2.4/5.2 GHz dual-band bandpass filter using open-loop square-ring and insert coupling structure

Cheng Yuan Kung, Ying Chung Chen, Cheng Fu Yang, Mau-phon Houng

研究成果: Conference contribution

摘要

A novel 2.4/5.2 GHz dual-band bandpass filter is proposed for WLAN (IEEE-802.11a/b/g) applications. The filter is cascaded by three open-loop square-ring resonators and two modified input/output transmission lines. The open-loop squarering with novel insert coupling structure is used to replace the typical hairpin structure for minimization. The filter is fabricated on the Al2O3 substrate with high quality factor by the printing method. The substrate is 0.6 mm in thickness and has a relative dielectric constant of 9.4. By combining the high dielectric constant substrate and modified structure, the proposed filter shows the advantages of low insertion loss, high out-of-band rejection, wide bandwidth and tiny size. The measured frequency responses reveal excellent agreement with the simulated ones.

原文English
主出版物標題2007 Asia-Pacific Microwave Conference, APMC
DOIs
出版狀態Published - 2007 十二月 1
事件Asia-Pacific Microwave Conference, APMC 2007 - Bangkok, Thailand
持續時間: 2007 十二月 112007 十二月 14

出版系列

名字Asia-Pacific Microwave Conference Proceedings, APMC

Other

OtherAsia-Pacific Microwave Conference, APMC 2007
國家/地區Thailand
城市Bangkok
期間07-12-1107-12-14

All Science Journal Classification (ASJC) codes

  • 工程 (全部)

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