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WO2014118344A3 - Low power modes for 3g/4g envelope tracking modulator - Google Patents

Low power modes for 3g/4g envelope tracking modulator Download PDF

Info

Publication number
WO2014118344A3
WO2014118344A3 PCT/EP2014/051964 EP2014051964W WO2014118344A3 WO 2014118344 A3 WO2014118344 A3 WO 2014118344A3 EP 2014051964 W EP2014051964 W EP 2014051964W WO 2014118344 A3 WO2014118344 A3 WO 2014118344A3
Authority
WO
WIPO (PCT)
Prior art keywords
low power
envelope tracking
power modes
tracking
tracking modulator
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.)
Ceased
Application number
PCT/EP2014/051964
Other languages
French (fr)
Other versions
WO2014118344A2 (en
Inventor
Gerard Wimpenny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nujira Ltd
Original Assignee
Nujira Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nujira Ltd filed Critical Nujira Ltd
Publication of WO2014118344A2 publication Critical patent/WO2014118344A2/en
Publication of WO2014118344A3 publication Critical patent/WO2014118344A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • H03F1/02—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
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • H03F1/0238—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply 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
    • 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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching 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
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0045—Converters combining the concepts of switch-mode regulation and linear regulation, e.g. linear pre-regulator to switching converter, linear and switching converter in parallel, same converter or same transistor operating either in linear or switching mode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/375—Circuitry to compensate the offset being present in an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/391—Indexing scheme relating to amplifiers the output circuit of an amplifying stage comprising an LC-network
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/432—Two or more amplifiers of different type are coupled in parallel at the input or output, e.g. a class D and a linear amplifier, a class B and a class A 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
    • H03F2203/21142—Output signals of a plurality of power amplifiers are parallel combined to a common output

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

There is provided an envelope tracking modulated supply for providing a supply voltage tracking a reference signal, and comprising a low frequency path for tracking low frequency variations in the reference signal and a high frequency path for tracking high frequency variations in the reference signal, wherein the high frequency path is selectively enabled according to a mode of operation.
PCT/EP2014/051964 2013-02-01 2014-01-31 Low power modes for 3g/4g envelope tracking modulator Ceased WO2014118344A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1301853.6A GB2510394A (en) 2013-02-01 2013-02-01 Envelope tracking power supply with low power modes
GB1301853.6 2013-02-01

Publications (2)

Publication Number Publication Date
WO2014118344A2 WO2014118344A2 (en) 2014-08-07
WO2014118344A3 true WO2014118344A3 (en) 2014-11-27

Family

ID=47988593

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/051964 Ceased WO2014118344A2 (en) 2013-02-01 2014-01-31 Low power modes for 3g/4g envelope tracking modulator

Country Status (2)

Country Link
GB (1) GB2510394A (en)
WO (1) WO2014118344A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9596110B2 (en) * 2015-04-02 2017-03-14 Futurewei Technologies, Inc. Open loop digital PWM envelope tracking system with dynamic boosting
US9602057B1 (en) 2015-09-18 2017-03-21 Samsung Electronics Co., Ltd Apparatus for and method of a supply modulator for a power amplifier
EP3468035A1 (en) 2015-12-21 2019-04-10 Intel IP Corporation An apparatus and method for generating a plurality of power supply signals for a plurality of power amplifiers configured to amplify radio frequency transmit signals
FR3082071A1 (en) 2018-05-29 2019-12-06 Stmicroelectronics S.R.L ELECTRONIC SUPPLY CIRCUIT
CN114514488A (en) * 2019-09-30 2022-05-17 华为技术有限公司 Envelope tracking modulator and transmitting device
US11798978B2 (en) * 2019-12-06 2023-10-24 Cirrus Logic Inc. On-chip inductor with audio headphone amplifier
US11271599B2 (en) * 2019-12-19 2022-03-08 Qualcomm Incorporated Envelope tracking system having fast transition time for a radio frequency (RF) amplifier

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050064830A1 (en) * 2003-09-16 2005-03-24 Nokia Corporation Hybrid switched mode/linear power amplifier power supply for use in polar transmitter
US20060192536A1 (en) * 2005-02-28 2006-08-31 Chen Jau H DC-DC converter for power level tracking power amplifiers
WO2006111891A1 (en) * 2005-04-20 2006-10-26 Nxp B.V. A power supply system.
US20070024360A1 (en) * 2005-07-27 2007-02-01 Artesyn Technologies, Inc. Power supply providing ultrafast modulation of output voltage
WO2011115533A1 (en) * 2010-03-16 2011-09-22 Telefonaktiebolaget L M Ericsson (Publ) Envelope tracking switching hybrid
US20120194274A1 (en) * 2011-02-01 2012-08-02 Paul Fowers Integrated circuit, wireless communication unit and method for providing a power supply

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2398648B (en) * 2003-02-19 2005-11-09 Nujira Ltd Power supply stage for an amplifier
US7679433B1 (en) * 2007-02-02 2010-03-16 National Semiconductor Corporation Circuit and method for RF power amplifier power regulation and modulation envelope tracking
GB2465552B (en) * 2008-11-18 2015-12-09 Nujira Ltd Power supply arrangement for multi-stage amplifier
EP3499715A1 (en) * 2011-05-05 2019-06-19 Qorvo US, Inc. Power management architecture for modulated and constant supply operation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050064830A1 (en) * 2003-09-16 2005-03-24 Nokia Corporation Hybrid switched mode/linear power amplifier power supply for use in polar transmitter
US20060192536A1 (en) * 2005-02-28 2006-08-31 Chen Jau H DC-DC converter for power level tracking power amplifiers
WO2006111891A1 (en) * 2005-04-20 2006-10-26 Nxp B.V. A power supply system.
US20070024360A1 (en) * 2005-07-27 2007-02-01 Artesyn Technologies, Inc. Power supply providing ultrafast modulation of output voltage
WO2011115533A1 (en) * 2010-03-16 2011-09-22 Telefonaktiebolaget L M Ericsson (Publ) Envelope tracking switching hybrid
US20120194274A1 (en) * 2011-02-01 2012-08-02 Paul Fowers Integrated circuit, wireless communication unit and method for providing a power supply

Also Published As

Publication number Publication date
GB201301853D0 (en) 2013-03-20
WO2014118344A2 (en) 2014-08-07
GB2510394A (en) 2014-08-06

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