- A microwave amplifier whose main oscillator is tuned to the received frequency while a pumping oscillator of a different frequency varies one or more parameters, such as capacitance or reactance, of the main oscillator. The energy from the pumping action amplifies the applied signal. Such amplifiers feature a very low noise level, and are used, for instance, in satellite communications and radars. Its abbreviation is paramp.
- abbreviation paramp
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