BE643555A - - Google Patents

Info

Publication number
BE643555A
BE643555A BE643555A BE643555A BE643555A BE 643555 A BE643555 A BE 643555A BE 643555 A BE643555 A BE 643555A BE 643555 A BE643555 A BE 643555A BE 643555 A BE643555 A BE 643555A
Authority
BE
Belgium
Application number
BE643555A
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
Publication of BE643555A publication Critical patent/BE643555A/xx

Links

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
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
    • 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
    • H03G3/3063—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 using at least one transistor as controlling device, the transistor being used as a variable impedance device
BE643555A 1963-02-07 1964-02-07 BE643555A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US256846A US3264564A (en) 1963-02-07 1963-02-07 Variable impedance device for transistor automatic gain control

Publications (1)

Publication Number Publication Date
BE643555A true BE643555A (fr) 1964-05-29

Family

ID=22973830

Family Applications (1)

Application Number Title Priority Date Filing Date
BE643555A BE643555A (fr) 1963-02-07 1964-02-07

Country Status (6)

Country Link
US (1) US3264564A (fr)
BE (1) BE643555A (fr)
BR (1) BR6456551D0 (fr)
DE (1) DE1188658B (fr)
GB (1) GB1022081A (fr)
NL (1) NL143089B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490046A (en) * 1967-04-05 1970-01-13 Electrohome Ltd Automatic gain control and overload protection for signal receiving systems
US4905887A (en) * 1969-12-15 1990-03-06 Heinz Schoer Process for soldering aluminum containing workpieces
US4249137A (en) * 1978-12-11 1981-02-03 Rca Corporation Amplifier system with AGC, as for an AM radio
DE3248491A1 (de) * 1982-12-29 1984-07-05 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von polymerisaten der vinylphosphonsaeure in protischen loesungsmitteln
JPS6220405A (ja) * 1985-07-18 1987-01-29 Pioneer Electronic Corp 増幅度調整回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429513A (en) * 1944-02-11 1947-10-21 Hazeltine Research Inc Gain-control arrangement
US3002909A (en) * 1959-07-10 1961-10-03 Keystone Shipping Company Method of inhibiting corrosion

Also Published As

Publication number Publication date
DE1188658B (de) 1965-03-11
GB1022081A (en) 1966-03-09
NL143089B (nl) 1974-08-15
BR6456551D0 (pt) 1973-08-09
NL6400974A (fr) 1964-08-10
US3264564A (en) 1966-08-02

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