FR2240571B1 - - Google Patents

Info

Publication number
FR2240571B1
FR2240571B1 FR7427648A FR7427648A FR2240571B1 FR 2240571 B1 FR2240571 B1 FR 2240571B1 FR 7427648 A FR7427648 A FR 7427648A FR 7427648 A FR7427648 A FR 7427648A FR 2240571 B1 FR2240571 B1 FR 2240571B1
Authority
FR
France
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
FR7427648A
Other versions
FR2240571A1 (fr
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
Publication of FR2240571A1 publication Critical patent/FR2240571A1/fr
Application granted granted Critical
Publication of FR2240571B1 publication Critical patent/FR2240571B1/fr
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 without distortion of the input signal
    • 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
FR7427648A 1973-08-08 1974-08-08 Expired FR2240571B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2240571A1 FR2240571A1 (fr) 1975-03-07
FR2240571B1 true FR2240571B1 (fr) 1978-12-29

Family

ID=14079440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427648A Expired FR2240571B1 (fr) 1973-08-08 1974-08-08

Country Status (8)

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

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
CA1022631A (fr) 1977-12-13
JPS5040145U (fr) 1975-04-24
GB1474205A (en) 1977-05-18
NL7410580A (nl) 1975-02-11
JPS5329082Y2 (fr) 1978-07-21
US3900801A (en) 1975-08-19
FR2240571A1 (fr) 1975-03-07
IT1019814B (it) 1977-11-30
DE2438219A1 (de) 1975-02-20

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Legal Events

Date Code Title Description
ST Notification of lapse