NL7604175A - Versterker. - Google Patents

Versterker.

Info

Publication number
NL7604175A
NL7604175A NL7604175A NL7604175A NL7604175A NL 7604175 A NL7604175 A NL 7604175A NL 7604175 A NL7604175 A NL 7604175A NL 7604175 A NL7604175 A NL 7604175A NL 7604175 A NL7604175 A NL 7604175A
Authority
NL
Netherlands
Prior art keywords
amplifier
Prior art date
Application number
NL7604175A
Other languages
English (en)
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
Publication of NL7604175A publication Critical patent/NL7604175A/nl

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
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • 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
NL7604175A 1975-04-17 1976-04-20 Versterker. NL7604175A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50046694A JPS51121239A (en) 1975-04-17 1975-04-17 An amplification circuit

Publications (1)

Publication Number Publication Date
NL7604175A true NL7604175A (nl) 1976-10-19

Family

ID=12754481

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7604175A NL7604175A (nl) 1975-04-17 1976-04-20 Versterker.

Country Status (8)

Country Link
US (1) US4054843A (nl)
JP (1) JPS51121239A (nl)
AU (1) AU499821B2 (nl)
CA (1) CA1077143A (nl)
DE (1) DE2617086A1 (nl)
FR (1) FR2308175A1 (nl)
GB (1) GB1526376A (nl)
NL (1) NL7604175A (nl)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5261462A (en) * 1975-11-14 1977-05-20 Masajirou Yoneda Class *a* power amplifier
JPS6115620Y2 (nl) * 1976-03-02 1986-05-15
JPS6036651B2 (ja) * 1976-12-02 1985-08-21 ソニー株式会社 被パルス幅変調信号増巾装置の保護装置
JPS5453851A (en) * 1977-10-06 1979-04-27 Toyo Dengu Seisakushiyo Kk Power supply for audio amplifier
JPS5496136U (nl) * 1977-12-16 1979-07-07
JPS54142045A (en) * 1978-04-27 1979-11-05 Nippon Columbia Amplifier bias circuit
JPS54173651U (nl) * 1978-05-26 1979-12-07
JPS6024664B2 (ja) * 1978-07-07 1985-06-14 ソニー株式会社 スイツチング形電源回路
US4218660A (en) * 1978-11-06 1980-08-19 Carver R W Audio amplifier and method of operating the same
NL188130C (nl) * 1978-11-06 1992-04-01 Carver R W Audioversterker en voedingstoestel met hoog rendement en gering gewicht.
NL7901118A (nl) * 1979-02-13 1980-08-15 Philips Nv Versterker bevattende een voedingsschakeling en een daarmee verbonden versterker-trap.
US4293904A (en) * 1979-11-21 1981-10-06 The United States Of America As Represented By The Secretary Of The Navy Power frequency converter
US4484150A (en) * 1980-06-27 1984-11-20 Carver R W High efficiency, light weight audio amplifier and power supply
CH664655A5 (de) * 1980-12-12 1988-03-15 Patelhold Patentverwertung Verfahren und verstaerkerschaltung zum verstaerken elektrischer signale, insbesondere nf-modulationssignale eines rundfunksenders.
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
DE3109711A1 (de) * 1981-03-13 1982-09-23 Robert Bosch Gmbh, 7000 Stuttgart Pegelumsetzer
NL8104914A (nl) * 1981-10-30 1983-05-16 Philips Nv Versterker met signaalafhankelijke voedingsspanningsbron.
US4462004A (en) * 1982-03-18 1984-07-24 At&T Bell Laboratories Dynamic class-4 FET amplifier
FR2552600A1 (fr) * 1983-09-27 1985-03-29 Commissariat Energie Atomique Amplificateur de puissance a alimentation asservie
FR2560468A1 (fr) * 1984-02-28 1985-08-30 Lgt Lab Gen Telecomm Dispositif de polarisation d'etage d'amplification a transistors et son utilisation dans un tel etage
JPH0634618B2 (ja) * 1984-10-11 1994-05-02 株式会社日立製作所 モ−タ駆動回路
CA1214228A (en) * 1985-04-23 1986-11-18 Min-Tai Hong Audio frequency amplifier supplied with dynamic power on demand
IT1200794B (it) * 1985-10-16 1989-01-27 Sgs Microelettronica Spa Dispositivo per aumentare la potenza di uscita di una apparecchio radio alimentato a bassa tensione particolarmente del tipo autoradio
US4987385A (en) * 1989-11-22 1991-01-22 Engelmann Rudolph H High efficiency power amplifier
SE467331B (sv) * 1990-10-26 1992-06-29 Andersson & Baevholm Lab Audio-effektfoerstaerkare med pulsbreddsmodulering samt ett audio-effektsteg
GB2275384A (en) * 1993-02-22 1994-08-24 Thomson Consumer Electronics Controlling amplifier power supply in dependence on signal level
