DK484475A - AMPLIFIER WITH SIGNAL LEVEL CONTROL - Google Patents

AMPLIFIER WITH SIGNAL LEVEL CONTROL

Info

Publication number
DK484475A
DK484475A DK484475A DK484475A DK484475A DK 484475 A DK484475 A DK 484475A DK 484475 A DK484475 A DK 484475A DK 484475 A DK484475 A DK 484475A DK 484475 A DK484475 A DK 484475A
Authority
DK
Denmark
Prior art keywords
amplifier
signal level
level control
control
signal
Prior art date
Application number
DK484475A
Other languages
Danish (da)
Inventor
P J Plaats
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
Publication of DK484475A publication Critical patent/DK484475A/en

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
DK484475A 1974-10-31 1975-10-28 AMPLIFIER WITH SIGNAL LEVEL CONTROL DK484475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7414217A NL7414217A (en) 1974-10-31 1974-10-31 AMPLIFIER WITH SIGNAL LEVEL CONTROL.

Publications (1)

Publication Number Publication Date
DK484475A true DK484475A (en) 1976-05-01

Family

ID=19822367

Family Applications (1)

Application Number Title Priority Date Filing Date
DK484475A DK484475A (en) 1974-10-31 1975-10-28 AMPLIFIER WITH SIGNAL LEVEL CONTROL

Country Status (13)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707870C2 (en) * 1977-02-24 1983-04-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Circuit arrangement for gain control
US4317082A (en) * 1978-11-06 1982-02-23 National Semiconductor Corporation Current mirror circuit
DE3329663A1 (en) * 1983-08-17 1985-03-07 Telefunken electronic GmbH, 7100 Heilbronn MULTI-STAGE SIGNAL TRANSMISSION SYSTEM
DE3329665A1 (en) * 1983-08-17 1985-03-07 Telefunken electronic GmbH, 7100 Heilbronn CIRCUIT ARRANGEMENT FOR THE AMPLIFICATION OF ELECTRICAL SIGNALS
FR2571564A1 (en) * 1984-10-09 1986-04-11 Labo Cent Telecommunicat Integrated circuit delivering an output current whose variation is the inverse of that of the input current, applicable in particular in the field of telephony
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 (en) * 1972-03-02 1986-03-27 Sony Corp., Tokio/Tokyo Adjustable amplifier for electrical signals

Also Published As

Publication number Publication date
FR2290087A1 (en) 1976-05-28
AR209120A1 (en) 1977-03-31
DE2546844A1 (en) 1976-05-06
SE416095B (en) 1980-11-24
BE835009A (en) 1976-04-29
AU500832B2 (en) 1979-05-31
DE2546844C2 (en) 1981-09-24
NL7414217A (en) 1976-05-04
SE7512014L (en) 1976-05-03
JPS5754002B2 (en) 1982-11-16
IT1047244B (en) 1980-09-10
AU8594375A (en) 1977-04-28
JPS5168156A (en) 1976-06-12
BR7507059A (en) 1976-08-03
CA1035018A (en) 1978-07-18
GB1485092A (en) 1977-09-08
FR2290087B1 (en) 1980-07-18

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