JPS63173983U - - Google Patents

Info

Publication number
JPS63173983U
JPS63173983U JP6613087U JP6613087U JPS63173983U JP S63173983 U JPS63173983 U JP S63173983U JP 6613087 U JP6613087 U JP 6613087U JP 6613087 U JP6613087 U JP 6613087U JP S63173983 U JPS63173983 U JP S63173983U
Authority
JP
Japan
Prior art keywords
amplification section
variable gain
composite video
video signal
gain amplification
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
JP6613087U
Other languages
English (en)
Other versions
JPH0543581Y2 (ja
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 filed Critical
Priority to JP1987066130U priority Critical patent/JPH0543581Y2/ja
Publication of JPS63173983U publication Critical patent/JPS63173983U/ja
Application granted granted Critical
Publication of JPH0543581Y2 publication Critical patent/JPH0543581Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)
  • Television Signal Processing For Recording (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る複合ビデオ信号用自動利
得制御回路の一例を示すブロツク構成図、第２図
は従来提案されている複合ビデオ信号用自動利得
制御回路を示すブロツク構成図である。 図中、２１は入力端子、２２は可変利得増幅部
、２３は出力端子、２４は低域通過フイルタ、２
５は同期信号振幅検出部、２６はピークレベル検
出部、２８は利得制御部である。

Claims (1)

  1. 【実用新案登録請求の範囲】 複合ビデオ信号が供給される可変利得増幅部と
    、該可変利得増幅部の出力端に接続された、遮断
    周波数を０．５〜１．５ＭＨｚとする低域通過フ
    イルタと、 上記可変利得増幅部において増幅された複合ビ
    デオ信号が上記低域通過フイルタに供給されてそ
    の出力端に得られる信号中の、少なくとも、水平
    同期信号の振幅に応じた検出出力を発生し、該検
    出出力に基づいて、上記可変利得増幅部の利得を
    制御する利得制御部と、 を備えて構成される複合ビデオ信号用自動利得
    制御回路。
JP1987066130U 1987-04-30 1987-04-30 Expired - Lifetime JPH0543581Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987066130U JPH0543581Y2 (ja) 1987-04-30 1987-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987066130U JPH0543581Y2 (ja) 1987-04-30 1987-04-30

Publications (2)

Publication Number Publication Date
JPS63173983U true JPS63173983U (ja) 1988-11-11
JPH0543581Y2 JPH0543581Y2 (ja) 1993-11-02

Family

ID=30903848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987066130U Expired - Lifetime JPH0543581Y2 (ja) 1987-04-30 1987-04-30

Country Status (1)

Country Link
JP (1) JPH0543581Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6386683A (ja) * 1986-09-30 1988-04-18 Toshiba Corp 映像信号の記録再生装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6386683A (ja) * 1986-09-30 1988-04-18 Toshiba Corp 映像信号の記録再生装置

Also Published As

Publication number Publication date
JPH0543581Y2 (ja) 1993-11-02

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