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

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Resum

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. © 2011 Springer-Verlag.
Idioma originalEnglish
Pàgines (de-a)911-914
RevistaApplied Physics A: Materials Science and Processing
Volum103
DOIs
Estat de la publicacióPublicada - 1 de juny 2011

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