GB1022081A - Automatic gain control circuits - Google Patents

Automatic gain control circuits

Info

Publication number
GB1022081A
GB1022081A GB3466/64A GB346664A GB1022081A GB 1022081 A GB1022081 A GB 1022081A GB 3466/64 A GB3466/64 A GB 3466/64A GB 346664 A GB346664 A GB 346664A GB 1022081 A GB1022081 A GB 1022081A
Authority
GB
United Kingdom
Prior art keywords
transistor
emitter
amplifier
collector
impedance
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
GB3466/64A
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of GB1022081A publication Critical patent/GB1022081A/en
Expired legal-status Critical Current

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

Landscapes

  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
GB3466/64A 1963-02-07 1964-01-27 Automatic gain control circuits Expired GB1022081A (en)

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
GB1022081A true GB1022081A (en) 1966-03-09

Family

ID=22973830

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3466/64A Expired GB1022081A (en) 1963-02-07 1964-01-27 Automatic gain control circuits

Country Status (6)

Country Link
US (1) US3264564A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE643555A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR6456551D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1188658B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1022081A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL143089B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3624391A1 (de) * 1985-07-18 1987-02-05 Pioneer Electronic Corp Verstaerkungseinstellschaltung
US4905887A (en) * 1969-12-15 1990-03-06 Heinz Schoer Process for soldering aluminum containing workpieces

Families Citing this family (3)

* 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
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

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4905887A (en) * 1969-12-15 1990-03-06 Heinz Schoer Process for soldering aluminum containing workpieces
DE3624391A1 (de) * 1985-07-18 1987-02-05 Pioneer Electronic Corp Verstaerkungseinstellschaltung

Also Published As

Publication number Publication date
BR6456551D0 (pt) 1973-08-09
BE643555A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1964-05-29
US3264564A (en) 1966-08-02
DE1188658B (de) 1965-03-11
NL6400974A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1964-08-10
NL143089B (nl) 1974-08-15

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