CA1033819A - Power amplifier with automatic biasing and insensitivity to temperature variations - Google Patents

Power amplifier with automatic biasing and insensitivity to temperature variations

Info

Publication number
CA1033819A
CA1033819A CA206,758A CA206758A CA1033819A CA 1033819 A CA1033819 A CA 1033819A CA 206758 A CA206758 A CA 206758A CA 1033819 A CA1033819 A CA 1033819A
Authority
CA
Canada
Prior art keywords
insensitivity
power amplifier
temperature variations
automatic biasing
biasing
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
CA206,758A
Other languages
English (en)
French (fr)
Other versions
CA206758S (en
Inventor
Richard A. Voge
Hobart A. Higuchi
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1033819A publication Critical patent/CA1033819A/en
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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/307—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in push-pull 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull 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
    • H03F3/3069—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
    • H03F3/3077—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 using Darlington transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CA206,758A 1973-08-09 1974-08-09 Power amplifier with automatic biasing and insensitivity to temperature variations Expired CA1033819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US387097A US3866134A (en) 1973-08-09 1973-08-09 Power amplifier with self biasing and insensitivity to temperature variations

Publications (1)

Publication Number Publication Date
CA1033819A true CA1033819A (en) 1978-06-27

Family

ID=23528445

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206,758A Expired CA1033819A (en) 1973-08-09 1974-08-09 Power amplifier with automatic biasing and insensitivity to temperature variations

Country Status (7)

Country Link
US (1) US3866134A (it)
JP (1) JPS5419135B2 (it)
CA (1) CA1033819A (it)
DE (1) DE2438276C3 (it)
FR (1) FR2240572B1 (it)
GB (1) GB1434178A (it)
IT (1) IT1014628B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995228A (en) * 1975-09-26 1976-11-30 Threshold Corporation Active bias circuit for operating push-pull amplifiers in class A mode
DE2706580C3 (de) * 1977-02-16 1983-12-29 Tokyo Shibaura Electric Co., Ltd., Kawasaki, Kanagawa Vorspannschaltung für eine Gegentaktschaltung der Klasse B
US4268798A (en) * 1977-12-19 1981-05-19 Motorola, Inc. High performance summing amplifier
JPS55132111A (en) 1979-03-31 1980-10-14 Toshiba Corp Power amplifying circuit
EP0054938A1 (de) * 1980-12-23 1982-06-30 Zdzislaw Gulczynski Leistungsverstärker mit Ruhestromregler
US4390852A (en) * 1981-04-13 1983-06-28 Tektronix, Inc. Buffer amplifier
US6943629B2 (en) * 2002-08-26 2005-09-13 Mikhail Mordkovich Transient protection circuit of Darlington amplifier
RU2307386C1 (ru) * 2006-03-20 2007-09-27 ГОУ ВПО "Южно-Российский государственный университет экономики и сервиса" (ЮРГУЭС) Управляемый источник опорного напряжения
JP5207155B2 (ja) * 2010-08-27 2013-06-12 オンキヨー株式会社 電流電圧変換回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375455A (en) * 1964-10-20 1968-03-26 California Inst Res Found Symmetrical amplifier without dc shift between input and output
DE1258093B (de) * 1966-10-15 1968-01-04 Basf Ag Verfahren zur Herstellung von modifizierten Polydienen
US3617859A (en) * 1970-03-23 1971-11-02 Nat Semiconductor Corp Electrical regulator apparatus including a zero temperature coefficient voltage reference circuit

Also Published As

Publication number Publication date
IT1014628B (it) 1977-04-30
DE2438276B2 (de) 1981-02-26
JPS5040264A (it) 1975-04-12
US3866134A (en) 1975-02-11
JPS5419135B2 (it) 1979-07-12
GB1434178A (en) 1976-05-05
FR2240572A1 (it) 1975-03-07
DE2438276C3 (de) 1981-10-29
DE2438276A1 (de) 1975-02-20
FR2240572B1 (it) 1976-10-22

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