Tunable stop-band filter at Q-band based on RF-MEMS metamaterials

Gil, Ignacio; Martín, Ferran; Rottenberg, Xavier; Raedt, W. De

doi:10.1049/el:20072164

Cited by 73 publications

(53 citation statements)

References 10 publications

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“…The presence of the transmission zero in resonant type metamaterial transmission lines is very interesting for the application of these structures to microwave filters, as has been recently demonstrated [28]. However, it has also been demonstrated by the authors that resonant type metamaterial transmission lines can be useful for the design of enhanced bandwidth components [29,30], dual-band components [31], and tunable components [32][33][34].…”

Section: Comparison Between Cl-loaded and Resonant Type Metamaterials mentioning

confidence: 99%

Modelling metamaterial transmission lines: a review and recent developments

Aznar

Gil

Bonache

et al. 2008

Opto-Electronics Review

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This review paper is devoted to the discussion and comparison of the lumped element equivalent circuit models of the different types of metamaterial transmission lines that have been proposed so far, namely the CL-loaded lines, and those lines based on the resonant type approach. The latter category comprises both artificial lines loaded with split ring resonators (SRRs), or related topologies, and metamaterial transmission lines based on complementary split ring resonators (CSRRs). It will be the main aim of this paper to clearly justify the circuit elements of the models (and link such elements to the line physics and topology), to compare the different lines to the light of these models, and to point out the advantages and drawbacks of the different metamaterial transmission lines. As long as metamaterial transmission lines are exhaustively used for the design of compact microwave and millimeter wave components with improved performance and/or based on new functionalities, and their synthesis is based on the lumped element equivalent circuits, this paper is of actual interest for RF/microwave engineers and in general to those readers involved in metamaterial research and applications.

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Section: Comparison Between Cl-loaded and Resonant Type Metamaterials mentioning

confidence: 99%

Modelling metamaterial transmission lines: a review and recent developments

Aznar

Gil

Bonache

et al. 2008

Opto-Electronics Review

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“…Conventionally, most of works are about ordinary bandstop filters [2,3], little of which involve with tunable dual-stop-band filters [4]. In [5][6][7][8][9], tunable one stop-band filters are proposed based on varactor loaded split ring resonators, RF-MEMS metamaterials and DGS respectively. In [10][11][12], filters with dual stopband are based on tri-section stepped-impedance resonators, dual-mode loop resonator and microstrip open-loop resonators.…”

Section: Introductionmentioning

confidence: 99%

A Compact Tunable Dual-Stop-Band Filter Based on DMS and DGS

Lin¹,

Wu²,

Wu³

et al. 2013

PIER Letters

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Abstract-In this paper, a compact tunable dual-stop-band filter is proposed. The proposed filter is based on the combination of double H-shaped defected ground structure (HDGS) and E-shaped defected microstrip structure (EDMS). The loaded HDGS/EDMS varactor diode is introduced to realize the tunable dual-stop-band filter. The equivalent-circuit models and theoretical analysis of the proposed structure are presented; also its performance evaluation is compared with traditional structure. The proposed filter has the characteristic of two independently adjustable stopbands and wide tuning range. EDMS also shows size reduction up to 38% compared with the Tshaped defected microstrip structure. The measured performance of the tunable dual-stop-band filter agrees well with the simulation results.

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“…According to the state of the art, several works have been developed to achieve accurate electrical models in order to reproduce frequency responses of RF-MEMS tunable filters [5] and tunable metamaterial transmission lines in PCB [6]. To the best knowledge of the authors, some few works have presented the combination of RF-MEMS and metamaterials in with the aim to implement reconfigurable filters [7,8].…”

Section: Introductionmentioning

confidence: 99%

Modeling tunable band‐pass filters based on RF‐MEMS metamaterials

Morata

Gil

Fernández‐García

2011

Int J Numerical Modelling

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This work describes progress toward designing and modelling reconfigurable band-pass filters based on RF microelectromechanical systems (RF-MEMS) metamaterials. A device consisting of a coplanar waveguide (CPW) structure that combines complementary split ring resonators (CSRRs) and RF-MEMS varactor bridges, operating at K and Ka-band, is proposed. Several layouts have been designed and electromagnetically (EM) simulated. A full equivalent circuit model for the description of the proposed structure, including transmission lines, RF-MEMS, subwavelength resonators and coupling parameters, is provided. A high degree of accuracy between EM simulations behaviour and electrical model has been obtained.

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Tunable stop-band filter at Q-band based on RF-MEMS metamaterials

Cited by 73 publications

References 10 publications

Modelling metamaterial transmission lines: a review and recent developments

Modelling metamaterial transmission lines: a review and recent developments

A Compact Tunable Dual-Stop-Band Filter Based on DMS and DGS

Modeling tunable band‐pass filters based on RF‐MEMS metamaterials

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