FR1600317A - - Google Patents

Info

Publication number
FR1600317A
FR1600317A FR1600317DA FR1600317A FR 1600317 A FR1600317 A FR 1600317A FR 1600317D A FR1600317D A FR 1600317DA FR 1600317 A FR1600317 A FR 1600317A
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
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 filed Critical
Application granted granted Critical
Publication of FR1600317A publication Critical patent/FR1600317A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
FR1600317D 1968-01-17 1968-12-31 Expired FR1600317A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69850568A 1968-01-17 1968-01-17

Publications (1)

Publication Number Publication Date
FR1600317A true FR1600317A (fr) 1970-07-20

Family

ID=24805551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1600317D Expired FR1600317A (fr) 1968-01-17 1968-12-31

Country Status (8)

Country Link
US (1) US3538448A (fr)
AT (1) AT311422B (fr)
BE (1) BE726807A (fr)
ES (1) ES362530A1 (fr)
FR (1) FR1600317A (fr)
GB (1) GB1249222A (fr)
NL (1) NL6900710A (fr)
SE (1) SE357476B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641449A (en) * 1969-09-29 1972-02-08 Raytheon Co Variable impedance semiconductor network
US3731215A (en) * 1971-08-06 1973-05-01 Gen Electric Amplifier of controllable gain
JPS5710604B2 (fr) * 1972-11-09 1982-02-27
JPS5329082Y2 (fr) * 1973-08-08 1978-07-21
US3962650A (en) * 1973-11-21 1976-06-08 Motorola, Inc. Integrated circuit amplifier having controlled gain and stable quiescent output voltage level
US4132963A (en) * 1977-11-14 1979-01-02 National Semiconductor Corporation Gain controlled signal amplifier
US4275362A (en) * 1979-03-16 1981-06-23 Rca Corporation Gain controlled amplifier using a pin diode
FR2823031B1 (fr) * 2001-03-27 2003-07-04 St Microelectronics Sa Dispositif amplificateur a commutation de gain, en particulier pour un telephone mobile cellulaire

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002090A (en) * 1958-08-27 1961-09-26 Hazeltine Research Inc Automatic-gain-control system
GB888995A (en) * 1959-05-11 1962-02-07 English Electric Co Ltd Improvements in and relating to variable-gain electric signal amplifiers
US3447094A (en) * 1967-03-24 1969-05-27 Philco Ford Corp Ultralinear gain controllable amplifier
US3449686A (en) * 1967-05-29 1969-06-10 Us Navy Variable gain amplifier

Also Published As

Publication number Publication date
DE1902126A1 (de) 1969-09-04
NL6900710A (fr) 1969-07-21
AT311422B (de) 1973-11-12
BE726807A (fr) 1969-06-16
SE357476B (fr) 1973-06-25
ES362530A1 (es) 1970-09-01
US3538448A (en) 1970-11-03
GB1249222A (en) 1971-10-13
DE1902126B2 (de) 1972-08-17

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Legal Events

Date Code Title Description
ST Notification of lapse