IT1047244B - Amplificatore con controllo del livello del segnale - Google Patents

Amplificatore con controllo del livello del segnale

Info

Publication number
IT1047244B
IT1047244B IT69665/75A IT6966575A IT1047244B IT 1047244 B IT1047244 B IT 1047244B IT 69665/75 A IT69665/75 A IT 69665/75A IT 6966575 A IT6966575 A IT 6966575A IT 1047244 B IT1047244 B IT 1047244B
Authority
IT
Italy
Prior art keywords
amplifier
signal level
level control
control
signal
Prior art date
Application number
IT69665/75A
Other languages
English (en)
Italian (it)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1047244B publication Critical patent/IT1047244B/it

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
IT69665/75A 1974-10-31 1975-10-28 Amplificatore con controllo del livello del segnale IT1047244B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1047244B true IT1047244B (it) 1980-09-10

Family

ID=19822367

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69665/75A IT1047244B (it) 1974-10-31 1975-10-28 Amplificatore con controllo del livello del segnale

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)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707870C2 (de) * 1977-02-24 1983-04-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Verstärkungssteuerung
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
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
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

Also Published As

Publication number Publication date
JPS5168156A (da) 1976-06-12
AU8594375A (en) 1977-04-28
DK484475A (da) 1976-05-01
BR7507059A (pt) 1976-08-03
GB1485092A (en) 1977-09-08
AR209120A1 (es) 1977-03-31
FR2290087A1 (fr) 1976-05-28
DE2546844C2 (de) 1981-09-24
SE7512014L (sv) 1976-05-03
NL7414217A (nl) 1976-05-04
DE2546844A1 (de) 1976-05-06
JPS5754002B2 (da) 1982-11-16
FR2290087B1 (da) 1980-07-18
SE416095B (sv) 1980-11-24
AU500832B2 (en) 1979-05-31
BE835009A (fr) 1976-04-29
CA1035018A (en) 1978-07-18

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