FR2440648A1 - Amplificateur equilibre - Google Patents

Amplificateur equilibre

Info

Publication number
FR2440648A1
FR2440648A1 FR7924164A FR7924164A FR2440648A1 FR 2440648 A1 FR2440648 A1 FR 2440648A1 FR 7924164 A FR7924164 A FR 7924164A FR 7924164 A FR7924164 A FR 7924164A FR 2440648 A1 FR2440648 A1 FR 2440648A1
Authority
FR
France
Prior art keywords
transistor
base
collector
series
balanced 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.)
Granted
Application number
FR7924164A
Other languages
English (en)
Other versions
FR2440648B1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2440648A1 publication Critical patent/FR2440648A1/fr
Application granted granted Critical
Publication of FR2440648B1 publication Critical patent/FR2440648B1/fr
Granted 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
    • H03F3/30—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
    • H03F3/3088—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 with asymmetric control, i.e. one control branch containing a supplementary phase inverting transistor
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Details Of Television Scanning (AREA)

Abstract

CET AMPLIFICATEUR EQUILIBRE EST MUNI D'UN PREMIER ET D'UN DEUXIEME TRANSISTOR DE MEME TYPE DE CONDUCTION; LES TRAJETS COLLECTEUR-EMETTEUR DE CES TRANSISTORS SONT BRANCHES EN SERIE ENTRE DEUX BORNES D'ALIMENTATION. L'EMETTEUR DU PREMIER TRANSISTOR EST RACCORDE AU COLLECTEUR DU DEUXIEME TRANSISTOR AINSI QU'A UNE BORNE DE SORTIE, ALORS QUE LA BASE DU PREMIER TRANSISTOR EST RACCORDEE A UNE BORNE D'ENTREE. LES PROPRIETES DE CET AMPLIFICATEUR DEVIENNENT INTERESSANTES EN CE QUI CONCERNE SA LINEARITE, SON INFLUENCE AUX FLUCTUATIONS DE TEMPERATURE ET SA LARGEUR DE BANDE SI, A L'AIDE D'UN MONTAGE EN SERIE COMPORTANT UNE JONCTION SEMICONDUCTRICE ET UNE RESISTANCE, LA TENSION BASE-EMETTEUR DU PREMIER TRANSISTOR EST MESUREE PUIS APPLIQUEE EN OPPOSITION DE PHASE A TRAVERS UN CIRCUIT DE COUPLAGE A LA JONCTION BASE-EMETTEUR DU DEUXIEME TRANSISTOR. APPLICATION : RECEPTEUR DE TELEVISION.
FR7924164A 1978-10-30 1979-09-28 Amplificateur equilibre Granted FR2440648A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7810772A NL7810772A (nl) 1978-10-30 1978-10-30 Balansversterker.

Publications (2)

Publication Number Publication Date
FR2440648A1 true FR2440648A1 (fr) 1980-05-30
FR2440648B1 FR2440648B1 (fr) 1984-11-09

Family

ID=19831797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7924164A Granted FR2440648A1 (fr) 1978-10-30 1979-09-28 Amplificateur equilibre

Country Status (10)

Country Link
US (1) US4300103A (fr)
JP (1) JPS5561115A (fr)
AU (1) AU5222579A (fr)
CA (1) CA1138053A (fr)
DE (1) DE2942862A1 (fr)
FR (1) FR2440648A1 (fr)
GB (1) GB2033688B (fr)
HK (1) HK18583A (fr)
IT (1) IT1124688B (fr)
NL (1) NL7810772A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8003053A (nl) * 1980-05-27 1982-01-04 Philips Nv Balanseindtrap.
NL8203667A (nl) * 1982-09-22 1984-04-16 Philips Nv Balansversterker.
DE4036406C2 (de) * 1990-11-15 1994-06-30 Telefunken Microelectron Ausgangsstufe für Verstärker
US6072341A (en) * 1997-05-08 2000-06-06 Sony Corporation Driver circuit with pull down npn transistor and gain reduction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023368A (en) * 1958-07-15 1962-02-27 Southwestern Ind Electronics C Direct coupled transistor amplifier
FR2254906A1 (fr) * 1973-12-13 1975-07-11 Rca Corp
FR2338606A1 (fr) * 1974-01-22 1977-08-12 Gen Electric Amplificateur basse frequence destine a etre fabrique sous forme de circuit integre
FR2377115A1 (fr) * 1977-01-07 1978-08-04 Rca Corp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023368A (en) * 1958-07-15 1962-02-27 Southwestern Ind Electronics C Direct coupled transistor amplifier
FR2254906A1 (fr) * 1973-12-13 1975-07-11 Rca Corp
FR2338606A1 (fr) * 1974-01-22 1977-08-12 Gen Electric Amplificateur basse frequence destine a etre fabrique sous forme de circuit integre
FR2377115A1 (fr) * 1977-01-07 1978-08-04 Rca Corp

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/73 *

Also Published As

Publication number Publication date
FR2440648B1 (fr) 1984-11-09
US4300103A (en) 1981-11-10
JPS6333726B2 (fr) 1988-07-06
IT1124688B (it) 1986-05-14
GB2033688B (en) 1982-12-08
AU5222579A (en) 1980-05-08
CA1138053A (fr) 1982-12-21
IT7926844A0 (it) 1979-10-26
JPS5561115A (en) 1980-05-08
GB2033688A (en) 1980-05-21
HK18583A (en) 1983-06-10
DE2942862A1 (de) 1980-05-14
NL7810772A (nl) 1980-05-02
DE2942862C2 (fr) 1988-07-07

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Legal Events

Date Code Title Description
ST Notification of lapse