Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Design of N-Way Wilkinson Power Dividers with New Input/Output Arrangements for Power Halving Operations

Version 1 : Received: 10 May 2023 / Approved: 11 May 2023 / Online: 11 May 2023 (03:40:05 CEST)

A peer-reviewed article of this Preprint also exists.

Karpuz, C.; Cakir, M.; Gorur, A.K.; Gorur, A. Design of N-Way Wilkinson Power Dividers with New Input/Output Arrangements for Power-Halving Operations. Appl. Sci. 2023, 13, 6852. Karpuz, C.; Cakir, M.; Gorur, A.K.; Gorur, A. Design of N-Way Wilkinson Power Dividers with New Input/Output Arrangements for Power-Halving Operations. Appl. Sci. 2023, 13, 6852.

Abstract

In this paper, new N-way Wilkinson power dividers (WPDs) are represented by using slow-wave structures such as narrow slits loaded and meandered transmission lines. The slit loaded and meandered lines are used to represent the quarter wavelength transmission lines of a conventional WPD for size reduction. Based on the proposed approaches, 2-, 4- and 8-way power dividers are designed, simulated and fabricated. The fabricated -, 4- and 8-way circuits have been measured at the center frequencies of 2.03, 1.77, and 1.73 GHz in an excellent agreement with the predicted ones. The meandered transmission lines are also used to design new types of WPDs having novel input/output port arrangements. For this purpose, two 3-way WPDs are located at both sides of the same board so as to have different power splitting ratios at different inputs and outputs to provide alternative solutions for antenna arrays. Furthermore, a 5-way dual layer WPD is introduced by locating the meandered transmission lines to two layers. The proposed 3- and 5-way WPDs allow halving the input power at the next output port in the order of P/2, P/4, P/8, P/16, and P/16. All of the designed power halving WPDs have been simulated, fabricated and successfully tested.

Keywords

N-way; Wilkinson power dividers (WPDs); meandered transmission line; power halving.

Subject

Engineering, Electrical and Electronic Engineering

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