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2 cards from this section. Quick, good the night before a test.
What is differential mode gain?
Think about differences in signals.
Why is common mode gain minimized in amplifiers?
Consider the effect of noise.
What does differential mode gain measure?
Think about what needs to be amplified.
True or False: A high common mode gain is desirable in a differential amplifier.
Consider the quality of the output.
Design a circuit that minimizes common mode gain while achieving a differential gain of 60. Describe component selection.
Think about the relationship between gain and resistor values.
In a given differential amplifier, if the common mode gain is measured at 5 and the differential gain at 50, calculate the common mode rejection ratio (CMRR).
Make sure to recall the CMRR definition.
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