JPH028226U - - Google Patents

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Publication number
JPH028226U
JPH028226U JP8533488U JP8533488U JPH028226U JP H028226 U JPH028226 U JP H028226U JP 8533488 U JP8533488 U JP 8533488U JP 8533488 U JP8533488 U JP 8533488U JP H028226 U JPH028226 U JP H028226U
Authority
JP
Japan
Prior art keywords
semiconductor switch
input terminal
guard
common potential
potential point
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
JP8533488U
Other languages
English (en)
Other versions
JPH0749868Y2 (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 JP8533488U priority Critical patent/JPH0749868Y2/ja
Publication of JPH028226U publication Critical patent/JPH028226U/ja
Application granted granted Critical
Publication of JPH0749868Y2 publication Critical patent/JPH0749868Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は本考案の１実施例の構成を示す構成図
、第２図は従来の多点記録計などの入力側に使用
される半導体スイツチを含む増幅器の構成を示す
構成図である。 Ｑ……増幅器、ＧＤ……ガード、ＳＷ１，ＳＷ
２……半導体スイツチ、Ｃｏ……浮遊容量、Ｃｓ
……分布容量、Ｃｐ……選定コンデンサ、ＣＯＭ
……共通電位点、Ｖｃ……同相ノイズ、Ｖｉ……
入力電圧。

Claims (1)

    【実用新案登録請求の範囲】
  1. 入力端子に一端が接続された半導体スイツチと
    、この半導体スイツチの他端が入力端に接続され
    周囲が共通電位点から絶縁されて前記入力端に接
    続されたガードを有する増幅器と、前記半導体ス
    イツチの両端に接続され前記ガードと前記共通電
    位点との間の分布容量を考慮した所定の値のコン
    デンサとを具備することを特徴とする半導体スイ
    ツチの保護回路。
JP8533488U 1988-06-28 1988-06-28 半導体スイッチの保護回路 Expired - Lifetime JPH0749868Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8533488U JPH0749868Y2 (ja) 1988-06-28 1988-06-28 半導体スイッチの保護回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8533488U JPH0749868Y2 (ja) 1988-06-28 1988-06-28 半導体スイッチの保護回路

Publications (2)

Publication Number Publication Date
JPH028226U true JPH028226U (ja) 1990-01-19
JPH0749868Y2 JPH0749868Y2 (ja) 1995-11-13

Family

ID=31310006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8533488U Expired - Lifetime JPH0749868Y2 (ja) 1988-06-28 1988-06-28 半導体スイッチの保護回路

Country Status (1)

Country Link
JP (1) JPH0749868Y2 (ja)

Also Published As

Publication number Publication date
JPH0749868Y2 (ja) 1995-11-13

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