parametric amplifier
noun Electronics.
a device, as an electron tube or transistor, that amplifies a high-frequency input signal by sinusoidally varying the reactance of the circuit.
Nearby words
- parament,
- paramesonephric duct,
- parameter,
- parameterize,
- parametric,
- parametric equalizer,
- parametric equation,
- parametric equations,
- parametric statistics,
- parametritis
Origin of parametric amplifier
First recorded in 1955–60
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
parametric amplifier
noun
a type of high-frequency amplifier in which energy from a pumping oscillator is transferred to the input signal through a circuit with a varying parameter, usually a varying reactance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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