- antenna dummy load
- Engineering: ADL
Универсальный русско-английский словарь. Академик.ру. 2011.
antenna dummy load
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Dummy load — Cantenna dummy load suitable up to 30 MHz and up to 1 kW A dummy load is a device used to simulate an electrical load, usually for testing purposes. Contents 1 Radio … Wikipedia
Antenna (radio) — Whip antenna on car … Wikipedia
Antenna measurement — techniques refers to the testing of antennas to ensure that the antenna meets specifications or simply to characterize it. Typical parameters of antennas are gain, radiation pattern, beamwidth, polarization, and impedance.The antenna pattern is… … Wikipedia
Antenna analyzer — An antenna analyzer measuring SWR and complex impedance of a dummy load. MFJ Enterprises Inc. MFJ 269. An antenna analyzer (also known as a noise bridge, RX bridge, SWR analyzer, or RF analyzer) is a device used for measuring the efficiency of… … Wikipedia
Dipole antenna — A schematic of a half wave dipole antenna connected to an unbalanced coaxial cable. Better practice is to connect the balanced dipole to the unbalanced line with a balun. A dipole antenna is a radio antenna that can be made of a simple wire, with … Wikipedia
Diplexer — A diplexer is a passive device that implements frequency domain multiplexing. Two ports (e.g., L and H) are multiplexed onto a third port (e.g., S). The signals on ports L and H occupy disjoint frequency bands. Consequently, the signals on L and… … Wikipedia
Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… … Wikipedia
Downlink CNR — (Carrier to noise ratio in satellite reception) is an important figure in system TVRO design. Below are certain parameters used in CNR computation. Contents 1 Figure of merit 2 Path loss 3 EIRP 4 Baseband … Wikipedia
Null fill — is used in radio antenna systems which are located on mountains or tall towers, to prevent too much of the signal from overshooting the nearest part of intended coverage area. Phasing is used between antenna elements to take power away from the… … Wikipedia
Output power of an analog TV transmitter — Output power of a TV transmitter is the electric power applied to antenna system. There are two definitions: nominal (or peak) and thermal. Contents 1 Power defined in terms of voltage 2 Nominal power of a TV transmitter 3 The thermal power … Wikipedia
Terrestrial television — Air TV redirects here. For the anime, see Air (visual novel). Terrestrial television is a mode of television broadcasting which does not involve satellite transmission or cables typically using radio waves through transmitting and receiving… … Wikipedia
