Transient coupling reduction and design considerations in edge-coupled coplanar waveguide couplers

Michael R. Lyons, Constantine Balanis

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

Edge-coupled coplanar waveguide (CPW) forward directional couplers are studied using an even/odd mode analysis. Specific height combinations of multilayer substrates are found which equalize the phase velocities of the even and odd modes. These modal velocity equalization points are seen to be relatively constant over a wide band of frequencies. Results of simulated pulse distortion are presented in a multilayer compensated structure showing a dramatic reduction in transient signal coupling and overall distortion. Design considerations for practical circuit designs are also discussed.

Original languageEnglish (US)
Pages (from-to)778-783
Number of pages6
JournalIEEE Transactions on Microwave Theory and Techniques
Volume44
Issue number5
DOIs
StatePublished - Dec 1 1996

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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