NDLI: New S-Band Bandpass Filter (BPF) With Wideband Passband for Wireless Communication Systems

Content Provider	IEEE Xplore Digital Library
Author	Shaman, H.N.
Copyright Year	2001
Abstract	In this letter, a new wideband bandpass filter (BPF) using microstrip parallel-coupled line structure for s-band applications is proposed. The filter is constructed of two sections of three coupled lines separated by a nonuniform line resonator. In order to introduce one transmission zero at each edge of the desired passband, one of the outer coupled lines of each section is shorted to the ground. The nonuniform resonator is constructed by attaching pair of capacitive open-ended stubs at its central location. This resonator is implemented to increase the filter degree by moving the resonant mode inside the desired passband. The transmission zeros can be located at any desired frequency and the desired bandwidth can be obtained where the bandwidth is reversely proportional to the gap between the coupled lines. The filter is designed to have a wideband passband to cover the whole s-band frequency range. The design is successfully realized and verified by full-wave electromagnetic simulation and the experiment. Excellent agreement between the expected and measured results is obtained.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	242
Ending Page	244
Page Count	3
File Size	424612
File Format	PDF
ISSN	15311309
Volume Number	22
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Passband Wideband Band pass filters Filtering theory Wireless communication Microstrip three coupled lines Bandpass filter (BPF) coupled line filter microstrip filter s-band filter
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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