Miniaturized Multi-Section Power Divider with Parallel RC Isolation Circuit

• Main Authors: Young-Chul Yoon, Young Kim
• Format: Article
• Language: English
• Published: The Korean Institute of Electromagnetic Engineering and Science 2019-07-01
• Series: Journal of the Korean Institute of Electromagnetic Engineering and Science
• Subjects: Miniaturization; Multi-Section; Parallel Resistor and Capacitor Isolation Circuit; Power Divider
• Online Access: http://www.jees.kr/upload/pdf/jees-2019-19-3-147.pdf

This paper proposes a miniaturized multi-section power divider with parallel resistor and capacitor isolation circuits. Each of the section transmission lines constituting the proposed multi-section power divider has a length less than a quarter wavelength and the impedance of the transmission lines can be controlled within a certain range while avoiding high impedance. In addition, each circuit connected between the transmission lines consists of a parallel resistor and capacitor to satisfy the matching and isolation characteristics between output ports. To validate the proposed power divider, two circuits at a frequency of 2 GHz were designed with two- and three-section dividers. In comparison to a conventional power divider, the proposed divider showed broadband performances with a small structure.