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Emitter

From Wikipedia, the free encyclopedia
(Redirected from Emitter (disambiguation))

Emitter may refer to:

Devices which emit charged particles

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  • Cathode, or negative electrode, in a vacuum tube or diode
  • Anode, or positive electrode, in certain applications based on the emission of ions from a solid surface
  • One of the three terminals of a bipolar transistor

Devices which emit electromagnetic radiation

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  • Lambertian emitter, a light source whose radiance varies with angle according to Lambert's cosine law
  • An infrared LED used to emulate a remote control

Other uses

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See also

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