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 (12,396 words) - 00:21, 2 August 2024
Dipole and monopole antennas Array antennas Loop antennas Aperture antennas Traveling wave antennas Log-periodic antenna Spiral Antenna Horn antenna Adcock...
82 KB (10,910 words) - 00:27, 5 September 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 (5,050 words) - 18:09, 22 August 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
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 (1,597 words) - 04:16, 31 July 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...
92 KB (12,314 words) - 16:07, 10 September 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) - 07:51, 3 November 2023
Rectenna (redirect from Rectifying antenna)
element consists of a dipole antenna with a diode connected across the dipole elements. The diode rectifies the AC induced in the antenna by the microwaves...
12 KB (1,259 words) - 17:12, 9 June 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
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
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...
50 KB (6,583 words) - 12:33, 8 July 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
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) - 04:25, 23 April 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
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...
22 KB (3,173 words) - 01:36, 11 July 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 (5,157 words) - 07:12, 9 September 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 (3,821 words) - 10:13, 18 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...
39 KB (3,892 words) - 14:16, 7 September 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
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
Wikimedia Commons has media related to HB9XBG-Antenna. The HB9XBG antenna is a vertical dipole antenna for short wave radio amateurs. It was developed...
4 KB (494 words) - 14:07, 6 March 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
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
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 (1,544 words) - 19:45, 6 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) - 05:43, 12 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 (1,937 words) - 06:53, 30 May 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 (2,145 words) - 21:57, 23 July 2024
are valid for any type of antenna. It can be as well a dipole antenna, a loop antenna, a parabolic antenna, or an antenna array. From this formula, it...
25 KB (3,842 words) - 03:06, 31 July 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