JPH0224619U - - Google Patents

Info

Publication number
JPH0224619U
JPH0224619U JP10147488U JP10147488U JPH0224619U JP H0224619 U JPH0224619 U JP H0224619U JP 10147488 U JP10147488 U JP 10147488U JP 10147488 U JP10147488 U JP 10147488U JP H0224619 U JPH0224619 U JP H0224619U
Authority
JP
Japan
Prior art keywords
capacitors
operational amplifier
amplifier
input terminal
sensitivity switching
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
JP10147488U
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 JP10147488U priority Critical patent/JPH0224619U/ja
Publication of JPH0224619U publication Critical patent/JPH0224619U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)

Description

【図面の簡単な説明】
第1図は本考案チヤージ増幅回路の一実施例を
示す構成図、第2図は第1図の等価回路、第3図
は従来のチヤージ増幅回路の例を示す構成図、第
4図は第3図の等価回路である。 1は測定信号入力端子、2は演算増幅器、7a
,7b及び7cは夫々コンデンサ、8は出力端子
、9a,9b,9c,10a,10b及び10c
は夫々半導体スイツチより成る接続スイツチ、1
1はバツフア増幅器である。

Claims (1)

    【実用新案登録請求の範囲】
  1. チヤージセンサよりの測定信号が入力される入
    力端子を演算増幅器の反転入力端に接続すると共
    に該演算増幅器の出力端を複数の感度切換用の第
    1の半導体スイツチを介して複数のコンデンサの
    夫々の一端に接続し、之等複数のコンデンサの夫
    々の他端を上記演算増幅器の反転入力端に接続し
    、上記複数のコンデンサの夫々の一端を感度切換
    用の第2の半導体スイツチを介してバツフア増幅
    器の入力側に接続し、該バツフア増幅器の出力側
    より出力端子を導出したことを特徴とするチヤー
    ジ増幅回路。
JP10147488U 1988-07-30 1988-07-30 Pending JPH0224619U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10147488U JPH0224619U (ja) 1988-07-30 1988-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10147488U JPH0224619U (ja) 1988-07-30 1988-07-30

Publications (1)

Publication Number Publication Date
JPH0224619U true JPH0224619U (ja) 1990-02-19

Family

ID=31330504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10147488U Pending JPH0224619U (ja) 1988-07-30 1988-07-30

Country Status (1)

Country Link
JP (1) JPH0224619U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615581A (ja) * 1992-04-03 1994-01-25 Rasmussen Gmbh ねじ等を締める際に指定のトルクを与える装置
JP2011130440A (ja) * 2009-12-18 2011-06-30 Advantest Corp Da変換装置および試験装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248692U (ja) * 1975-10-03 1977-04-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248692U (ja) * 1975-10-03 1977-04-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615581A (ja) * 1992-04-03 1994-01-25 Rasmussen Gmbh ねじ等を締める際に指定のトルクを与える装置
JP2011130440A (ja) * 2009-12-18 2011-06-30 Advantest Corp Da変換装置および試験装置

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