Novel SIW based interdigital bandpass filter with harmonic suppression

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dc.citation.epage848en_US
dc.citation.spage845en_US
dc.contributor.authorKurudere, S.en_US
dc.contributor.authorErtürk, Vakur B.en_US
dc.coverage.spatialRome, Italyen_US
dc.date.accessioned2016-02-08T11:47:48Z
dc.date.available2016-02-08T11:47:48Z
dc.date.issued2014en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 6-9 October 2014en_US
dc.descriptionConference Name: 44th European Microwave Conference, EuMA 2014en_US
dc.description.abstractA novel configuration for substrate integrated waveguide (SIW) based bandpass filter with interdigital type resonators is presented. In the proposed structure, interdigital type resonators consisting of vias and circular caps at top of them are combined into a bowtie SIW structure. SIW is fed by a tapered microstrip line transition providing low loss and good matching. In order to improve harmonic suppression performance of the filter, the dumbbell shaped defected ground structure (DGS) is etched to the ground side of the microstrip line feeding section. The proposed filter structure is put in a conducting box in order to improve attenuation levels at the band edges and prevent radiation to the outside. The prototype is designed at 9 GHz center frequency with 500 MHz bandwidth, analyzed and fabricated for verification. The measurement results are in good agreement with the simulations, and the filter exhibits more than 30 dB harmonic suppression.en_US
dc.identifier.doi10.1109/EuMC.2014.6986567en_US
dc.identifier.urihttp://hdl.handle.net/11693/27219
dc.language.isoEnglishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/EuMC.2014.6986567en_US
dc.source.titleProceedings of the 44th European Microwave Conference, EuMA 2014en_US
dc.subjectBandpass filtersen_US
dc.subjectDefected ground structuresen_US
dc.subjectHarmonic analysisen_US
dc.subjectMicrostrip linesen_US
dc.subjectMicrowave circuitsen_US
dc.subjectOptical resonatorsen_US
dc.subjectResonatorsen_US
dc.subjectWaveguide filtersen_US
dc.subjectWaveguidesen_US
dc.subjectAttenuation levelsen_US
dc.subjectCenter frequencyen_US
dc.subjectFilter structuresen_US
dc.subjectHarmonic suppressionen_US
dc.subjectInterdigitalen_US
dc.subjectMicrostrip-line feedingen_US
dc.subjectSIW filtersen_US
dc.subjectTapered microstrip linesen_US
dc.subjectSubstrate integrated waveguidesen_US
dc.titleNovel SIW based interdigital bandpass filter with harmonic suppressionen_US
dc.typeConference Paperen_US

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