EP1012983A4 - Sigma delta analog/digitalwandler - Google Patents

Sigma delta analog/digitalwandler

Info

Publication number: EP1012983A4
Authority: EP; European Patent Office
Prior art keywords: digital converter; delta sigma; sigma analog; analog; delta
Prior art date: 1997-01-10
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP98902427A

Other languages

English (en)

French (fr)

Other versions

EP1012983A1 (de

Inventor

Brian Victor Cake

Thomas Coutts Leslie

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.)

Texas Instruments Ltd

Lecroy Corp

Original Assignee

Phoenix VLSI Consultants Ltd

Lecroy 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.)

1997-01-10

Filing date

1998-01-09

Publication date

2002-08-07

1997-01-10 Priority claimed from GB9700403A external-priority patent/GB2321143B/en

1998-01-09 Application filed by Phoenix VLSI Consultants Ltd, Lecroy Corp filed Critical Phoenix VLSI Consultants Ltd

2000-06-28 Publication of EP1012983A1 publication Critical patent/EP1012983A1/de

2002-08-07 Publication of EP1012983A4 publication Critical patent/EP1012983A4/de

Status Withdrawn legal-status Critical Current

Links

EP98902427A 1997-01-10 1998-01-09 Sigma delta analog/digitalwandler Withdrawn EP1012983A4 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB9700403A GB2321143B (en)	1997-01-10	1997-01-10	Delta sigma analog-to-digital converter
GB9700403		1997-01-10
PCT/US1998/000311 WO1998031105A1 (en)	1997-01-10	1998-01-09	Delta sigma analog-to-digital converter

Publications (2)

Publication Number	Publication Date
EP1012983A1 EP1012983A1 (de)	2000-06-28
EP1012983A4 true EP1012983A4 (de)	2002-08-07

Family

ID=10805763

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98902427A Withdrawn EP1012983A4 (de)	1997-01-10	1998-01-09	Sigma delta analog/digitalwandler

Country Status (2)

Country	Link
EP (1)	EP1012983A4 (de)
AU (1)	AU5909798A (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5030954A (en) *	1990-09-17	1991-07-09	General Electric Company	Double rate oversampled interpolative modulators for analog-to-digital conversion
EP0734125A1 (de) *	1995-02-24	1996-09-25	Lecroy Corporation	Delta-Sigma-Analog-Digitalwandler

1998
- 1998-01-09 EP EP98902427A patent/EP1012983A4/de not_active Withdrawn
- 1998-01-09 AU AU59097/98A patent/AU5909798A/en not_active Abandoned

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5030954A (en) *	1990-09-17	1991-07-09	General Electric Company	Double rate oversampled interpolative modulators for analog-to-digital conversion
EP0734125A1 (de) *	1995-02-24	1996-09-25	Lecroy Corporation	Delta-Sigma-Analog-Digitalwandler

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
CZARNUL Z ET AL: "Multiplexed noise shaping structures for delta-sigma modulators", PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS. SAN DIEGO, MAY 10 - 13, 1992, PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS. (ISCAS), NEW YORK, IEEE, US, VOL. VOL. 4 CONF. 25, PAGE(S) 1308-1311, ISBN: 0-7803-0593-0, XP010061386 *
HOSSACK D.M.; SEWELL J.I.: "The application of redundant number systems to digital sigma-delta modulators", IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, 30 May 1994 (1994-05-30) - 2 June 1994 (1994-06-02), LONDON, pages 481 - 484 *
See also references of WO9831105A1 *
SHOAEI O.; SNELGROVE W.M.: "Optimal (Bandpass) Continuous-Time Sigma/Delta modulator", INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, 30 May 1994 (1994-05-30) - 2 June 1994 (1994-06-02), LONDON, UK, pages 489 - 492 *
TAO H ET AL: "Bandpass sigma-delta modulation using frequency translation", CIRCUITS AND SYSTEMS, 1997. PROCEEDINGS OF THE 40TH MIDWEST SYMPOSIUM ON SACRAMENTO, CA, USA 3-6 AUG. 1997, NEW YORK, NY, USA,IEEE, US, PAGE(S) 297-300, ISBN: 0-7803-3694-1, XP010272546 *

Also Published As

Publication number	Publication date
EP1012983A1 (de)	2000-06-28
AU5909798A (en)	1998-08-03

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Legal Events

Date	Code	Title	Description
2000-05-12	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
2000-06-28	17P	Request for examination filed	Effective date: 19990727
2000-06-28	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2000-06-28	AX	Request for extension of the european patent	Free format text: AL PAYMENT 19990727;RO PAYMENT 19990727
2002-08-07	A4	Supplementary search report drawn up and despatched	Effective date: 20020626
2002-08-07	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2003-03-26	17Q	First examination report despatched	Effective date: 20030205
2004-03-03	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: LECROY CORPORATION Owner name: TEXAS INSTRUMENTS LIMITED
2004-07-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2004-09-08	18D	Application deemed to be withdrawn	Effective date: 20040221