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Millimeter-Wave Notch Filter Based on Multisegment Dielectric Resonator on Slotline
Yasushi HORII Makoto TSUTSUMI
IEICE TRANSACTIONS on Electronics
Publication Date: 2001/10/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Millimeter-Wave Circuits and Fabrication Technologies Opening up the 21st Century)
dielectric resonator, slotline, planar circuit, millimeter wave, filter,
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This paper proposes a multisegment dielectric resonator (MSDR) placed on a slotline for millimeter-wave filter applications. The MSDR structure, including a rectangular dielectric lump and a thin low-dielectric insert, is quite useful for adjusting the coupling between the slotline mode and the resonant mode, leading to improve the filter performances. In addition, by tuning dimensions of the MSDR, a sharp and clear notch response can be designed in the transmission parameter. We have demonstrated the filter characteristics both theoretically and experimentally, and showed the practical procedure for the design of MSDR filters.