EP0623865A3 - Current source device. - Google Patents

Current source device. Download PDF

Info

Publication number: EP0623865A3
Authority: EP; European Patent Office
Prior art keywords: current source; source device; current; source
Prior art date: 1993-05-07
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

EP94106767A

Other languages

German (de)

French (fr)

Other versions

EP0623865A2 (en

EP0623865B1 (en

Inventor

Dieter Dr Dipl-Ing Draxelmayr

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.)

Siemens Corp

Original Assignee

Siemens Corp

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.)

1993-05-07

Filing date

1994-04-29

Publication date

1995-01-11

1994-04-29 Application filed by Siemens Corp filed Critical Siemens Corp

1994-11-09 Publication of EP0623865A2 publication Critical patent/EP0623865A2/en

1995-01-11 Publication of EP0623865A3 publication Critical patent/EP0623865A3/en

1997-11-05 Application granted granted Critical

1997-11-05 Publication of EP0623865B1 publication Critical patent/EP0623865B1/en

2014-04-29 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- G05F3/24—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type 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)
Analogue/Digital Conversion (AREA)
Amplifiers (AREA)

EP94106767A 1993-05-07 1994-04-29 Current source arrangement Expired - Lifetime EP0623865B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4315299A DE4315299C1 (en)	1993-05-07	1993-05-07	Current source device for D=A converter
DE4315299		1993-05-07

Publications (3)

Publication Number	Publication Date
EP0623865A2 EP0623865A2 (en)	1994-11-09
EP0623865A3 true EP0623865A3 (en)	1995-01-11
EP0623865B1 EP0623865B1 (en)	1997-11-05

Family

ID=6487528

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP94106767A Expired - Lifetime EP0623865B1 (en)	1993-05-07	1994-04-29	Current source arrangement

Country Status (2)

Country	Link
EP (1)	EP0623865B1 (en)
DE (2)	DE4315299C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19746950C2 (en) *	1997-01-31	2003-11-06	Lg Semicon Co Ltd	Digital-to-analog converter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3995177A (en) *	1973-01-02	1976-11-30	Fairchild Camera And Instrument Corporation	Electronic watch
US4769559A (en) *	1987-06-02	1988-09-06	Motorola, Inc.	Switchable current source
EP0483537A2 (en) *	1990-10-29	1992-05-06	TEMIC TELEFUNKEN microelectronic GmbH	Current source circuit
EP0531615A2 (en) *	1991-08-09	1993-03-17	Nec Corporation	Temperature sensor circuit and constant-current circuit

1993
- 1993-05-07 DE DE4315299A patent/DE4315299C1/en not_active Expired - Fee Related
1994
- 1994-04-29 EP EP94106767A patent/EP0623865B1/en not_active Expired - Lifetime
- 1994-04-29 DE DE59404502T patent/DE59404502D1/en not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3995177A (en) *	1973-01-02	1976-11-30	Fairchild Camera And Instrument Corporation	Electronic watch
US4769559A (en) *	1987-06-02	1988-09-06	Motorola, Inc.	Switchable current source
EP0483537A2 (en) *	1990-10-29	1992-05-06	TEMIC TELEFUNKEN microelectronic GmbH	Current source circuit
EP0531615A2 (en) *	1991-08-09	1993-03-17	Nec Corporation	Temperature sensor circuit and constant-current circuit

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
GROENEVELD ET AL.: "A self Calibration Technique for Monolothic High-Resolution D/A Converters.", IEEE INTERNATIONAL SOLID STATE CIRCUITS CONFERENCE, vol. 32, February 1989 (1989-02-01), NEW YORK US *
KUMAZAWA ET AL.: "An 8 bit 150 MHz CMOS D/A Converte with 2 Vp-p wide range output.", 1990 SYPOSIUM ON VLSI CIRCUITS, 7 June 1990 (1990-06-07), HONOLULU, pages 55 - 56 *
NAKAMURA ET AL.: "A 10 bit 50 MS/s CMOS D/A Converter with 2,7V Power Supply", 1992 SYPOSIUM ON VLSI CIRCUITS DIGEST OF TECHNICAL PAPERS., 4 June 1992 (1992-06-04), SEATTLE, pages 92 - 93, XP000342674 *
TAKAKURA ET AL.: "A 10 bit 80 MHz Glitchless CMOS D/A Converter.", IEEE 1991 CUSTOM INTEGRATED CIRCUITS CONFERENCE., 12 May 1991 (1991-05-12), SAN DIEGO, pages 26.5.1 - 26.5.4 *
WEY ET AL.: "Current mode divide by two circuit", ELECTRONICS LETTERS, vol. 28, no. 9, 23 April 1992 (1992-04-23), ENAGE GB, pages 820 - 822, XP000296660 *

Also Published As

Publication number	Publication date
DE59404502D1 (en)	1997-12-11
EP0623865A2 (en)	1994-11-09
DE4315299C1 (en)	1994-06-23
EP0623865B1 (en)	1997-11-05

Publication	Publication Date	Title
FR2702584B1 (en)	1997-01-24	Control device.
FR2688952B1 (en)	1994-04-29	REFERENCE VOLTAGE GENERATION DEVICE.
FR2666912B1 (en)	1992-10-16	SUPERCONDUCTOR CURRENT LIMITING DEVICE.
FR2716575B1 (en)	1997-06-06	Opto-semiconductor device.
DE69200733D1 (en)	1995-01-12	Electrophotographic device.
FR2673486B1 (en)	1996-03-01	CURRENT SWITCHING APPARATUS.
FR2711748B1 (en)	1998-01-02	Connection device.
FR2688903B1 (en)	1994-06-03	REFERENCE CURRENT GENERATION CIRCUIT.
FR2703668B1 (en)	1995-11-10	SEPARATION DEVICE.
FR2717901B1 (en)	1999-05-28	Current detection device.
FR2651621B1 (en)	1996-07-19	DIRECT CURRENT CONVERTER - ALTERNATIVE.
FR2710474B1 (en)	1995-11-17	Electric current detection device by micro-leak.
EP0608694A3 (en)	1994-11-02	Integrable current source circuit.
MA22979A1 (en)	1994-04-01	GAULING DEVICE.
FR2714496B1 (en)	1998-11-13	Constant current generator with transistors.
DE69206163D1 (en)	1996-01-04	Electrophotographic device.
ITTO941006A0 (en)	1994-12-09	ENLARGEMENT DEVICE.
EP0623865A3 (en)	1995-01-11	Current source device.
FR2652198B1 (en)	1995-07-21	CURRENT LIMIT SWITCHING DEVICE.
FR2712716B1 (en)	1997-01-31	Guarantee device.
FR2689248B1 (en)	1997-09-26	VOLTAGE PRESENCE DEVICE.
FR2711000B1 (en)	1995-12-29	Crossroads light management device.
FR2714544B1 (en)	1996-02-02	Current limiter.
FR2680888B1 (en)	1994-09-30	REFERENCE CURRENT GENERATOR.
FR2700378B1 (en)	1995-03-31	Connection device.

Legal Events

Date	Code	Title	Description
1994-09-23	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1994-11-09	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1994-11-22	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1995-01-11	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1995-04-05	17P	Request for examination filed	Effective date: 19950207
1997-01-03	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1997-02-19	17Q	First examination report despatched	Effective date: 19970108
1997-05-03	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-07-31	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-09-19	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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1998-01-27	ITF	It: translation for a ep patent filed
1998-02-04	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19980114
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