low-noise preamplifier

low-noise preamplifier

[′lō ‚nȯiz prē′am·plə‚fī·ər]
(electronics)
A low-noise amplifier placed in a system prior to the main amplifier, sometimes close to the source; used to establish a satisfactory noise figure at an early point in the system.
References in periodicals archive ?
To meet the need for more insight on faster signals, the 6 Series MSO incorporates a new low-noise preamplifier ASIC that lowers noise, especially on signals that are in the hundreds of millivolts peak-to-peak.
Models may be purchased as stand-alone units or in a microphone and low-noise preamplifier combination with iTEDS on-board memory storage capabilities, facilitating their use within larger channel count applications.
It offers the performance of the AK5354 while integrating a low-noise preamplifier (+40 dB to 60 dB) and a condenser microphone power supply.

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