IT8022665A0 - Circuito integrato di regolazione di tensione a guadagno variabile e circuito di trasmissione di segnali impiegante tale circuito integrato. - Google Patents

Circuito integrato di regolazione di tensione a guadagno variabile e circuito di trasmissione di segnali impiegante tale circuito integrato.

Info

Publication number
IT8022665A0
IT8022665A0 IT8022665A IT2266580A IT8022665A0 IT 8022665 A0 IT8022665 A0 IT 8022665A0 IT 8022665 A IT8022665 A IT 8022665A IT 2266580 A IT2266580 A IT 2266580A IT 8022665 A0 IT8022665 A0 IT 8022665A0
Authority
IT
Italy
Prior art keywords
integrated circuit
circuit
signal transmission
variable gain
voltage regulation
Prior art date
Application number
IT8022665A
Other languages
English (en)
Other versions
IT1209231B (it
Inventor
Sato Tetsuo
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of IT8022665A0 publication Critical patent/IT8022665A0/it
Application granted granted Critical
Publication of IT1209231B publication Critical patent/IT1209231B/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
    • 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
    • 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 in emitter-coupled or cascode amplifiers
    • 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
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • 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
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
IT8022665A 1979-06-11 1980-06-09 Circuito integrato di regolazione di tensione a guadagno variabile e circuito di trasmissione di segnali impiegante tale circuito integrato. IT1209231B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7229079A JPS55165009A (en) 1979-06-11 1979-06-11 Signal transmission circuit

Publications (2)

Publication Number Publication Date
IT8022665A0 true IT8022665A0 (it) 1980-06-09
IT1209231B IT1209231B (it) 1989-07-16

Family

ID=13484987

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8022665A IT1209231B (it) 1979-06-11 1980-06-09 Circuito integrato di regolazione di tensione a guadagno variabile e circuito di trasmissione di segnali impiegante tale circuito integrato.

Country Status (8)

Country Link
US (1) US4366449A (it)
JP (1) JPS55165009A (it)
DE (1) DE3021788A1 (it)
GB (1) GB2053598B (it)
HK (1) HK37385A (it)
IT (1) IT1209231B (it)
MY (1) MY8500833A (it)
SG (1) SG63184G (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024142A1 (de) * 1980-06-27 1982-01-21 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung mit zwei ueber kreuz gekoppelten differenzverstaerkern
JPS5728411A (en) * 1980-07-28 1982-02-16 Sony Corp Voltage controlled type variable gain circuit
DE3204217A1 (de) * 1982-02-08 1983-08-18 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltung zur elektronischen verstaerkungsstellung
DE3525655C1 (de) * 1985-07-18 1986-11-27 ANT Nachrichtentechnik GmbH, 7150 Backnang Verstaerker fuer erdsymmetrische,elektrische Signale,mit Kompressor- und/oder Expanderfunktion
JPS6434008A (en) * 1987-07-30 1989-02-03 Matsushita Electric Industrial Co Ltd Device for negating distortion in voltage controlled amplifier
DE4235584A1 (de) * 1992-10-22 1994-04-28 Nokia Deutschland Gmbh Stellbarer elektronischer Widerstand
ES2127592T3 (es) * 1996-07-25 1999-04-16 Envec Mess Und Regeltechn Gmbh Disposicion de circuito con un amplificador operacional.
US5949288A (en) * 1996-07-25 1999-09-07 Endress + Hauser Gmbh + Co. Circuit arrangement with an operational amplifier
US11524350B1 (en) * 2021-10-04 2022-12-13 General Electric Company Backwall strike braze repair

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197710A (en) * 1963-05-31 1965-07-27 Westinghouse Electric Corp Complementary transistor structure
JPS48101859A (it) * 1972-04-03 1973-12-21
US4155047A (en) * 1978-01-11 1979-05-15 Baskind David Lee Voltage controlled attenuator

Also Published As

Publication number Publication date
SG63184G (en) 1985-09-13
MY8500833A (en) 1985-12-31
GB2053598A (en) 1981-02-04
IT1209231B (it) 1989-07-16
DE3021788A1 (de) 1980-12-18
JPS6217891B2 (it) 1987-04-20
JPS55165009A (en) 1980-12-23
HK37385A (en) 1985-05-24
US4366449A (en) 1982-12-28
GB2053598B (en) 1983-12-14

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