Miniaturised substrate integrated waveguide cavities in dual-band filter and diplexer design

You Lin Shen, Jhuo Ting Hung, Min Hua Ho, Chung I.G. Hsu

研究成果: Article同行評審

摘要

The contribution of this study is to develop a miniaturised substrate integrated waveguide (SIW) cavity resonator with two evanescent-mode resonances. The circuit area of the developed dual-frequency SIW cavity is only 9.2% that of its conventional SIW cavity counterpart. A dual-band filter is implemented from using two miniaturised SIW cavity resonators. The two-passband frequencies can be independently controlled. Two transmission zeros are created by the two sides of each passband for enhancing the signal selectivity. A diplexer is also designed from using the proposed SIW cavities. A dual-band filter and a diplexer are built for experimental verification. Agreements between measured and simulated data are observed. To the best of the authors' knowledge, the designed dual-band filter and diplexer have achieved the best circuit area efficiency in the categories of dual-band SIW cavity filters and diplexers.

原文English
頁(從 - 到)428-434
頁數7
期刊IET Microwaves, Antennas and Propagation
14
發行號5
DOIs
出版狀態Published - 2020 四月 15

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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