Design of a Switchplexer Based on a Microstrip Ring Resonator with Single-Switch Operation

Park, Wook-Ki; Ahn, Chi-Hyung; Kim, In-Ryeol; Oh, Soon-Soo

doi:2016.16.1.29

J. Electromagn. Eng. Sci > Volume 16(1); 2016 > Article

Journal of Electromagnetic Engineering and Science 2016;16(1):29-34.
DOI: https://doi.org/10.5515/JKIEES.2016.16.1.29

Design of a Switchplexer Based on a Microstrip Ring Resonator with Single-Switch Operation

Wook-Ki Park¹, Chi-Hyung Ahn², In-Ryeol Kim³, Soon-Soo Oh³

¹Technology Convergence Center, Incheon Technopark
²New Transportation Systems Research Center, Korea Railroad Research Institute
³Department of Electronic Engineering, Chosun University

Correspondence: Soon-Soo Oh,Email: ssoh@chosun.ac.kr

Abstract

This paper proposes a reconfigurable microstrip diplexer, also known as a switchplexer, for use with single-switch operation of frequency band and output path. The proposed switchplexer is composed of a rectangular ring resonator and a switch on a shorting pin, which is inserted between the ring resonator and the ground plane. The rotated main current distributions occurring at different switch statuses provide the diplexer's different operating bands and different output ports. The performance of the simply designed switchplexer is successfully demonstrated via simulation and measurement.

Key words: Diplexer, Filter, Reconfigurable Diplexer, Switchplexer