Negative-feedback amplifier
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A negative-feedback amplifier is an electronic amplifier that subtracts a fraction of its output from its input, so that negative feedback opposes the original signal. The applied negative feedback ca
Figure 2: Gain vs. frequency for a single-pole amplifier with and without feedback; corner frequencies are labeled
Negative feedback
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Negative feedback occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in t
Feedback loops in the human body