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International Journal of Antennas and Propagation
Volume 2017, Article ID 9482979, 8 pages
Research Article

Design of a Microstrip Series Power Divider for Sequentially Rotated Nonuniform Antenna Array

School of Communications & Information Technology, University of Electronic Science and Technology of China, Chengdu, China

Correspondence should be addressed to Daniele Inserra; nc.ude.ctseu@eleinadarresni

Received 2 December 2016; Accepted 10 January 2017; Published 26 January 2017

Academic Editor: N. Nasimuddin

Copyright © 2017 Daniele Inserra et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper deals with the design of a microstrip series power divider for circularly polarized sequential rotational antenna array. The theoretical description of the design is firstly proposed, comprising the cases of nonuniform weighted antenna arrays. A more flexible open octagon shape instead of the classical open ring is suggested, highlighting benefits in the case of nonuniform power distribution. A design example of an ultra-high frequency (UHF) band sequentially rotated Tschebischeff antenna array finally demonstrates the effectiveness of the proposed implementation.