Design of microwave wide-band quadrature hybrid using planar transformer coupling method

Wei Shin Tung*, Hsu Hsiang Wu, Yi Chyun Chiang

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

24 Scopus citations

Abstract

A lumped-element quadrature hybrid consisting of two-section inductive coupled π-networks is presented. A synthesizing method involving a new set of design equations are also developed to realize the proposed hybrid with very good balance in both magnitude and phase between the output ports over a 38% fractional bandwidth. The measurements of the two prototypes show quite good agreement with the theoretical predictions. The proposed hybrid is compact and suited to be implemented by conventional microwave-integrated-circuit technology.

Original languageEnglish
Pages (from-to)1852-1856
Number of pages5
JournalIEEE Transactions on Microwave Theory and Techniques
Volume51
Issue number7
DOIs
StatePublished - 07 2003

Keywords

  • Microwave integrated circuit (MIC)
  • Planar quadrature hybrid

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