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| Presentation | 2010-04-23 14:30 Experimental study of bandwidth tunable filters using Π-shaped waveguides Naoto Sekiya, Hiroyuki Harada, Yasuhiko Nakagawa (Yamanashi Univ.), Shigetoshi Ohshima (Yamagata Univ.)  SCE2010-7 MW2010-7 Link to ES Tech. Rep. Archives: SCE2010-7 MW2010-7 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have developed a method for tuning the bandwidth of microstrip filter. Several -shaped waveguides are placed between the resonators, and the bandwidth is tuned in discrete steps by changing the switch states of the waveguides, which changes the coupling coefficient between the resonators. The filter contains 3-pole half-wavelength straight-line resonators and four -shaped waveguides for bandwidth tuning. It also has several electrical pads distributed around the feed lines for trimming after tuning. The filter achieves a measured 2.4:1 tunable passband ratio. The measurement results showed that the -shaped waveguides are effective in tuning the bandwidth. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | bandwidth / tunable / microstrip line / trimming / cognitive radio / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 14, MW2010-7, pp. 33-37, April 2010. | |
| Paper # | MW2010-7 | |
| Date of Issue | 2010-04-16 (SCE, MW) | |
| 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 | SCE2010-7 MW2010-7 Link to ES Tech. Rep. Archives: SCE2010-7 MW2010-7 |
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| Conference Information | |
| Committee | SCE MW |
| Conference Date | 2010-04-23 - 2010-04-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2010-04-SCE-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental study of bandwidth tunable filters using Π-shaped waveguides |
| Sub Title (in English) | |
| Keyword(1) | bandwidth |
| Keyword(2) | tunable |
| Keyword(3) | microstrip line |
| Keyword(4) | trimming |
| Keyword(5) | cognitive radio |
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| 1st Author's Name | Naoto Sekiya |
| 1st Author's Affiliation | University of Yamanashi (Yamanashi Univ.) |
| 2nd Author's Name | Hiroyuki Harada |
| 2nd Author's Affiliation | University of Yamanashi (Yamanashi Univ.) |
| 3rd Author's Name | Yasuhiko Nakagawa |
| 3rd Author's Affiliation | University of Yamanashi (Yamanashi Univ.) |
| 4th Author's Name | Shigetoshi Ohshima |
| 4th Author's Affiliation | Yamagata University (Yamagata Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-04-23 14:30:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | SCE2010-7, MW2010-7 |
| Volume (vol) | vol.110 |
| Number (no) | no.13(SCE), no.14(MW) |
| Page | pp.33-37 |
| #Pages | 5 |
| Date of Issue | 2010-04-16 (SCE, MW) |
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