CA1083233A - Audio amplifier output circuit - Google Patents

Audio amplifier output circuit

Info

Publication number
CA1083233A
CA1083233A CA319,913A CA319913A CA1083233A CA 1083233 A CA1083233 A CA 1083233A CA 319913 A CA319913 A CA 319913A CA 1083233 A CA1083233 A CA 1083233A
Authority
CA
Canada
Prior art keywords
coupled
voltage
output
biasing
input signal
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
CA319,913A
Other languages
English (en)
French (fr)
Inventor
Richard E. Lunquist
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of CA1083233A publication Critical patent/CA1083233A/en
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
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • 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
    • 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
    • H03F3/3066—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output
    • H03F3/3067—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output with asymmetrical driving of the end stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
CA319,913A 1978-02-27 1979-01-18 Audio amplifier output circuit Expired CA1083233A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/881,306 US4146845A (en) 1978-02-27 1978-02-27 Audio amplifier output circuit
US881,306 1978-02-27

Publications (1)

Publication Number Publication Date
CA1083233A true CA1083233A (en) 1980-08-05

Family

ID=25378211

Family Applications (1)

Application Number Title Priority Date Filing Date
CA319,913A Expired CA1083233A (en) 1978-02-27 1979-01-18 Audio amplifier output circuit

Country Status (6)

Country Link
US (1) US4146845A (enExample)
JP (2) JPS54118155A (enExample)
CA (1) CA1083233A (enExample)
FR (1) FR2418572A1 (enExample)
GB (1) GB2015286B (enExample)
NL (1) NL179961C (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4287389A (en) * 1978-10-30 1981-09-01 Gamble George W High-fidelity speaker system
US4385364A (en) * 1980-11-03 1983-05-24 Motorola, Inc. Electronic gain control circuit
US4453265A (en) * 1981-06-29 1984-06-05 General Research Of Electronics, Inc. Speaker driving circuit
DE3212188A1 (de) * 1982-04-01 1983-10-06 Siemens Ag Schaltungsanordnung zur verstaerkung von elektrischen signalen
NL8400634A (nl) * 1984-02-29 1985-09-16 Philips Nv Balansversterker.
IT1204809B (it) * 1986-02-19 1989-03-10 Sgs Microelettronica Spa Struttura di amplificatore di potenza per basse frequenze,in particolare di tipo integrato,ad alta stabilita'
JPH04196704A (ja) * 1990-11-27 1992-07-16 Matsushita Electric Ind Co Ltd 増幅回路
US5369355A (en) * 1992-11-12 1994-11-29 B/E Aerospace Compensation circuit for transformer linearization
US5399986A (en) * 1993-12-20 1995-03-21 Yen; Wailit Isolated multi-output power amplifier
CN111182157B (zh) * 2019-12-30 2021-02-09 泰弗思科技(安徽)有限公司 一种隔离式四线通话一分二电路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821656A (en) * 1971-10-12 1974-06-28 Sony Corp Transistor circuit for the driver stage of a class b amplifier
US3745477A (en) * 1972-01-26 1973-07-10 Honeywell Inc Amplifier apparatus for use with an inductive load
JPS5325232B2 (enExample) * 1972-04-10 1978-07-25
DE2304162C3 (de) * 1973-01-29 1976-01-08 Robert 5300 Bonn Sczech Elektronischer Verstärker mit hohem Wirkungsgrad bzw. geringer elektrischer Verlustleistung
JPS49128669A (enExample) * 1973-04-07 1974-12-10

Also Published As

Publication number Publication date
US4146845A (en) 1979-03-27
GB2015286B (en) 1982-07-21
NL179961B (nl) 1986-07-01
GB2015286A (en) 1979-09-05
NL179961C (nl) 1986-12-01
NL7901562A (nl) 1979-08-29
FR2418572A1 (fr) 1979-09-21
JPS54118155A (en) 1979-09-13
FR2418572B1 (enExample) 1985-05-03
JPS621416U (enExample) 1987-01-07

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Legal Events

Date Code Title Description
MKEX Expiry