Tunable impedance transformer using multiconductor coupled lines

Jinho Jeong, Junghyun Kim, Sanggeun Jeon

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A new tunable impedance transformer is presented using multiconductor coupled line of quarter-wave length.The switches are connected at the ends of the conductor lines in the coupled line, and they are used to adjust the equivalent capacitance of the line. It leads to the variation of characteristic impedance of the quarter-wave long line, resulting in the tunable impedance transformer. The measurement around 1.9 GHz shows that the characteristic impedance of the transformer using five-conductor coupled line can be adjusted from 29.5 to 56.5.

Original languageEnglish
Pages (from-to)851-853
Number of pages3
JournalMicrowave and Optical Technology Letters
Volume54
Issue number4
DOIs
Publication statusPublished - 2012 Apr

Keywords

  • coupled line
  • impedance transformer
  • microwave
  • transmission line

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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