SG71783G - Variable-gain differential amplifier - Google Patents

Variable-gain differential amplifier

Info

Publication number
SG71783G
SG71783G SG717/83A SG71783A SG71783G SG 71783 G SG71783 G SG 71783G SG 717/83 A SG717/83 A SG 717/83A SG 71783 A SG71783 A SG 71783A SG 71783 G SG71783 G SG 71783G
Authority
SG
Singapore
Prior art keywords
variable
differential amplifier
gain differential
gain
amplifier
Prior art date
Application number
SG717/83A
Other languages
English (en)
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 SG71783G publication Critical patent/SG71783G/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control
    • 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
SG717/83A 1979-12-21 1983-11-18 Variable-gain differential amplifier SG71783G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2951637A DE2951637C2 (de) 1979-12-21 1979-12-21 Einstellbarer Transistor-Differenzverstärker

Publications (1)

Publication Number Publication Date
SG71783G true SG71783G (en) 1984-08-03

Family

ID=6089214

Family Applications (1)

Application Number Title Priority Date Filing Date
SG717/83A SG71783G (en) 1979-12-21 1983-11-18 Variable-gain differential amplifier

Country Status (11)

Country Link
US (1) US4360786A (fr)
JP (1) JPS5698918A (fr)
AU (1) AU537711B2 (fr)
CA (1) CA1149028A (fr)
DE (1) DE2951637C2 (fr)
ES (1) ES497946A0 (fr)
FR (1) FR2472303A1 (fr)
GB (1) GB2066600B (fr)
HK (1) HK47784A (fr)
IT (1) IT1134789B (fr)
SG (1) SG71783G (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3575506D1 (de) * 1984-06-07 1990-02-22 Siemens Ag Differenzverstaerkerschaltung.
DE3522416A1 (de) * 1985-06-22 1987-01-02 Standard Elektrik Lorenz Ag Regelbare breitbandverstaerkerschaltung
US4695806A (en) * 1986-04-15 1987-09-22 Tektronix, Inc. Precision remotely-switched attenuator
US5157350A (en) * 1991-10-31 1992-10-20 Harvey Rubens Analog multipliers
FR2689705B1 (fr) * 1992-04-01 1994-06-10 Sgs Thomson Microelectronics Circuit amplificateur video a commande de gain et d'alignement.
US5717360A (en) * 1996-04-16 1998-02-10 National Semiconductor Corporation High speed variable gain amplifier
US5703524A (en) * 1996-04-16 1997-12-30 Exar Corporation Piece-wise linear approximation of a dB linear programmable gain amplifier
US6566949B1 (en) * 2000-08-31 2003-05-20 International Business Machines Corporation Highly linear high-speed transconductance amplifier for Gm-C filters

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS504425A (fr) * 1972-10-12 1975-01-17
DE2723750A1 (de) * 1977-05-26 1978-12-07 Philips Patentverwaltung Einstellbarer transistor-verstaerker

Also Published As

Publication number Publication date
FR2472303B1 (fr) 1984-02-24
AU6556280A (en) 1981-06-25
IT8026758A0 (it) 1980-12-18
FR2472303A1 (fr) 1981-06-26
JPS5698918A (en) 1981-08-08
HK47784A (en) 1984-06-15
CA1149028A (fr) 1983-06-28
ES8200801A1 (es) 1981-11-01
GB2066600A (en) 1981-07-08
DE2951637C2 (de) 1981-10-01
ES497946A0 (es) 1981-11-01
JPS6361803B2 (fr) 1988-11-30
IT1134789B (it) 1986-08-13
GB2066600B (en) 1983-09-21
DE2951637A1 (de) 1981-07-02
US4360786A (en) 1982-11-23
AU537711B2 (en) 1984-07-05

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