CN105684300A - 用于包络跟踪系统的包络路径中的信号的减小的带宽 - Google Patents

用于包络跟踪系统的包络路径中的信号的减小的带宽 Download PDF

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Publication number
CN105684300A
CN105684300A CN201480057555.8A CN201480057555A CN105684300A CN 105684300 A CN105684300 A CN 105684300A CN 201480057555 A CN201480057555 A CN 201480057555A CN 105684300 A CN105684300 A CN 105684300A
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CN
China
Prior art keywords
envelope
input
signal
power amplifier
power supply
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Pending
Application number
CN201480057555.8A
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English (en)
Chinese (zh)
Inventor
G·威姆佩尼
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SnapTrack Inc
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SnapTrack Inc
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Pending legal-status Critical Current

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Classifications

    • 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
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3294—Acting on the real and imaginary components of the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/005—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements using switched capacitors, e.g. dynamic amplifiers; using switched capacitors as resistors in differential amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • 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
    • 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
    • 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • 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
    • H03F2200/111—Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3206—Multiple channels are combined and amplified by only one amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21181—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers the supply current of a power amplifier being continuously controlled, e.g. by controlling current sources or resistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21184—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers the supply current of a power amplifier being continuously measured, e.g. by a resistor, a current mirror, to produce a controlling signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21193—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers the supply voltage of a power amplifier being continuously controlled, e.g. by an active potentiometer

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
CN201480057555.8A 2013-10-21 2014-10-20 用于包络跟踪系统的包络路径中的信号的减小的带宽 Pending CN105684300A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1318524.4 2013-10-21
GB1318524.4A GB2519361B (en) 2013-10-21 2013-10-21 Reduced bandwidth of signal in an envelope path for envelope tracking system
PCT/EP2014/072447 WO2015059096A1 (en) 2013-10-21 2014-10-20 Reduced bandwidth of signal in an envelope path for envelope tracking system

Publications (1)

Publication Number Publication Date
CN105684300A true CN105684300A (zh) 2016-06-15

Family

ID=49727058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480057555.8A Pending CN105684300A (zh) 2013-10-21 2014-10-20 用于包络跟踪系统的包络路径中的信号的减小的带宽

Country Status (7)

Country Link
US (1) US9350302B2 (https=)
EP (1) EP3061184B1 (https=)
JP (1) JP2016538761A (https=)
KR (1) KR20160074551A (https=)
CN (1) CN105684300A (https=)
GB (1) GB2519361B (https=)
WO (1) WO2015059096A1 (https=)

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WO2018161708A1 (zh) * 2017-03-06 2018-09-13 中兴通讯股份有限公司 一种包络跟踪方法和移动终端
CN108932004A (zh) * 2017-05-26 2018-12-04 三星电机株式会社 带偏移消除功能的包络跟踪电流偏置电路

