Antenna (636 bytes)
1: ..., '''[[Antenna (biology)|antenna]]''' (plural: '''antennae''') refers to the sensing organs of several [[ar...
2: ...'[[Antenna (electronics)|antenna]]''' (plural: '''antennas''') refers to the component designed to send and...
3: * [[ANT1|Antenna]], also known as ANT1, is a Greek-language terres...
4: *In [[astronomy]], '''[[Antennae (astronomy)|Antennae]]''' is the name of two colliding galaxies [[NGC...

Antenna analyzer (1829 bytes)
1: An '''antenna analyzer''' (or noise bridge, or RX bridge) is a ...
3: ... receiver will reach a null (minimum). Tuning the antenna for the desired frequency then becomes a simple m...
5: ...l when the antenna is balanced. A badly mistuned antenna can produce enough reflected power to damage the ...

Parabolic antenna (3288 bytes)
1: ...e [[Parabolic antenna]] is a high-gain, reflector antenna used for radio, television and data communication...
3: ...[Image:Very Large Array.jpg|thumb|300px|Parabolic Antennas at the Very Large Array Radio Telescope (image c...
5: ...nsists of a reflector illuminated by a small feed antenna.
7: ... in a circular rim that forms the diameter of the antenna. This paraboloid possesses a distinct focal poin...
9: ...ated away from the primary focal point. The feed antenna is connected to the associated radio-frequency (R...

Antenna (radio) (17166 bytes)
1: ...l-tower-top.thumb2.jpg|thumb|right|250px|A [[yagi antenna]]]]
2: Most simply, an '''antenna''' is an electronic component designed to send or...
4: More specifically, an antenna is an arrangement of [[Conductor (material)|condu...
6: ...d will induce an alternating [[current]] upon the antenna. See [[radio frequency induction]].
10: There are two fundamental types of antennas. The first couples to the [[electric field]] of ...

Antenna tuner (443 bytes)
1: ...trically elongated antenna is never as good as an antenna with the precise physical length.
5: [[category: antenna terminology]]

Antenna (biology) (1219 bytes)
1: '''Antennae''' (singular '''antenna'''), are the paired appendages connecting to the ...
3: [[Image:Luna antennae 2971.JPG|thumbnail|antennae of a luna moth]]
5: Antennae are jointed, and in crustaceans branching, they ...
7: ...insect [[brain]]. From there, [[neuron]]s in the antenna lobe connect to [[mushroom bodies]] that identify...

Biconical antenna (1766 bytes)
1: ...">[[Image:Biconiocal_antenna.png]]<br>''Biconical antenna''</div>
3: ...rections. Biconical antennas are broadband dipole antennas transceiving signals from 30 MHz to 300 MHz.
7: ...imple broadband wire approximation of a biconical antenna (commonly used for [[Ultra high frequency|UHF]] t...
10: *[[Antenna (electronics)|Antenna]]
16: ...ed.php?exampleID=41&thisProduct=XFDTD60 Biconical Antenna Example]

Beverage antenna (1766 bytes)
1: ...erage]], it is ''not'' a beverage can or beer can antenna.
3: ... easily rotated so installations may use multiple antennas to provide a choice of orientation.
5: ...termination to be used for one specific installed antenna.
10: *[http://www.qsl.net/aa3px/ AA3PX Antenna design page]
11: ...://www.angelfire.com/mb/amandx/bevant.html AMANDX antenna page]

Fractal antenna (977 bytes)
3: ...iven total surface area. For this reason, fractal antennas are very compact and are anticipated to have use...
5: ...-- and its harmonics? -->. This makes the fractal antenna an excellent design for [[broadband]] application...
7: Contrast: [[Waveguide]] antenna.
11: [[Category:Radio frequency antenna types]]

Antenna gain (2640 bytes)
1: ...otropic antenna]] in any direction, or a [[dipole antenna]] in the equatorial direction. The two measuremen...
3: ...nsmitted/received. In general, a larger aperture antenna has a higher gain. Also, the higher the frequenc...
5: ...he narrow corridor or "boresight" along which the antenna looks up at the sky.
7: ...uated or tapered, which leads us to conclude that antenna gain is not as important a factor as it might fir...
9: ...(pronounced "G over T"); that is, the gain of the antenna (in dB) minus the noise temperature of the receiv...

