CA1022631A - Gain controlled differential amplifier - Google Patents

Gain controlled differential amplifier

Info

Publication number
CA1022631A
CA1022631A CA206,439A CA206439A CA1022631A CA 1022631 A CA1022631 A CA 1022631A CA 206439 A CA206439 A CA 206439A CA 1022631 A CA1022631 A CA 1022631A
Authority
CA
Canada
Prior art keywords
differential amplifier
gain controlled
controlled differential
gain
amplifier
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA206,439A
Other languages
English (en)
French (fr)
Other versions
CA206439S (en
Inventor
Hiroshi Furuno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1022631A publication Critical patent/CA1022631A/en
Expired legal-status Critical Current

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
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • 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
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Processing Of Color Television Signals (AREA)
CA206,439A 1973-08-08 1974-08-07 Gain controlled differential amplifier Expired CA1022631A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973093337U JPS5329082Y2 (es) 1973-08-08 1973-08-08

Publications (1)

Publication Number Publication Date
CA1022631A true CA1022631A (en) 1977-12-13

Family

ID=14079440

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206,439A Expired CA1022631A (en) 1973-08-08 1974-08-07 Gain controlled differential amplifier

Country Status (8)

Country Link
US (1) US3900801A (es)
JP (1) JPS5329082Y2 (es)
CA (1) CA1022631A (es)
DE (1) DE2438219A1 (es)
FR (1) FR2240571B1 (es)
GB (1) GB1474205A (es)
IT (1) IT1019814B (es)
NL (1) NL7410580A (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58685B2 (ja) * 1975-03-05 1983-01-07 株式会社東芝 Ａｇｃ カイロ
DE2908741C2 (de) * 1979-03-06 1983-07-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt HF-Breitbandverstärker
US4528516A (en) * 1983-08-01 1985-07-09 Tektronix, Inc. Differential amplifier with dynamic thermal balancing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538448A (en) * 1968-01-17 1970-11-03 Rca Corp Gain controlled amplifier
US3641450A (en) * 1970-12-15 1972-02-08 Motorola Inc Gain controlled differential amplifier circuit

Also Published As

Publication number Publication date
JPS5329082Y2 (es) 1978-07-21
NL7410580A (nl) 1975-02-11
JPS5040145U (es) 1975-04-24
FR2240571B1 (es) 1978-12-29
IT1019814B (it) 1977-11-30
FR2240571A1 (es) 1975-03-07
DE2438219A1 (de) 1975-02-20
GB1474205A (en) 1977-05-18
US3900801A (en) 1975-08-19

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