preamplifier


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pre·am·pli·fi·er

 (prē-ăm′plə-fī′ər)
n.
An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.

preamplifier

(priːˈæmplɪˌfaɪə)
n
(Electronics) an electronic amplifier used to improve the signal-to-noise ratio of an electronic device. It boosts a low-level signal to an intermediate level before it is transmitted to the main amplifier. Sometimes shortened to: preamp

pre•am•pli•fi•er

(priˈæm pləˌfaɪ ər)

n.
a device in an amplifier circuit, as of a radio or phonograph, that increases the strength of a weak signal for detection and further amplification.
[1930–35]
Translations

preamplifier

[ˌpriːˈæmplɪfaɪəʳ] Npreamplificador m

preamplifier

, preamp (inf)
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References in periodicals archive ?
Tenders are invited for Pv Mct Detector With Matched Preamplifier
Supported probes include many popular Tektronix probes, preamplifiers, current probes, single-ended active probes and differential active probes, such as the Tektronix ADA400A differential preamplifier, the Tektronix TCP202 and TCP202A current probes, the Tektronix P6205, P6243, P6245, P6241, and P6249 single-ended active probes, and the Tektronix P6246, P6247, P6248, P6250, P6250, P5205, P5205A, P5210, and P5210A differential and high voltage differential active probes.
Starting with a phonograph preamplifier, PS Audio quickly emerged as a top brand in high-end audio.
15, 2011 /PRNewswire/ -- ACCELERATING INNOVATION SUMMIT -- LSI Corporation (NYSE: LSI) today announced the TrueStore[R] PA5100 and PA5200, the company's latest high-performance, low-power preamplifier integrated circuits (IC) for the notebook, desktop and enterprise hard disk drive (HDD) market segments.
The compact system has laptop capability and features remote control and an impedance display on the preamplifier, allowing the tester to move away from the computer and be in close contact with the patient.
Each microphone cartridge is connected with preamplifier units followed by 4-th order active low-pass anti-aliasing filter with Sallen-Key topology based on low power quad operational amplifiers LM324 (***, 2000).
Worldwide Computer Products News-5 November 2007-LSI introduces PA2500 preamplifier integrated circuit(C)1995-2007 M2 COMMUNICATIONS LTD http://www.
The preamplifier noise alone is 100 times smaller than counting statistics at the rates that will be encountered during the [A.
It was hot on the heels of Ken Duke's review of the original AVA Omega III EC preamplifier (No.
Conventional facilities were completed in September 2001, with "first light" through a four-beam "quad" oscillator, preamplifier and main power amplifier in October 2002.
A preamplifier control pod, which features separate main volume and subwoofer level controls, a headphone jack and the miniplug input, is located on one of the satellite units.
The Super Audio CD player is initially targeted at audiophiles in the high-end market and is priced at some 500,000 yen, with related devices such as a preamplifier priced at 600,000 yen, a power amplifier at 900,000 yen and a speaker system at 1 million yen.