Alam, Syah and Surjati, Indra and Firmansyah, Teguh (2021) Bandwidth Enhancement of Square Microstrip Antennas Using Dual Feed Line Techniques. International Journal of Electrical and Electronic Engineering & Telecommunications, 10 (1). pp. 1-5. ISSN 23192518

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Abstract

This study proposes a new design of wide bandwidth microstrip antennas using dual feed line techniques. To obtain the optimal impedance bandwidth (IBW) and Axial Ratio Bandwidth (ARBW), several iterations were performed by controlling the dimensions and length of the dual feed line. From the simulation results, the proposed antenna obtained IBW of 0.4GHz or 17% and ARBW of 0.38GHz or 15% at an operating frequency of 2.5 GHz. The gain of the proposed antenna was 5.73dB with a directional radiation pattern. The dual feedline technique successfully improved IBW up to 254.16% compared with the single feed technique. This study would be useful especially for bandwidth optimization of microstrip antennas

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