FR2473232B1 - Amplificateur de puissance efficace a tensions d'alimentation decalees - Google Patents

Amplificateur de puissance efficace a tensions d'alimentation decalees

Info

Publication number
FR2473232B1
FR2473232B1 FR8027388A FR8027388A FR2473232B1 FR 2473232 B1 FR2473232 B1 FR 2473232B1 FR 8027388 A FR8027388 A FR 8027388A FR 8027388 A FR8027388 A FR 8027388A FR 2473232 B1 FR2473232 B1 FR 2473232B1
Authority
FR
France
Prior art keywords
power amplifier
supply voltages
efficient power
offset supply
offset
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.)
Expired
Application number
FR8027388A
Other languages
English (en)
Other versions
FR2473232A1 (fr
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Publication of FR2473232A1 publication Critical patent/FR2473232A1/fr
Application granted granted Critical
Publication of FR2473232B1 publication Critical patent/FR2473232B1/fr
Expired 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
    • H03F3/211—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
    • 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
    • H03F1/0244—Stepped control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR8027388A 1979-12-20 1980-12-17 Amplificateur de puissance efficace a tensions d'alimentation decalees Expired FR2473232B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/106,075 US4319199A (en) 1979-12-20 1979-12-20 Efficient power amplifier with staggered power supply voltages

Publications (2)

Publication Number Publication Date
FR2473232A1 FR2473232A1 (fr) 1981-07-10
FR2473232B1 true FR2473232B1 (fr) 1985-07-19

Family

ID=22309342

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8027388A Expired FR2473232B1 (fr) 1979-12-20 1980-12-17 Amplificateur de puissance efficace a tensions d'alimentation decalees

Country Status (7)

Country Link
US (1) US4319199A (fr)
JP (1) JPS606131B2 (fr)
CA (1) CA1149891A (fr)
DE (1) DE3048162C2 (fr)
FR (1) FR2473232B1 (fr)
GB (1) GB2066013B (fr)
NL (1) NL8006879A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58182719A (ja) * 1982-04-20 1983-10-25 Toshiba Corp アクチエ−タの駆動回路
US4581590A (en) * 1984-11-08 1986-04-08 Spacelabs, Inc. Multiple power supply power amplifier circuit
US4713629A (en) * 1986-11-19 1987-12-15 Segal Brahm R Semi-conductor transformerless audio amplifier
US4961032A (en) * 1988-12-29 1990-10-02 Rca Licensing Corporation Dual power source output amplifier
DE4224111C1 (de) * 1992-07-22 1994-02-24 Vdo Luftfahrtgeraete Werk Gmbh Schaltungsanordnung zur Reduzierung des Energieverbrauches an einem analogen Verstärker
US5570062A (en) * 1994-10-12 1996-10-29 Ericsson Ge Mobile Communications Inc. AM-FM transmitter power amplifier using class-BC
US6236273B1 (en) * 1999-11-18 2001-05-22 Pairgain Technologies, Inc. High efficiency power amplifier
AU2003223389A1 (en) * 2003-03-27 2004-11-23 Ess Technology, Inc. High speed high gain amplifier
US6838942B1 (en) 2003-07-17 2005-01-04 Standard Microsystems Corporation Efficient class-G amplifier with wide output voltage swing
US20080265822A1 (en) * 2007-04-25 2008-10-30 Acutechnology Semiconductor Inc. Class G motor drive
US8898484B2 (en) * 2008-10-27 2014-11-25 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Optimizing delivery of regulated power from a voltage regulator to an electrical component
US8354879B2 (en) 2011-01-11 2013-01-15 Freescale Semiconductor, Inc. Power switch for decreased ramp rate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319175A (en) * 1964-07-27 1967-05-09 Hugh L Dryden Electronic amplifier with power supply switching
US3622899A (en) * 1969-05-08 1971-11-23 Hewlett Packard Co High-voltage power amplifier circuit
DE2304162C3 (de) * 1973-01-29 1976-01-08 Robert 5300 Bonn Sczech Elektronischer Verstärker mit hohem Wirkungsgrad bzw. geringer elektrischer Verlustleistung
JPS5915403B2 (ja) * 1975-10-24 1984-04-09 株式会社日立製作所 オンキヨウヨウシユツリヨクゾウフクキ
DE2705604C3 (de) * 1976-02-12 1979-12-20 Hitachi, Ltd., Tokio NF-Leistungsverstärker
JPS52112261A (en) * 1976-03-18 1977-09-20 Nippon Gakki Seizo Kk Power amplifier circuit
US4158179A (en) * 1976-04-19 1979-06-12 Trio Kabushiki Kaisha Amplifier circuit
US4117418A (en) * 1977-01-14 1978-09-26 Lennart Harry Erik Hoglund Electric amplifier
US4236120A (en) * 1978-05-24 1980-11-25 Harris Corporation High speed, high efficiency amplifier circuit

Also Published As

Publication number Publication date
GB2066013A (en) 1981-07-01
DE3048162C2 (de) 1983-01-20
FR2473232A1 (fr) 1981-07-10
DE3048162A1 (de) 1981-09-10
CA1149891A (fr) 1983-07-12
GB2066013B (en) 1984-07-04
NL8006879A (nl) 1981-07-16
JPS5694809A (en) 1981-07-31
JPS606131B2 (ja) 1985-02-15
US4319199A (en) 1982-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse