Antennas

An antenna is a transducer that converts radio frequency (RF) into alternating current or vice versa. It can be used for both transmitting and receiving the data. An antenna is an group of conductors (elements), electrically connected to the receiver or transmitter. During transmission: the oscillating current applied to the antenna by a transmitter and it creates an oscillating electro-magnetic field around the antenna elements. It radiates energy away from the antenna into space as a moving transverse electromagnetic field wave. Equally, during reception: the oscillating electric and magnetic fields of an incoming radio wave exert force on the electrons in the antenna elements, causing them to move back and forth, creating oscillating currents in the antenna. Antennas play an significant role in the operation of all radio equipment. They are used in wireless local area networks, mobile communication and satellite communication.

 

  • Types of Antennas
  • Certification & Testing
  • Applications of Antennas

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