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4 cards from this section. Quick, good the night before a test.
Define single-ended signaling.
Think about how most audio cables work.
What is the purpose of a differential amplifier?
Consider its role in noisy environments.
What is the purpose of a differential amplifier?
Think of its role in reducing noise.
True or False: Single-ended signaling eliminates common noise.
Consider how such signals operate.
A differential amplifier has a differential gain of 50 and a common mode gain of 0.1. If the differential input is 3V, what is the output voltage? What would the common mode output be if the common mode input is 10V?
Multiply the gains by the respective inputs.
Critically analyze what happens when a differential amplifier's common mode gain increases unexpectedly. How does it affect signal quality?
Consider the implications of noise in your analysis.
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