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Paper Abstract and Keywords
Presentation 2014-10-24 09:15
Microstrip Dual-wideband BPF Consisting of a Parallel-Coupled SIR and Open-ended Stubs
Noriki Kato, Chun-Ping Chen, Takemasa Kato, Katsuhiro Kamata, Tetsuo Anada (Kanagawa Univ.), Zhewang Ma (Saitama Univ.) EMCJ2014-55 MW2014-111 EST2014-69
Abstract (in Japanese) (See Japanese page) 
(in English) A dual-wideband filter is designed by the combination of a UWB(ultra-wideband) bandpass filter (BPF) with a bandstop filter (BSF). Firstly, a UWB BPF composed of a three-coupled-line-based stepped-impedance-resonator (SIR) and two open-circuited stubs is designed in terms of a wideband filter design/synthesis theory. Secondly, a small stub is loaded at the open-end of the lowest line of the three-coupled-line structure to generate a controllable notch band. Then, a BSF consisting of a SIR and open-circuited stubs is designed to replace the transmission-line-part in the middle of BPF. Using the dimensions values of the designed BPF and BSF as initials, the dual-wideband filter is optimized and realized by an EM simulation. As a design example, a dual-wideband filter used for UWB system in Japan is designed to have two passbands of 3.4-4.8GHz and 7.27-10.25GHz following the proposed design procedure. Since the optimized dimensions of the dual-wideband filter are close to the initial ones, the effectiveness of the proposed design scheme is proved. The filter also exhibits low insertion losses in passbands, good rejection characteristics in stopbands and sharp skirt characteristics as well.
Keyword (in Japanese) (See Japanese page) 
(in English) Dual-wideband filter / Dual-band filter / UWB / Wideband filter / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 267, MW2014-111, pp. 73-78, Oct. 2014.
Paper # MW2014-111 
Date of Issue 2014-10-16 (EMCJ, MW, EST) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMCJ2014-55 MW2014-111 EST2014-69

Conference Information
Committee EMCJ IEE-EMC MW EST  
Conference Date 2014-10-23 - 2014-10-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Akita Prefectural Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave,, Electromagnetic Analysis, EMC, etc. 
Paper Information
Registration To MW 
Conference Code 2014-10-EMCJ-EMC-MW-EST 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Microstrip Dual-wideband BPF Consisting of a Parallel-Coupled SIR and Open-ended Stubs 
Sub Title (in English)  
Keyword(1) Dual-wideband filter  
Keyword(2) Dual-band filter  
Keyword(3) UWB  
Keyword(4) Wideband filter  
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1st Author's Name Noriki Kato  
1st Author's Affiliation Kanagawa University (Kanagawa Univ.)
2nd Author's Name Chun-Ping Chen  
2nd Author's Affiliation Kanagawa University (Kanagawa Univ.)
3rd Author's Name Takemasa Kato  
3rd Author's Affiliation Kanagawa University (Kanagawa Univ.)
4th Author's Name Katsuhiro Kamata  
4th Author's Affiliation Kanagawa University (Kanagawa Univ.)
5th Author's Name Tetsuo Anada  
5th Author's Affiliation Kanagawa University (Kanagawa Univ.)
6th Author's Name Zhewang Ma  
6th Author's Affiliation Saitama University (Saitama Univ.)
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Speaker Author-1 
Date Time 2014-10-24 09:15:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # EMCJ2014-55, MW2014-111, EST2014-69 
Volume (vol) vol.114 
Number (no) no.266(EMCJ), no.267(MW), no.268(EST) 
Page pp.73-78 
#Pages 6 
Date of Issue 2014-10-16 (EMCJ, MW, EST) 

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