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Web of Science: 2 cites,
Dual-band balanced bandpass filter with common-mode suppression based on electrically small planar resonators
Vélez Rasero, Paris (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Bonache Albacete, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)

Data: 2016
Resum: The design of fully planar dual-band balanced bandpass filters with common-mode noise suppression is reported. The proposed filters are based on electrically small resonators coupled through admittance inverters. For design purposes, the circuit models of the considered resonators are reported. The key aspect for selective mode suppression (i. e. , common-mode rejection in the differential-mode pass bands) is related to symmetry properties. Thus, for the differential-mode the symmetry plane is an electric wall, and the equivalent circuit for that mode provides dual-band functionality. Conversely, for the common-mode the symmetry plane is a magnetic wall, and the equivalent circuit exhibits a rejection band. As a proof of concept, the design of an order-2 Chebyshev dual-band balanced bandpass filter with center frequencies f₁= 1. 8 GHz (GSM band) and f₂=2. 4 GHz (Wi-Fi band), fractional bandwidth FBW= 7%, and ripple level LA1= 0. 01 dB is reported. Index Terms—Balanced filters, common-mode.
Nota: Número d'acord de subvenció MINECO/TEC2013-40600-R
Nota: Número d'acord de subvenció AGAUR/2014/SGR-157
Drets: Tots els drets reservats
Llengua: Anglès
Document: article ; recerca ; submittedVersion
Matèria: Balanced filters ; Common-mode suppression. ; Dual-band filters ; Semi-lumped elements ; Split ring resonators.
Publicat a: IEEE microwave and wireless components letters, Vol. 26 No. 1 (Jan. 2016) , p. 16-18

DOI: 10.1109/LMWC.2015.2505636

3 p, 1.5 MB

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 Registre creat el 2016-07-25, darrera modificació el 2016-09-15

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