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| Presentation | 2008-01-31 16:15 On an Attenuation Characteristic Approximation of Commensurate Transmission-Line Filters by a Class of Rational Functions Hideaki Fujimoto, Kazuhiko Ushio (Kinki Univ.)  CAS2007-91 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The potential-analog methods, Q-functions and Cut-and-try are well known as general methods for approximating attenuation characteristics of commensurate transmission-line filters. In this paper, approximation problems of such filters by a class of 8th-order rational functions with real coefficients are considered. Conditions for having lowpass or highpass filter characteristics with ripples in the passband and the stopband are given. The conditions are for solving nonlinear simultaneous equations. Moreover, for design of commensurate transmission-line filters those are applied in order to realize band-pass or band-elimination characteristics. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Approximation Problem / Commensurate Transmission-Line Filter / Parallel Coupled Transmission Line / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 475, CAS2007-91, pp. 43-48, Jan. 2008. | |
| Paper # | CAS2007-91 | |
| Date of Issue | 2008-01-24 (CAS) | |
| 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 | CAS2007-91 |
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| Conference Information | |
| Committee | CAS |
| Conference Date | 2008-01-31 - 2008-02-01 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | CAS |
| Conference Code | 2008-01-CAS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On an Attenuation Characteristic Approximation of Commensurate Transmission-Line Filters by a Class of Rational Functions |
| Sub Title (in English) | |
| Keyword(1) | Approximation Problem |
| Keyword(2) | Commensurate Transmission-Line Filter |
| Keyword(3) | Parallel Coupled Transmission Line |
| Keyword(4) | |
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| Keyword(8) | |
| 1st Author's Name | Hideaki Fujimoto |
| 1st Author's Affiliation | Kinki University (Kinki Univ.) |
| 2nd Author's Name | Kazuhiko Ushio |
| 2nd Author's Affiliation | Kinki University (Kinki Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-01-31 16:15:00 |
| Presentation Time | 25 minutes |
| Registration for | CAS |
| Paper # | CAS2007-91 |
| Volume (vol) | vol.107 |
| Number (no) | no.475 |
| Page | pp.43-48 |
| #Pages | 6 |
| Date of Issue | 2008-01-24 (CAS) |
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