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FI810043L - Differentialfoerstaerkare med symmetriskt reglerbar foerstaerkningskoefficient - Google Patents

Differentialfoerstaerkare med symmetriskt reglerbar foerstaerkningskoefficient

Info

Publication number
FI810043L
FI810043L FI810043A FI810043A FI810043L FI 810043 L FI810043 L FI 810043L FI 810043 A FI810043 A FI 810043A FI 810043 A FI810043 A FI 810043A FI 810043 L FI810043 L FI 810043L
Authority
FI
Finland
Prior art keywords
control body
symmetrical control
differential procedure
differential
procedure
Prior art date
Application number
FI810043A
Other languages
English (en)
Inventor
Leopold Albert Harwood
Erwin Johann Wittmann
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of FI810043L publication Critical patent/FI810043L/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential 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
    • 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
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
FI810043A 1980-01-15 1981-01-07 Differentialfoerstaerkare med symmetriskt reglerbar foerstaerkningskoefficient FI810043L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/107,401 US4318051A (en) 1980-01-15 1980-01-15 Symmetrically gain controlled differential amplifier

Publications (1)

Publication Number Publication Date
FI810043L true FI810043L (fi) 1981-08-16

Family

ID=22316472

Family Applications (1)

Application Number Title Priority Date Filing Date
FI810043A FI810043L (fi) 1980-01-15 1981-01-07 Differentialfoerstaerkare med symmetriskt reglerbar foerstaerkningskoefficient

Country Status (14)

Country Link
US (1) US4318051A (fi)
JP (1) JPS56106410A (fi)
KR (1) KR830005759A (fi)
AU (1) AU6612181A (fi)
CA (1) CA1142608A (fi)
DE (1) DE3101118A1 (fi)
ES (1) ES8202213A1 (fi)
FI (1) FI810043L (fi)
FR (1) FR2473812A1 (fi)
GB (1) GB2068187B (fi)
IT (1) IT1134988B (fi)
PL (1) PL131080B1 (fi)
PT (1) PT72328B (fi)
SE (1) SE8100091L (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0626291B2 (ja) * 1985-03-15 1994-04-06 株式会社東芝 利得制御装置
DE3811947A1 (de) * 1988-04-11 1989-10-19 Telefunken Electronic Gmbh Steuerbare verstaerkerschaltung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3473134A (en) * 1966-04-15 1969-10-14 Us Navy Temperature stable d.c. inverter
CA969689A (en) * 1973-05-02 1975-06-17 Microsystems International Limited Audio frequency automatic gain control circuit
DE2344650A1 (de) * 1973-09-05 1975-03-13 Philips Patentverwaltung Schaltungsanordnung zur balancesteuerung fuer einen mehrkanalverstaerker
US3970948A (en) * 1974-12-06 1976-07-20 Rca Corporation Controller gain signal amplifier
JPS6013327B2 (ja) * 1975-05-07 1985-04-06 日本電気株式会社 直流制御型出力レベル調整回路
US4051519A (en) * 1975-12-29 1977-09-27 Rca Corporation Phase control circuit suitable for use in a tint control stage of a color television system
JPS543433A (en) * 1977-06-09 1979-01-11 Victor Co Of Japan Ltd Hue ajustment system

Also Published As

Publication number Publication date
AU6612181A (en) 1981-07-23
PT72328B (en) 1982-01-05
PL229224A1 (fi) 1981-09-04
JPS56106410A (en) 1981-08-24
FR2473812A1 (fr) 1981-07-17
ES498491A0 (es) 1982-01-01
ES8202213A1 (es) 1982-01-01
CA1142608A (en) 1983-03-08
SE8100091L (sv) 1981-07-16
DE3101118A1 (de) 1981-12-10
KR830005759A (ko) 1983-09-09
PT72328A (en) 1981-02-01
GB2068187B (en) 1984-10-03
IT1134988B (it) 1986-08-20
IT8119072A0 (it) 1981-01-09
PL131080B1 (en) 1984-10-31
US4318051A (en) 1982-03-02
GB2068187A (en) 1981-08-05

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: RCA CORPORATION