DE59802823D1 - Switchable current source circuit - Google Patents

Switchable current source circuit

Info

Publication number
DE59802823D1
DE59802823D1 DE59802823T DE59802823T DE59802823D1 DE 59802823 D1 DE59802823 D1 DE 59802823D1 DE 59802823 T DE59802823 T DE 59802823T DE 59802823 T DE59802823 T DE 59802823T DE 59802823 D1 DE59802823 D1 DE 59802823D1
Authority
DE
Germany
Prior art keywords
current source
source circuit
switchable current
switchable
circuit
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 - Lifetime
Application number
DE59802823T
Other languages
German (de)
Inventor
Edmund Goetz
Markus Scholz
Dr Feng
Guenter Donig
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.)
Infineon Technologies AG
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Application granted granted Critical
Publication of DE59802823D1 publication Critical patent/DE59802823D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G05F3/262—Current mirrors using field-effect transistors only

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Electronic Switches (AREA)
DE59802823T 1997-09-30 1998-09-16 Switchable current source circuit Expired - Lifetime DE59802823D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19743204 1997-09-30
DE19803471A DE19803471C2 (en) 1997-09-30 1998-01-29 Switchable current source circuit

Publications (1)

Publication Number Publication Date
DE59802823D1 true DE59802823D1 (en) 2002-02-28

Family

ID=7844156

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19803471A Expired - Fee Related DE19803471C2 (en) 1997-09-30 1998-01-29 Switchable current source circuit
DE59802823T Expired - Lifetime DE59802823D1 (en) 1997-09-30 1998-09-16 Switchable current source circuit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19803471A Expired - Fee Related DE19803471C2 (en) 1997-09-30 1998-01-29 Switchable current source circuit

Country Status (1)

Country Link
DE (2) DE19803471C2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4216712A1 (en) * 1992-05-20 1993-11-25 Siemens Ag Switchable current source circuit and use of such in a phase detector arrangement

Also Published As

Publication number Publication date
DE19803471A1 (en) 1999-04-15
DE19803471C2 (en) 2003-01-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition