ATE369659T1 - Selbstoszillierender a/d-umsetzer - Google Patents
Selbstoszillierender a/d-umsetzerInfo
- Publication number
- ATE369659T1 ATE369659T1 AT03818684T AT03818684T ATE369659T1 AT E369659 T1 ATE369659 T1 AT E369659T1 AT 03818684 T AT03818684 T AT 03818684T AT 03818684 T AT03818684 T AT 03818684T AT E369659 T1 ATE369659 T1 AT E369659T1
- Authority
- AT
- Austria
- Prior art keywords
- converter
- self
- osciillating
- time
- quantizing means
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
- H03M1/504—Analogue/digital converters with intermediate conversion to time interval using pulse width modulation
- H03M1/508—Analogue/digital converters with intermediate conversion to time interval using pulse width modulation the pulse width modulator being of the self-oscillating type
-
- 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
- H03M3/432—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 the quantiser being a pulse width modulation type analogue/digital converter, i.e. differential pulse width modulation
-
- 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
- H03M3/44—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 provisions for rendering the modulator inherently stable
- H03M3/442—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 provisions for rendering the modulator inherently stable by restricting the swing within the loop, e.g. gain scaling
- H03M3/444—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 provisions for rendering the modulator inherently stable by restricting the swing within the loop, e.g. gain scaling using non-linear elements, e.g. limiters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DK2003/000613 WO2005029707A1 (en) | 2003-09-22 | 2003-09-22 | Self-oscillating a/d-converter |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE369659T1 true ATE369659T1 (de) | 2007-08-15 |
Family
ID=34354342
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03818684T ATE369659T1 (de) | 2003-09-22 | 2003-09-22 | Selbstoszillierender a/d-umsetzer |
AT04762863T ATE392045T1 (de) | 2003-09-22 | 2004-09-22 | A/d-umsetzer |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04762863T ATE392045T1 (de) | 2003-09-22 | 2004-09-22 | A/d-umsetzer |
Country Status (6)
Country | Link |
---|---|
US (3) | US7379001B2 (de) |
EP (2) | EP1665541B1 (de) |
AT (2) | ATE369659T1 (de) |
AU (1) | AU2003266205A1 (de) |
DE (2) | DE60315524T2 (de) |
WO (2) | WO2005029707A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1665541B1 (de) | 2003-09-22 | 2007-08-08 | TC Electronic A/S | Selbstoszillierender a/d-umsetzer |
DE102005052702B4 (de) * | 2005-11-04 | 2007-10-25 | Infineon Technologies Ag | Synchronisationsschaltung zur Synchronisation von PWM-Modulatoren |
US20100052805A1 (en) * | 2006-07-11 | 2010-03-04 | Tc Group A/S | High-mode self-oscillating pulse modulator |
US7352311B2 (en) * | 2006-08-22 | 2008-04-01 | Freescale Semiconductor, Inc. | Continuous time noise shaping analog-to-digital converter |
US7532137B2 (en) * | 2007-05-29 | 2009-05-12 | Infineon Technologies Ag | Filter with capacitive forward coupling with a quantizer operating in scanning and conversion phases |
WO2009065412A1 (en) * | 2007-11-20 | 2009-05-28 | The Tc Group A/S | Pulse modulation a/d-converter with feedback |
US7612696B2 (en) * | 2008-03-28 | 2009-11-03 | Motorola, Inc. | Method and system for decimating a pulse width modulated (PWM) signal |
GB2463880A (en) * | 2008-09-25 | 2010-03-31 | Ubidyne Inc | An EER amplifier with linearising RF feedback |
WO2010146490A1 (en) * | 2009-06-18 | 2010-12-23 | Koninklijke Philips Electronics N.V. | Signal-detection with band-pass spectral shaping |
US8494180B2 (en) * | 2010-01-08 | 2013-07-23 | Intersil Americas Inc. | Systems and methods to reduce idle channel current and noise floor in a PWM amplifier |
US8299946B2 (en) * | 2010-02-03 | 2012-10-30 | Taiwan Semiconductor Manufacturing Company, Ltd. | Noise shaping for digital pulse-width modulators |
CN106385258B (zh) * | 2016-09-26 | 2019-11-12 | 上海晟矽微电子股份有限公司 | 提高单片机的模数转换精度的方法及装置 |
US9825645B1 (en) | 2016-12-22 | 2017-11-21 | Infineon Technologies Ag | Self-oscillating dual-slope integrating quantizer for sigma delta modulators |
GB2566338A (en) * | 2017-08-31 | 2019-03-13 | Cirrus Logic Int Semiconductor Ltd | Modulators |
US10348282B1 (en) | 2018-07-31 | 2019-07-09 | Cirrus Logic, Inc. | Modulators |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4123709A (en) * | 1977-01-24 | 1978-10-31 | Canadian Patents And Development Limited | Adaptive digital delta modulation for voice transmission |
