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This paper presents the design of a Ka-band cavity-backed patch antenna with parasitic strips using low temperature cofired ceramic (LTCC) multilayer technology. A cavity-backed structure consisting of a square ring of short-circuited metal plane is used to surround the microstrip patch antenna for alleviating the effect of the edge diffraction and reducing the backside radiation, hence, improving...
In this paper, a new kind of dual-mode Folded Substrate Integrated Waveguide (FSIW) filters in K-band with Low-Temperature Co-fired Ceramics (LTCC) technology is proposed. Dual-mode FSIW filter of single resonant cavity is designed to degenerate two modes: folded TE201 and TE102, which results in two transmission zeros on each side of the pass-band. To further validate its characteristics, a dual-mode...
A three order cross-coupling FSIW (Folded Substrate Integrated Waveguide) cavity filter with three TZs (Transmission Zeroes) is proposed firstly. By the merit of the LTCC (Low-Temperature Co-fired Ceramic) technology, the substrate area occupied by the filter is reduced by approximately 50% compared with the traditional SIW filter, and it still exhibits a sharp frequency selection performance. To...
An improved SIFW structure is proposed for the first time in this paper. Base on the new structure, two novel millimeter-wave SIFW BPFs have been analyzed and designed in this paper. Through the cross-coupling, the filters could provide TZs on lower and higher stopband which greatly enhance the side-band rejection. LTCC technology is also implemented to realize further compact size of this filter...
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