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A horn antenna has a flaring metal horn attached to a waveguide. It is a simple antenna with moderate gain of 15 to 25 dBi, used for applications such as radar guns, radiometers, and as feed antennas for parabolic dishes. Slot Consists of a waveguide with one or more slots cut in it to emit the microwaves. Linear slot antennas emit narrow fan ...
An indoor antenna is a type of radio or TV antenna placed indoors, as opposed to being mounted on the roof. They are usually considered a simple and cheap solution to receive transmissions. An indoor antenna is prone to picking up electrical noise, but digital broadcasts are resistant to this noise.
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Belling-Lee connectors Flex Type F connectors. A TV aerial plug is a connector used to connect coaxial cables with each other and with terrestrial VHF/UHF roof antennas, antenna signal amplifiers, CATV distribution equipment, TV sets and FM / DAB-radio receivers.
The oldest and most widely used (at least in the United States) indoor antenna is the rabbit ears or bunny ears, which are often provided with new television sets. [6] It is a simple half-wave dipole antenna used to receive the VHF television bands, consisting in the US of 54 to 88 MHz ( band I ) and 174 to 216 MHz ( band III ), with ...
The antenna gain, or power gain of an antenna is defined as the ratio of the intensity (power per unit surface area) radiated by the antenna in the direction of its maximum output, at an arbitrary distance, divided by the intensity radiated at the same distance by a hypothetical isotropic antenna which radiates equal power in all directions.
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The antenna is resonant at this length, so its input impedance is purely resistive. The input impedance has capacitive reactance below 1 / 4 λ and inductive reactance from 1 / 4 to 1 / 2 λ. The gains given in this section are only achieved if the antenna is mounted over a perfectly conducting infinite ground plane ...
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