Beamforming Networks to Feed Array Antennas

V  S  Geethanjali; Thushara Mohan and I  Srinivasa Rao nbsp

doi:10.17485/ijst/2015/v8iS2/58736

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Beamforming Networks to Feed Array Antennas

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2015/v8iS2/58736

Year: 2015, Volume: 8, Issue: Supplementary 2, Pages: 1-4

Original Article

Beamforming Networks to Feed Array Antennas

V. S. Geethanjali^*, Thushara Mohan and I. Srinivasa Rao

School of Electronics Engineering, VIT University, Vellore-632014, Tamilnadu, India; [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

A beamforming Network (BFN) to feed phased array antenna using butler matrix is designed and simulated. BFNs are designed in S band and the frequency of operation is 3.5GHz. The BFN is designed with suitable phase shifters and couplers to obtain various phase changes to steer the beam in the required direction which will be useful in communications. The simulated results show that the beam forming network is able to produce a phase shift of 0.2 degree.
Keywords: Beamforming Networks, Butler Matrix, Couplers, Phased Array Antenna, Phase Shifters