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NCUEIR > College of Engineering > eedept > Periodical Articles > Item 987654321/10275

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10275

Title:	Compact Dual-Band Filter Design Using Crossly Coupled λ/4 SIRs Embedded with Spur-Line for WLAN Applications
Authors:	Chen, Pow-Wen;Ho, Min-Hua;Hong, Wanchu
Contributors:	電子工程學系
Keywords:	Dual-band;WLAN;SIR;Cross coupling;Spur-line
Date:	2008-11
Issue Date:	2012-05-22T06:26:15Z
Publisher:	Wiley
Abstract:	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.
Relation:	Microwave and Optical Technology Lett., 50(11): 2807-2810
Appears in Collections:	[eedept] Periodical Articles

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