low-noise amplifier

См. также в других словарях:

• Low Noise Amplifier — auch als erste Stufe in einem LNB Als rauscharmer Verstärker bzw. Low Noise Amplifier (LNA) bezeichnet man eine spezielle Art elektronischer Verstärker, die sich schaltungstechnisch durch besondere Rauscharmut auszeichnen, um extrem schwache… …   Deutsch 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

• low-noise amplifier — mažatriukšmis stiprintuvas statusas T sritis radioelektronika atitikmenys: angl. low noise amplifier vok. rauscharmer Verstärker, m rus. малошумящий усилитель, m pranc. amplificateur à faible bruit, m …   Radioelektronikos terminų žodynas

• Low Noise Block Converter — Als rauscharmer Signalumsetzer (engl. low noise block converter [ləʊ nɔɪz blɒk kənˈvɜːtə], kurz LNB) wird die erste, im Brennpunkt einer Parabolantenne befindliche elektronische Baugruppe einer Satellitenempfangsanlage bezeichnet. Sie setzt die… …   Deutsch Wikipedia

• Low-noise block converter — A low noise block converter (LNB, for low noise block, or sometimes LNC, for low noise converter) is the (receiving, or downlink) antenna of what is commonly called the parabolic (actually paraboloid) satellite dish commonly used for satellite TV …   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

• Noise-figure meter — A noise figure meter is an instrument for measuring the noise figure of an amplifier, mixer, or similar device. An example instrument is the 1983 era Agilent 8970A. Contents 1 Measurement methods 2 Noise source 2.1 Thermal noise …   Wikipedia

• Noise — This article is about noise as an unwanted phenomenon. For other uses, see Noise (disambiguation). NASA researchers at Glenn Research Center conducting tests on aircraft engine noise in 1967 In common use, the word noise means any unwanted …   Wikipedia

• Noise figure — (NF) is a measure of degradation of the signal to noise ratio (SNR), caused by components in a radio frequency (RF) signal chain. The noise figure is defined as the ratio of the output noise power of a device to the portion thereof attributable… …   Wikipedia

• Noise (electronics) — Electronic noise [1] is a random fluctuation in an electrical signal, a characteristic of all electronic circuits. Noise generated by electronic devices varies greatly, as it can be produced by several different effects. Thermal noise is… …   Wikipedia

• Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …   Wikipedia