JPS6140077U - Television receiver AGC device - Google Patents

Television receiver AGC device

Info

Publication number
JPS6140077U
JPS6140077U JP12450484U JP12450484U JPS6140077U JP S6140077 U JPS6140077 U JP S6140077U JP 12450484 U JP12450484 U JP 12450484U JP 12450484 U JP12450484 U JP 12450484U JP S6140077 U JPS6140077 U JP S6140077U
Authority
JP
Japan
Prior art keywords
television receiver
agc device
agc
receiver agc
channel
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
JP12450484U
Other languages
Japanese (ja)
Inventor
陽一 佐藤
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Priority to JP12450484U priority Critical patent/JPS6140077U/en
Publication of JPS6140077U publication Critical patent/JPS6140077U/en
Pending legal-status Critical Current

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  • Television Receiver Circuits (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】 第１図は従来のＡＧＣ装置を説明する回路のブロック図
、第２図はこの考案の一実施例のＡＧＣ装置を説明する
回路のブロック図である。 １・・・フロントエンド、２・・−ＳＡＷフィルタ、３
・・・映像中間周波数増幅器、−４・・・映像検波部、
５・・・映像増幅部、６・・・ＰＬＬシンセサイザ、７
・・・ＲＯＭ，訃・・ＡＧＣ部、８０・・・雑音除去部
、８１・・・ＡＧＣ検波部、８２・・・ＡＧＣ増幅部、
８３・・・ＲＦ・ＡＧＣ部、９・・・ＣＰＵ，ＩＱ・・
・Ｄ／Ａコンバータ。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of a circuit illustrating a conventional AGC device, and FIG. 2 is a block diagram of a circuit illustrating an AGC device according to an embodiment of the present invention. 1...Front end, 2...-SAW filter, 3
...Video intermediate frequency amplifier, -4...Video detection section,
5... Video amplification section, 6... PLL synthesizer, 7
...ROM, ...AGC section, 80...Noise removal section, 81...AGC detection section, 82...AGC amplification section,
83...RF/AGC section, 9...CPU, IQ...
・D/A converter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＰＬＬシンセサイザよりの各チャンネルごとの同調電圧
と、ＡＧＣ回路よりの電圧とをフロントエンドに印加し
て、ゲインコントロールを行うテレビジョン受像器にお
いて、上記ＰＬＬシンセサイザを作動させるＲＯＭに収
納された上記ＡＧＣ回路の各チャンネルごとの最適立上
り時点に対応するデーによって、上記ゲインコントロー
ルを作動させることを特徴とするテレビジョン受像器の
ＡＧＣ・装置。In a television receiver that performs gain control by applying a tuning voltage for each channel from a PLL synthesizer and a voltage from an AGC circuit to the front end, the AGC circuit stored in a ROM operates the PLL synthesizer. An AGC/device for a television receiver, characterized in that the gain control is operated according to a date corresponding to an optimum rise time for each channel.
JP12450484U 1984-08-15 1984-08-15 Television receiver AGC device Pending JPS6140077U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12450484U JPS6140077U (en) 1984-08-15 1984-08-15 Television receiver AGC device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12450484U JPS6140077U (en) 1984-08-15 1984-08-15 Television receiver AGC device

Publications (1)

Publication Number Publication Date
JPS6140077U true JPS6140077U (en) 1986-03-13

Family

ID=30683231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12450484U Pending JPS6140077U (en) 1984-08-15 1984-08-15 Television receiver AGC device

Country Status (1)

Country Link
JP (1) JPS6140077U (en)

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