JPS6157624U - - Google Patents

Info

Publication number
JPS6157624U
JPS6157624U JP14134084U JP14134084U JPS6157624U JP S6157624 U JPS6157624 U JP S6157624U JP 14134084 U JP14134084 U JP 14134084U JP 14134084 U JP14134084 U JP 14134084U JP S6157624 U JPS6157624 U JP S6157624U
Authority
JP
Japan
Prior art keywords
resistor
collector
value
variable
variable resistor
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
JP14134084U
Other languages
English (en)
Other versions
JPH0427212Y2 (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 JP1984141340U priority Critical patent/JPH0427212Y2/ja
Publication of JPS6157624U publication Critical patent/JPS6157624U/ja
Application granted granted Critical
Publication of JPH0427212Y2 publication Critical patent/JPH0427212Y2/ja
Expired legal-status Critical Current

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Description

【図面の簡単な説明】
第1図はこの考案による映像信号用可変減衰器
の1実施例の回路図、第2図は同実施例の等価回
路図、第3図は同実施例の出力インピーダンスと
可変抵抗器の位置の腕との関係を示す図、第4図
は同実施例の反射減衰量と可変抵抗器の腕の位置
との関係を示す図、第5図は同実施例の出力分圧
比と可変抵抗器の腕の位置との関係を示す図、第
6図は従来の映像信号用可変減衰器の回路図であ
る。 16…映像増幅器、34…可変抵抗器、36…
固定抵抗器、42…信号線路の固有インピーダン
ス。

Claims (1)

    【実用新案登録請求の範囲】
  1. 映像信号を増幅するように構成したトランジス
    タのコレクタと電源線との間にコレクタ抵抗器を
    接続し、上記コレクタと基準電位点との間に、直
    流阻止コンデンサと可変抵抗器と固定抵抗器とを
    直列に接続し、上記可変抵抗器の腕と上記基準電
    位点との間に信号線路を接続し、上記コレクタ抵
    抗器の値と上記可変抵抗器の両端間の値と上記固
    定抵抗器の値との比をほぼ同じ値に選択したこと
    を特徴とする映像信号用可変減衰器。
JP1984141340U 1984-09-17 1984-09-17 Expired JPH0427212Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984141340U JPH0427212Y2 (ja) 1984-09-17 1984-09-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984141340U JPH0427212Y2 (ja) 1984-09-17 1984-09-17

Publications (2)

Publication Number Publication Date
JPS6157624U true JPS6157624U (ja) 1986-04-18
JPH0427212Y2 JPH0427212Y2 (ja) 1992-06-30

Family

ID=30699684

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984141340U Expired JPH0427212Y2 (ja) 1984-09-17 1984-09-17

Country Status (1)

Country Link
JP (1) JPH0427212Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49119558U (ja) * 1973-02-21 1974-10-14
JPS56176519U (ja) * 1980-05-29 1981-12-26
JPS5927614U (ja) * 1982-08-17 1984-02-21 パイオニア株式会社 音量調整回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2510994B2 (de) * 1975-03-13 1977-04-14 Basf Ag, 6700 Ludwigshafen Vanadium- und titanhaltiger traegerkatalysator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49119558U (ja) * 1973-02-21 1974-10-14
JPS56176519U (ja) * 1980-05-29 1981-12-26
JPS5927614U (ja) * 1982-08-17 1984-02-21 パイオニア株式会社 音量調整回路

Also Published As

Publication number Publication date
JPH0427212Y2 (ja) 1992-06-30

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