Microwave Antenna Components
Photo Credits to Telecom Hall Forum
Microwave Antenna Components:-
The frequency of the microwave signals the antenna is designed to transmit or receive, typically specified in gigahertz (GHz).
The distance between successive peaks (or troughs) of a wave. In microwave communications, wavelength is inversely proportional to frequency.
A reflector shaped like a parabola that focuses incoming or outgoing microwave signals, enhancing the antenna’s performance.
The components responsible for generating or receiving microwave signals and directing them toward or away from the reflector. This includes feed horns, dipoles, or waveguides.
A component at the focal point of the reflector that directs microwave signals to or from the reflector.
A simple antenna consisting of two conductive elements used as part of the feed system in some microwave antennas.
An antenna system capable of transmitting or receiving signals with two different polarizations simultaneously, often denoted as vertical and horizontal.
The orientation of the electric field in a radio wave. Common polarizations include vertical, horizontal, circular, and elliptical.
A secondary reflector used in some antenna designs to redirect microwave signals to the primary reflector or feed system.
The support structure that holds the antenna, including elevation and azimuth adjustments for proper pointing.
The horizontal angle of the antenna, specifying its direction with respect to true north.
The vertical angle of the antenna, specifying its tilt above the horizon.
The angular width of the main lobe of the antenna’s radiation pattern, often specified as the half-power beamwidth (HPBW).
The measure of an antenna’s ability to focus energy in a particular direction compared to an isotropic radiator.
The ratio of the radiated power to the input power, indicating how effectively the antenna converts input power into radiated power.
A protective cover made of dielectric material that shields the antenna from environmental elements without significantly affecting microwave signals.
A metal tube that carries microwave signals between the feed system and the transmission line.
A cable or waveguide that connects the antenna to the communication equipment, carrying microwave signals between them.
The measure of the ability of an antenna to isolate signals of one polarization from signals of the orthogonal (cross) polarization.
Secondary lobes in an antenna’s radiation pattern, outside the main lobe, that can contribute to interference.
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Credits: Mr. Ashutosh Kumar