Emitter
Template:Sister project 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