US4695742A (en) * | 1983-05-09 | 1987-09-22 | Sangamo Weston, Inc. | Charge balance voltage-to-frequency converter utilizing CMOS circuitry |
DE3642360A1 (de) * | 1986-12-11 | 1988-06-23 | Rohde & Schwarz | Analog-digital-wandler mit mehrfachabtastung |
US4768018A (en) * | 1987-07-16 | 1988-08-30 | General Electric Company | Analog to digital converter for an electronic circuit breaker with out-of-supply-range input signals |
JP2618742B2 (ja) * | 1990-07-09 | 1997-06-11 | 康人 竹内 | Fm復調器 |
US5245343A (en) * | 1990-08-03 | 1993-09-14 | Honeywell Inc. | Enhanced accuracy delta-sigma A/D converter |
ES2085456T3 (es) * | 1991-11-13 | 1996-06-01 | Flowtec Ag | Convertidor analogico-digital delta-sigma. |
DE19535615A1 (de) * | 1994-10-20 | 1996-05-02 | Analogic Corp | Datenerfassungssystem, insbesondere für Computertomographie-Geräte |
US5729230A (en) * | 1996-01-17 | 1998-03-17 | Hughes Aircraft Company | Delta-Sigma Δ-Σ modulator having a dynamically tunable continuous time Gm-C architecture |
US5834987A (en) * | 1997-07-30 | 1998-11-10 | Ercisson Inc. | Frequency synthesizer systems and methods for three-point modulation with a DC response |
US6232902B1 (en) * | 1998-09-22 | 2001-05-15 | Yokogawa Electric Corporation | Sigma-delta analog-to-digital converter |
TW548659B (en) * | 2000-09-05 | 2003-08-21 | Samsung Electronics Co Ltd | Delay locked loop circuit for reducing load of variable delay unit at high-frequency operation and locking external clock signal stably |
SE0003342D0 (sv) * | 2000-09-19 | 2000-09-19 | Bang & Olufsen Powerhouse As | Controlled self-oscillation modulator and power conversion system using such a modulator |
DE10128942B4 (de) | 2001-06-18 | 2007-01-11 | Mettler-Toledo Gmbh | Integrierender A/D-Wandler |
US6664908B2 (en) * | 2001-09-21 | 2003-12-16 | Honeywell International Inc. | Synchronized pulse width modulator |
ATE342611T1 (de) * | 2002-03-20 | 2006-11-15 | Freescale Semiconductor Inc | Analog-digital sigma-delta modulator mit fir- filter |
US7142606B2 (en) * | 2002-09-27 | 2006-11-28 | Freescale Semiconductor, Inc. | Method and apparatus for shared processing a plurality of signals |
US6674387B1 (en) | 2002-10-02 | 2004-01-06 | Honeywell International Inc. | Pulse width modulation analog to digital conversion |
EP1665541B1 (de) | 2003-09-22 | 2007-08-08 | TC Electronic A/S | Selbstoszillierender a/d-umsetzer |
US7142142B2 (en) * | 2004-02-25 | 2006-11-28 | Nelicor Puritan Bennett, Inc. | Multi-bit ADC with sigma-delta modulation |
US6965339B2 (en) * | 2004-04-07 | 2005-11-15 | Motorola, Inc. | Method and system for analog to digital conversion using digital pulse width modulation (PWM) |
US7084799B1 (en) * | 2005-05-09 | 2006-08-01 | Sls International, Inc. | Sigma-delta modulated amplifier |
US7183957B1 (en) * | 2005-12-30 | 2007-02-27 | Cirrus Logic, Inc. | Signal processing system with analog-to-digital converter using delta-sigma modulation having an internal stabilizer loop |
-
2003
- 2003-09-22 EP EP03818684A patent/EP1665541B1/de not_active Expired - Lifetime
- 2003-09-22 US US10/573,059 patent/US7379001B2/en not_active Expired - Fee Related
- 2003-09-22 WO PCT/DK2003/000613 patent/WO2005029707A1/en active IP Right Grant
- 2003-09-22 AU AU2003266205A patent/AU2003266205A1/en not_active Abandoned
- 2003-09-22 AT AT03818684T patent/ATE369659T1/de not_active IP Right Cessation
- 2003-09-22 DE DE60315524T patent/DE60315524T2/de not_active Expired - Fee Related
-
2004
- 2004-09-22 DE DE602004013022T patent/DE602004013022T2/de active Active
- 2004-09-22 EP EP04762863A patent/EP1665542B1/de not_active Not-in-force
- 2004-09-22 US US10/573,053 patent/US7388530B2/en not_active Expired - Fee Related
- 2004-09-22 AT AT04762863T patent/ATE392045T1/de not_active IP Right Cessation
- 2004-09-22 WO PCT/DK2004/000643 patent/WO2005029708A1/en active IP Right Grant
-
2008
- 2008-02-12 US US12/030,072 patent/US20080129572A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU2003266205A1 (en) | 2005-04-11 |
US20070085717A1 (en) | 2007-04-19 |
US7388530B2 (en) | 2008-06-17 |
ATE392045T1 (de) | 2008-04-15 |
EP1665542A1 (de) | 2006-06-07 |
US20080129572A1 (en) | 2008-06-05 |
WO2005029708A1 (en) | 2005-03-31 |
DE602004013022D1 (de) | 2008-05-21 |
WO2005029707A1 (en) | 2005-03-31 |
US7379001B2 (en) | 2008-05-27 |
EP1665541B1 (de) | 2007-08-08 |
DE60315524T2 (de) | 2008-04-30 |
EP1665542B1 (de) | 2008-04-09 |
EP1665541A1 (de) | 2006-06-07 |
DE602004013022T2 (de) | 2009-06-18 |
US20070040721A1 (en) | 2007-02-22 |
DE60315524D1 (de) | 2007-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |