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Applied Physics A

, Volume 103, Issue 3, pp 911–914 | Cite as

Dual-band microwave duplexer based on spiral resonators (SR) and complementary split ring resonators (CSRR)

  • A. Vélez
  • G. Sisó
  • A. Campo
  • M. Durán-Sindreu
  • J. Bonache
  • F. Martín
Article

Abstract

In this work, a microstrip dual-band microwave duplexer implemented by means of a pair of dual-band branch-line hybrid couplers and a pair of dual-band band-stop filters is presented. The hybrid couplers are implemented by using complementary split ring resonators (CSRRs), etched in the ground plane, while the band-stop filters are made of spiral resonators (SRs) coupled to the host line. The measured duplexer characteristics are good and the device is compact by virtue of the small electrical size of the employed resonant elements. From this paper, it is clear that CSRRs and SRs are useful particles for the design of dual-band microwave systems requiring various microwave components.

Keywords

Ultra Wide Band Hybrid Coupler Microwave Component Resonant Element Antenna Port 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • A. Vélez
    • 1
  • G. Sisó
    • 1
  • A. Campo
    • 1
  • M. Durán-Sindreu
    • 1
  • J. Bonache
    • 1
  • F. Martín
    • 1
  1. 1.GEMMA/CIMITEC, Departament d’Enginyeria ElectrònicaUniversitat Autònoma de BarcelonaBellaterraSpain

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