Design the pyramidal horn antenna which operates at WLAN point to point frequency. The horn antenna...

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Electrical Engineering

Design the pyramidal horn antenna which operates at WLAN pointto point frequency. The horn antenna must have directivity of 22and HPBW of 30 degree in E plane. Then, determine the power gain(in dB) and the HPBW in H plane of this antenna. Please give youropinion about this antenna.

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Horn antenna is one type of aperture antenna The radiationfields from aperture antenna can be determined from the knowledgeof the fields over the aperture The aperture fields become thesources of the radiated fields at large distances Horn antennasare very popular at UHF and higher frequencies Microwave hornantennas occur in a variety of shapes and sizes There aredifferent types like E plane H plane and EH or Pyramidal horn Ofthese the simplest horn antenna is the pyramidal horn It isfabricated by flaring a hollow pipe of rectangular or square crosssection to a larger opening It is robust simple to constructeasy to excite and can provide high gain Horn antennas have a wideimpedancebandwidth implying that the input impedance is fairlyconstant over a wide frequency range The bandwidth for practicalhorn antennas can be on the order of 201A very long horn with small flare angle is required to obtain asuniform an aperture distribution as possible For practicalconvenience horn should be as short as possible Optimum hornantenna is a compromise between extremes See Answer

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