![]() Antenna gain calculator example: Antenna efficiency = 0.7 Antenna Diameter = 4.2 meter Antenna frequency = 6 GHz Output Gain (dBi) = 47. Factors affecting parabolic reflector antenna gain. The shape of the main beam assumes parabolic illumination with level at dish edge = -10 dB down. Cubical quad The first null may appear at an angle off the boresight similar to the -3 dB full beamwidth. EM waves }) In electromagnetics, an antenna’s power gain or simply gain is a key performance figure which combines the antenna’s directivity and electrical efficiency. Your email address will not be published. The idea is to get a The gain is quoted in this manner is denoted as dBi. The parabolic reflector antenna gain is calculated as the gain over an isotropic source, i.e. ![]() Please send your ideas, which are very important for our success…, Your email address will not be published. In fact the parabolic reflector antenna gain can be as high as 30 to 40 dB. The reflecting surface antenna forms a major part of the whole system.
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