klystron amplifier

См. также в других словарях:

• Klystron — A klystron is a specialized linear beam vacuum tube (evacuated electron tube). Klystrons are used as amplifiers at microwave and radio frequencies to produce both low power reference signals for superheterodyne radar receivers and to produce high …   Wikipedia

• Klystron — Le klystron est un tube à vide qui permet de réaliser des amplificateurs de moyenne et forte puissance à bande étroite en hyperfréquences. Sommaire 1 Histoire …   Wikipédia en Français

• klystron — [ klistrɔ̃ ] n. m. • 1939; mot angl., du gr. kluxein « envoyer un jet de liquide » ♦ Électron. Tube électronique à hyperfréquence, à modulation de vitesse, dont le faisceau électronique est soumis au champ de deux cavités résonantes. Klystron… …   Encyclopédie Universelle

• klystron — [klīs′trən, klis′trən; klīs′trän΄, klis′trän΄] n. [< Gr klys (see CLYSTER) + (ELEC)TRON] an electron tube that uses electric fields and resonant cavities to bunch electrons from a uniform stream, used as an oscillator, amplifier, etc. in… …   English World dictionary

• 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

• 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

• Linear amplifier — A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. The term usually refers to a type of radio frequency (RF) power amplifier, some of which have output power… …   Wikipedia

• Crossed-field amplifier — A crossed field amplifier (CFA) is a specialized vacuum tube, first introduced in the mid 1950s and frequently used as a microwave amplifier in very high power transmitters. Raytheon engineer William C. Brown s work to adapt magnetron principles… …   Wikipedia

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube …   Universalium

• radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium