JPS5378113A - Agc circuit for video circuit - Google Patents

Agc circuit for video circuit

Info

Publication number
JPS5378113A
JPS5378113A JP15474976A JP15474976A JPS5378113A JP S5378113 A JPS5378113 A JP S5378113A JP 15474976 A JP15474976 A JP 15474976A JP 15474976 A JP15474976 A JP 15474976A JP S5378113 A JPS5378113 A JP S5378113A
Authority
JP
Japan
Prior art keywords
circuit
agc
video
level
synchronous
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
JP15474976A
Other languages
Japanese (ja)
Other versions
JPS5946469B2 (en
Inventor
Takafumi Okada
Kazuo Yamagiwa
Yukio Ushio
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
Priority to JP15474976A priority Critical patent/JPS5946469B2/en
Publication of JPS5378113A publication Critical patent/JPS5378113A/en
Publication of JPS5946469B2 publication Critical patent/JPS5946469B2/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

Landscapes

  • Television Receiver Circuits (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE:To operate the both AGC's of synchronous and peak with high precision, by controlling the variable gain amplifier through the comparison of the clamped video signal with the reference clamp level and the reference white level.
JP15474976A 1976-12-22 1976-12-22 AGC circuit of video circuit Expired JPS5946469B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15474976A JPS5946469B2 (en) 1976-12-22 1976-12-22 AGC circuit of video circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15474976A JPS5946469B2 (en) 1976-12-22 1976-12-22 AGC circuit of video circuit

Publications (2)

Publication Number Publication Date
JPS5378113A true JPS5378113A (en) 1978-07-11
JPS5946469B2 JPS5946469B2 (en) 1984-11-13

Family

ID=15591062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15474976A Expired JPS5946469B2 (en) 1976-12-22 1976-12-22 AGC circuit of video circuit

Country Status (1)

Country Link
JP (1) JPS5946469B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5656217U (en) * 1979-10-08 1981-05-15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5656217U (en) * 1979-10-08 1981-05-15
JPS628574Y2 (en) * 1979-10-08 1987-02-27

Also Published As

Publication number Publication date
JPS5946469B2 (en) 1984-11-13

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