Substrate integrated waveguide (SIW) with koch fractal electromagnetic bandgap structures (KFEBG) for bandpass filter design
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AuthorRuiz Martínez, Juan de Dios; Martínez Viviente, Félix Lorenzo; Álvarez Melcón , Alejandro; Hinojosa Jiménez, Juan
SponsorsThis work was supported by the Spanish Ministerio de Economía y Competitividad (TEC2013-47037-C05-5-R) and European regional funds (FEDER).
PublisherInstitute of electrical and electronics engineers (IEEE)
Bibliographic CitationRUIZ MARTÍNEZ, Juan de Dios et al. Substrate integrated waveguide (SIW) with koch fractal electromagnetic bandgap structures (KFEBG) for bandpass filter design. En: Microwave and wireless components letters, 25, (3) : 160-162, 2015. ISSN 1531-1309
Electromagnetic bandgap (EBG)
Substrate integrated waveguide (SIW)
High-performance bandpass filters (BPFs) based on substrate integrated waveguide (SIW) and half mode SIW (HMSIW) with Koch fractal electromagnetic bandgap (KFEBG) patterns etched on the waveguide surface are proposed. These BPFs are designed using a new methodology. The BPF responses are improved by applying a chirped and tapered technique to the KFEBG patterns, which exhibit a radius-to-period ratio r / a ≥ 0.5. Simulation results and experimental verification are presented. Low insertion loss and high rejection are achieved.
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