US5396194A (en) * 1993-11-19 1995-03-07 Carver Corporation Audio frequency power amplifiers
US5543753A (en) * 1994-06-22 1996-08-06 Carver Corporation Audio frequency power amplifiers with actively damped filter
US5606289A (en) * 1994-06-22 1997-02-25 Carver Corporation Audio frequency power amplifiers with actively damped filter
DE19514450A1 (de) * 1995-04-25 1996-10-31 Thomson Brandt Gmbh Leistungsverstärker für ein niederfrequentes Signal
DE19535868A1 (de) * 1995-09-27 1997-04-03 Thomson Brandt Gmbh Schaltung zur Stromversorgung mehrerer Leistungsverstärker
US6104248A (en) * 1998-10-23 2000-08-15 Carver; Robert W. Audio amplifier with tracking power supply utilizing inductive power converters
KR100323196B1 (ko) * 1999-09-03 2002-02-20 박종섭 모스 전계효과 트랜지스터를 이용한 정밀전파정류기
FR2799317B1 (fr) * 1999-10-01 2001-12-14 St Microelectronics Sa Regulateur lineaire a selection de la tension de sortie
WO2002005418A2 (en) * 2000-07-12 2002-01-17 Indigo Manufacturing Inc. Power amplifier with multiple power supplies
DE10135993A1 (de) * 2001-07-24 2003-05-08 Siemens Ag Verfahren zur Reduzierung der Verlustleistung bei linearen Verstärkern und zugehörige Vorrichtung
US6816007B1 (en) 2001-07-27 2004-11-09 Joseph Y. Sahyoun Amplifier with dynamic rail control drive circuit
US6535399B2 (en) 2001-08-14 2003-03-18 Bose Corporation Tracking power supply controlling
JP3653087B2 (ja) * 2003-07-04 2005-05-25 三菱重工業株式会社 Ｄｃ／ｄｃコンバータ
JP2005072157A (ja) * 2003-08-22 2005-03-17 Mitsubishi Heavy Ind Ltd 電力変換装置
US7106135B2 (en) * 2004-08-26 2006-09-12 Creative Technology Ltd Amplifier system and method
US7382184B2 (en) * 2004-10-22 2008-06-03 Creative Technology Ltd Amplifier system and method
US7570931B2 (en) * 2006-06-02 2009-08-04 Crestcom, Inc. RF transmitter with variably biased RF power amplifier and method therefor
GB2446843B (en) 2006-06-30 2011-09-07 Wolfson Microelectronics Plc Amplifier circuit and methods of operation thereof
GB2478457B (en) 2006-12-22 2011-12-07 Wolfson Microelectronics Plc Charge pump circuit and methods of operation thereof
GB2444988B (en) * 2006-12-22 2011-07-20 Wolfson Microelectronics Plc Audio amplifier circuit and electronic apparatus including the same
GB2447426B (en) * 2006-12-22 2011-07-13 Wolfson Microelectronics Plc Charge pump circuit and methods of operation thereof
GB2444984B (en) * 2006-12-22 2011-07-13 Wolfson Microelectronics Plc Charge pump circuit and methods of operation thereof
US7863841B2 (en) * 2007-06-15 2011-01-04 Paolo Menegoli Class H drive
US8064851B2 (en) * 2008-03-06 2011-11-22 Crestcom, Inc. RF transmitter with bias-signal-induced distortion compensation and method therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1167917B (de) * 1961-06-14 1964-04-16 Sueddeutsche Telefon App Kabel Geregeltes Netzgeraet fuer Gegentakt-B-Verstaerker
US3319175A (en) * 1964-07-27 1967-05-09 Hugh L Dryden Electronic amplifier with power supply switching
US3426290A (en) * 1965-10-20 1969-02-04 Honeywell Inc Amplifier having series regulated voltage supply
US3486128A (en) * 1968-02-07 1969-12-23 Us Army Power amplifier for amplitude modulated transmitter
DE1918618A1 (de) * 1969-04-12 1970-10-15 Licentia Gmbh Transistorwechselstromverstaerker mit einer Gegentaktendstufe
US3753138A (en) * 1971-06-03 1973-08-14 Ampex Amplifier system with continuously variable supply
DE2137249C3 (de) * 1971-07-26 1982-10-28 Deutsche Automobilgesellschaft Mbh, 3000 Hannover Schaltung zur Verringerung der Verlustleistung bei Leistungsendstufen von Gleichspannungsverstärkern mit Begrenzung des Ausgangsstromes
JPS5173862A (ja) * 1974-12-24 1976-06-26 Hitachi Ltd Zofukusochi

Also Published As

Publication number Publication date
FR2308175B1 (nl) 1980-07-25
JPS51121239A (en) 1976-10-23
FR2308175A1 (fr) 1976-11-12
US4054843A (en) 1977-10-18
AU1301276A (en) 1977-10-20
AU499821B2 (en) 1979-05-03
GB1526376A (en) 1978-09-27
CA1077143A (en) 1980-05-06
DE2617086A1 (de) 1976-10-28

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Legal Events

Date Code Title Description
BV The patent application has lapsed