| IEICE Technical Committee Submission System Conference Paper's Information |
Online Proceedings [Sign in] Tech. Rep. Archives |
| Go Top Page | Go Previous | [Japanese] / [English] |
| Paper Abstract and Keywords | ||
| Presentation | 2024-03-14 16:25 Study of Performances with Coupler Structures for Reflective Phase Shifters Tsuyoshi Kajiwara, Bo Yang, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.)  WPT2023-45 |
|
| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this study, we investigated the impact of changing the hybrid coupler used in a reflective phase shifter on its performance. Initially, simulations were conducted for a phase shifter using a branch-line coupler, which is easily implementable. This phase shifter exhibited very low insertion loss of SI{-0.23}{dB} at SI{5.75}{GHz}. Subsequently, we replaced it with a Lange coupler utilizing interdigital capacitors. It was observed that $|S_{21}|$ increased to SI{-0.68}{dB} at SI{5.75}{GHz}. However, with the Lange coupler-based phase shifter, the bandwidth where $|S_{11}|<-10,si{dB}$ extended from SI{4.2}{GHz} to SI{6.2}{GHz}, a span of SI{2.0}{GHz}. This widening of the bandwidth was confirmed to be more than twice as large as that of the branch-line coupler. Furthermore, experiments simplifying the structure of the Lange coupler also verified this broadband improvement. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | phase shifter / branch-line coupler / range coupler / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 437, WPT2023-45, pp. 55-58, March 2024. | |
| Paper # | WPT2023-45 | |
| Date of Issue | 2024-03-06 (WPT) | |
| ISSN | 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 | WPT2023-45 |
|
| Conference Information | |
| Committee | WPT |
| Conference Date | 2024-03-13 - 2024-03-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyoto-Univ. (Uji campus) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | SSPS Technology, General WPT |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2024-03-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of Performances with Coupler Structures for Reflective Phase Shifters |
| Sub Title (in English) | |
| Keyword(1) | phase shifter |
| Keyword(2) | branch-line coupler |
| Keyword(3) | range coupler |
| Keyword(4) | |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tsuyoshi Kajiwara |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Bo Yang |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Naoki Shinohara |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Tomohiko Mitani |
| 4th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 5th Author's Name | |
| 5th Author's Affiliation | () |
| 6th Author's Name | |
| 6th Author's Affiliation | () |
| Speaker | Author-1 |
| Date Time | 2024-03-14 16:25:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2023-45 |
| Volume (vol) | vol.123 |
| Number (no) | no.437 |
| Page | pp.55-58 |
| #Pages | 4 |
| Date of Issue | 2024-03-06 (WPT) |
[Return to Top Page]