A Stair shape microstrip patch radiator is designed and analyzed in this research paper by using HFSS 13.0 version. Designed microstrip patch radiator is in shape of rectangular with circular sots for X band application. In this radiator, substrate material is used FR4 epoxy, which dielectric constant is 4.4. Microstrip feeding technique is used with lumped port. Resonant frequency is 8 GHz, it is within 'X' band. Mostly X band frequency range is used for satellite & radar communication.
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