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  2. Antenna types - Wikipedia

    en.wikipedia.org/wiki/Antenna_types

    Inevitably some antennas won't conveniently fit into any one basic type, so the last section on real antennas is an "everything else" category for a few peculiar antennas that don't fit cleanly into any of the categories or subcategories used in this article; for example, random wire antennas and antennas that are laid down on the ground ...

  3. Electromagnetic compatibility - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_compatibility

    It may be said that radio interference and its correction arose with the first spark-gap experiment of Marconi in the late 1800s. [3] As radio communications developed in the first half of the 20th century, interference between broadcast radio signals began to occur and an international regulatory framework was set up to ensure interference-free communications.

  4. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    The IEEE 315 standard contains a list of Class Designation Letters to use for electrical and electronic assemblies. For example, the letter R is a reference prefix for the resistors of an assembly, C for capacitors, K for relays. Industrial electrical installations often use reference designators according to IEC 81346.

  5. Antenna (radio) - Wikipedia

    en.wikipedia.org/wiki/Antenna_(radio)

    High-gain antennas have the advantage of longer range and better signal quality, but must be aimed carefully at the other antenna. An example of a high-gain antenna is a parabolic dish such as a satellite television antenna. Low-gain antennas have shorter range, but the orientation of the antenna is relatively unimportant.

  6. Active electronically scanned array - Wikipedia

    en.wikipedia.org/wiki/Active_electronically...

    The Eurofighter Typhoon combat aircraft with its nose fairing removed, revealing its Euroradar CAPTOR AESA radar antenna. An active electronically scanned array (AESA) is a type of phased array antenna, which is a computer-controlled antenna array in which the beam of radio waves can be electronically steered to point in different directions without moving the antenna. [1]

  7. Television antenna - Wikipedia

    en.wikipedia.org/wiki/Television_antenna

    The antenna is simply plugged into the television receiver and placed conveniently, often on the top of the receiver ("set-top"). Sometimes, the position needs to be experimented with to get the best picture. Indoor antennas can also benefit from RF amplification, commonly called a TV booster.

  8. Microwave antenna - Wikipedia

    en.wikipedia.org/wiki/Microwave_antenna

    A microwave antenna is a physical transmission device used to broadcast microwave transmissions between two or more locations. [1] In addition to broadcasting, antennas are also used in radar , radio astronomy and electronic warfare .

  9. Antenna array - Wikipedia

    en.wikipedia.org/wiki/Antenna_array

    An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves. [ 1 ] : p.149 [ 2 ] The individual antennas (called elements ) are usually connected to a single receiver or transmitter by feedlines that feed the power to the elements in a specific phase ...

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