parametric amplifier


Definition of parametric amplifier

: a high-frequency amplifier whose operation is based on time variations in a parameter (such as reactance) and which converts the energy at the frequency of an alternating current into energy at the input signal frequency in such a way as to amplify the signal

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First Known Use of parametric amplifier

1959, in the meaning defined above

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The first known use of parametric amplifier was in 1959

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Cite this Entry

“Parametric amplifier.” Dictionary, Merriam-Webster, Accessed 19 Sep. 2020.

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