feed horn

(redirected from feedhorn)
Also found in: Dictionary, Wikipedia.

feed horn

[′fēd ‚hȯrn]
(electromagnetism)
A device located at the focus of a receiving paraboloidal antenna that acts as a receiver of radio waves which the antenna collects, focuses, and couples to transmission lines to the amplifier.
References in periodicals archive ?
Cruickshank et al., "Compact wideband corrugated feedhorns with ultra-low sidelobes for very high performance antennas and quasi-optical systems," IEEE Transactions on Antennas and Propagation, vol.
Conical scanners are configured with upward-firing feedhorns in which the reflector redirects the FOV back down toward earth.
A feedhorn has been developed that mates with the LNC's circular waveguide and operates over the entire 11.7 to 12.7-GHz Ku-band allocations.
For example, in a reflector antenna, the bend system can enable the orthomode transducer or polarizer to be located away from the feedhorn. This configuration is an advantage in certain antenna systems.
The model 11383 international C-band wave-guide bandpass filter is installed between a television receive-only feedhorn and the low noise amplifier or low noise block to suppress strong out-of-band interference caused by marine or airport radar systems.
The model 7892AL aluminum waveguide bandpass filter is installed between a TVRO feedhorn and the LNA or LNB to suppress strong out-of-band interference caused by marine or airport radar systems.
An integral feedhorn connects to the outdoor GaAs MMIC downconverter operating over a 950 to 1750 MHz IF band.