| Citation: | Jie LI, Yuepeng YAN, Xiaoxin LIANG, Jing WAN, Kuisong WANG. Research on the Novel Ultra-wideband Power Divider Based on Beetle Antennae Search Algorithm[J]. Journal of Electronics & Information Technology, 2020, 42(2): 418-424. doi: 10.11999/JEIT181003
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Based on the study of the spur-line, a novel spurs-line structure is proposed. The design of a novel Ultra-WideBand (UWB) power divider is described based on the novel spur line structure for the 2.5～13.2 GHz frequency range. The designed device is compact and has a simple structure and good frequency response in the band. Its return loss insertion is less than –12 dB and its insertion loss is less than 3.5 dB. The equations used for the design are based on the concept of odd-even modes and transmission line analysis. The Beetle Antennae Search (BAS) algorithm is used to improve the efficiency and accuracy of the power divider design. In order to verify the accuracy of the design, a UWB power divider is designed by using material RO4003C as substrate. The results validate the feasibility of the spur line-based design and demonstrat that the BAS algorithm has a shortened running time and improved precision compared to other optimization methods. It can be widely used in UWB power divider design.
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