GB2428918B - Direct current converter circuit - Google Patents

Direct current converter circuit

Info

Publication number
GB2428918B
GB2428918B GB0516231A GB0516231A GB2428918B GB 2428918 B GB2428918 B GB 2428918B GB 0516231 A GB0516231 A GB 0516231A GB 0516231 A GB0516231 A GB 0516231A GB 2428918 B GB2428918 B GB 2428918B
Authority
GB
United Kingdom
Prior art keywords
direct current
converter circuit
current converter
circuit
direct
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 - Fee Related
Application number
GB0516231A
Other versions
GB0516231D0 (en
GB2428918A (en
Inventor
John Lidgey
Khaled Hayatleh
Bryan Hart
Matthew Green
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.)
Oxford Brookes University
Original Assignee
Oxford Brookes University
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 Oxford Brookes University filed Critical Oxford Brookes University
Priority to GB0516231A priority Critical patent/GB2428918B/en
Publication of GB0516231D0 publication Critical patent/GB0516231D0/en
Publication of GB2428918A publication Critical patent/GB2428918A/en
Application granted granted Critical
Publication of GB2428918B publication Critical patent/GB2428918B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
    • 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
    • H03F3/3432—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with bipolar transistors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)
GB0516231A 2005-08-05 2005-08-05 Direct current converter circuit Expired - Fee Related GB2428918B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0516231A GB2428918B (en) 2005-08-05 2005-08-05 Direct current converter circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0516231A GB2428918B (en) 2005-08-05 2005-08-05 Direct current converter circuit

Publications (3)

Publication Number Publication Date
GB0516231D0 GB0516231D0 (en) 2005-09-14
GB2428918A GB2428918A (en) 2007-02-07
GB2428918B true GB2428918B (en) 2009-11-18

Family

ID=34984228

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0516231A Expired - Fee Related GB2428918B (en) 2005-08-05 2005-08-05 Direct current converter circuit

Country Status (1)

Country Link
GB (1) GB2428918B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108874013A (en) * 2018-07-25 2018-11-23 南京微盟电子有限公司 The insensitive zero temp shift current source circuit of a kind of pair of power supply

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317082A (en) * 1978-11-06 1982-02-23 National Semiconductor Corporation Current mirror circuit
US4347531A (en) * 1979-09-20 1982-08-31 Sony Corporation Circuit converting a pair of differential input signals to single-ended output signals
US4574233A (en) * 1984-03-30 1986-03-04 Tektronix, Inc. High impedance current source
US20030214279A1 (en) * 2002-05-15 2003-11-20 Wedel Dale S. Current mirroring

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317082A (en) * 1978-11-06 1982-02-23 National Semiconductor Corporation Current mirror circuit
US4347531A (en) * 1979-09-20 1982-08-31 Sony Corporation Circuit converting a pair of differential input signals to single-ended output signals
US4574233A (en) * 1984-03-30 1986-03-04 Tektronix, Inc. High impedance current source
US20030214279A1 (en) * 2002-05-15 2003-11-20 Wedel Dale S. Current mirroring

Also Published As

Publication number Publication date
GB0516231D0 (en) 2005-09-14
GB2428918A (en) 2007-02-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120805