Design and Simulation of Microstrip Patch Single Element, 1*2 Array Design and 1*4 Array Design for SART Applications

Authors : K Radhakrishna; Dr. K Sreelakshmi

Volume/Issue : Volume 5 - 2020, Issue 8 - August

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DOI : 10.38124/IJISRT20AUG801

The Search and Rescue Transponders are used to search for the lost ship and aircraft. The transponder antenna resonates at the frequency of 9 GHz. The design is considered using FR4 (Flame Retardant) substrate of dielectric constant 4.4 and loss tangent 0.0019. A micro strip line fed rectangular patch antenna is designed in such a way that it resonates at 9 GHz. The return loss and gain for the designs are, Single Element Design: Return Loss is -24.291 dB, Gain Total is 5.9083 dB, 1*2 Array Design: Return Loss is -19.3635 dB, Gain Total is 8.5915 dB, 1*4 Array Design: Return Loss is -34.4773 dB, Gain Total is 9.4879 dB. Other antenna parameters such as VSWR, Radiation Efficiency, Gain 2D, Specific Absorption Rate are observed. The antenna structure is simple, flat and straightforward. The design can be embedded easily in Search and Rescue Transponder Transmitter because it is geometrically small. The simulation and analysis were done using High Frequency Structure Simulator (HFSS).

Keywords : Search and Rescue Transponder, Aeronautical Radio Navigation Systems


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