JPS547556A - Minute current source circuit - Google Patents

Minute current source circuit

Info

Publication number
JPS547556A
JPS547556A JP7294977A JP7294977A JPS547556A JP S547556 A JPS547556 A JP S547556A JP 7294977 A JP7294977 A JP 7294977A JP 7294977 A JP7294977 A JP 7294977A JP S547556 A JPS547556 A JP S547556A
Authority
JP
Japan
Prior art keywords
minute current
current source
source circuit
reliably
transistor
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
JP7294977A
Other languages
Japanese (ja)
Other versions
JPS5845728B2 (en
Inventor
Hiroyasu Yamaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7294977A priority Critical patent/JPS5845728B2/en
Publication of JPS547556A publication Critical patent/JPS547556A/en
Publication of JPS5845728B2 publication Critical patent/JPS5845728B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Semiconductor Integrated Circuits (AREA)
  • Control Of Electrical Variables (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)

Abstract

PURPOSE: To obtain minute current easily and reliably by reducing minute current source or base-emitter voltage of transistor and controlling in cut-off direction.
COPYRIGHT: (C)1979,JPO&Japio
JP7294977A 1977-06-20 1977-06-20 Micro current source circuit Expired JPS5845728B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7294977A JPS5845728B2 (en) 1977-06-20 1977-06-20 Micro current source circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7294977A JPS5845728B2 (en) 1977-06-20 1977-06-20 Micro current source circuit

Publications (2)

Publication Number Publication Date
JPS547556A true JPS547556A (en) 1979-01-20
JPS5845728B2 JPS5845728B2 (en) 1983-10-12

Family

ID=13504132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7294977A Expired JPS5845728B2 (en) 1977-06-20 1977-06-20 Micro current source circuit

Country Status (1)

Country Link
JP (1) JPS5845728B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58195217A (en) * 1982-05-08 1983-11-14 Matsushita Electric Ind Co Ltd Constant current circuit
US4574233A (en) * 1984-03-30 1986-03-04 Tektronix, Inc. High impedance current source

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58195217A (en) * 1982-05-08 1983-11-14 Matsushita Electric Ind Co Ltd Constant current circuit
US4574233A (en) * 1984-03-30 1986-03-04 Tektronix, Inc. High impedance current source

Also Published As

Publication number Publication date
JPS5845728B2 (en) 1983-10-12

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