An input-impedance-based circuit model for coplanar waveguide-to-slotline T-junction

Chi Hsueh Wang, Yo Shen Lin, Mun Chuan Tsai, Chun Huai Chang, Chun Hsiung Chen

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

In this paper, an analytical input impedance formula is presented to characterize the coplanar waveguide (CPW)-to-slotline T-junction. Based on this impedance formula, one may establish a new circuit model for the T-junction, which may describe both the discontinuity effect and the mode conversion effect between even and odd CPW modes. This circuit model is validated by measurement and is then applied to design the back-to-back CPW-to-slotline and CPW-to-coplanar stripline transition structures.

Original languageEnglish
Pages (from-to)1585-1591
Number of pages7
JournalIEEE Transactions on Microwave Theory and Techniques
Volume52
Issue number6
DOIs
StatePublished - Jun 2004

Keywords

  • Coplanar stripline
  • Coplanar waveguide (CPW)
  • Equivalent circuit
  • Slotline
  • T-junction

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