FR2290087A1 - Amplificateur a regulation de niveau de signal - Google Patents

Amplificateur a regulation de niveau de signal

Info

Publication number
FR2290087A1
FR2290087A1 FR7533155A FR7533155A FR2290087A1 FR 2290087 A1 FR2290087 A1 FR 2290087A1 FR 7533155 A FR7533155 A FR 7533155A FR 7533155 A FR7533155 A FR 7533155A FR 2290087 A1 FR2290087 A1 FR 2290087A1
Authority
FR
France
Prior art keywords
signal level
level control
control amplifier
amplifier
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.)
Granted
Application number
FR7533155A
Other languages
English (en)
French (fr)
Other versions
FR2290087B1 (da
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 FR2290087A1 publication Critical patent/FR2290087A1/fr
Application granted granted Critical
Publication of FR2290087B1 publication Critical patent/FR2290087B1/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
    • 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
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
FR7533155A 1974-10-31 1975-10-30 Amplificateur a regulation de niveau de signal Granted FR2290087A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7414217A NL7414217A (nl) 1974-10-31 1974-10-31 Versterker met signaalniveauregeling.

Publications (2)

Publication Number Publication Date
FR2290087A1 true FR2290087A1 (fr) 1976-05-28
FR2290087B1 FR2290087B1 (da) 1980-07-18

Family

ID=19822367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7533155A Granted FR2290087A1 (fr) 1974-10-31 1975-10-30 Amplificateur a regulation de niveau de signal

Country Status (13)

Country Link
JP (1) JPS5754002B2 (da)
AR (1) AR209120A1 (da)
AU (1) AU500832B2 (da)
BE (1) BE835009A (da)
BR (1) BR7507059A (da)
CA (1) CA1035018A (da)
DE (1) DE2546844C2 (da)
DK (1) DK484475A (da)
FR (1) FR2290087A1 (da)
GB (1) GB1485092A (da)
IT (1) IT1047244B (da)
NL (1) NL7414217A (da)
SE (1) SE416095B (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382131A1 (fr) * 1977-02-24 1978-09-22 Licentia Gmbh Dispositif de couplage pour une commande d'amplification
FR2571564A1 (fr) * 1984-10-09 1986-04-11 Labo Cent Telecommunicat Circuit integre delivrant un courant de sortie dont la variation est l'inverse de celle du courant d'entree, applicable notamment dans le domaine de la telephonie

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317082A (en) * 1978-11-06 1982-02-23 National Semiconductor Corporation Current mirror circuit
DE3329663A1 (de) * 1983-08-17 1985-03-07 Telefunken electronic GmbH, 7100 Heilbronn Mehrstufiges signaluebertragungssystem
DE3329665A1 (de) * 1983-08-17 1985-03-07 Telefunken electronic GmbH, 7100 Heilbronn Schaltungsanordnung zur verstaerkung elektrischer signale
WO2004015859A2 (en) * 2002-08-12 2004-02-19 Koninklijke Philips Electronics N.V. Variable gain amplifier with improved control characteristics linearity

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1274672A (en) * 1968-09-27 1972-05-17 Rca Corp Operational amplifier
DE2308835C3 (de) * 1972-03-02 1986-03-27 Sony Corp., Tokio/Tokyo Regelbarer Verstärker für elektrische Signale

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382131A1 (fr) * 1977-02-24 1978-09-22 Licentia Gmbh Dispositif de couplage pour une commande d'amplification
FR2571564A1 (fr) * 1984-10-09 1986-04-11 Labo Cent Telecommunicat Circuit integre delivrant un courant de sortie dont la variation est l'inverse de celle du courant d'entree, applicable notamment dans le domaine de la telephonie

Also Published As

Publication number Publication date
DE2546844C2 (de) 1981-09-24
SE7512014L (sv) 1976-05-03
JPS5754002B2 (da) 1982-11-16
AU500832B2 (en) 1979-05-31
DE2546844A1 (de) 1976-05-06
DK484475A (da) 1976-05-01
NL7414217A (nl) 1976-05-04
AU8594375A (en) 1977-04-28
AR209120A1 (es) 1977-03-31
BR7507059A (pt) 1976-08-03
CA1035018A (en) 1978-07-18
SE416095B (sv) 1980-11-24
FR2290087B1 (da) 1980-07-18
GB1485092A (en) 1977-09-08
JPS5168156A (da) 1976-06-12
IT1047244B (it) 1980-09-10
BE835009A (fr) 1976-04-29

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Legal Events

Date Code Title Description
DR Decision of the appeal court due to an appeal at law against decisions of the director of the inpi, except decision of lapse
ST Notification of lapse