JP2018513613A - 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 - Google Patents

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 Download PDF

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JP2018513613A
JP2018513613A JP2017550203A JP2017550203A JP2018513613A JP 2018513613 A JP2018513613 A JP 2018513613A JP 2017550203 A JP2017550203 A JP 2017550203A JP 2017550203 A JP2017550203 A JP 2017550203A JP 2018513613 A JP2018513613 A JP 2018513613A
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Japan
Prior art keywords
frequency
switching
envelope tracking
signal
amplifier
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JP2017550203A
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English (en)
Japanese (ja)
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JP2018513613A5 (enExample
Inventor
ジョングリット・リードウォラタウィー
ソン・シ
レナート・カール−アクセル・マース
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クアルコム，インコーポレイテッド
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Publication of JP2018513613A publication Critical patent/JP2018513613A/ja
Publication of JP2018513613A5 publication Critical patent/JP2018513613A5/ja
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/453—Controlling being realised by adding a replica circuit or by using one among multiple identical circuits as a replica circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/78—A comparator being used in a controlling circuit of an amplifier

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP2017550203A 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 Pending JP2018513613A (ja)

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 true JP2018513613A (ja) 2018-05-24
JP2018513613A5 JP2018513613A5 (enExample) 2019-04-04

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ID=55588619

Family Applications (1)

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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)

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* Cited by examiner, † Cited by third party
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US10218326B2 (en) 2016-10-28 2019-02-26 Qualcomm Incorporated Source follower based envelope tracking for power amplifier biasing
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
US10763790B2 (en) 2018-06-06 2020-09-01 Shenzhen GOODIX Technology Co., Ltd. Valley detection for supply voltage modulation in power amplifier circuits
WO2020106360A2 (en) * 2019-09-20 2020-05-28 Futurewei Technologies, Inc. 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

Citations (4)

* Cited by examiner, † Cited by third party
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
JP2009152904A (ja) * 2007-12-20 2009-07-09 Fujitsu Ltd 電力増幅装置
EP2582041A2 (en) * 2011-10-14 2013-04-17 Samsung Electronics Co., Ltd Apparatus and Method for Interleaving Switching in Power Amplifier
JP2013132095A (ja) * 2011-12-20 2013-07-04 Renesas Electronics Corp 電源回路及び電源制御方法

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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
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
JP2009152904A (ja) * 2007-12-20 2009-07-09 Fujitsu Ltd 電力増幅装置
EP2582041A2 (en) * 2011-10-14 2013-04-17 Samsung Electronics Co., Ltd Apparatus and Method for Interleaving Switching in Power Amplifier
JP2013132095A (ja) * 2011-12-20 2013-07-04 Renesas Electronics Corp 電源回路及び電源制御方法

Also Published As

Publication number Publication date
CN107408926B (zh) 2020-08-11
CN107408926A (zh) 2017-11-28
US9379668B1 (en) 2016-06-28
WO2016160293A1 (en) 2016-10-06
EP3278450A1 (en) 2018-02-07
KR20170132179A (ko) 2017-12-01
EP3278450B1 (en) 2019-05-15

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