Abstract
Day by day user demand for high data transmission with uninterrupted service leads to usage of high frequency. To fulfill the demands ISRO launched GSAT-14 with two Ka-Band BECONS at 20.2 GHz and 30.5 GHz. Through this design and analysis of one, two (1 × 2), four (1 × 4) and eight (2 × 4) element linear rectangular shaped microstrip array antennae at a frequency of 20.2 GHz is done to attain high frequency access, high gain and directivity. The substrate material used is identical for the one, two (1 × 2), four (1 × 4) and eight (2 × 4) element i.e. “Rogers RT/Duroid 5880” with thickness and Relative permittivity of 0.254 mm and 2.2 mm is considered. The antenna elements placed linearly with equal distance and the feed network applied here is a corporate or parallel feed network. The RF Wilkinson power divider is used for impedance matching and to excite the number of elements (n) from a single source to drive all elements uniformly with loss less resistive network. The proposed array antennae are simulated using HFSS software and fabricated observations are analyzed.
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