GB2078036B - Current mirror circuit having high output impedance and low loss - Google Patents

Current mirror circuit having high output impedance and low loss

Info

Publication number
GB2078036B
GB2078036B GB8114441A GB8114441A GB2078036B GB 2078036 B GB2078036 B GB 2078036B GB 8114441 A GB8114441 A GB 8114441A GB 8114441 A GB8114441 A GB 8114441A GB 2078036 B GB2078036 B GB 2078036B
Authority
GB
United Kingdom
Prior art keywords
current mirror
high output
mirror circuit
output impedance
low loss
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.)
Expired
Application number
GB8114441A
Other versions
GB2078036A (en
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.)
STMicroelectronics SRL
Original Assignee
ATES Componenti Elettronici SpA
SGS ATES Componenti Elettronici SpA
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 ATES Componenti Elettronici SpA, SGS ATES Componenti Elettronici SpA filed Critical ATES Componenti Elettronici SpA
Publication of GB2078036A publication Critical patent/GB2078036A/en
Application granted granted Critical
Publication of GB2078036B publication Critical patent/GB2078036B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26—Current mirrors
    • G05F3/265—Current mirrors using bipolar transistors only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—Dc amplifiers in which all stages are dc-coupled
    • H03F3/343—Dc amplifiers in which all stages are dc-coupled with semiconductor devices only
    • H03F3/347—Dc amplifiers in which all stages are dc-coupled with semiconductor devices only in integrated circuits
GB8114441A 1980-05-12 1981-05-12 Current mirror circuit having high output impedance and low loss Expired GB2078036B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8021976A IT1209219B (en) 1980-05-12 1980-05-12 HIGH IMPEDANCE OUTPUT CURRENT MIRROR CIRCUIT AT LOW 'VOLTAGE LOSS'.

Publications (2)

Publication Number Publication Date
GB2078036A GB2078036A (en) 1981-12-23
GB2078036B true GB2078036B (en) 1984-07-25

Family

ID=11189645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8114441A Expired GB2078036B (en) 1980-05-12 1981-05-12 Current mirror circuit having high output impedance and low loss

Country Status (6)

Country Link
JP (1) JPS578818A (en)
DE (1) DE3118617A1 (en)
FR (1) FR2482382A1 (en)
GB (1) GB2078036B (en)
IT (1) IT1209219B (en)
NL (1) NL8102337A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435678A (en) 1982-02-26 1984-03-06 Motorola, Inc. Low voltage precision current source
JPH0642252Y2 (en) * 1985-06-12 1994-11-02 日本電気株式会社 Constant voltage circuit
GB2186141A (en) * 1986-01-30 1987-08-05 Plessey Co Plc Beta compensating current source circuit
JPH07113861B2 (en) * 1988-01-29 1995-12-06 株式会社日立製作所 Semiconductor element state detection and protection circuit and inverter circuit using the same
CA1281386C (en) * 1988-12-29 1991-03-12 Douglas Clifton Wadsworth Accurate current conveyor
JP3637848B2 (en) 1999-09-30 2005-04-13 株式会社デンソー Load drive circuit
CN104062997A (en) * 2013-03-20 2014-09-24 芯原微电子(上海)有限公司 High-precision high-speed current drive circuit with large output voltage swing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906332A (en) * 1972-11-18 1975-09-16 Itt Integrated circuit current supply

Also Published As

Publication number Publication date
IT1209219B (en) 1989-07-16
GB2078036A (en) 1981-12-23
IT8021976A0 (en) 1980-05-12
JPS578818A (en) 1982-01-18
NL8102337A (en) 1981-12-01
DE3118617A1 (en) 1982-04-22
FR2482382A1 (en) 1981-11-13
FR2482382B1 (en) 1985-03-08

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010511