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2013 (Vol. 6, Issue: 12)
Article Information:

Design of Folded Multilayer Microstrip Tri-Band Hairpin Band Pass Filter

K. Vidhya and T. Jayanthy
Corresponding Author:  K. Vidhya 

Key words:  Folded resonator, open loop, pass band, size reduction, stepped impedance, wireless,
Vol. 6 , (12): 2283-2287
Submitted Accepted Published
December 17, 2012 February 01, 2013 July 30, 2013

This study presents a novel approach for realizing miniaturized multi layer folded tri band micro-strip band pass filter for Wireless Local Area Network (WLAN) and Worldwide interoperatability for Microwave Access (WiMAX) applications. The proposed filter consists of a pair of folded hairpin stepped impedance resonators and pair of open loop resonators to achieve tri-band performance. The size of the folded micro-strip tri-band filter is reduced by nearly 60% due to the structural folding arrangement of SIR compared with conventional multilayer triband filter. The folded hairpin resonator helps to reduce the size of the filter. The stepped impedance resonators are designed to operate at the first and third pass bands and the open loop resonators at the second pass band. The design methodology of the tri-band band pass filter was presented. The simulated results of proposed tri-band filter were compared with the conventional one and tabulated.
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  Cite this Reference:
K. Vidhya and T. Jayanthy, 2013. Design of Folded Multilayer Microstrip Tri-Band Hairpin Band Pass Filter.  Research Journal of Applied Sciences, Engineering and Technology, 6(12): 2283-2287.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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