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2 cards from this section. Quick, good the night before a test.
What is a common mode signal?
Think about signals that are the same on both ends.
Define differential mode signal.
Consider what happens when two different signals are applied.
What happens when identical signals are applied to both inputs?
Think about how the outputs combine.
True or False: Common mode gain is always higher than differential mode gain.
Consider the purpose of each gain type.
You have a differential amplifier where the common mode gain is calculated to be -2. If the input common mode signal is 5V, what will be the effect on the output?
Use the common mode gain formula.
Given a differential amplifier setup with varied common mode voltage, evaluate how this impacts the linearity of the output, specifically when large input signals approach saturation.
Consider the relationship between input levels and resultant output.
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