2011-10-18
Realization of Millimeter-Wave Dual-Mode Filters Using Square High-Order Mode Cavities
By
Progress In Electromagnetics Research Letters, Vol. 27, 33-42, 2011
Abstract
Some interesting results are presented in this paper by investigating the characteristics of square high-order mode cavities. Based on the standard printed circuit board (PCB) process and the substrate integrated waveguide (SIW) technology, two different square cavities which exhibit dual-mode filtering response are studied and implemented. Their bandwidths can be controlled by adjusting the eigen-frequencies of the resonating modes and the coupling apertures. The proposed configurations also allow implementing transmission zeros to improve the selectivity in an easy way. A Q-band quasi-elliptic filter using such two cavities in a folded configuration is designed, fabricated and measured. High selectivity and small insertion loss are achieved which are in good agreement with the simulated results.
Citation
Yuan Dan Dong, Wei Hong, and Hong Jun Tang, "Realization of Millimeter-Wave Dual-Mode Filters Using Square High-Order Mode Cavities," Progress In Electromagnetics Research Letters, Vol. 27, 33-42, 2011.
doi:10.2528/PIERL11091502
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