JPS51117857A - Automatic gain control circuit - Google Patents

Automatic gain control circuit

Info

Publication number
JPS51117857A
JPS51117857A JP4286075A JP4286075A JPS51117857A JP S51117857 A JPS51117857 A JP S51117857A JP 4286075 A JP4286075 A JP 4286075A JP 4286075 A JP4286075 A JP 4286075A JP S51117857 A JPS51117857 A JP S51117857A
Authority
JP
Japan
Prior art keywords
control circuit
gain control
automatic gain
terminals
affected
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.)
Granted
Application number
JP4286075A
Other languages
Japanese (ja)
Other versions
JPS5630723B2 (en
Inventor
Masaru Hashimoto
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP4286075A priority Critical patent/JPS51117857A/en
Publication of JPS51117857A publication Critical patent/JPS51117857A/en
Publication of JPS5630723B2 publication Critical patent/JPS5630723B2/ja
Granted 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
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE:An automatic gain control circuit whose AGC characteristics are not affected by an output amplifier circuit and which can reduce the number of terminals when turning into integrated circuits.
JP4286075A 1975-04-10 1975-04-10 Automatic gain control circuit Granted JPS51117857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4286075A JPS51117857A (en) 1975-04-10 1975-04-10 Automatic gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4286075A JPS51117857A (en) 1975-04-10 1975-04-10 Automatic gain control circuit

Publications (2)

Publication Number Publication Date
JPS51117857A true JPS51117857A (en) 1976-10-16
JPS5630723B2 JPS5630723B2 (en) 1981-07-16

Family

ID=12647773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4286075A Granted JPS51117857A (en) 1975-04-10 1975-04-10 Automatic gain control circuit

Country Status (1)

Country Link
JP (1) JPS51117857A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51147235A (en) * 1975-06-13 1976-12-17 Hitachi Ltd Automatic gain control circuit
JPH01137716A (en) * 1987-11-24 1989-05-30 Matsushita Electric Ind Co Ltd automatic gain control amplifier

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973956A (en) * 1972-11-15 1974-07-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973956A (en) * 1972-11-15 1974-07-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51147235A (en) * 1975-06-13 1976-12-17 Hitachi Ltd Automatic gain control circuit
JPH01137716A (en) * 1987-11-24 1989-05-30 Matsushita Electric Ind Co Ltd automatic gain control amplifier

Also Published As

Publication number Publication date
JPS5630723B2 (en) 1981-07-16

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