
What does a current mirror do?
💡 Hint: Consider its purpose in biasing transistors.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is differential gain?
💡 Hint: Focus on the terms 'differential' and 'gain', tied to input differences.
The purpose of a current mirror is to:
💡 Hint: Think about how effective they are in maintaining current consistency.
1 more question available
Challenge Problems
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You have a differential amplifier with a differential input of 0.1 V and common mode input of 1 V. If the differential gain is 2000, what will be the output voltage?
💡 Hint: Focus on how the differential gain is applied to the input difference.
Calculate the impact of Early voltage on the output current of a current mirror if the Early voltage is 50V and Vce for the output transistor is 1V.
💡 Hint: Think about how the current mirror effectiveness correlates with Early voltage.
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