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Definisjon av electron tube

Vi fant 2 definisjoner av electron tube på engelsk.

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WordNet WordNet by Princeton University

Noun
electron tube - electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
tube, vacuum tube, thermionic vacuum tube, thermionic tube, thermionic valve
electronic device a device that accomplishes its purpose electronically
electric circuit, electrical circuit, circuit an electrical device that provides a path for electrical current to flow
acorn tube a small vacuum tube; used at high frequencies
anode a positively charged electrode by which electrons leave an electrical device
cathode a negatively charged electrode that is the source of electrons entering an electrical device
rectifying tube, rectifying valve, diode a semiconductor that consists of a p-n junction
electrode a conductor used to make electrical contact with some part of a circuit
electron multiplier a vacuum tube that amplifies a flow of electrons
gas-discharge tube a tube in which an electric discharge takes place through a gas
control grid, grid a cooking utensil of parallel metal bars; used to grill fish or meat
klystron an electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation
magnetron a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators
pentode a thermionic tube having five electrodes
plate dish on which food is served or from which food is eaten
television-camera tube, television pickup tube a tube that rapidly scans an optical image and converts it into electronic signals
tetrode a thermionic tube having four electrodes
triode a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible
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Wiktionary Wiktionary dictionary logo

Substantiv
electron tube - Any of several devices consisting of a sealed chamber, either evacuated or filled with gas at low pressure, in which an electric current flows between electrodes.

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