NDLI: A compact wide-band bandpass filter using the microstrip loop resonators with connected four inner corner identical branches and outer tuning stubs

Content Provider	IEEE Xplore Digital Library
Author	Konpang, J. Anunvrapong, P. Jumniensri, C. Wongmethanukroah, J.
Copyright Year	2006
Description	Author affiliation: Dept. of Electron. & Telecommun. Eng., Rajamangala Univ. of Technol., Bangkok, Thailand (Konpang, J.; Anunvrapong, P.; Jumniensri, C.; Wongmethanukroah, J.)
Abstract	This paper proposes a compact wide-band bandpass filter using the properties of microstrip open-loop resonators with outer tuning stubs. The microstrip loop resonator consists of four identical branches and each branch is a open-loop microstrip element. An introduced bandpass filter is based on the bandstop filter employing the direct-connected feed lines on the orthogonal of the microstrip loop resonators. The introduction of two outer tuning stubs connecting opposite to the ports widens the passband and sharpens the stopbands. The filter is designed at center frequency of 2.45 GHz and simulated by IE3D. The measurement of fabricated structure proposes 37% bandwidth and 0.84 dB insertion loss.
Starting Page	579
Ending Page	582
File Size	1020739
Page Count	4
File Format	PDF
ISBN	0780394127
DOI	10.1109/RWS.2006.1615223
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wideband Band pass filters Microstrip filters Microstrip resonators Resonator filters Feeds Tuning Joining processes Passband Frequency
Content Type	Text
Resource Type	Article

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