JPH0397344U - - Google Patents

Info

Publication number
JPH0397344U
JPH0397344U JP440290U JP440290U JPH0397344U JP H0397344 U JPH0397344 U JP H0397344U JP 440290 U JP440290 U JP 440290U JP 440290 U JP440290 U JP 440290U JP H0397344 U JPH0397344 U JP H0397344U
Authority
JP
Japan
Prior art keywords
power supply
operational amplifier
output terminal
input terminal
supplies
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
JP440290U
Other languages
English (en)
Other versions
JP2511865Y2 (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 JP440290U priority Critical patent/JP2511865Y2/ja
Publication of JPH0397344U publication Critical patent/JPH0397344U/ja
Application granted granted Critical
Publication of JP2511865Y2 publication Critical patent/JP2511865Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Continuous-Control Power Sources That Use Transistors (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の第１の実施例である電源回
路を示す回路図、第２図はこの考案の第２の実施
例である電源回路を示す回路図、第３図は従来の
技術を示す回路図である。 １，２……演算増幅器、３，４……トランジス
タ、５……電界効果トランジスタ、６……スイツ
チ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 非安定電源から安定化電源出力端子へ電流を供
    給するトランジスタのベース電流を演算増幅器の
    出力端子から供給する電源回路において、前記演
    算増幅器の一方の入力端子と安定化電源出力端子
    間に基準電源を接続し、前記演算増幅器の他方の
    入力端子をスイツチによりグランドまたは前記基
    準電源の電圧以上の電圧を有する電源に接続する
    ことによりオンオフする電源回路。
JP440290U 1990-01-22 1990-01-22 電源回路 Expired - Lifetime JP2511865Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP440290U JP2511865Y2 (ja) 1990-01-22 1990-01-22 電源回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP440290U JP2511865Y2 (ja) 1990-01-22 1990-01-22 電源回路

Publications (2)

Publication Number Publication Date
JPH0397344U true JPH0397344U (ja) 1991-10-07
JP2511865Y2 JP2511865Y2 (ja) 1996-09-25

Family

ID=31508148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP440290U Expired - Lifetime JP2511865Y2 (ja) 1990-01-22 1990-01-22 電源回路

Country Status (1)

Country Link
JP (1) JP2511865Y2 (ja)

Also Published As

Publication number Publication date
JP2511865Y2 (ja) 1996-09-25

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