WO2003044932A3 - Switched mode power amplifier - Google Patents

Switched mode power amplifier Download PDF

Info

Publication number
WO2003044932A3
WO2003044932A3 PCT/IB2002/004773 IB0204773W WO03044932A3 WO 2003044932 A3 WO2003044932 A3 WO 2003044932A3 IB 0204773 W IB0204773 W IB 0204773W WO 03044932 A3 WO03044932 A3 WO 03044932A3
Authority
WO
WIPO (PCT)
Prior art keywords
primary
power amplifier
converter
mode power
switched mode
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/IB2002/004773
Other languages
French (fr)
Other versions
WO2003044932A2 (en
Inventor
Rudi Jonkman
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Priority to AU2002348890A priority Critical patent/AU2002348890A1/en
Priority to EP02781513A priority patent/EP1451924A2/en
Priority to JP2003546463A priority patent/JP2005510163A/en
Priority to US10/495,931 priority patent/US7030694B2/en
Publication of WO2003044932A2 publication Critical patent/WO2003044932A2/en
Publication of WO2003044932A3 publication Critical patent/WO2003044932A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
    • 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
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/285—Single converters with a plurality of output stages connected in parallel
    • 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
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Dc-Dc Converters (AREA)

Abstract

A digital switched-mode power amplifier including a dc power source (1) and two dc-to-dc converters arranged in a parallel configuration and arranged to operate in a switched-mode operation is disclosed. Each converter comprises a primary side (2a, 2b) with first switching means and a secondary side (5a, 5b) with second switching means. The primary sides (2a, 2b) are connected to said dc power source (1) and the secondary sides (5a, 5b) are connected to opposite ends of a load (6). Furthermore, each converter is provided with a transformer to obtain dc-isolation between said primary side (2a, 2b) and said secondary side (5a, 5b). The transformer comprises a primary winding (3a, 3b) arranged at the primary side (2a, 2b) and a secondary winding (4a, 4b) arranged on the secondary side (5a, 5b). Moreover, control means (7) comprising primary (10) and secondary control means (12) are arranged to operate the dc-to-dc converters in a complementary manner and to use power control to affect the switching cycle of each converter.
PCT/IB2002/004773 2001-11-23 2002-11-12 Switched mode power amplifier Ceased WO2003044932A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2002348890A AU2002348890A1 (en) 2001-11-23 2002-11-12 Switched mode power amplifier
EP02781513A EP1451924A2 (en) 2001-11-23 2002-11-12 Switched mode power amplifier
JP2003546463A JP2005510163A (en) 2001-11-23 2002-11-12 Switch mode power amplifier
US10/495,931 US7030694B2 (en) 2001-11-23 2002-11-12 Switched mode power amplifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01204503.5 2001-11-23
EP01204503 2001-11-23

Publications (2)

Publication Number Publication Date
WO2003044932A2 WO2003044932A2 (en) 2003-05-30
WO2003044932A3 true WO2003044932A3 (en) 2004-04-08

Family

ID=8181282

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2002/004773 Ceased WO2003044932A2 (en) 2001-11-23 2002-11-12 Switched mode power amplifier

Country Status (6)

