Wideband bandpass filters using a novel thick metallization technology
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Gómez Molina, Celia; Pons Abenza, Alejandro; Do, James; Quesada Pereira, Fernando Daniel; Liu, Xiaoguang; [et al.]Área de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
This work was supported in part by the National Science Foundation with CAREER under Grant ECCS-1749177, in part by the Spanish Government, Ministerio de Educación, Cultura y Deporte under Grant FPU15/02883, and in part by the Ministerio de Economía y Competitividad through the Coordinated Project under Grant TEC2016-75934-C4-R and Grant PRX18/00092.Fecha de publicación
2020-02-27Editorial
Institute of Electrical and Electronics EngineersCita bibliográfica
C. Gomez-Molina et al., "Wideband Bandpass Filters Using a Novel Thick Metallization Technology," in IEEE Access, vol. 8, pp. 34962-34972, 2020, doi: 10.1109/ACCESS.2020.2974552.Revisión por pares
siPalabras clave
Hybrid waveguide microstrip technologymicrowave filters
resonator filters
transmission zeros
transversal filters
wideband filters
Resumen
A new class of wideband bandpass filters based on using thick metallic bars as microwave
resonators is presented in this work. These bars provide a series of advantages over fully planar printed
technologies, including higher coupling levels between resonators, higher unloaded quality factors QU ,
and larger bandwidths implemented with compact structures. In comparison to dielectric and waveguide
resonators filters, higher bandwidths together with lower weight and footprint reduction are achieved with
the proposed thick bars technology. Moreover, thick bar resonators can easily be coupled to an additional
resonance excited in a box used for shielding, allowing to realize transversal topologies able to implement
transmission zeros at desired frequencies. To illustrate the capabilities of this technology, three microwave
filters with different topologies have been designed. One of the designed filters has been manufactured and
tested using copper bars inside an aluminum housing ...
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