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2 cards from this section. Quick, good the night before a test.
What is differential mode gain?
Think about how it enhances differences.
Define common mode gain.
What happens when the same signal is applied?
What is the primary purpose of a differential amplifier?
Focus on what it amplifies.
Common mode gain should be high for effective operation.
Reflect on common mode impacts.
Calculate the differential output voltage for a differential amplifier with a supply voltage of 12V, input voltages of 0.8V differential, and with transconductance of 2mA/V^2. What is the expected output?
Aggregate the voltage swings and their impact on the output.
You have designed an amplifier where the common mode gain turns out to be equal to the differential gain. Discuss the implications for circuit reliability and performance.
Consider the noise and stability factors.
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