CA1025955A - Gain control circuit - Google Patents

Gain control circuit

Info

Publication number
CA1025955A
CA1025955A CA220,083A CA220083A CA1025955A CA 1025955 A CA1025955 A CA 1025955A CA 220083 A CA220083 A CA 220083A CA 1025955 A CA1025955 A CA 1025955A
Authority
CA
Canada
Prior art keywords
control circuit
gain control
gain
circuit
control
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
CA220,083A
Other languages
English (en)
French (fr)
Other versions
CA220083S (en
Inventor
Masayuki Hongu
Takao Sumi
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
Application granted granted Critical
Publication of CA1025955A publication Critical patent/CA1025955A/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
    • 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
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
CA220,083A 1974-02-14 1975-02-13 Gain control circuit Expired CA1025955A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1802674A JPS5625815B2 (en:Method) 1974-02-14 1974-02-14

Publications (1)

Publication Number Publication Date
CA1025955A true CA1025955A (en) 1978-02-07

Family

ID=11960142

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220,083A Expired CA1025955A (en) 1974-02-14 1975-02-13 Gain control circuit

Country Status (7)

Country Link
US (1) US3940708A (en:Method)
JP (1) JPS5625815B2 (en:Method)
CA (1) CA1025955A (en:Method)
DE (1) DE2506318A1 (en:Method)
FR (1) FR2261652B1 (en:Method)
GB (1) GB1485905A (en:Method)
NL (1) NL7501624A (en:Method)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS606576B2 (ja) * 1979-09-20 1985-02-19 ソニー株式会社 信号変換回路
JPS52153651A (en) * 1976-06-17 1977-12-20 Sony Corp Gain changing circuit
JPS5330850A (en) * 1976-09-03 1978-03-23 Hitachi Ltd Gain control circuit
US4095164A (en) * 1976-10-05 1978-06-13 Rca Corporation Voltage supply regulated in proportion to sum of positive- and negative-temperature-coefficient offset voltages
CA1134463A (en) * 1978-10-13 1982-10-26 Kyoichi Murakami Circuit for converting single-ended input signals to a pair of differential output signals
US4193040A (en) * 1978-11-02 1980-03-11 Western Electric Company, Inc. High-voltage amplifier with low output impedance
NL7908411A (nl) * 1979-11-19 1981-06-16 Philips Nv Electronische differentiaal regelaar.
US4345214A (en) * 1980-04-23 1982-08-17 Rca Corporation Variable emitter degeneration gain-controlled amplifier
US4344043A (en) 1980-04-23 1982-08-10 Rca Corporation Variable load impedance gain-controlled amplifier
US4426625A (en) 1981-08-27 1984-01-17 Rca Corporation Circuit for linearly gain controlling a differential amplifier
DE3277492D1 (en) * 1982-03-04 1987-11-19 Stc Plc Gain regulation circuit
US4460873A (en) * 1982-11-19 1984-07-17 Control Data Corporation Active differential output direct current offset voltage compensation circuit for a differential amplifier
US4580287A (en) * 1984-03-26 1986-04-01 Sprague Electric Company Radio receiver with logarithmic signal strength detector
US4833422A (en) * 1987-09-24 1989-05-23 Burr-Brown Corporation Programmable gain instrumentation amplifier
US5162678A (en) * 1990-09-18 1992-11-10 Silicon Systems, Inc. Temperature compensation control circuit for exponential gain function of an agc amplifier
US5331290A (en) * 1992-09-08 1994-07-19 Samsung Electronics Co., Ltd. Variable gain amplifier
FR2729525B1 (fr) * 1995-01-13 1997-06-06 Sgs Thomson Microelectronics Circuit de reglage du seuil de suppression d'un signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790897A (en) * 1971-04-05 1974-02-05 Rca Corp Differential amplifier and bias circuit
JPS4918025A (en:Method) * 1972-06-08 1974-02-18
JPS5620724B2 (en:Method) * 1972-07-27 1981-05-15

Also Published As

Publication number Publication date
JPS50113153A (en:Method) 1975-09-05
DE2506318C2 (en:Method) 1987-06-11
JPS5625815B2 (en:Method) 1981-06-15
US3940708A (en) 1976-02-24
FR2261652B1 (en:Method) 1979-10-19
NL7501624A (nl) 1975-08-18
DE2506318A1 (de) 1975-08-21
GB1485905A (en) 1977-09-14
FR2261652A1 (en:Method) 1975-09-12

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