JPH03107882U - - Google Patents

Info

Publication number
JPH03107882U
JPH03107882U JP1694290U JP1694290U JPH03107882U JP H03107882 U JPH03107882 U JP H03107882U JP 1694290 U JP1694290 U JP 1694290U JP 1694290 U JP1694290 U JP 1694290U JP H03107882 U JPH03107882 U JP H03107882U
Authority
JP
Japan
Prior art keywords
emitter
resistor
transistor
video signal
follower circuit
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
JP1694290U
Other languages
English (en)
Other versions
JP2501568Y2 (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 JP1694290U priority Critical patent/JP2501568Y2/ja
Publication of JPH03107882U publication Critical patent/JPH03107882U/ja
Application granted granted Critical
Publication of JP2501568Y2 publication Critical patent/JP2501568Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Processing Of Color Television Signals (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す映像信号の高
輝度部を抑圧する電気回路図、第２図は同第１図
の動作波形図である。 １は入力抵抗、４は電流制限抵抗、５は信号抑
圧用ダイオード、７は基準電圧用トランジスタ、
Ｖｉは入力映像信号、Ｖｏは高輝度部を抑圧した
出力信号、Ｖｋは基準電圧、Ｄはダイオード５の
導通開始電圧である。

Claims (1)

    【実用新案登録請求の範囲】
  1. カラーテレビ受信機等の映像増幅回路において
    、映像信号を入力抵抗を通して低インピーダンス
    で出力するエミツタホロワ回路のベースに接続し
    、一方、電源電圧を抵抗分割した分割点をコレク
    タ接地の基準電圧発生用のトランジスタのベース
    に接続し、同トランジスタのエミツタ負荷抵抗出
    力と前記エミツタホロワ回路のベースとの間に、
    抵抗とダイオードを直列に同ダイオードのアノー
    ドを同トランジスタのエミツタ側とする方向に接
    続し、同エミツタホロワ回路のエミツタ負荷より
    映像信号の高輝度部のレベルを抑圧した映像信号
    を出力してなる受像機。
JP1694290U 1990-02-21 1990-02-21 受像機 Expired - Lifetime JP2501568Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1694290U JP2501568Y2 (ja) 1990-02-21 1990-02-21 受像機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1694290U JP2501568Y2 (ja) 1990-02-21 1990-02-21 受像機

Publications (2)

Publication Number Publication Date
JPH03107882U true JPH03107882U (ja) 1991-11-06
JP2501568Y2 JP2501568Y2 (ja) 1996-06-19

Family

ID=31520179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1694290U Expired - Lifetime JP2501568Y2 (ja) 1990-02-21 1990-02-21 受像機

Country Status (1)

Country Link
JP (1) JP2501568Y2 (ja)

Also Published As

Publication number Publication date
JP2501568Y2 (ja) 1996-06-19

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