Miniaturization of planar microwave devices by means of complementary spiral resonators (CSRs): Design of quadrature phase shifters

Gerard Sisó, Marta Gil, Manuel Aranda, Jordi Bonache, Ferran Martín

Research output: Contribution to journalArticleResearchpeer-review

6 Citations (Scopus)

Abstract

In this work, two compact quadrature phase shifters based on metamaterial transmission lines implemented by means of complementary spiral resonators (CSRs) have been designed, fabricated and measured. The structures consist on Y-junctions with output lines exhibiting 90° phase balance. The reported metamaterial-based devices present a size reduction of 64% and 77% as compared to the conventional one.
Original languageEnglish
Pages (from-to)144-148
JournalRadioengineering
Volume18
Issue number2
Publication statusPublished - 1 Jun 2009

Keywords

  • Complementary spiral resonators (CSRs)
  • Metamaterials
  • Phase shifters

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