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| Presentation | 2004-10-22 14:15 A class-D amplifier using a spectrum shaping technique Akira Yasuda (Hosei Univ.), Takashi Kimura, Koichiro Ochiai, Toshihiko Hamasaki (TI Japan) Link to ES Tech. Rep. Archives:  ICD2004-130 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose a new class-D amplifier with a lower-frequency reference signal by using a spectrum shap-ing technique, in order to reduce an out-of-band noise, which improves an interference problem even when radio equipment independently designed. The peak-level of the measured out-of-band noise is 15dB lower than conventional class-D amplifier. The chip realizes THD of 0.45% and SNR of 81dB. The test chip can operate at single 2V power sup-ply. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Class-D / Amplifier / spectrum shaping / Audio / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 104, no. 366, ICD2004-130, pp. 55-60, Oct. 2004. | |
| Paper # | ICD2004-130 | |
| Date of Issue | 2004-10-15 (SIP, ICD, IE) | |
| ISSN | Print edition: ISSN 0913-5685 | |
| 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 | Link to ES Tech. Rep. Archives: ICD2004-130 |
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| Conference Information | |
| Committee | IE SIP ICD IPSJ-SLDM |
| Conference Date | 2004-10-21 - 2004-10-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ICD |
| Conference Code | 2004-10-IE-SIP-ICD-IPSJ-SLDM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A class-D amplifier using a spectrum shaping technique |
| Sub Title (in English) | |
| Keyword(1) | Class-D |
| Keyword(2) | Amplifier |
| Keyword(3) | spectrum shaping |
| Keyword(4) | Audio |
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| 1st Author's Name | Akira Yasuda |
| 1st Author's Affiliation | Hosei University (Hosei Univ.) |
| 2nd Author's Name | Takashi Kimura |
| 2nd Author's Affiliation | Texas Instruments Japan Inc. (TI Japan) |
| 3rd Author's Name | Koichiro Ochiai |
| 3rd Author's Affiliation | Texas Instruments Japan Inc. (TI Japan) |
| 4th Author's Name | Toshihiko Hamasaki |
| 4th Author's Affiliation | Texas Instruments Japan Inc. (TI Japan) |
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| Speaker | Author-1 |
| Date Time | 2004-10-22 14:15:00 |
| Presentation Time | 25 minutes |
| Registration for | ICD |
| Paper # | SIP2004-98, ICD2004-130, IE2004-74 |
| Volume (vol) | vol.104 |
| Number (no) | no.364(SIP), no.366(ICD), no.368(IE) |
| Page | pp.55-60 |
| #Pages | 6 |
| Date of Issue | 2004-10-15 (SIP, ICD, IE) |
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