JPH03105024U - - Google Patents

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Publication number
JPH03105024U
JPH03105024U JP1486790U JP1486790U JPH03105024U JP H03105024 U JPH03105024 U JP H03105024U JP 1486790 U JP1486790 U JP 1486790U JP 1486790 U JP1486790 U JP 1486790U JP H03105024 U JPH03105024 U JP H03105024U
Authority
JP
Japan
Prior art keywords
inverting amplifier
resistor
signal line
line
attenuator
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
JP1486790U
Other languages
English (en)
Other versions
JPH0722904Y2 (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 JP1990014867U priority Critical patent/JPH0722904Y2/ja
Publication of JPH03105024U publication Critical patent/JPH03105024U/ja
Application granted granted Critical
Publication of JPH0722904Y2 publication Critical patent/JPH0722904Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Control Of Amplification And Gain Control (AREA)

Description

【図面の簡単な説明】
第1図は第1の実施例を示す回路図、第2図は
同等価回路図、第3図は第2の実施例を示す回路
図、第4図は同等価回路図、第5図は従来装置の
回路図、第6図は同等価回路図である。 3……素子抵抗体、4……摺動子、5……信号
線、6……減衰出力端、7……反転アンプ、8…
…支線、9……抵抗、10……非反転アンプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 信号線を素子抵抗体の一端に接続して可変
    の減衰出力を得る減衰器であり、信号線と素子抵
    抗体との間に反転アンプまたは非反転アンプを介
    装すると共に、該信号線から、非反転アンプまた
    は反転アンプと抵抗を直列接続した支線を分岐し
    、該支線の逆相信号出力端を素子抵抗体の他端に
    接続したことを特徴とする減衰器。 (2) 信号線を素子抵抗体の一端に反転アンプま
    たは非反転アンプを介して接続し、該接続端を減
    衰出力の出力端とすると共に、該信号線から、非
    反転アンプまたは反転アンプと抵抗を直列接続し
    た支線を分岐し、該支線の逆相信号出力端を素子
    抵抗体に対して摺動する摺動子に接続したことを
    特徴とする減衰器。
JP1990014867U 1990-02-16 1990-02-16 減衰器 Expired - Lifetime JPH0722904Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990014867U JPH0722904Y2 (ja) 1990-02-16 1990-02-16 減衰器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990014867U JPH0722904Y2 (ja) 1990-02-16 1990-02-16 減衰器

Publications (2)

Publication Number Publication Date
JPH03105024U true JPH03105024U (ja) 1991-10-31
JPH0722904Y2 JPH0722904Y2 (ja) 1995-05-24

Family

ID=31518205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990014867U Expired - Lifetime JPH0722904Y2 (ja) 1990-02-16 1990-02-16 減衰器

Country Status (1)

Country Link
JP (1) JPH0722904Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101332853B1 (ko) * 2013-05-09 2013-11-27 엔엔엔코리아(주) 냉각부재를 내장한 자동차용 전동식 워터펌프

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01302908A (ja) * 1988-05-31 1989-12-06 Matsushita Electric Ind Co Ltd 利得制御回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01302908A (ja) * 1988-05-31 1989-12-06 Matsushita Electric Ind Co Ltd 利得制御回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101332853B1 (ko) * 2013-05-09 2013-11-27 엔엔엔코리아(주) 냉각부재를 내장한 자동차용 전동식 워터펌프

Also Published As

Publication number Publication date
JPH0722904Y2 (ja) 1995-05-24

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