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JPS6331613U - - Google Patents

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Publication number
JPS6331613U
JPS6331613U JP12460386U JP12460386U JPS6331613U JP S6331613 U JPS6331613 U JP S6331613U JP 12460386 U JP12460386 U JP 12460386U JP 12460386 U JP12460386 U JP 12460386U JP S6331613 U JPS6331613 U JP S6331613U
Authority
JP
Japan
Prior art keywords
current source
differential amplifier
supplied
negative feedback
input terminal
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
JP12460386U
Other languages
Japanese (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 JP12460386U priority Critical patent/JPS6331613U/ja
Publication of JPS6331613U publication Critical patent/JPS6331613U/ja
Pending legal-status Critical Current

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  • Control Of Electrical Variables (AREA)
  • Amplifiers (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の基準電流源を示す回路図、第
２図は差動増幅回路による基準電流源の回路図で
ある。 図中、Ｑ１，Ｑ２は差動増幅回路を構成するト
ランジスタ、Ｑ５は負帰還用のトランジスタ、Ｑ
６，Ｑ７，Ｑ１１，Ｑ１２，Ｑ２１，Ｑ２２，Ｑ
３１，Ｑ３２はカレントミラー接続されたトラン
ジスタ、Ｅは基準電源を示す。 FIG. 1 is a circuit diagram showing a reference current source of the present invention, and FIG. 2 is a circuit diagram of a reference current source using a differential amplifier circuit. In the figure, Q 1 and Q 2 are transistors that constitute a differential amplifier circuit, Q 5 is a negative feedback transistor, and Q
6 , Q 7 , Q 11 , Q 12 , Q 21 , Q 22 , Q
31 and Q 32 are current mirror connected transistors, and E is a reference power source.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一方の入力端子に基準電圧が供給されている差
動増幅回路と、前記差動増幅回路の他方の入力端
子と出力端子の間にベース電極とエミツタ電極が
接続されている負帰還用のトランジスタと、この
トランジスタのベース電極に共通接続されている
複数個の電流源トランジスタからなり、前記負帰
還用のトランジスタ、及び電流源トランジスタの
各々のエミツタ電極に、供給すべき電流の値を設
定するエミツタ抵抗が接続されていることを特徴
とする基準電流源回路。 a differential amplifier circuit whose one input terminal is supplied with a reference voltage; and a negative feedback transistor whose base electrode and emitter electrode are connected between the other input terminal and output terminal of the differential amplifier circuit. , an emitter resistor that sets the value of the current to be supplied to the emitter electrode of each of the negative feedback transistor and the current source transistor, which is composed of a plurality of current source transistors commonly connected to the base electrodes of the transistors. A reference current source circuit, characterized in that: is connected to the reference current source circuit.
JP12460386U 1986-08-15 1986-08-15 Pending JPS6331613U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12460386U JPS6331613U (en) 1986-08-15 1986-08-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12460386U JPS6331613U (en) 1986-08-15 1986-08-15

Publications (1)

Publication Number Publication Date
JPS6331613U true JPS6331613U (en) 1988-03-01

Family

ID=31016772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12460386U Pending JPS6331613U (en) 1986-08-15 1986-08-15

Country Status (1)

Country Link
JP (1) JPS6331613U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH026315U (en) * 1988-06-21 1990-01-17
JPH0254608A (en) * 1988-08-18 1990-02-23 Nec Ic Microcomput Syst Ltd Constant current circuit
JP2002108464A (en) * 2000-09-27 2002-04-10 Alps Electric Co Ltd Constant current circuit
JP2006018663A (en) * 2004-07-02 2006-01-19 Fujitsu Ltd Current stabilization circuit, current stabilization method, and solid-state imaging device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH026315U (en) * 1988-06-21 1990-01-17
JPH0254608A (en) * 1988-08-18 1990-02-23 Nec Ic Microcomput Syst Ltd Constant current circuit
JP2002108464A (en) * 2000-09-27 2002-04-10 Alps Electric Co Ltd Constant current circuit
JP2006018663A (en) * 2004-07-02 2006-01-19 Fujitsu Ltd Current stabilization circuit, current stabilization method, and solid-state imaging device

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