A novel tunable transmission line and its application to a phase shifter

Young Hoon Chun, Jia Sheng Hong

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This letter describes the design of a novel transmission line, where characteristic impedance can be adjusted electronically, and its application to a phase shifter. A tunable transmission line enables microwave circuit designers to have flexibility and better return loss which can enhance its tuning range. A UHF band distributed analog phase shifter, as well as a tunable transmission line, is presented. The characteristic impedance of a fabricated novel transmission line varies from 10 to 69.5 O, which demonstrates its tunability, and the fabricated UHF phase shifter using this novel line shows the possibility of better reflection coefficient and wider tuning range over the conventional capacitively-loaded distributed phase shifter. © 2005 IEEE.

Original languageEnglish
Pages (from-to)784-786
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume15
Issue number11
DOIs
Publication statusPublished - Nov 2005

Keywords

  • Phase shifters
  • Transmission lines
  • Tunahle circuits and devices

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