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A Compact Filter With Dual-Mode Folded Circular SIW Cavities
Publikationstyp
Conference Paper
Publikationsdatum
2022
Sprache
English
Institut
Start Page
429
End Page
432
Citation
51st European Microwave Conference, EuMC 2021 (2022)
Contribution to Conference
Publisher DOI
Scopus ID
This contribution presents a compact filter with a novel folded circular substrate integrated waveguide (FCSIW) cavity. A modification leads to dual-mode operation. Two of these cavities are combined to form a fourth order filter. The design idea is experimentally verified with a very compact 10 GHz filter featuring an insertion loss below 2.4 dB in a 1 GHz bandwidth. The out-of-band rejection exceeds 40 dB between 11.1 GHz and 30 GHz.
Schlagworte
Compact
filter
folded substrate integrated waveguide (FSIW)
substrate integrated waveguide (SIW)
X-band