JP2003111405A - トラッキング電源制御 - Google Patents

トラッキング電源制御

Info

Publication number
JP2003111405A
JP2003111405A JP2002236288A JP2002236288A JP2003111405A JP 2003111405 A JP2003111405 A JP 2003111405A JP 2002236288 A JP2002236288 A JP 2002236288A JP 2002236288 A JP2002236288 A JP 2002236288A JP 2003111405 A JP2003111405 A JP 2003111405A
Authority
JP
Japan
Prior art keywords
power
amplitude
power supply
voltage
frequency
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.)
Pending
Application number
JP2002236288A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003111405A5 (enExample
Inventor
Wenjian Gu
ウェンジャン・グ
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.)
Bose Corp
Original Assignee
Bose Corp
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 Bose Corp filed Critical Bose Corp
Publication of JP2003111405A publication Critical patent/JP2003111405A/ja
Publication of JP2003111405A5 publication Critical patent/JP2003111405A5/ja
Pending 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
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/351—Pulse width modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Dc-Dc Converters (AREA)
JP2002236288A 2001-08-14 2002-08-14 トラッキング電源制御 Pending JP2003111405A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/929,757 US6535399B2 (en) 2001-08-14 2001-08-14 Tracking power supply controlling
US09/929757 2001-08-14

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007002974U Continuation JP3133286U (ja) 2001-08-14 2007-04-25 トラッキング電源

Publications (2)

Publication Number Publication Date
JP2003111405A true JP2003111405A (ja) 2003-04-11
JP2003111405A5 JP2003111405A5 (enExample) 2005-11-04

Family

ID=25458403

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2002236288A Pending JP2003111405A (ja) 2001-08-14 2002-08-14 トラッキング電源制御
JP2007002974U Expired - Lifetime JP3133286U (ja) 2001-08-14 2007-04-25 トラッキング電源

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2007002974U Expired - Lifetime JP3133286U (ja) 2001-08-14 2007-04-25 トラッキング電源

Country Status (5)

Country Link
US (1) US6535399B2 (enExample)
EP (1) EP1286461B1 (enExample)
JP (2) JP2003111405A (enExample)
CN (1) CN100370686C (enExample)
DE (1) DE60217235T2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009065663A (ja) * 2007-09-06 2009-03-26 General Electric Co <Ge> 高電圧、高速、高パルス繰返し数のパルス発生器

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4773002B2 (ja) * 2001-08-17 2011-09-14 株式会社三社電機製作所 メッキ用電源装置
US7030689B2 (en) * 2004-03-02 2006-04-18 Agilent Technologies, Inc. Isolated DC-to-DC converter
DE102004035248B4 (de) * 2004-07-21 2011-08-18 Puls GmbH, 81925 Resonanzwandler
US7554820B2 (en) * 2005-09-20 2009-06-30 Harman International Industries, Incorporated Series resonant DC-DC converter
US7796406B2 (en) * 2007-07-31 2010-09-14 Lumenis Ltd. Apparatus and method for high efficiency isolated power converter
GB0715254D0 (en) * 2007-08-03 2007-09-12 Wolfson Ltd Amplifier circuit
US7834702B2 (en) * 2007-10-16 2010-11-16 Thx Ltd. Efficient power amplifier
US8184456B1 (en) * 2008-08-26 2012-05-22 International Rectifier Corporation Adaptive power converter and related circuitry
DE102010020083B4 (de) 2010-04-07 2018-08-23 Phoenix Contact Gmbh & Co. Kg Regelung für Kleinleistungsschaltnetzteile
US8614615B2 (en) * 2010-12-01 2013-12-24 Power Integrations, Inc. Energy transfer assembly with tuned leakage inductance and common mode noise compensation
US20110141771A1 (en) * 2010-12-07 2011-06-16 Karl Kyrberg Electric power system including power converter and rotary transformer and method of assembling same
KR20140053282A (ko) * 2011-08-04 2014-05-07 위트리시티 코포레이션 튜닝 가능한 무선 전력 아키텍처
US9673719B2 (en) * 2013-10-17 2017-06-06 The Governing Council Of The University Of Toronto Dual Active Bridge with flyback mode
GB2549571A (en) * 2016-04-20 2017-10-25 Cirrus Logic Int Semiconductor Ltd Single signal-variant power supply for a pluarity of amplifiers
US10361556B2 (en) * 2016-10-25 2019-07-23 Continental Automotive Systems, Inc. Short-circuit detection for half-bridge peak-and-hold pre-driver
TWI694670B (zh) * 2019-02-15 2020-05-21 群光電能科技股份有限公司 諧振式電源轉換裝置

