Tunable dual-band filters based on capacitive-loaded stepped-impedance resonators
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Tipus de documentText en actes de congrés
Data publicació2009
Condicions d'accésAccés obert
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Abstract
This paper proposes the design of tunable dual-band
filters for multi-band multi-standard systems. The main
objective is to provide frequency tunability in the second band
while maintaining the first band fixed. To this end, the
capacitive-loaded stepped-impedance resonator is used. The
work is divided into two main parts. In the first part, a deep
analysis of the capacitive-loaded stepped-impedance resonator
structure is done, which provides analytical closed-form design
equations which eases their design in front of the several
approaches available in the literature up to now. The analysis is
also particularized for the case of the capacitive-loaded uniform
resonator. In the second part, resonators are integrated in two
dual-band tunable filters.
CitacióGirbau, D. [et al.]. Tunable dual-band filters based on capacitive-loaded stepped-impedance resonators. A: European Microwave Conference. "39th European Microwave Conference EuMC-2009". Roma: 2009, p. 113-116.
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