Gain
In electronics, gain is a measure of the ability of a circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the output. It is usually defined as the mean ratio of the signal output of a system to the signal input of the same system. It may also be defined on a logarithmic scale, in terms of the decimal logarithm of the same ratio ("dB gain"). A gain greater than one (zero dB), that is, amplification, is the defining property of an active component or circuit, while a passive circuit will have a gain of less than one.
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Famous quotes containing the word gain:
“And who, in time, knows whither we may vent
The treasure of our tongue, to what strange shores
This gain of our best glory shall be sent,
T’enrich unknowing nations with our stores?
What worlds in th’yet unformed Occident
May come refined with th’accents that are ours?”
—Samuel Daniel (c.1562–1619)
“If I were to be taken hostage, I would not plead for release nor would I want my government to be blackmailed. I think certain government officials, industrialists and celebrated persons should make it clear they are prepared to be sacrificed if taken hostage. If that were done, what gain would there be for terrorists in taking hostages?”
—Margaret Mead (1901–1978)
“She is watching her country lose its evoked master shape watching
it lose
And gain get back its houses and peoples watching it bring up
Its local lights single homes lamps on barn roofs”
—James Dickey (b. 1923)