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- Plate_electrode abstract "In electronics, a plate, usually called anode in Britain, is a type of electrode that forms part of a vacuum tube. It is usually made of sheet metal, connected to a wire which passes through the glass envelope of the tube to a terminal in the base of the tube, where it is connected to the external circuit. The plate is given a positive potential, and its function is to attract and capture the electrons emitted by the cathode. Although it is sometimes a flat plate, it is more often in the shape of a cylinder or flat open-ended box surrounding the other electrodes.The plate must dissipate heat created when the electrons hit it with a high velocity after being accelerated by the voltage between the plate and cathode. Most of the waste power used in a vacuum tube is dissipated as heat by the plate. In low power tubes it is usually given a black coating, and often has "fins" to help it radiate heat. In power vacuum tubes used in radio transmitters it is often made of a refractory metal like molybdenum. and is part of a large heat sink that projects through the glass or ceramic tube envelope and is cooled by radiation cooling, forced air or water.A problem in early vacuum tubes was secondary emission; electrons striking the plate could knock other electrons out of the metal surface. In some tubes such as tetrodes these secondary electrons could be absorbed by other electrods such as grids in the tube, resulting in a current out of the plate. This current could cause the plate circuit to have negative resistance, which could cause unwanted parasitic oscillations. To prevent this most plates in modern tubes are given a chemical coating which reduces secondary emission.".
- Plate_electrode thumbnail Triode-english-text.svg?width=300.
- Plate_electrode wikiPageExternalLink v=onepage&q=van%20der%20Bijl%20Thermionic%20valve&f=false.
- Plate_electrode wikiPageExternalLink tubes201.
- Plate_electrode wikiPageExternalLink vtf.html.
- Plate_electrode wikiPageExternalLink events-i=39-s=0.html.
- Plate_electrode wikiPageExternalLink tubeworks.html.
- Plate_electrode wikiPageID "1424864".
- Plate_electrode wikiPageLength "4157".
- Plate_electrode wikiPageOutDegree "19".
- Plate_electrode wikiPageRevisionID "680428796".
- Plate_electrode wikiPageWikiLink Anode.
- Plate_electrode wikiPageWikiLink Category:Electrodes.
- Plate_electrode wikiPageWikiLink Category:Vacuum_tubes.
- Plate_electrode wikiPageWikiLink Cathode.
- Plate_electrode wikiPageWikiLink Electric_potential.
- Plate_electrode wikiPageWikiLink Electrode.
- Plate_electrode wikiPageWikiLink Fritz_Langford-Smith.
- Plate_electrode wikiPageWikiLink Glowing_anode.
- Plate_electrode wikiPageWikiLink Glowing_plate.
- Plate_electrode wikiPageWikiLink Heat_sink.
- Plate_electrode wikiPageWikiLink Molybdenum.
- Plate_electrode wikiPageWikiLink Negative_resistance.
- Plate_electrode wikiPageWikiLink Parasitic_oscillation.
- Plate_electrode wikiPageWikiLink Radiotron_Designers_Handbook.
- Plate_electrode wikiPageWikiLink Refractory_metal.
- Plate_electrode wikiPageWikiLink Refractory_metals.
- Plate_electrode wikiPageWikiLink Secondary_emission.
- Plate_electrode wikiPageWikiLink Tetrode.
- Plate_electrode wikiPageWikiLink Vacuum_tube.
- Plate_electrode wikiPageWikiLink File:Roehre_anode_el84.jpg.
- Plate_electrode wikiPageWikiLink File:Triode-english-text.svg.
- Plate_electrode wikiPageWikiLink File:Triode_schematic_labeled.svg.
- Plate_electrode wikiPageWikiLinkText "Plate electrode".
- Plate_electrode wikiPageWikiLinkText "anode".
- Plate_electrode wikiPageWikiLinkText "electrode plate".
- Plate_electrode wikiPageWikiLinkText "electrode plates".
- Plate_electrode wikiPageWikiLinkText "plate electrode".
- Plate_electrode wikiPageWikiLinkText "plate".
- Plate_electrode wikiPageWikiLinkText "plates".
- Plate_electrode hasPhotoCollection Plate_electrode.
- Plate_electrode wikiPageUsesTemplate Template:Commons_category.
- Plate_electrode wikiPageUsesTemplate Template:Electronic_components.
- Plate_electrode wikiPageUsesTemplate Template:Electronics-stub.
- Plate_electrode wikiPageUsesTemplate Template:Reflist.
- Plate_electrode wikiPageUsesTemplate Template:Thermionic_valves.
- Plate_electrode subject Category:Electrodes.
- Plate_electrode subject Category:Vacuum_tubes.
- Plate_electrode hypernym Electrode.
- Plate_electrode type Article.
- Plate_electrode type Article.
- Plate_electrode type Component.
- Plate_electrode type Conductor.
- Plate_electrode comment "In electronics, a plate, usually called anode in Britain, is a type of electrode that forms part of a vacuum tube. It is usually made of sheet metal, connected to a wire which passes through the glass envelope of the tube to a terminal in the base of the tube, where it is connected to the external circuit. The plate is given a positive potential, and its function is to attract and capture the electrons emitted by the cathode.".
- Plate_electrode label "Plate electrode".
- Plate_electrode sameAs m.050gtt.
- Plate_electrode sameAs Q7202198.
- Plate_electrode sameAs Q7202198.
- Plate_electrode wasDerivedFrom Plate_electrode?oldid=680428796.
- Plate_electrode depiction Triode-english-text.svg.
- Plate_electrode isPrimaryTopicOf Plate_electrode.