selenium+rectifier

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• Selenium rectifier — Selenium rectifiers were invented in 1933. They were used to replace vacuum tube rectifiers and in high current battery charger applications where previously only dc generators could be be used. Vacuum tubes could not put out the tens of Amperes… …   Wikipedia

• selenium rectifier — seleno lygintuvas statusas T sritis fizika atitikmenys: angl. selenium rectifier vok. Selengleichrichter, m rus. селеновый выпрямитель, m pranc. redresseur à sélénium, m …   Fizikos terminų žodynas

• selenium rectifier — noun : a rectifier employing the asymmetrical conductivity characteristic of selenium * * * a rectifier consisting of laminated plates of metal, usually iron, that have been coated with selenium on one side, with rectification taking place… …   Useful english dictionary

• selenium rectifier — a rectifier consisting of laminated plates of metal, usually iron, that have been coated with selenium on one side, with rectification taking place because the flow of electrons from the conductive metal to the selenium occurs more readily than… …   Universalium

• selenium rectifier — /səˌliniəm ˈrɛktəfaɪə/ (say suh.leeneeuhm rektuhfuyuh) noun a rectifier which consists of alternate layers of iron and selenium in contact …  

• Rectifier — A rectifier is an electrical device that converts alternating current (AC) to direct current (DC), a process known as rectification. Rectifiers have many uses including as components of power supplies and as detectors of radio signals. Rectifiers …   Wikipedia

• Selenium — (pronEng|səˈliniəm) is a chemical element with the atomic number 34, represented by the chemical symbol Se, an atomic mass of 78.96. It is a nonmetal, chemically related to sulfur and tellurium, and rarely occurs in its elemental state in nature …   Wikipedia

• Metal rectifier — Selenium rectifier A metal rectifier is an early type of semiconductor rectifier in which the semiconductor is copper oxide or selenium. They were used in power applications to convert alternating current to direct current in devices such as… …   Wikipedia

• redresseur à sélénium — seleno lygintuvas statusas T sritis fizika atitikmenys: angl. selenium rectifier vok. Selengleichrichter, m rus. селеновый выпрямитель, m pranc. redresseur à sélénium, m …   Fizikos terminų žodynas

• Mechanical rectifier — A mechanical rectifier is a device for converting alternating current (AC) to direct current (DC) by means of mechanically operated switches. The best known type is the commutator, which is an integral part of a DC dynamo but, before solid state… …   Wikipedia

• All American Five — The All American Five was a mass produced, superheterodyne radio receiver with five vacuum tubes first designed and produced in the USA in the 1930s.The radio was called the All American Five because the design represented the majority of radios… …   Wikipedia