Abstract
An eight-port X-band power splitter based on binary Wilkinson power splitter topology is presented in this paper. The proposed power splitter consists of three stages, with one, two, and four equal power splitters in the first, second, and third stages, respectively. The input power is divided equally between the eight outputs to provide an equal-split power splitter. Evaluation of the structure is carried out using even- and odd-mode techniques. An epoxy laminate FR4 substrate with thickness of 0.5 mm is chosen, while the designed power splitter is simulated using Keysight Advanced Design System 2019 and ANSYS High Frequency Structure Simulation. As the results indicate, excellent performance is obtained for the power splitter, with a reflection coefficient of -36.5 dB and an insertion loss of -9.32 dB at the 9.65 GHz center frequency. The proposed power splitter has the potential to be employed in radar and microwave systems, specifically in phased-array structures.
Highlights
Power splitters are microwave circuits employed frequently in the telecommunication industry
A 1×3 power divider with substrate integrated waveguide (SIW) structure was proposed by Kiris et al [6], with equal power transmission across all output ports
The SIW structure proposed in this study is interesting, and it can be applied to designing a wide range of power dividers with multiple outputs
Summary
Power splitters ( known as power dividers) are microwave circuits employed frequently in the telecommunication industry. A 1×3 power divider with substrate integrated waveguide (SIW) structure was proposed by Kiris et al [6], with equal power transmission across all output ports. Its equivalent circuit has been applied to a transport reflection tapper in [9] In [19], a dividing and power-mixing structure is proposed from Korea Maritime University with several binary transmission lines, which can be applied to bands X and C. The size of this divider is approximately 1.21 m 3. The proposed power splitter can be applied to radar and microwave systems applications, in phased-array structures
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