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

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