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| Presentation | 2022-04-15 15:40 [Invited Talk] A High Efficiency 3.6-4.0 GHz Envelope-Tracking Power Amplifier Using GaN Soft-Switching Buck-Converter Yuji Komatsuzaki (Mitsubishi Electric), Sandro Lanfranco, Tapio Kolmonen, Olli Piirainen, Jarno K. Tanskanen (Nokia Bell Labs), Shuichi Sakata (Mitsubishi Electric), Rui Ma (MERL), Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric), Peter Asbeck (UCSD)  WPT2022-11 MW2022-11 Link to ES Tech. Rep. Archives: MW2022-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We report a high efficiency sub-6GHz wideband Envelope-Tracking Power Amplifier (ET-PA) including an envelope amplifier and a wideband RF-PA, used in conjunction with a digital front end (DFE) environment for signal generation and predistortion. The envelope amplifier employed soft-switching technique to achieve high efficiency operation for wideband modulated signal. Both the envelope amplifier and RF-PA were fabricated using an 0.15um GaN HEMT process. The overall ET-PA achieves total efficiency of 39.5-46.7% and output power of 31.2-31.5dBm over 3.6-4.0GHz with 20MHz LTE signals. With DPD, ACLR was below -45dBc with total efficiency reaching 47% at 3.6GHz. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | GaN / Power Amplifier / Envelope Tracking / Soft-switching / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 2, MW2022-11, pp. 40-45, April 2022. | |
| Paper # | MW2022-11 | |
| Date of Issue | 2022-04-08 (WPT, MW) | |
| 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 | WPT2022-11 MW2022-11 Link to ES Tech. Rep. Archives: MW2022-11 |
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| Conference Information | |
| Committee | MW WPT |
| Conference Date | 2022-04-15 - 2022-04-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Power Transfer, Microwave |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2022-04-MW-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A High Efficiency 3.6-4.0 GHz Envelope-Tracking Power Amplifier Using GaN Soft-Switching Buck-Converter |
| Sub Title (in English) | |
| Keyword(1) | GaN |
| Keyword(2) | Power Amplifier |
| Keyword(3) | Envelope Tracking |
| Keyword(4) | Soft-switching |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuji Komatsuzaki |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 2nd Author's Name | Sandro Lanfranco |
| 2nd Author's Affiliation | Nokia Bell Labs (Nokia Bell Labs) |
| 3rd Author's Name | Tapio Kolmonen |
| 3rd Author's Affiliation | Nokia Bell Labs (Nokia Bell Labs) |
| 4th Author's Name | Olli Piirainen |
| 4th Author's Affiliation | Nokia Bell Labs (Nokia Bell Labs) |
| 5th Author's Name | Jarno K. Tanskanen |
| 5th Author's Affiliation | Nokia Bell Labs (Nokia Bell Labs) |
| 6th Author's Name | Shuichi Sakata |
| 6th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 7th Author's Name | Rui Ma |
| 7th Author's Affiliation | Mitsubishi Electric Research Laboratories (MERL) |
| 8th Author's Name | Shintaro Shinjo |
| 8th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 9th Author's Name | Koji Yamanaka |
| 9th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 10th Author's Name | Peter Asbeck |
| 10th Author's Affiliation | University of California, San Diego (UCSD) |
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| Speaker | Author-1 |
| Date Time | 2022-04-15 15:40:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | WPT2022-11, MW2022-11 |
| Volume (vol) | vol.122 |
| Number (no) | no.1(WPT), no.2(MW) |
| Page | pp.40-45 |
| #Pages | 6 |
| Date of Issue | 2022-04-08 (WPT, MW) |
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