FR2582169B3 - Appareil amplificateur - Google Patents

Appareil amplificateur

Info

Publication number
FR2582169B3
FR2582169B3 FR8507579A FR8507579A FR2582169B3 FR 2582169 B3 FR2582169 B3 FR 2582169B3 FR 8507579 A FR8507579 A FR 8507579A FR 8507579 A FR8507579 A FR 8507579A FR 2582169 B3 FR2582169 B3 FR 2582169B3
Authority
FR
France
Prior art keywords
amplifier apparatus
amplifier
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
FR8507579A
Other languages
English (en)
Other versions
FR2582169A1 (fr
Inventor
Min-Tai Hong
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.)
FULET ELECTRONIC IND Co
Original Assignee
FULET ELECTRONIC IND Co
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 FULET ELECTRONIC IND Co filed Critical FULET ELECTRONIC IND Co
Publication of FR2582169A1 publication Critical patent/FR2582169A1/fr
Application granted granted Critical
Publication of FR2582169B3 publication Critical patent/FR2582169B3/fr
Expired legal-status Critical Current

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
    • H03F1/0244—Stepped control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3069—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output
    • H03F3/3076—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output with symmetrical driving of the end stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR8507579A 1985-04-23 1985-05-17 Appareil amplificateur Expired FR2582169B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/726,041 US4598255A (en) 1985-04-23 1985-04-23 Power amplifier apparatus

Publications (2)

Publication Number Publication Date
FR2582169A1 FR2582169A1 (fr) 1986-11-21
FR2582169B3 true FR2582169B3 (fr) 1987-08-28

Family

ID=24916975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8507579A Expired FR2582169B3 (fr) 1985-04-23 1985-05-17 Appareil amplificateur

Country Status (6)

Country Link
US (1) US4598255A (fr)
CA (1) CA1214228A (fr)
DE (1) DE3517917A1 (fr)
FR (1) FR2582169B3 (fr)
GB (1) GB2174262A (fr)
NL (1) NL8501325A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654712A (en) * 1985-04-16 1987-03-31 Jack Gershfeld High frequency wide bandwith video amplifier with high tracking linearity
NL193075C (nl) * 1988-08-22 1998-09-08 Crown Int Variabele gelijkspanningsbron met verhoogd rendement voor gebruik in versterkers met een hoog vermogen.
US4961032A (en) * 1988-12-29 1990-10-02 Rca Licensing Corporation Dual power source output amplifier
US5191606A (en) * 1990-05-08 1993-03-02 Industrial Technology Research Institute Electrical telephone speech network
US5834977A (en) * 1995-10-31 1998-11-10 Sanyo Electric Co., Ltd. Amplifying circuit with power supply switching circuit
DE19808606A1 (de) 1998-02-28 1999-09-02 Bosch Gmbh Robert Elektrisches Gerät
US6504426B2 (en) 2001-03-28 2003-01-07 Guy Picha Methods and systems for power amplifying of signals
DE10135993A1 (de) * 2001-07-24 2003-05-08 Siemens Ag Verfahren zur Reduzierung der Verlustleistung bei linearen Verstärkern und zugehörige Vorrichtung
US7847578B2 (en) * 2008-03-30 2010-12-07 Advantest Corporation Power supply circuit and test apparatus
US9209767B1 (en) * 2014-05-28 2015-12-08 Motorola Solutions, Inc. Input current limited power supply and audio power amplifier for high power reproduction of nondeterministic signals

Family Cites Families (28)

* 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
US3426290A (en) * 1965-10-20 1969-02-04 Honeywell Inc Amplifier having series regulated voltage supply
US3396326A (en) * 1965-10-22 1968-08-06 Contemporary Electronic Produc Voltage regulating circuit supplying current pulses of uniform amplitude and length
US3483425A (en) * 1967-08-31 1969-12-09 Burroughs Corp Controlled-bias current amplifier
US3585517A (en) * 1968-05-01 1971-06-15 Westinghouse Electric Corp High-efficiency power amplifier
US3564393A (en) * 1969-03-12 1971-02-16 North American Rockwell Circuit using capacitor and switch on primary winding of transformer for regulating voltage on secondary winding of transformer
US3622899A (en) * 1969-05-08 1971-11-23 Hewlett Packard Co High-voltage power amplifier circuit
US3581187A (en) * 1969-06-23 1971-05-25 Metrodynamics Corp Regulated dc power supply
FR2098772A5 (fr) * 1970-07-27 1972-03-10 Comp Generale Electricite
US3740640A (en) * 1970-10-08 1973-06-19 Westinghouse Electric Corp Radar power supply
US3722606A (en) * 1971-08-16 1973-03-27 Continental Oil Co Detecting abnormal formation pressure during drilling of a well
US3745443A (en) * 1971-12-07 1973-07-10 Raytheon Co Power supplies with output voltage taps from input filter choke
JPS5045549A (fr) * 1973-08-25 1975-04-23
US3863140A (en) * 1973-11-21 1975-01-28 Rca Corp Regulated power supply including forward feed
US3931567A (en) * 1974-02-08 1976-01-06 Warwick Electronics Inc. DC power supply with load current regulation
US3873903A (en) * 1974-02-15 1975-03-25 Ncr Co Volt-second balancing means for a high frequency switching power supply
JPS51121239A (en) * 1975-04-17 1976-10-23 Sony Corp An amplification circuit
DE2705604C3 (de) * 1976-02-12 1979-12-20 Hitachi, Ltd., Tokio NF-Leistungsverstärker
FR2376556A1 (fr) * 1976-12-31 1978-07-28 Thomson Csf Dispositif amplificateur de puissance auto-adaptatif en fonction des servitudes d'exploitation
US4218660A (en) * 1978-11-06 1980-08-19 Carver R W Audio amplifier and method of operating the same
JPS5935207B2 (ja) * 1979-07-27 1984-08-27 ヤマハ株式会社 電力増幅器
JPS5935522B2 (ja) * 1979-10-16 1984-08-29 ヤマハ株式会社 電力増幅器
JPS56134815A (en) * 1980-03-24 1981-10-21 Nippon Gakki Seizo Kk Filter circuit
JPS56164607A (en) * 1980-05-21 1981-12-17 Nippon Gakki Seizo Kk Power amplifier
JPS57204609A (en) * 1981-06-10 1982-12-15 Nippon Gakki Seizo Kk Amplifier
NL8103572A (nl) * 1981-07-29 1983-02-16 Philips Nv Drijverschakeling.
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

Also Published As

Publication number Publication date
CA1214228A (fr) 1986-11-18
US4598255A (en) 1986-07-01
GB2174262A (en) 1986-10-29
NL8501325A (nl) 1986-12-01
DE3517917A1 (de) 1986-11-20
FR2582169A1 (fr) 1986-11-21
GB8510463D0 (en) 1985-05-30

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Legal Events

Date Code Title Description
ST Notification of lapse