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EP2974005B1 (en) 2013-03-14 2018-06-20 Quantance, Inc. Et system with adjustment for noise
WO2014151777A1 (en) 2013-03-15 2014-09-25 Quantance, Inc. Envelope tracking system with internal power amplifier characterization
KR20160027302A (ko) * 2014-08-28 2016-03-10 한국전자통신연구원 반송파 집성과 포락선 추적을 지원하는 rf 송신기
US10097137B2 (en) * 2014-08-29 2018-10-09 Kabushiki Kaisha Toshiba Timing alignment sensitivity for envelope tracking
JP2016082549A (ja) * 2014-10-22 2016-05-16 富士通株式会社 ピーク抑圧装置
US9391649B2 (en) * 2014-11-17 2016-07-12 Microsoft Technology Licensing, Llc Envelope shaping in envelope tracking power amplification
US9590668B1 (en) 2015-11-30 2017-03-07 NanoSemi Technologies Digital compensator
US10084630B2 (en) * 2015-12-29 2018-09-25 Blue Danube Systems, Inc. Multi-beam crest factor reduction
US10812166B2 (en) 2016-10-07 2020-10-20 Nanosemi, Inc. Beam steering digital predistortion
US11057004B2 (en) 2017-02-25 2021-07-06 Nanosemi, Inc. Multiband digital predistorter
US10141961B1 (en) 2017-05-18 2018-11-27 Nanosemi, Inc. Passive intermodulation cancellation
US10931318B2 (en) * 2017-06-09 2021-02-23 Nanosemi, Inc. Subsampled linearization system
US11115067B2 (en) 2017-06-09 2021-09-07 Nanosemi, Inc. Multi-band linearization system
US10581470B2 (en) 2017-06-09 2020-03-03 Nanosemi, Inc. Linearization system
US11323188B2 (en) 2017-07-12 2022-05-03 Nanosemi, Inc. Monitoring systems and methods for radios implemented with digital predistortion
US11303251B2 (en) 2017-10-02 2022-04-12 Nanosemi, Inc. Digital predistortion adjustment based on determination of load condition characteristics
FR3080723B1 (fr) * 2018-04-25 2021-08-06 Wupatec Systeme et procede de linearisation en bande de base pour un amplificateur de puissance radiofrequence de classe g
JP2021523629A (ja) 2018-05-11 2021-09-02 ナノセミ， インク．Ｎａｎｏｓｅｍｉ， Ｉｎｃ． 非線形システム用デジタル補償器
US10644657B1 (en) 2018-05-11 2020-05-05 Nanosemi, Inc. Multi-band digital compensator for a non-linear system
US10931238B2 (en) * 2018-05-25 2021-02-23 Nanosemi, Inc. Linearization with envelope tracking or average power tracking
EP3804127A1 (en) 2018-05-25 2021-04-14 NanoSemi, Inc. Digital predistortion in varying operating conditions
US11863210B2 (en) 2018-05-25 2024-01-02 Nanosemi, Inc. Linearization with level tracking
EP3804249A4 (en) 2018-05-29 2022-01-26 Telefonaktiebolaget LM Ericsson (publ) METHOD AND APPARATUS FOR SHAPING MULTI-CARRIER SIGNAL ENVELOPE IN ENVELOPE TRACKING TRANSMISSION
US10873301B2 (en) * 2019-04-08 2020-12-22 Qorvo Us, Inc. Dual-input voltage memory digital pre-distortion circuit and related envelope tracking apparatus
WO2020209421A1 (ko) * 2019-04-11 2020-10-15 엘지전자 주식회사 엔벨로프 트래킹을 지원하는 전자기기 및 그 전자기기의 제어 방법
US10992326B1 (en) 2020-05-19 2021-04-27 Nanosemi, Inc. Buffer management for adaptive digital predistortion

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US7120579B1 (en) * 1999-07-28 2006-10-10 Clear Audio Ltd. Filter banked gain control of audio in a noisy environment
CN1384602A (zh) * 2001-05-08 2002-12-11 华为技术有限公司 自适应射频数字预失真线性化方法及其电路
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GB2500705A (en) * 2012-03-30 2013-10-02 Nujira Ltd Correction for phase drift in an AM-PM distortion calibration system for an envelope tracking RF amplifier

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CN108932004A (zh) * 2017-05-26 2018-12-04 三星电机株式会社 带偏移消除功能的包络跟踪电流偏置电路

Also Published As

Publication number Publication date
EP3061184A1 (en) 2016-08-31
GB201318524D0 (en) 2013-12-04
GB2519361B (en) 2015-09-16
KR20160074551A (ko) 2016-06-28
WO2015059096A1 (en) 2015-04-30
US9350302B2 (en) 2016-05-24
GB2519361A (en) 2015-04-22
EP3061184B1 (en) 2018-02-14
US20150123735A1 (en) 2015-05-07
JP2016538761A (ja) 2016-12-08

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Application publication date: 20160615