JPS561769A - Constant current circuit - Google Patents

Constant current circuit

Info

Publication number
JPS561769A
JPS561769A JP7721279A JP7721279A JPS561769A JP S561769 A JPS561769 A JP S561769A JP 7721279 A JP7721279 A JP 7721279A JP 7721279 A JP7721279 A JP 7721279A JP S561769 A JPS561769 A JP S561769A
Authority
JP
Japan
Prior art keywords
transistor
collector current
vcc
collector
npn transistors
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
JP7721279A
Other languages
English (en)
Other versions
JPH0157362B2 (ja
Inventor
Masanori Murata
Mitsutoshi Ito
Yukio Akazawa
Tsunetaka Sudo
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.)
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
NEC Corp
Nippon Telegraph and Telephone Corp
Nippon 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 NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7721279A priority Critical patent/JPS561769A/ja
Publication of JPS561769A publication Critical patent/JPS561769A/ja
Publication of JPH0157362B2 publication Critical patent/JPH0157362B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
JP7721279A 1979-06-19 1979-06-19 Constant current circuit Granted JPS561769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7721279A JPS561769A (en) 1979-06-19 1979-06-19 Constant current circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7721279A JPS561769A (en) 1979-06-19 1979-06-19 Constant current circuit

Publications (2)

Publication Number Publication Date
JPS561769A true JPS561769A (en) 1981-01-09
JPH0157362B2 JPH0157362B2 (ja) 1989-12-05

Family

ID=13627515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7721279A Granted JPS561769A (en) 1979-06-19 1979-06-19 Constant current circuit

Country Status (1)

Country Link
JP (1) JPS561769A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157729A (ja) * 1983-02-26 1984-09-07 Rohm Co Ltd 定電流回路
US4600876A (en) * 1985-09-23 1986-07-15 Gte Communication Systems Corp. Integrated bootstrap bias circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50146854A (ja) * 1974-04-23 1975-11-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50146854A (ja) * 1974-04-23 1975-11-25

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157729A (ja) * 1983-02-26 1984-09-07 Rohm Co Ltd 定電流回路
JPH0531765B2 (ja) * 1983-02-26 1993-05-13 Rohm Kk
US4600876A (en) * 1985-09-23 1986-07-15 Gte Communication Systems Corp. Integrated bootstrap bias circuit

Also Published As

Publication number Publication date
JPH0157362B2 (ja) 1989-12-05

Similar Documents

Publication Publication Date Title
JPS561769A (en) Constant current circuit
ES8200197A1 (es) Una disposicion de circuito logico integrado de transistores
JPS56137717A (en) Current miller circuit
JPS5544238A (en) Signal switching circuit
JPS56102124A (en) Electronic switch circuit
JPS5672524A (en) Comparator circuit
JPS56103539A (en) Output circuit
JPS5625831A (en) Logic circuit
JPS579134A (en) Logical circuit
JPS5753152A (en) Inverter circuit
JPS54105441A (en) Exclusive-logical sum circuit
JPS5543643A (en) Constant voltage circuit
JPS5534771A (en) Constant voltage circuit
JPS5710815A (en) Biasing circuit
JPS5733832A (en) Output circuit
JPS5487160A (en) Logic circuit
JPS5792909A (en) Power amplifying circuit
JPS5665518A (en) Delay circuit
JPS55166319A (en) Limiter circuit
JPS5769932A (en) Current switching type logical circuit
JPS5683105A (en) Complementary push-pull circuit
JPS5478964A (en) Selection circuit
JPS55100714A (en) Transistor circuit
JPS57162521A (en) Gate circuit
GB914294A (en) Improvements in or relating to electronic switching devices