Miniaturized ultra-wideband bandpass filter using bridged-T coil

Wei Ting Fang, Tze Hao Tseng, Yo Shen Lin

研究成果: 雜誌貢獻期刊論文同行評審

23 引文 斯高帕斯(Scopus)

摘要

In this letter, a miniaturized ultra-wideband bandpass filter based on thin-film integrated passive device process is proposed. The multi-mode resonator is adopted to achieve a wide bandwidth from 3.1 to 10.6 GHz. By using the bridged-T coil to replace the transmission line of multi-mode resonator, the circuit size is largely reduced while the multi-mode property can be retained. The filter size without pads is 2.21 mm$\,\times \,$1.04 mm, which is only about $0.050 \lambda-{{{0}}} \times 0.024 \lambda-{{{0}}} $ at the center frequency of 6.85 GHz. To our knowledge, this is the smallest multi-mode resonator filter ever published.

原文???core.languages.en_GB???
文章編號6777364
頁(從 - 到)367-369
頁數3
期刊IEEE Microwave and Wireless Components Letters
24
發行號6
DOIs
出版狀態已出版 - 6月 2014

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