IT8120876A0 - Disposizione circuitale per controllare la corrente di riposo in uno stadio di amplificatore di classe ab. - Google Patents

Disposizione circuitale per controllare la corrente di riposo in uno stadio di amplificatore di classe ab.

Info

Publication number
IT8120876A0
IT8120876A0 IT8120876A IT2087681A IT8120876A0 IT 8120876 A0 IT8120876 A0 IT 8120876A0 IT 8120876 A IT8120876 A IT 8120876A IT 2087681 A IT2087681 A IT 2087681A IT 8120876 A0 IT8120876 A0 IT 8120876A0
Authority
IT
Italy
Prior art keywords
class
circuit arrangement
amplifier stage
control quiet
quiet current
Prior art date
Application number
IT8120876A
Other languages
English (en)
Other versions
IT1137120B (it
Inventor
Rolf Erik Olof Gustafsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IT8120876A0 publication Critical patent/IT8120876A0/it
Application granted granted Critical
Publication of IT1137120B publication Critical patent/IT1137120B/it

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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3217—Modifications of amplifiers to reduce non-linear distortion in single ended 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
    • H03F1/02—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
    • H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
    • 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
    • H03F3/3083—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the power transistors being of the same type
    • H03F3/3086—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the power transistors being of the same type two power transistors being controlled by the input signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
IT20876/81A 1980-04-01 1981-04-01 Disposizione circuitale per controllare la corrente di riposo in uno stadio di amplificatore di classe ab IT1137120B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8002484A SE420142B (sv) 1980-04-01 1980-04-01 Kretsanordning for kontroll av vilostrommen i ett forsterkarsteg av klass ab

Publications (2)

Publication Number Publication Date
IT8120876A0 true IT8120876A0 (it) 1981-04-01
IT1137120B IT1137120B (it) 1986-09-03

Family

ID=20340657

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20876/81A IT1137120B (it) 1980-04-01 1981-04-01 Disposizione circuitale per controllare la corrente di riposo in uno stadio di amplificatore di classe ab

Country Status (5)

Country Link
US (1) US4415865A (it)
FR (1) FR2479602B1 (it)
GB (2) GB2072979A (it)
IT (1) IT1137120B (it)
SE (1) SE420142B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0054938A1 (de) * 1980-12-23 1982-06-30 Zdzislaw Gulczynski Leistungsverstärker mit Ruhestromregler
IT1233417B (it) * 1987-12-03 1992-03-30 Sgs Microelettronica Spa Stadio di potenza perfezionato, con incremento della dinamica di uscita.
FR2702897B1 (fr) * 1993-03-19 1995-04-28 Valeo Electronique Amplificateur à fréquence intermédiaire embarqué, récepteur embarqué de signaux comme une télécommande.
US5321325A (en) * 1993-07-06 1994-06-14 Lannes Kenneth J Single input push-pull circuit
JP2005348239A (ja) 2004-06-04 2005-12-15 Agilent Technol Inc 電力増幅装置
US7839994B1 (en) 2005-03-01 2010-11-23 Marvell International Ltd. Class A-B line driver for gigabit Ethernet
US9407208B2 (en) 2014-11-07 2016-08-02 Lattice Semiconductor Corporation Class AB amplifier with programmable quiescent current

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3399355A (en) * 1965-12-02 1968-08-27 Bell Telephone Labor Inc Transistor amplifier with cllass ab biasing circuit
GB1201516A (en) * 1967-06-14 1970-08-05 Sperry Rand Corp Improvements in or relating to push-pull amplifiers
US3758814A (en) * 1971-01-15 1973-09-11 Rca Corp Wide angle deflection system
DE2649718C3 (de) * 1976-10-29 1979-07-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zum Ansteuern der Ablenkspule einer Bildröhre
US4207475A (en) * 1978-07-31 1980-06-10 Kepco, Inc. Efficient bipolar regulated power supply

Also Published As

Publication number Publication date
GB2073524B (en) 1984-07-11
FR2479602B1 (fr) 1987-11-20
IT1137120B (it) 1986-09-03
GB2072979A (en) 1981-10-07
GB2073524A (en) 1981-10-14
FR2479602A1 (fr) 1981-10-02
SE420142B (sv) 1981-09-14
US4415865A (en) 1983-11-15

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970416