Country Link
US (1) US7030694B2 (en)
EP (1) EP1451924A2 (en)
JP (1) JP2005510163A (en)
CN (1) CN1618167A (en)
AU (1) AU2002348890A1 (en)
WO (1) WO2003044932A2 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2426131B (en) * 2004-02-17 2008-01-23 Agere Systems Inc Versatile and intelligent power controller
US7368880B2 (en) * 2004-07-19 2008-05-06 Intersil Americas Inc. Phase shift modulation-based control of amplitude of AC voltage output produced by double-ended DC-AC converter circuitry for powering high voltage load such as cold cathode fluorescent lamp
US7560872B2 (en) * 2005-01-31 2009-07-14 Intersil Americas Inc. DC-AC converter having phase-modulated, double-ended, half-bridge topology for powering high voltage load such as cold cathode fluorescent lamp
US7564193B2 (en) * 2005-01-31 2009-07-21 Intersil Americas Inc. DC-AC converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp
US7208897B2 (en) * 2005-03-04 2007-04-24 Linear Corporation Motion control system for barrier drive
JP4793174B2 (en) 2005-11-25 2011-10-12 セイコーエプソン株式会社 Electrostatic transducer, circuit constant setting method
EP2057521A4 (en) 2006-08-25 2011-08-03 Lawson Labs Inc Bi-polar bi-directional energy-balancing power-conversion engine
DE102008053702A1 (en) * 2008-10-29 2010-05-06 Phoenix Contact Gmbh & Co. Kg Circuit arrangement for the protection of electronic devices against faulty logic voltages
US8244310B2 (en) * 2010-02-16 2012-08-14 Research In Motion Limited Mobile communication device employing power pack with multiple pairs of taps
US8456267B2 (en) * 2010-05-14 2013-06-04 Agilent Technologies, Inc. High-impedance DC-isolating transmission line transformers
CN101932180B (en) * 2010-08-25 2013-07-31 上海送吉机电有限公司 High-power factor electronic ballast of high-intensity gas discharging lamp
EP2536014B1 (en) * 2011-06-15 2016-12-28 Icepower A/S A two mode converter for audio amplifiers
US8410851B1 (en) 2011-09-12 2013-04-02 Wen-Hsiung Hsieh Switching amplifier with an inductor
US8451057B2 (en) 2011-11-02 2013-05-28 Wen-Hsiung Hsieh Switching amplifier using inductor current feedback
US9602067B2 (en) 2011-11-15 2017-03-21 Wen-Hsiung Hsieh Switching amplifier with pulsed current supply
US8416020B1 (en) 2011-11-20 2013-04-09 Wen-Hsiung Hsieh Switching amplifier and switching amplifying method
US8432221B1 (en) 2011-11-27 2013-04-30 Wen-Hsiung Hsieh Switching amplifying method and switching amplifier
US8525587B2 (en) 2011-12-04 2013-09-03 Wen-Hsiung Hsieh Switching amplifier with inductance means for transmitting energy
US8760230B2 (en) 2012-06-28 2014-06-24 Wen-Hsiung Hsieh Switching amplifier with pulsed current source and sink
CN103532400B (en) * 2013-10-22 2016-03-16 中国科学院上海微系统与信息技术研究所 Based on the close power amplifier circuit of civil power
DE102015205714A1 (en) * 2015-03-30 2016-10-06 Siemens Aktiengesellschaft A transmission amplifier for amplifying a signal in a wireless transmission system
CN112514247B (en) * 2018-07-10 2024-07-23 伯斯有限公司 Self-Boosted Amplifier
CN109065011B (en) * 2018-09-05 2024-04-05 厦门轻唱科技有限公司 Karaoke all-in-one machine and karaoke system
CN114123790B (en) * 2021-11-22 2023-12-08 哈尔滨工业大学（深圳） A large-scale high-efficiency DC transformer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984799A (en) * 1974-12-17 1976-10-05 Nasa DC-to-DC converters employing staggered-phase power switches with two-loop control
US5453717A (en) * 1993-11-05 1995-09-26 Thomson-Csf H-bridge type power amplifier and its blocking means
US5506493A (en) * 1992-11-10 1996-04-09 Motorola, Inc. Switching regulator and amplifier system
US6294957B1 (en) * 2000-01-21 2001-09-25 Harris Corporation RF power amplifier having synchronous RF drive

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186437A (en) 1978-05-03 1980-01-29 California Institute Of Technology Push-pull switching power amplifier
CA2009775C (en) 1989-03-04 1994-12-06 Brian E. Attwood Audio amplifier with phase modulated pulse width modulation
US5027264A (en) * 1989-09-29 1991-06-25 Wisconsin Alumni Research Foundation Power conversion apparatus for DC/DC conversion using dual active bridges

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984799A (en) * 1974-12-17 1976-10-05 Nasa DC-to-DC converters employing staggered-phase power switches with two-loop control
US5506493A (en) * 1992-11-10 1996-04-09 Motorola, Inc. Switching regulator and amplifier system
US5453717A (en) * 1993-11-05 1995-09-26 Thomson-Csf H-bridge type power amplifier and its blocking means
US6294957B1 (en) * 2000-01-21 2001-09-25 Harris Corporation RF power amplifier having synchronous RF drive

Also Published As

Publication number Publication date
EP1451924A2 (en) 2004-09-01
JP2005510163A (en) 2005-04-14
US7030694B2 (en) 2006-04-18
WO2003044932A2 (en) 2003-05-30
CN1618167A (en) 2005-05-18
AU2002348890A8 (en) 2003-06-10
AU2002348890A1 (en) 2003-06-10
US20050017803A1 (en) 2005-01-27

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