EP2220770A1 - Signalmodulator für analog/digital-wandler - Google Patents
Signalmodulator für analog/digital-wandlerInfo
- Publication number
- EP2220770A1 EP2220770A1 EP08859573A EP08859573A EP2220770A1 EP 2220770 A1 EP2220770 A1 EP 2220770A1 EP 08859573 A EP08859573 A EP 08859573A EP 08859573 A EP08859573 A EP 08859573A EP 2220770 A1 EP2220770 A1 EP 2220770A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- modulator
- signal
- output
- analog
- quantizer
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
- H03M3/454—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
Definitions
- Fig.l a circuit with which an embodiment of a signal modulator according to the invention second order can be realized.
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT20072007A AT506180B1 (de) | 2007-12-12 | 2007-12-12 | Signalmodulator für analog/digital-wandler |
PCT/EP2008/064106 WO2009074386A1 (de) | 2007-12-12 | 2008-10-20 | Signalmodulator für analog/digital-wandler |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2220770A1 true EP2220770A1 (de) | 2010-08-25 |
Family
ID=40342755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08859573A Withdrawn EP2220770A1 (de) | 2007-12-12 | 2008-10-20 | Signalmodulator für analog/digital-wandler |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2220770A1 (de) |
AT (1) | AT506180B1 (de) |
WO (1) | WO2009074386A1 (de) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2107949B (en) * | 1981-10-15 | 1985-04-11 | Standard Telephones Cables Ltd | Digital decoder |
US5041832A (en) * | 1987-07-20 | 1991-08-20 | Zdzislaw Gulczynski | Dual flash analog-to-digital converter |
DE19518508A1 (de) * | 1994-07-28 | 1996-02-08 | Hewlett Packard Co | Kostengünstiger Sigma-Delta-Modulator |
DE19635989A1 (de) * | 1996-09-05 | 1998-03-12 | Sel Alcatel Ag | Sendeeinrichtung zur optischen Übertragung von analogen elektrischen Signalen und digitales Übertragungssystem |
JPH10303753A (ja) * | 1997-04-30 | 1998-11-13 | Toshiba Lighting & Technol Corp | A/d変換装置、制御装置およびランプ調光装置 |
DE102004005793A1 (de) * | 2004-02-06 | 2005-08-25 | Daimlerchrysler Ag | Steuergerät mit Signalwandler |
-
2007
- 2007-12-12 AT AT20072007A patent/AT506180B1/de not_active IP Right Cessation
-
2008
- 2008-10-20 EP EP08859573A patent/EP2220770A1/de not_active Withdrawn
- 2008-10-20 WO PCT/EP2008/064106 patent/WO2009074386A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2009074386A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009074386A1 (de) | 2009-06-18 |
AT506180A1 (de) | 2009-06-15 |
AT506180B1 (de) | 2012-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
17P | Request for examination filed |
Effective date: 20100416 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
17Q | First examination report despatched |
Effective date: 20101026 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SIEMENS AKTIENGESELLSCHAFT |
|
DAX | Request for extension of the european patent (deleted) | ||
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 |
|
18D | Application deemed to be withdrawn |
Effective date: 20110308 |