Design of microstrip ultrabroadband multisection quadrature hybrid

Cheng Hsien Liang*, Chi-Yang Chang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

This paper proposes a three- and a five-section microstrip 3-dB quadrature hybrid. Two types of enhanced coupling structures, both with a rectangular ground-plane aperture and two inserted signal strips in the aperture, are used in the quadrature hybrid not only to achieve tight coupling but also to minimize the junction effect between coupling sections. The designed circuits have a fully planar structure. They were fabricated on a single-layer substrate by the standard printed circuit board (PCB) manufacturing process.

Original languageEnglish
Title of host publication2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings
Pages977-979
Number of pages3
DOIs
StatePublished - 1 Dec 2012
Event2012 Asia-Pacific Microwave Conference, APMC 2012 - Kaohsiung, Taiwan
Duration: 4 Dec 20127 Dec 2012

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC

Conference

Conference2012 Asia-Pacific Microwave Conference, APMC 2012
CountryTaiwan
CityKaohsiung
Period4/12/127/12/12

Keywords

  • Coupled line
  • directional coupler
  • multisection hybrid
  • printed circuit board (PCB)
  • quadrature hybrid

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