Emitter

Look up emitter in Wiktionary, the free dictionary.

Emitter may refer to:

Devices which emit charged particles

• 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

• 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

• A device used in drip irrigation
• A compiler's code generator

See also

• Emission (disambiguation)
• Emiter

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