Periscope antenna (756 bytes)
1: ...m]] in a horizontal [[path]] toward the receiving antenna.
3: ''Note:'' A periscope antenna facilitates increased terrain clearance without l...
6: [[Category:Radio frequency antenna types]]

Image antenna (1138 bytes)
1: ...nd, ''i.e.'', the [[ground plane]], as the actual antenna is above the ground plane.
3: ...g the ground. Each charge and current in the real antenna has its image that may also be considered as a so...
5: ''Note 2:'' An image antenna may also be considered to be on the opposite side...
10: [[Category:Radio frequency antenna types]]

Antenna (album) (3681 bytes)
2: ...olspan="3" bgcolor="orange" style="color:black"|''Antenna''
4: |align="center" colspan="3"|[[Image:ZZ Top - Antenna.jpg|225px|Album cover]]
35: |''[[Antenna (album)|Antenna]]''<br>([[1994]])
38: '''''Antenna''''' is the eleventh studio [[album]] by [[Americ...
46: #"Antenna Head" (Beard, Gibbons, Hill) - 4:42

Yagi antenna (3075 bytes)
1: ...eal-tower-top.thumb2.jpg|thumb|right|250px|A yagi antenna]]
2: ...e dipole as directors. This arrangement gives the antenna directionality that a single dipole lacks. Yagis ...
4: ...uencies onto the active dipole. Thus the complete antenna achieves a distinct response bandwidth determined...
6: ...sides of the [[plane of symmetry]]. Many Yagi-Uda antennas (including the one pictured) are designed to ope...
8: ...r name for the antenna is, as above, the Yagi-Uda antenna (or array).

Horn Antenna (6273 bytes)
1: ...sey.jpeg|thumb|right|300px|Photograph of the Horn Antenna]]
2: ...Robert Wilson]]. In [[1965]] while using the Horn Antenna, Penzias and Wilson stumbled on the [[microwave b...
6: The Horn Antenna at Bell Telephone Laboratories in Holmdel, New Je...
8: ...a connecting line, is an important feature of the antenna. A radiometer for measuring the intensity of radi...
10: ...al force of 100 pounds is sufficient to start the antenna in motion.

Whip antenna (1301 bytes)
1: ...ble, so that they don't break when struck. These antennas derive their name from the [[whip (implement)|wh...
3: ...rtened with a [[loading coil]] anywhere along the antenna. Whips are generally a fraction of their actual ...
5: Being vertically mounted causes the whip antenna to have vertical [[polarization]]. Whips are tho...
7: [[Category:Radio frequency antenna types]]

Dipole antenna (2943 bytes)
1: ... is probably the most common and simplest-looking antenna.
3: ...the same, and their overall length determines the antenna's [[wavelength]]. The two elements are fed the s...
5: The most common dipole antenna is the kind used with [[television]]s called "rab...
7: ...ed to the proper length it is helpful if portable antennas are adjustable to allow for local conditions whe...
9: Dipoles are more efficient than whip antennas. Dipoles have a toroidal [[radiation pattern]] ...

Helical antenna (1282 bytes)
1: ...ntenna]] with a circular [[polarization]]. These antennas are best suited for space communication, where t...
3: ...or vertical polarization, but clockwise polarized antennas suffer a severe [[gain]] loss when receiving cou...
5: ...ectional the antenna will be and its gain; longer antennas will be more sensitive in the direction in which...
8: *[[Telstar]] (article includes image of a helical antenna)
10: [[Category:Radio frequency antenna types]]

Dish antenna (308 bytes)
1: ...ich a [[parabolic dish]] focuses a signal onto an antenna, located at the parabola's focal point. These dis...

Rhombic antenna (1573 bytes)
1: ...[[broadband]] directional [[antenna (electronics)|antenna]], mostly used in HF (high frequency, also called...
5: The rhombic antenna can radiate close to the horizon or at a higher a...
7: ...erable size, it is not very practical as the sole antenna of a radio station if operating conditions are ex...
9: ...ceptible to sharply localized fading than smaller antennas.
10: [[Category:Radio frequency antenna types]]

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