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2 cards from this section. Quick, good the night before a test.
What does A_d represent in a differential amplifier?
Think about which gain factor amplifies the difference between signals.
What negative impact does A_c have when large?
Consider what happens when common signals affect output.
What impact does a significant common mode gain (A_c) have on the output signal?
Think about how unwanted signals function.
True or False: A differential amplifier's primary function is to amplify both common and differential inputs equally.
Recall the function of these amplifiers.
A differential amplifier shows a differential mode gain of 50 and a common mode gain of 2. Analyze the output when given a signal that has both components.
Compare the influence of both gains on final output.
If two signals are introduced to a differential amplifier where A_c = 10 and both inputs are perfectly in-phase, what characteristics will the output exhibit?
Think about amplification rules for combined phase signals.
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