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51121239A (en) 1975-04-17 1976-10-23 Sony Corp An amplification circuit
US4323959A (en) * 1978-05-10 1982-04-06 Hewlett-Packard Company Power supply with resonant inverter circuit using variable frequency control for regulation
US4218660A (en) 1978-11-06 1980-08-19 Carver R W Audio amplifier and method of operating the same
JPS5935522B2 (ja) 1979-10-16 1984-08-29 ヤマハ株式会社 電力増幅器
DE3111776C2 (de) * 1980-03-26 1983-12-22 Hitachi, Ltd., Tokyo Stereoverstärkeranlage
US4484150A (en) 1980-06-27 1984-11-20 Carver R W High efficiency, light weight audio amplifier and power supply
US4472687A (en) 1980-12-24 1984-09-18 Tokyo Shibaura Denki Kabushiki Kaisha Audio power amplifier for supplying electric power to a load by switching of power supply voltage
NL8104914A (nl) 1981-10-30 1983-05-16 Philips Nv Versterker met signaalafhankelijke voedingsspanningsbron.
JPS58103207A (ja) 1981-12-15 1983-06-20 Pioneer Electronic Corp 増幅器の電源供給回路
JPS58111507A (ja) 1981-12-25 1983-07-02 Nippon Gakki Seizo Kk 電力増幅器
US4520322A (en) 1982-01-20 1985-05-28 Pioneer Electronic Corporation Power amplifier having improved power supply circuit
US4586002A (en) 1982-09-01 1986-04-29 Carver R W Audio amplifying apparatus and method
DE3572098D1 (en) 1984-11-02 1989-09-07 Bose Corp Frequency-stabilized two-state modulation
US4631652A (en) * 1984-11-30 1986-12-23 Rca Corporation Frequency controlled resonant regulator
GB2170663B (en) 1985-02-02 1989-06-14 Brian Ernest Attwood Harmonic-resonant power supply
US4672528A (en) * 1986-05-27 1987-06-09 General Electric Company Resonant inverter with improved control
US4670832A (en) * 1986-06-12 1987-06-02 General Electric Company Resonant inverter having improved control at enablement
US4808946A (en) 1986-12-22 1989-02-28 Carver R W Lightweight, high power audio amplifier and power supply
US4729085A (en) * 1986-12-29 1988-03-01 Rca Corporation Frequency limited resonant regulator useful in, for example, a half-bridge inverter
GB8905002D0 (en) * 1989-03-04 1989-04-19 Attwood Brian E Audio amplifiers
US5014016A (en) * 1989-04-13 1991-05-07 Beltone Electronics Corporation Switching amplifier
US4930063A (en) * 1989-04-17 1990-05-29 Unisys Corporation Variable resonance regulator for power supply
GB2275384A (en) * 1993-02-22 1994-08-24 Thomson Consumer Electronics Controlling amplifier power supply in dependence on signal level
US5410592A (en) * 1993-06-04 1995-04-25 Harris Corporation Class `D` audio speaker amplifier circuit with state variable feedback control
CA2109755C (en) 1993-11-23 2004-11-02 John Barry French Composite bridge amplifier with output overload and thermal protection
US5554959A (en) 1994-10-25 1996-09-10 Vac-Com, Inc. Linear power amplifier with a pulse density modulated switching power supply
JP3522969B2 (ja) * 1995-10-25 2004-04-26 パイオニア株式会社 Ｂｔｌ増幅器装置
US5777519A (en) 1996-07-18 1998-07-07 Simopoulos; Anastasios V. High efficiency power amplifier
AU2001276206A1 (en) * 2000-07-12 2002-01-21 Indigo Manufacturing Inc. Power amplifier with multiple power supplies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009065663A (ja) * 2007-09-06 2009-03-26 General Electric Co <Ge> 高電圧、高速、高パルス繰返し数のパルス発生器

Also Published As

Publication number Publication date
EP1286461A3 (en) 2003-10-29
DE60217235D1 (de) 2007-02-15
JP3133286U (ja) 2007-07-05
US6535399B2 (en) 2003-03-18
EP1286461A2 (en) 2003-02-26
CN1407703A (zh) 2003-04-02
HK1054129A1 (zh) 2003-11-14
DE60217235T2 (de) 2007-04-19
CN100370686C (zh) 2008-02-20
US20030035304A1 (en) 2003-02-20
EP1286461B1 (en) 2007-01-03

Similar Documents

Publication Publication Date Title
JP3133286U (ja) トラッキング電源
US7952426B2 (en) Digital audio amplifier and digital audio amplifying method therefor
US5140510A (en) Constant frequency power converter
US6388514B1 (en) Class D high voltage amplifier system with adaptive power supply
JP5183492B2 (ja) オーディオ電力変換システム
US20020125941A1 (en) High efficiency switching amplifiers
EP2289166A1 (en) Modulated supply stage with feedback to switched supply
US20010036087A1 (en) DC to DC converter
JP2004515091A (ja) パラメトリックスピーカー用電力アンプ
US5701243A (en) High-power factor series resonant rectifier circuit
CA2414965A1 (en) Amplifier
US20180269722A1 (en) Peak voltage detection in a differentially driven wireless resonant transmitter
US20080219030A1 (en) Isolated dc/dc and dc/ac converters and controlling methods thereof having relatively better effectiveness
US6600376B1 (en) High efficiency power amplifier
US20080260179A1 (en) Active loudspeaker
US6307357B1 (en) Direct current step-up circuit for use with battery powered equipment
US6331801B1 (en) RF amplifier system having an improved power supply
KR102156315B1 (ko) 절연형 Class D 오디오 앰프
KR102156325B1 (ko) 센터탭 변압기의 유니폴라 동기식 절연형 Class D 오디오 앰프
US6654592B2 (en) Method and arrangement for adjusting output power of a transmitter power supply
HK1054129B (en) Tracking power supply controlling
JPH066969A (ja) 定電圧電源装置
CN106505893B (zh) 谐振控制装置及其谐振控制方法
KR100428241B1 (ko) 디지털 증폭기
KR102156327B1 (ko) 단일권선 변압기와 스너버 캐패시터를 이용한 절연형 Class D 오디오 앰프

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050811

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050811

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20060908

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20060922

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060928

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20060908

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070125