FR2291642A1 - Amplificateur a gains commutables, a reseau de compensation en frequence - Google Patents

Amplificateur a gains commutables, a reseau de compensation en frequence

Info

Publication number
FR2291642A1
FR2291642A1 FR7437417A FR7437417A FR2291642A1 FR 2291642 A1 FR2291642 A1 FR 2291642A1 FR 7437417 A FR7437417 A FR 7437417A FR 7437417 A FR7437417 A FR 7437417A FR 2291642 A1 FR2291642 A1 FR 2291642A1
Authority
FR
France
Prior art keywords
amplifier
inputs
input stage
circuits
gains
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
FR7437417A
Other languages
English (en)
Other versions
FR2291642B1 (fr
Inventor
Jacques Vernezy
Michel Monteagud
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR7437417A priority Critical patent/FR2291642A1/fr
Publication of FR2291642A1 publication Critical patent/FR2291642A1/fr
Application granted granted Critical
Publication of FR2291642B1 publication Critical patent/FR2291642B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated

Landscapes

  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
FR7437417A 1974-11-13 1974-11-13 Amplificateur a gains commutables, a reseau de compensation en frequence Granted FR2291642A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7437417A FR2291642A1 (fr) 1974-11-13 1974-11-13 Amplificateur a gains commutables, a reseau de compensation en frequence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7437417A FR2291642A1 (fr) 1974-11-13 1974-11-13 Amplificateur a gains commutables, a reseau de compensation en frequence

Publications (2)

Publication Number Publication Date
FR2291642A1 true FR2291642A1 (fr) 1976-06-11
FR2291642B1 FR2291642B1 (fr) 1979-06-01

Family

ID=9144886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7437417A Granted FR2291642A1 (fr) 1974-11-13 1974-11-13 Amplificateur a gains commutables, a reseau de compensation en frequence

Country Status (1)

Country Link
FR (1) FR2291642A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396891A (en) * 1979-03-09 1983-08-02 Telefonaktiebolaget L M Ericsson Gain control circuit
EP0514818A1 (fr) * 1991-05-24 1992-11-25 Alcatel N.V. Dispositif amplificateur programmable

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1203374A (en) * 1968-03-26 1970-08-26 Central Dynamics Switching circuit
FR2060714A5 (fr) * 1969-09-29 1971-06-18 Nat Semiconductor Corp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1203374A (en) * 1968-03-26 1970-08-26 Central Dynamics Switching circuit
FR2060714A5 (fr) * 1969-09-29 1971-06-18 Nat Semiconductor Corp

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ARTICLE: "GAIN CHANGE AMPLIFIER" C.P.HOLLSTEIN *
REVUE NL:"POLYTECHNISCH TIJDSCHRIFT ELEKTROTECHNIEK-ELEKTRONICS", VOLUME 24, NO. 5, 7 MARS 1969, PAGES 155 A 163, ARTICLE: "ELECTRONICA EN FYSICA OP DE INTERKAMA 1968" W.TEBIA ) *
REVUE US "I.B.M. TECHNICAL DISCLOSURE BULLETIN", VOLUME 10, NO. 4, SEPTEMBRE 1967, PAGES 521 A 522 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396891A (en) * 1979-03-09 1983-08-02 Telefonaktiebolaget L M Ericsson Gain control circuit
EP0514818A1 (fr) * 1991-05-24 1992-11-25 Alcatel N.V. Dispositif amplificateur programmable
FR2676875A1 (fr) * 1991-05-24 1992-11-27 Alcatel Espace Dispositif amplificateur programmable.
US5216384A (en) * 1991-05-24 1993-06-01 Alcatel Espace Programmable amplifier device

Also Published As

Publication number Publication date
FR2291642B1 (fr) 1979-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse