JP2018513613A5 - - Google Patents
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- Publication number
- JP2018513613A5 JP2018513613A5 JP2017550203A JP2017550203A JP2018513613A5 JP 2018513613 A5 JP2018513613 A5 JP 2018513613A5 JP 2017550203 A JP2017550203 A JP 2017550203A JP 2017550203 A JP2017550203 A JP 2017550203A JP 2018513613 A5 JP2018513613 A5 JP 2018513613A5
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- switching
- circuit
- amplifier
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007423 decrease Effects 0.000 claims 6
- 230000003247 decreasing effect Effects 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/675,424 | 2015-03-31 | ||
| US14/675,424 US9379668B1 (en) | 2015-03-31 | 2015-03-31 | Envelope tracking circuits and methods with adaptive switching frequency |
| PCT/US2016/021596 WO2016160293A1 (en) | 2015-03-31 | 2016-03-09 | Envelope tracking circuits and methods with adaptive switching frequency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018513613A JP2018513613A (ja) | 2018-05-24 |
| JP2018513613A5 true JP2018513613A5 (enExample) | 2019-04-04 |
Family
ID=55588619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017550203A Pending JP2018513613A (ja) | 2015-03-31 | 2016-03-09 | 適合スイッチング周波数を用いるエンベロープトラッキング回路および方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9379668B1 (enExample) |
| EP (1) | EP3278450B1 (enExample) |
| JP (1) | JP2018513613A (enExample) |
| KR (1) | KR20170132179A (enExample) |
| CN (1) | CN107408926B (enExample) |
| WO (1) | WO2016160293A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10218326B2 (en) | 2016-10-28 | 2019-02-26 | Qualcomm Incorporated | Source follower based envelope tracking for power amplifier biasing |
| US10763790B2 (en) | 2018-06-06 | 2020-09-01 | Shenzhen GOODIX Technology Co., Ltd. | Valley detection for supply voltage modulation in power amplifier circuits |
| CN109564250B (zh) * | 2018-06-06 | 2021-02-12 | 深圳市汇顶科技股份有限公司 | 用于功率放大电路中电源电压调制的波谷检测 |
| EP3954030B1 (en) * | 2019-09-20 | 2025-07-30 | Huawei Digital Power Technologies Co., Ltd. | Low noise power conversion system and method |
| CN111030602B (zh) * | 2019-11-11 | 2022-04-01 | 西安亚润微光电科技有限公司 | 一种带宽可拓展的用于射频功率放大器的电源 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003179444A (ja) * | 2001-12-11 | 2003-06-27 | Fujitsu Ltd | 電圧制御電力増幅器 |
| US6900697B1 (en) * | 2002-05-31 | 2005-05-31 | National Semiconductor Corporation | Method and system for providing power management in a radio frequency power amplifier by dynamically adjusting supply and bias conditions |
| FI20065865A0 (fi) * | 2006-12-29 | 2006-12-29 | Nokia Corp | Usean toimitilan amplitudimodulaattorin ohjausmenetelmä |
| JP4905344B2 (ja) * | 2007-12-20 | 2012-03-28 | 富士通株式会社 | 電力増幅装置 |
| US7808323B2 (en) | 2008-05-23 | 2010-10-05 | Panasonic Corporation | High-efficiency envelope tracking systems and methods for radio frequency power amplifiers |
| FI20085808A0 (fi) * | 2008-08-29 | 2008-08-29 | Nokia Corp | Vääristymien korjaaminen tehovahvistimen ulostulossa |
| US9030256B2 (en) * | 2010-04-20 | 2015-05-12 | Rf Micro Devices, Inc. | Overlay class F choke |
| US8975960B2 (en) | 2011-02-01 | 2015-03-10 | Mediatek Singapore Pte. Ltd. | Integrated circuit wireless communication unit and method for providing a power supply |
| KR101784885B1 (ko) * | 2011-10-14 | 2017-10-13 | 삼성전자주식회사 | 전력증폭기에서 인터리빙 스위칭 장치 및 방법 |
| JP2013132095A (ja) * | 2011-12-20 | 2013-07-04 | Renesas Electronics Corp | 電源回路及び電源制御方法 |
| US9065505B2 (en) | 2012-01-31 | 2015-06-23 | Rf Micro Devices, Inc. | Optimal switching frequency for envelope tracking power supply |
| US8902002B2 (en) * | 2012-05-30 | 2014-12-02 | Nujira Limited | Adaptive biasing scheme for an amplifier |
| US9287829B2 (en) | 2012-12-28 | 2016-03-15 | Peregrine Semiconductor Corporation | Control systems and methods for power amplifiers operating in envelope tracking mode |
| US9372492B2 (en) * | 2013-01-11 | 2016-06-21 | Qualcomm Incorporated | Programmable frequency range for boost converter clocks |
| US9306520B2 (en) | 2013-01-28 | 2016-04-05 | Qualcomm Incorporated | Reverse current prevention |
| US9479118B2 (en) | 2013-04-16 | 2016-10-25 | Rf Micro Devices, Inc. | Dual instantaneous envelope tracking |
| JP6107358B2 (ja) | 2013-04-17 | 2017-04-05 | 富士通株式会社 | 電源回路、電源ｉｃ、電力増幅装置および無線通信装置 |
| US9837962B2 (en) * | 2013-06-06 | 2017-12-05 | Qualcomm Incorporated | Envelope tracker with variable boosted supply voltage |
| US8909175B1 (en) * | 2013-06-27 | 2014-12-09 | Crestcom, Inc. | Transmitter and method for RF power amplifier having a bandwidth controlled, detroughed envelope tracking signal |
| US20150194936A1 (en) * | 2014-01-09 | 2015-07-09 | Qualcomm Incorporated | Power amplifier envelope tracking |
| US9831834B2 (en) * | 2014-07-29 | 2017-11-28 | Skyworks Solutions, Inc. | Envelope tracking with low frequency loss correction |
| CN104883139B (zh) * | 2015-05-22 | 2018-02-13 | 电子科技大学 | 一种用于包络跟踪系统的双开关电源调制器 |
-
2015
- 2015-03-31 US US14/675,424 patent/US9379668B1/en active Active
-
2016
- 2016-03-09 KR KR1020177027313A patent/KR20170132179A/ko not_active Withdrawn
- 2016-03-09 CN CN201680016659.3A patent/CN107408926B/zh not_active Expired - Fee Related
- 2016-03-09 EP EP16711472.7A patent/EP3278450B1/en active Active
- 2016-03-09 WO PCT/US2016/021596 patent/WO2016160293A1/en not_active Ceased
- 2016-03-09 JP JP2017550203A patent/JP2018513613A/ja active Pending
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