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
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
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
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
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
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
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
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
articles on that antenna type. Simple antennas There are three types of "simple" antennas: dipoles, monopoles, and loops. The three simple antenna types are...
99 KB (13,215 words) - 16:09, 16 November 2024
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
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
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
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
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
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
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
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
Radiation pattern (redirect from Antenna 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
Heinrich Hertz (redirect from Hertzian antenna)
(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) - 22:35, 15 November 2024
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
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
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
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
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
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
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
Folded Dipole (T²FD, T2FD, or TTFD) or Balanced Termination, Folded Dipole (BTFD) - also known as W3HH antenna - is a general-purpose shortwave antenna developed...
11 KB (1,567 words) - 22:18, 12 October 2024
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
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
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