JPH02875U - - Google Patents

Info

Publication number
JPH02875U
JPH02875U JP1988078409U JP7840988U JPH02875U JP H02875 U JPH02875 U JP H02875U JP 1988078409 U JP1988078409 U JP 1988078409U JP 7840988 U JP7840988 U JP 7840988U JP H02875 U JPH02875 U JP H02875U
Authority
JP
Japan
Prior art keywords
variable gain
output
gain amplifier
detecting
subtracter
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.)
Pending
Application number
JP1988078409U
Other languages
English (en)
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 JP1988078409U priority Critical patent/JPH02875U/ja
Publication of JPH02875U publication Critical patent/JPH02875U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Studio Circuits (AREA)
  • Television Receiver Circuits (AREA)

Description

【図面の簡単な説明】
図は本考案一実施例の構成を示すブロツク図で
ある。 2…第1の系統、12…第1の手段、15…第
2の手段、13…第2AGCアンプ、16…減算
器、17…第2検波回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 第1の系統に設けられたAGC回路と、第2の
    系統に設けられた可変利得アンプと、前記第1の
    系統の映像信号出力中の同期信号振幅を検出する
    第1手段と、前記可変利得アンプ出力中の同期信
    号振幅を検出する第2手段と、前記第1、第2手
    段の出力の差を得る減算器と、この減算器出力が
    ゼロとなる様に前記可変利得アンプのゲインを制
    御する手段とよりなるAGC回路。
JP1988078409U 1988-06-14 1988-06-14 Pending JPH02875U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988078409U JPH02875U (ja) 1988-06-14 1988-06-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988078409U JPH02875U (ja) 1988-06-14 1988-06-14

Publications (1)

Publication Number Publication Date
JPH02875U true JPH02875U (ja) 1990-01-05

Family

ID=31303334

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988078409U Pending JPH02875U (ja) 1988-06-14 1988-06-14

Country Status (1)

Country Link
JP (1) JPH02875U (ja)

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