DE69220723D1 - Analog/Digitalwandler, Digital/Analogwandler und digitale Modulatoren - Google Patents
Analog/Digitalwandler, Digital/Analogwandler und digitale ModulatorenInfo
- Publication number
- DE69220723D1 DE69220723D1 DE69220723T DE69220723T DE69220723D1 DE 69220723 D1 DE69220723 D1 DE 69220723D1 DE 69220723 T DE69220723 T DE 69220723T DE 69220723 T DE69220723 T DE 69220723T DE 69220723 D1 DE69220723 D1 DE 69220723D1
- Authority
- DE
- Germany
- Prior art keywords
- digital
- analog
- converter
- modulators
- analog converter
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3006—Compensating for, or preventing of, undesired influence of physical parameters
-
- 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
- H03M3/414—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] 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
- H03M3/38—Calibration
- H03M3/386—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
- H03M3/388—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M7/3022—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919109637A GB9109637D0 (en) | 1991-05-03 | 1991-05-03 | Analogue-to-digital and digital-to-analogue converters |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69220723D1 true DE69220723D1 (de) | 1997-08-14 |
DE69220723T2 DE69220723T2 (de) | 1997-11-06 |
Family
ID=10694429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69220723T Expired - Fee Related DE69220723T2 (de) | 1991-05-03 | 1992-04-27 | Analog/Digitalwandler, Digital/Analogwandler und digitale Modulatoren |
Country Status (6)
Country | Link |
---|---|
US (1) | US5341135A (de) |
EP (1) | EP0512723B1 (de) |
AU (1) | AU657322B2 (de) |
CA (1) | CA2067635A1 (de) |
DE (1) | DE69220723T2 (de) |
GB (2) | GB9109637D0 (de) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0165277B1 (ko) * | 1993-02-27 | 1999-03-20 | 김광호 | 디지탈신호 자기 기록 재생장치 |
FR2702902B1 (fr) * | 1993-03-15 | 1995-04-21 | Alcatel Radiotelephone | Récepteur numérique à fréquence intermédiaire et procédé de filtrage en bande de base mis en Óoeuvre dans ce récepteur. |
US5442353A (en) * | 1993-10-25 | 1995-08-15 | Motorola, Inc. | Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same |
US5530442A (en) * | 1994-05-09 | 1996-06-25 | At&T Corp. | Circuit and method for testing a dithered analog-to-digital converter |
KR0157903B1 (ko) * | 1995-10-13 | 1999-03-20 | 문정환 | 아날로그/디지탈 변환기의 변환특성 테스트회로와 그 방법 |
JP3327114B2 (ja) * | 1996-04-24 | 2002-09-24 | ソニー株式会社 | 信号処理装置、信号記録装置及び信号再生装置 |
US5838272A (en) * | 1997-04-17 | 1998-11-17 | President And Fellows Of Harvard College | Error correcting sigma-delta modulation decoding |
US6600789B1 (en) * | 1997-10-09 | 2003-07-29 | Atmel Corporation | Signal processing method and device |
US6184692B1 (en) * | 1997-10-29 | 2001-02-06 | Lucent Technologies, Inc. | Loop back test apparatus and technique |
US6134430A (en) * | 1997-12-09 | 2000-10-17 | Younis; Saed G. | Programmable dynamic range receiver with adjustable dynamic range analog to digital converter |
AUPP271998A0 (en) * | 1998-03-31 | 1998-04-23 | Lake Dsp Pty Limited | Lookahead sigma-delta modulator |
US6087969A (en) * | 1998-04-27 | 2000-07-11 | Motorola, Inc. | Sigma-delta modulator and method for digitizing a signal |
US6169502B1 (en) * | 1998-05-08 | 2001-01-02 | Cirrus Logic, Inc. | Pipelined analog-to-digital converter (ADC) systems, methods, and computer program products |
US7092675B2 (en) * | 1998-05-29 | 2006-08-15 | Silicon Laboratories | Apparatus and methods for generating radio frequencies in communication circuitry using multiple control signals |
US7221921B2 (en) * | 1998-05-29 | 2007-05-22 | Silicon Laboratories | Partitioning of radio-frequency apparatus |
US6970717B2 (en) | 2001-01-12 | 2005-11-29 | Silicon Laboratories Inc. | Digital architecture for radio-frequency apparatus and associated methods |
US7024221B2 (en) * | 2001-01-12 | 2006-04-04 | Silicon Laboratories Inc. | Notch filter for DC offset reduction in radio-frequency apparatus and associated methods |
US6804497B2 (en) * | 2001-01-12 | 2004-10-12 | Silicon Laboratories, Inc. | Partitioned radio-frequency apparatus and associated methods |
US7242912B2 (en) * | 1998-05-29 | 2007-07-10 | Silicon Laboratories Inc. | Partitioning of radio-frequency apparatus |
US7228109B2 (en) * | 2001-01-12 | 2007-06-05 | Silicon Laboratories Inc. | DC offset reduction in radio-frequency apparatus and associated methods |
US7035607B2 (en) * | 1998-05-29 | 2006-04-25 | Silicon Laboratories Inc. | Systems and methods for providing an adjustable reference signal to RF circuitry |
US6993314B2 (en) | 1998-05-29 | 2006-01-31 | Silicon Laboratories Inc. | Apparatus for generating multiple radio frequencies in communication circuitry and associated methods |
AUPQ381499A0 (en) | 1999-11-02 | 1999-11-25 | Commonwealth Of Australia, The | Enhanced direct digitising array arrangement |
AU773665B2 (en) * | 1999-11-02 | 2004-06-03 | Commonwealth Of Australia, The | Enhanced direct digitising array arrangement |
US7245651B1 (en) * | 1999-12-20 | 2007-07-17 | