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3 cards from this section. Quick, good the night before a test.
What is a differential amplifier?
Think about its function.
What does common mode gain measure?
Remember: it's the opposite of differential mode gain.
What is the function of a differential amplifier?
Think about what it does best.
True or False: A low common mode gain is desirable in a differential amplifier.
Consider what happens if the gain is high.
Design a differential amplifier circuit that minimizes common mode signals while maximizing differential signals. Discuss your components and their arrangement.
Think about resistor values and op-amp configurations.
A differential amplifier has a differential gain of 25 and a common mode gain of 1. Calculate the output if the inputs are 0.2V and 0.5V.
Follow the formulas for differential and common mode calculations.
4 more questions in this section. Enroll free to practise them all.
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