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 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
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/45—Differential amplifiers
  • H03F3/45071—Differential amplifiers with semiconductor devices only
  • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
  • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
  • H03F3/45085—Long tailed pairs
• • 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
  • H03F3/45071—Differential amplifiers with semiconductor devices only
  • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
  • H03F3/45484—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with bipolar transistors as the active amplifying circuit
  • H03F3/45488—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with bipolar transistors as the active amplifying circuit by using feedback means
  • H03F3/45493—Measuring at the loading circuit of the differential amplifier
  • H03F3/45511—Controlling the loading circuit of the differential amplifier
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F2200/00—Indexing scheme relating to amplifiers
  • H03F2200/153—Feedback used to stabilise the amplifier
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
  • H03F2203/45—Indexing scheme relating to differential amplifiers
  • H03F2203/45418—Indexing scheme relating to differential amplifiers the CMCL comprising a resistor addition circuit
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
  • H03F2203/45—Indexing scheme relating to differential amplifiers
  • H03F2203/45432—Indexing scheme relating to differential amplifiers the CMCL output control signal being a current signal and being buffered before used to control
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
  • H03F2203/45—Indexing scheme relating to differential amplifiers
  • H03F2203/45446—Indexing scheme relating to differential amplifiers there are two or more CMCLs
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
  • H03F2203/45—Indexing scheme relating to differential amplifiers
  • H03F2203/45466—Indexing scheme relating to differential amplifiers the CSC being controlled, e.g. by a signal derived from a non specified place in the dif amp circuit
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
  • H03F2203/45—Indexing scheme relating to differential amplifiers
  • H03F2203/45594—Indexing scheme relating to differential amplifiers the IC comprising one or more resistors, which are not biasing resistor
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
  • H03F2203/45—Indexing scheme relating to differential amplifiers
  • H03F2203/45652—Indexing scheme relating to differential amplifiers the LC comprising one or more further dif amp stages, either identical to the dif amp or not, in cascade
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
  • H03F2203/45—Indexing scheme relating to differential amplifiers
  • H03F2203/45686—Indexing scheme relating to differential amplifiers the LC comprising one or more potentiometers, which are not shunting potentiometers

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Amplifiers (AREA)
• Control Of Amplification And Gain Control (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=23708670

Family Applications (1)

Country Status (8)

Families Citing this family (1)

Family Cites Families (4)

• 1965
  • 1965-02-05 US US430705A patent/US3452292A/en not_active Expired - Lifetime
  • 1965-12-31 BE BE674647D patent/BE674647A/xx not_active Expired
• 1966
  • 1966-01-03 FR FR44595A patent/FR1462709A/fr not_active Expired
  • 1966-01-25 DE DE19661487321 patent/DE1487321A1/de active Pending
  • 1966-01-26 GB GB3477/66A patent/GB1065208A/en not_active Expired
  • 1966-01-28 CH CH122966A patent/CH444917A/de unknown
  • 1966-02-02 NL NL6601303A patent/NL6601303A/xx unknown
  • 1966-02-04 SE SE01466/66A patent/SE335551B/xx unknown

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