JPS5742214A - Power amplifier - Google Patents

Power amplifier

Info

Publication number
JPS5742214A
JPS5742214A JP55118200A JP11820080A JPS5742214A JP S5742214 A JPS5742214 A JP S5742214A JP 55118200 A JP55118200 A JP 55118200A JP 11820080 A JP11820080 A JP 11820080A JP S5742214 A JPS5742214 A JP S5742214A
Authority
JP
Japan
Prior art keywords
signal
circuits
pwm
output
base current
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.)
Granted
Application number
JP55118200A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6337964B2 (https=
Inventor
Akio Koizumi
Hiroshi Yamagishi
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP55118200A priority Critical patent/JPS5742214A/ja
Priority to DE8181902371T priority patent/DE3171219D1/de
Priority to US06/373,507 priority patent/US4476436A/en
Priority to AU75330/81A priority patent/AU550792B2/en
Priority to PCT/JP1981/000188 priority patent/WO1982000739A1/ja
Priority to EP81902371A priority patent/EP0058724B1/en
Publication of JPS5742214A publication Critical patent/JPS5742214A/ja
Publication of JPS6337964B2 publication Critical patent/JPS6337964B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP55118200A 1980-08-27 1980-08-27 Power amplifier Granted JPS5742214A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP55118200A JPS5742214A (en) 1980-08-27 1980-08-27 Power amplifier
DE8181902371T DE3171219D1 (en) 1980-08-27 1981-08-25 Power amplifier
US06/373,507 US4476436A (en) 1980-08-27 1981-08-25 Power amplifier
AU75330/81A AU550792B2 (en) 1980-08-27 1981-08-25 Power amplifier
PCT/JP1981/000188 WO1982000739A1 (en) 1980-08-27 1981-08-25 Power amplifier
EP81902371A EP0058724B1 (en) 1980-08-27 1981-08-25 Power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55118200A JPS5742214A (en) 1980-08-27 1980-08-27 Power amplifier

Publications (2)

Publication Number Publication Date
JPS5742214A true JPS5742214A (en) 1982-03-09
JPS6337964B2 JPS6337964B2 (https=) 1988-07-27

Family

ID=14730652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55118200A Granted JPS5742214A (en) 1980-08-27 1980-08-27 Power amplifier

Country Status (5)

Country Link
US (1) US4476436A (https=)
EP (1) EP0058724B1 (https=)
JP (1) JPS5742214A (https=)
AU (1) AU550792B2 (https=)
WO (1) WO1982000739A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010263474A (ja) * 2009-05-08 2010-11-18 Onkyo Corp スイッチングアンプ及びそのスイッチングアンプのレベルシフト回路

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE33333E (en) * 1984-08-21 1990-09-11 Peavey Electronics Corporation Digital audio amplifier having a high power output level and low distortion
US4600891A (en) * 1984-08-21 1986-07-15 Peavey Electronics Corporation Digital audio amplifier having a high power output level and low distortion
IT1215247B (it) * 1985-03-13 1990-01-31 Ates Componenti Elettron Dispositivo e procedimento per azzerare un segnale di uscita in un amplificatore a commutazione.
WO1988000772A1 (en) * 1986-07-18 1988-01-28 Robert Ponto Audio amplifier system
US5150415A (en) * 1989-05-01 1992-09-22 Motorola, Inc. Volume control circuit using pulse modulation
US5880411A (en) * 1992-06-08 1999-03-09 Synaptics, Incorporated Object position detector with edge motion feature and gesture recognition
ATE165962T1 (de) * 1992-12-07 1998-05-15 Andromed Inc Elektronisches stethoskop
US6026170A (en) * 1995-11-27 2000-02-15 Minnesota Mining And Manufacturing Company Electronic stethoscope with idealized bell and idealized diaphragm modes
GB2314474B (en) * 1996-06-21 2001-03-07 Univ Bristol Low power audio device
JP4731828B2 (ja) * 2004-04-14 2011-07-27 ルネサスエレクトロニクス株式会社 Ｄ級アンプ
US12473409B2 (en) 2020-02-06 2025-11-18 Toray Industries, Inc. Carbon fiber-reinforced composite material, stacked carbon fiber composite material, stacked composite material, case for wireless power supplying device, and case for wireless power receiving device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535502A (en) * 1978-09-05 1980-03-12 Oki Electric Ind Co Ltd Base driving circuit of pulse width modulation switching amplifier transistor
JPS55100323U (https=) * 1978-12-29 1980-07-12

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506920A (en) * 1966-02-10 1970-04-14 Gates Radio Co High efficiency transformer utilizing pulse duration modulation to eliminate audio-rf transformer coupling
GB1205954A (en) * 1967-03-31 1970-09-23 Mullard Ltd Improvements in and relating to amplifying arrangements
JPS5284945A (en) * 1975-12-25 1977-07-14 Mitsubishi Electric Corp Switching amplifier
US4293817A (en) * 1979-09-12 1981-10-06 Rockwell International Corporation Signal amplitude range compression employing pulse modulation
DE3017414A1 (de) * 1980-05-07 1981-11-12 Deutsche Itt Industries Gmbh, 7800 Freiburg Audio-leistungsverstaerker mit d-gegentakt-endstufe
JPH05284945A (ja) * 1992-04-08 1993-11-02 Mitsuo Takeda 容器を回転させ内容物を攪はんする攪はん方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535502A (en) * 1978-09-05 1980-03-12 Oki Electric Ind Co Ltd Base driving circuit of pulse width modulation switching amplifier transistor
JPS55100323U (https=) * 1978-12-29 1980-07-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010263474A (ja) * 2009-05-08 2010-11-18 Onkyo Corp スイッチングアンプ及びそのスイッチングアンプのレベルシフト回路

Also Published As

Publication number Publication date
EP0058724B1 (en) 1985-07-03
EP0058724A4 (en) 1983-05-16
WO1982000739A1 (en) 1982-03-04
JPS6337964B2 (https=) 1988-07-27
AU550792B2 (en) 1986-04-10
US4476436A (en) 1984-10-09
EP0058724A1 (en) 1982-09-01
AU7533081A (en) 1982-03-17

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