• Thumbnail for Dipole antenna
    radio and telecommunications a dipole antenna or doublet is one of the two simplest and most widely-used types of antenna; the other is the monopole.[full...
    88 KB (12,392 words) - 19:16, 4 October 2024
  • Thumbnail for Antenna (radio)
    Dipole and monopole antennas Array antennas Loop antennas Aperture antennas Traveling wave antennas Log-periodic antenna Spiral Antenna Horn antenna Adcock...
    82 KB (10,912 words) - 23:19, 12 November 2024
  • Thumbnail for Gain (antenna)
    received by a lossless half-wave dipole antenna, in which case the units are written as dBd. Since a lossless dipole antenna has a gain of 2.15 dBi, the relation...
    14 KB (2,464 words) - 00:16, 21 June 2024
  • Thumbnail for Monopole antenna
    a dipole antenna which consists of two identical rod conductors, with the signal from the transmitter applied between the two halves of the antenna. The...
    21 KB (2,176 words) - 17:12, 7 July 2024
  • Thumbnail for Log-periodic antenna
    common form of log-periodic antenna is the log-periodic dipole array or LPDA, The LPDA consists of a number of half-wave dipole driven elements of gradually...
    14 KB (1,591 words) - 15:06, 11 November 2024
  • Thumbnail for Yagi–Uda antenna
    elements are most often metal rods (or discs) acting as half-wave dipoles. Yagi–Uda antennas consist of a single driven element connected to a radio transmitter...
    40 KB (5,048 words) - 01:47, 10 November 2024
  • articles on that antenna type. Simple antennas There are three types of "simple" antennas: dipoles, monopoles, and loops. The three simple antenna types are...
    97 KB (12,899 words) - 00:35, 13 November 2024
  • Thumbnail for Omnidirectional antenna
    omnidirectional antennas are the whip antenna, "Rubber Ducky" antenna, ground plane antenna, vertically oriented dipole antenna, discone antenna, mast radiator...
    8 KB (774 words) - 13:48, 20 September 2024
  • Thumbnail for Turnstile antenna
    A turnstile antenna, or crossed-dipole antenna, is a radio antenna consisting of a set of two identical dipole antennas mounted at right angles to each...
    12 KB (1,226 words) - 17:34, 8 June 2024
  • Thumbnail for Loop antenna
    order of magnitude, of all antenna designs of similar size. Halo antennas Halos are often explained as shortened dipoles that have been bent into a circular...
    52 KB (6,891 words) - 09:31, 12 October 2024
  • Thumbnail for G5RV antenna
    The G5RV antenna is a dipole with a symmetric resonant feeder line, which serves as impedance matcher for a 50 Ω coax cable to the transceiver. Louis...
    5 KB (628 words) - 12:56, 1 August 2023
  • Thumbnail for Antenna array
    in size. VHF collinear array of folded dipoles Sector antennas (white bars) on cell phone tower. Collinear dipole arrays, radiating a flat, fan-shaped beam...
    26 KB (3,365 words) - 04:04, 9 August 2024
  • Thumbnail for Directional antenna
    omnidirectional antennas such as dipole antennas which radiate radio waves over a wide angle, or receive from a wide angle. The extent to which an antenna's angular...
    13 KB (1,590 words) - 11:12, 3 November 2024
  • Thumbnail for Slot antenna
    similar to a dipole antenna. The shape and size of the slot, as well as the driving frequency, determine the radiation pattern. Slot antennas are usually...
    8 KB (992 words) - 23:22, 5 August 2024
  • Thumbnail for Effective radiated power
    Effective radiated power (category Antennas (radio))
    half-wave dipole antenna to give the same radiation intensity (signal strength or power flux density in watts per square meter) as the actual source antenna at...
    23 KB (3,311 words) - 03:09, 5 November 2024
  • Thumbnail for Parabolic antenna
    paint. The feed antenna at the reflector's focus is typically a low-gain type, such as a half-wave dipole or (more often) a small horn antenna called a feed...
    42 KB (5,177 words) - 23:44, 16 October 2024
  • Thumbnail for Television antenna
    indoor antennas are the dipole ("rabbit ears"), which work best for VHF channels, and loop antennas, which work best for UHF. Outdoor antennas on the...
    32 KB (3,808 words) - 09:56, 3 November 2024
  • Thumbnail for Moxon antenna
    than half) being the reflector. It is a two element Yagi-Uda antenna with folded dipole elements, and no director(s). Because of the folded ends, the...
    6 KB (694 words) - 06:47, 20 August 2024
  • Thumbnail for Heinrich Hertz
    (although the actual prize had expired uncollected in 1882). He used a dipole antenna consisting of two collinear one-meter wires with a spark gap between...
    40 KB (3,978 words) - 23:08, 12 November 2024
  • Thumbnail for Reflective array antenna
    Consider two dipole antennas placed in a line end-to-end, or collinear. If the resulting array is pointed directly at the source signal, both dipoles will see...
    14 KB (1,633 words) - 23:54, 15 September 2024
  • A coaxial antenna (often known as a coaxial dipole) is a particular form of a half-wave dipole antenna, most often employed as a vertically polarized omnidirectional...
    2 KB (233 words) - 00:21, 12 July 2024
  • Thumbnail for Radiation pattern
    hypothetical isotropic antenna is used as a reference to calculate antenna gain. The simplest antennas, monopole and dipole antennas, consist of one or two...
    15 KB (2,169 words) - 21:44, 25 August 2024
  • Thumbnail for Ground dipole
    ground dipole, also referred to as an earth dipole antenna, transmission line antenna, and in technical literature as a horizontal electric dipole (HED)...
    24 KB (2,415 words) - 21:55, 25 June 2024
  • Thumbnail for Whip antenna
    larger than the antenna itself, the combination of whip and radio functions more as an asymmetrical dipole antenna than as a monopole antenna. The gain will...
    15 KB (1,928 words) - 08:27, 17 October 2024
  • Thumbnail for Biconical antenna
    antennas are broadband dipole antennas, typically exhibiting a bandwidth of three octaves or more. A common subtype is the bowtie antenna, essentially a flattened...
    5 KB (498 words) - 04:23, 23 April 2024
  • Radiation resistance (category Antennas (radio))
    half wave dipole as a driven element in antennas. The radiation resistance of a monopole antenna created by replacing one side of a dipole antenna by a perpendicular...
    32 KB (3,995 words) - 23:21, 12 November 2024
  • Thumbnail for Discone antenna
    ground plane antenna or a coaxial dipole. Antenna types Very high frequency Kodoian, Armig G. "Patent application for a discone antenna" (PDF). pentodepress...
    6 KB (744 words) - 07:25, 13 June 2024
  • Thumbnail for Halo antenna
    A halo antenna, or halo, is a center-fed ⁠ 1 /2⁠ wavelength dipole antenna, which has been bent into a circle, with a break directly opposite the feed...
    18 KB (2,165 words) - 09:09, 12 October 2024
  • Thumbnail for Inverted vee antenna
    An inverted vee antenna is a type of antenna similar to a horizontal dipole, but with the two sides bent down towards the ground, typically creating a...
    4 KB (474 words) - 21:24, 12 June 2024
  • Thumbnail for Collinear antenna array
    telecommunications, a collinear antenna array (sometimes spelled colinear antenna array) is an array of dipole or quarter-wave antennas mounted in such a manner...
    4 KB (431 words) - 00:41, 28 February 2024