Abstract
In this paper, a simple planar design for a symmetric four-port crossover is presented. The proposed crossover is derived from a microstrip patch antenna with a set of two orthogonal feeds. Electrical length of the microstrip patch antenna is increased by incorporating slots achieving a frequency shift to the lower side. The slot in the patch antenna is derived from fractal geometry, which allows three stages of iteration. Isolation better than −15 dB and transmission ~0 dB is observed in the frequency range of interest. The proposed crossover is a potential candidate for Butler matrix in beamforming applications.
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Acknowledgments
The project is partially funded by a grant from Information Technology Research Agency (ITRA)-Department of Electronics and Information Technology (Deity), Government of India.
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Mehta, M., Naveen, K.A., Rajan, V., Pillai, R.R., Menon, S.K. (2016). Planar Crossover Using Microstrip Patch Antenna for Beamforming Networks. In: Dash, S., Bhaskar, M., Panigrahi, B., Das, S. (eds) Artificial Intelligence and Evolutionary Computations in Engineering Systems. Advances in Intelligent Systems and Computing, vol 394. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2656-7_37
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DOI: https://doi.org/10.1007/978-81-322-2656-7_37
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