Compact dual-band filter design using crossly coupled λ/4 SIRs embedded with spur-line for WLAN applications

Pow Wen Chen, Min Hua Ho, Wanchu Hong

研究成果: Article

4 引文 斯高帕斯(Scopus)

摘要

This article presents a compact dual-band bandpass filter (BPF) design using λ/4 stepped impedance resonators (SIRs) embedded with spur-line for the WLAN applications. The filter covers both the operating frequencies of 2.45 GHz and 5.2-5.8 GHz. The crossly coupled mechanism is used in the filter design to provide attenuation poles by the passband edges for enhancing the signal selectivity and increasing stopband rejection levels. The tapped-line is incorporated in feed structure to save the circuit space. The spur-line is embedded in each I/O SIRs to push the upper stopband limit to a higher frequency. Experiments are conducted to verify the circuit performance. A good agreement is observed between the simulation and the measurement.

原文English
頁(從 - 到)2807-2810
頁數4
期刊Microwave and Optical Technology Letters
50
發行號11
DOIs
出版狀態Published - 2008 十一月 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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