CA1054686A - Fast automatic gain control circuit with adjustable range - Google Patents

Fast automatic gain control circuit with adjustable range

Info

Publication number
CA1054686A
CA1054686A CA250106A CA250106A CA1054686A CA 1054686 A CA1054686 A CA 1054686A CA 250106 A CA250106 A CA 250106A CA 250106 A CA250106 A CA 250106A CA 1054686 A CA1054686 A CA 1054686A
Authority
CA
Canada
Prior art keywords
input
output
signal
control circuit
automatic gain
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
CA250106A
Other languages
English (en)
French (fr)
Inventor
Eldon M. Sutphin (Jr.)
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
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 filed Critical RCA Corp
Application granted granted Critical
Publication of CA1054686A publication Critical patent/CA1054686A/en
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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
CA250106A 1975-04-30 1976-04-12 Fast automatic gain control circuit with adjustable range Expired CA1054686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/573,033 US3995224A (en) 1975-04-30 1975-04-30 Fast automatic gain control circuit with adjustable range

Publications (1)

Publication Number Publication Date
CA1054686A true CA1054686A (en) 1979-05-15

Family

ID=24290390

Family Applications (1)

Application Number Title Priority Date Filing Date
CA250106A Expired CA1054686A (en) 1975-04-30 1976-04-12 Fast automatic gain control circuit with adjustable range

Country Status (7)

Country Link
US (1) US3995224A (OSRAM)
JP (1) JPS51134054A (OSRAM)
CA (1) CA1054686A (OSRAM)
DE (1) DE2618971C3 (OSRAM)
FR (1) FR2310028A1 (OSRAM)
GB (1) GB1538539A (OSRAM)
IT (1) IT1059286B (OSRAM)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54148418U (OSRAM) * 1978-04-08 1979-10-16
US4433256A (en) * 1982-07-06 1984-02-21 Motorola, Inc. Limiter with dynamic hysteresis
US4477779A (en) * 1982-07-30 1984-10-16 The United States Of America As Represented By The Secretary Of The Navy Dual channel gated peak detector
JPS6020611A (ja) * 1983-07-14 1985-02-01 Fujitsu Ltd ピ−ク値検出形ａｇｃ回路
GB8332897D0 (en) * 1983-12-09 1984-01-18 Plessey Co Plc Fm detection
US4731796A (en) * 1984-10-25 1988-03-15 Stc, Plc Multi-mode radio transceiver
FR2579842B1 (fr) * 1985-03-27 1995-03-03 Carpentier Claude Dispositif de compensation du bruit ambiant dans un amplificateur audio
US5015949A (en) * 1988-12-22 1991-05-14 Westinghouse Electric Corp. Steam turbine blade arrival time processor with automatic gain control
US5204909A (en) * 1991-09-12 1993-04-20 Cowan John A Audio processing system using delayed audio
US5461223A (en) * 1992-10-09 1995-10-24 Eastman Kodak Company Bar code detecting circuitry

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1011634A (en) * 1963-01-09 1965-12-01 Post Office Improvements in or relating to speech transmission systems
CH439399A (fr) * 1966-06-09 1967-07-15 Portescap Le Porte Appareil acoustique pour sourd, à réglage automatique de l'amplification
US3523254A (en) * 1969-02-11 1970-08-04 Ncr Co Automatic gain control circuit employing a field-effect transistor
US3654424A (en) * 1970-03-23 1972-04-04 Robotron Corp Quotient circuit
US3631262A (en) * 1970-03-31 1971-12-28 Gen Electric Linear variable gain circuit utilizing a field effect transistor
DE2335140C3 (de) * 1973-07-06 1979-10-04 Matsushita Electric Industrial Co. Ltd., Kadoma, Osaka (Japan) Schaltungsanordnung zur automatischen Verstärkungsregelung
JPS50122150A (OSRAM) * 1974-03-13 1975-09-25

Also Published As

Publication number Publication date
FR2310028B1 (OSRAM) 1981-12-11
GB1538539A (en) 1979-01-24
JPS51134054A (en) 1976-11-20
DE2618971B2 (de) 1977-12-01
US3995224A (en) 1976-11-30
DE2618971C3 (de) 1984-10-04
DE2618971A1 (de) 1976-11-04
FR2310028A1 (fr) 1976-11-26
USB573033I5 (OSRAM) 1976-03-23
IT1059286B (it) 1982-05-31

Similar Documents

Publication Publication Date Title
CA1054686A (en) Fast automatic gain control circuit with adjustable range
GB1514136A (en) Variable resistance circuit
US4066976A (en) Amplifier with variable gain
US2856468A (en) Negative feedback amplifier in a measuring system
US3781693A (en) Logarithmic amplification circuit
US4278945A (en) Circuit for the generation of a control variable for the control of the transfer constant of electronically actuable amplifying and attenuating members
US3368153A (en) Shaper for producing uniform rectangular pulses from variously shaped signals
US3300631A (en) Analog multiplier
US4211971A (en) Ratio meter for capacitive-type displacement converter
US3662187A (en) Fast analog multiplier
US3723897A (en) Agc circuit to maintain amplification at a fixed level between speech bursts
US4232233A (en) Method for extending transistor logarithmic conformance
US4181896A (en) Device for optional dynamic compression or expansion
US3787776A (en) High speed current amplifier
US3093776A (en) Digital servo loop with automatic tachometer control to provide variable damping
US4085340A (en) Range switching transient eliminator circuit
US3517267A (en) Controlled linear half-wave or full-wave alternating current signal detector using linear amplifier combined with non-linear feedback circuit
US3728636A (en) Inverse logarithmic function generator
US2854630A (en) Peak detection
US3702970A (en) System and method for determining the maximum output voltage swing on operational amplifiers
US4013972A (en) Amplifier with gain control means
US3268828A (en) Amplifier with constant amplitude output
US4151478A (en) Nonlinearly variable gain apparatus
SU647850A1 (ru) Регулируемый усилитель
US3129388A (en) Cathode bias clamp