narrow-band amplifier

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• narrow-band amplifier — siaurajuostis stiprintuvas statusas T sritis fizika atitikmenys: angl. narrow band amplifier vok. Schmalbandverstärker, m rus. узкополосный усилитель, m pranc. amplificateur à bande étroite, m …   Fizikos terminų žodynas

• Distributed amplifier — Distributed amplifiers are circuit designs that incorporate transmission line theory into traditional amplifier design to obtain a larger gain bandwidth product than is realizable by conventional circuits. N stage traveling wave amplifier …   Wikipedia

• Amplifier — For other uses, see Amplifier (disambiguation). Generally, an amplifier or simply amp, is a device for increasing the power of a signal. In popular use, the term usually describes an electronic amplifier, in which the input signal is usually a… …   Wikipedia

• Band-stop filter — A generic ideal band stop filter, showing both positive and negative angular frequencies In signal processing, a band stop filter or band rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific… …   Wikipedia

• band — I (New American Roget s College Thesaurus) n. strip, stripe, filament; brassard; belt, strap; group, crowd; orchestra, brass or military band. See assemblage, music. II (Roget s IV) n. 1. [A beltlike strip] Syn. ribbon, belt, line, strip, tape,… …   English dictionary for students

• Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… …   Wikipedia

• Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …   Wikipedia

• Lock-in amplifier — A lock in amplifier (also known as a phase sensitive detector) is a type of amplifier that can extract a signal with a known carrier wave from extremely noisy environment (S/N ratio can be as low as 60 dB or even lessFact|date=December 2007). It… …   Wikipedia

• Low-noise amplifier — The low noise amplifier (LNA) is a special type of electronic amplifier or amplifier used in communication systems to amplify very weak signals captured by an antenna. It is often located very close to the antenna, so that losses in the feedline… …   Wikipedia

• lock-in amplifier — /lɒk ɪn ˈæmpləfaɪə/ (say lok in ampluhfuyuh) noun an amplifier which is sensitive to a very narrow band of frequencies; used to extract a faint signal from background noise …  

• Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… …   Wikipedia