| Presentation | 2022-04-15 [Invited Talk] A High Efficiency 3.6-4.0 GHz Envelope-Tracking Power Amplifier Using GaN Soft-Switching Buck-Converter Yuji Komatsuzaki, Sandro Lanfranco, Tapio Kolmonen, Olli Piirainen, Jarno K. Tanskanen, Shuichi Sakata, Rui Ma, Shintaro Shinjo, Koji Yamanaka, Peter Asbeck, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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) |
| Keyword(in English) | GaN / Power Amplifier / Envelope Tracking / Soft-switching |
| Paper # | WPT2022-11,MW2022-11 |
| Date of Issue | 2022-04-08 (WPT, MW) |
| Conference Information | |
| Committee | MW / WPT |
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| Conference Date | 2022/4/15(1days) |
| 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 |
| Chair | Noriharu Suematsu(Tohoku Univ.) / Toshio Ishizaki(Ryukoku Univ.) |
| Vice Chair | Tadashi Kawai(Univ. of Hyogo) / Kensuke Okubo(Okayama Prefectural Univ.) / Hideyuki Nakamizo(Mitsubishi Electric) |
| Secretary | Tadashi Kawai(Saitama Univ.) / Kensuke Okubo(Toshiba) / Hideyuki Nakamizo(Okayama Univ.) / (Tokyo Univ. of Science) |
| Assistant | Naoki Hasegawa(Softbank) / Kosuke Katayama(Waseda Univ.) / Yoshiaki Narusue(Univ. of Tokyo) / Yuki Tanaka(Panasonic) |
| Paper Information | |
| Registration To | Technical Committee on Microwaves / Technical Committee on Wireless Power Transfer |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | [Invited Talk] 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) | |
| 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) |
| Date | 2022-04-15 |
| Paper # | WPT2022-11,MW2022-11 |
| Volume (vol) | vol.122 |
| Number (no) | WPT-1,MW-2 |
| Page | pp.pp.40-45(WPT), pp.40-45(MW), |
| #Pages | 6 |
| Date of Issue | 2022-04-08 (WPT, MW) |