CN104956588B - 用于包络跟踪的动态净空 - Google Patents

用于包络跟踪的动态净空 Download PDF

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Publication number
CN104956588B
CN104956588B CN201480005884.8A CN201480005884A CN104956588B CN 104956588 B CN104956588 B CN 104956588B CN 201480005884 A CN201480005884 A CN 201480005884A CN 104956588 B CN104956588 B CN 104956588B
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CN
China
Prior art keywords
voltage
headroom
supply voltage
amplifier
tracking
Prior art date
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Active
Application number
CN201480005884.8A
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English (en)
Chinese (zh)
Other versions
CN104956588A (zh
Inventor
L·K-A·马特
P·李
S·石
Y·石
J·拉特库斯基
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Qualcomm Inc
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Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN104956588A publication Critical patent/CN104956588A/zh
Application granted granted Critical
Publication of CN104956588B publication Critical patent/CN104956588B/zh
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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
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency 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
    • 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
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CN201480005884.8A 2013-01-28 2014-01-21 用于包络跟踪的动态净空 Active CN104956588B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/752,287 US8866547B2 (en) 2013-01-28 2013-01-28 Dynamic headroom for envelope tracking
US13/752,287 2013-01-28
PCT/US2014/012393 WO2014116608A2 (en) 2013-01-28 2014-01-21 Dynamic headroom for envelope tracking

Publications (2)

Publication Number Publication Date
CN104956588A CN104956588A (zh) 2015-09-30
CN104956588B true CN104956588B (zh) 2017-10-31

Family

ID=51205563

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480005884.8A Active CN104956588B (zh) 2013-01-28 2014-01-21 用于包络跟踪的动态净空

Country Status (6)

Country Link
US (2) US8866547B2 (https=)
EP (1) EP2949041B1 (https=)
JP (1) JP2016504892A (https=)
KR (1) KR20150110711A (https=)
CN (1) CN104956588B (https=)
WO (1) WO2014116608A2 (https=)

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US8866547B2 (en) 2013-01-28 2014-10-21 Qualcomm Incorporated Dynamic headroom for envelope tracking
US9729964B2 (en) 2014-06-26 2017-08-08 Apple Inc. Audio apparatus having dynamic ground break resistance
US9584012B2 (en) 2015-02-14 2017-02-28 Skyworks Solutions, Inc. Quick-start high-voltage boost
US9838058B2 (en) * 2015-02-15 2017-12-05 Skyworks Solutions, Inc. Power amplification system with variable supply voltage
US9602057B1 (en) * 2015-09-18 2017-03-21 Samsung Electronics Co., Ltd Apparatus for and method of a supply modulator for a power amplifier
US10148227B2 (en) * 2017-02-17 2018-12-04 Qorvo Us, Inc. RF power amplifier dynamic supply boosting circuit
US10326405B2 (en) * 2017-05-18 2019-06-18 Qualcomm Incorporated Class-H switching amplifier circuit having supply voltage proportional to an audio signal
WO2021067616A1 (en) 2019-10-03 2021-04-08 Skyworks Solutions, Inc. Jump-start power amplifier boost converter
US11159159B1 (en) * 2020-09-09 2021-10-26 Applied Materials, Inc. Electroplating controller with power based head-room control
US11750164B2 (en) 2020-11-17 2023-09-05 Harman International Industries, Incorporated Controlled rail-voltage decay for boost power supply output protection

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CN101051821A (zh) * 2007-03-23 2007-10-10 清华大学 一种小输出电阻、大输出幅度的电压跟随器
US20120081016A1 (en) * 2010-10-01 2012-04-05 Intersil Americas Inc. Led driver with adaptive dynamic headroom voltage control

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US6492867B2 (en) 2000-03-10 2002-12-10 Paragon Communications Ltd. Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio
US6437641B1 (en) 2000-03-10 2002-08-20 Paragon Communications Ltd. Method and apparatus for improving the efficiency of power amplifiers, operating under a large peak-to-average ratio
US6417736B1 (en) * 2000-11-01 2002-07-09 Lewyn Consulting, Inc. Multiple-voltage supply power amplifier with dynamic headroom control
IL150007A0 (en) 2002-06-03 2002-12-01 Paragon Comm Ltd Efficient supply enhancement circuitry for power amplifiers
IL150006A0 (en) 2002-06-03 2002-12-01 Paragon Comm Ltd Apparatus for detecting the envelope of rf power signals
US7026797B2 (en) * 2003-03-21 2006-04-11 Tropian, Inc. Extremely high-speed switchmode DC-DC converters
US6985039B2 (en) 2003-04-25 2006-01-10 Paragon Communications Ltd. Method and apparatus for providing a stable power output of power amplifiers, operating under unstable supply voltage conditions
EP1658671A1 (en) 2003-06-16 2006-05-24 Paragon Communications Ltd. Method and apparatus for dynamically regulating the supply voltage of a power amplifier
JP4012165B2 (ja) * 2004-03-23 2007-11-21 松下電器産業株式会社 送信機
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US8611835B2 (en) 2005-05-20 2013-12-17 Qualcomm Incorporated Method and apparatus for sensing the envelope of high level multi frequency band RF signals
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US7679433B1 (en) * 2007-02-02 2010-03-16 National Semiconductor Corporation Circuit and method for RF power amplifier power regulation and modulation envelope tracking
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US8000665B2 (en) * 2008-10-28 2011-08-16 Freescale Semiconductor, Inc. Systems and methods for adjusting headroom of a power amplifier
US8466755B2 (en) * 2009-01-05 2013-06-18 Panasonic Corporation Polar modulation apparatus and communication device
ATE545199T1 (de) 2009-07-06 2012-02-15 Nxp Bv Klasse-h-verstärker
WO2011007556A1 (ja) * 2009-07-13 2011-01-20 パナソニック株式会社 ポーラ変調器
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US8698558B2 (en) * 2011-06-23 2014-04-15 Qualcomm Incorporated Low-voltage power-efficient envelope tracker
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US8754707B2 (en) * 2012-10-24 2014-06-17 Qualcomm Incorporated Boost converter control for envelope tracking
US8866547B2 (en) 2013-01-28 2014-10-21 Qualcomm Incorporated Dynamic headroom for envelope tracking

Patent Citations (2)

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CN101051821A (zh) * 2007-03-23 2007-10-10 清华大学 一种小输出电阻、大输出幅度的电压跟随器
US20120081016A1 (en) * 2010-10-01 2012-04-05 Intersil Americas Inc. Led driver with adaptive dynamic headroom voltage control

Also Published As

Publication number Publication date
WO2014116608A2 (en) 2014-07-31
JP2016504892A (ja) 2016-02-12
EP2949041B1 (en) 2016-07-20
EP2949041A2 (en) 2015-12-02
WO2014116608A3 (en) 2014-12-04
US9537450B2 (en) 2017-01-03
US20150002235A1 (en) 2015-01-01
US8866547B2 (en) 2014-10-21
US20140210559A1 (en) 2014-07-31
CN104956588A (zh) 2015-09-30
KR20150110711A (ko) 2015-10-02

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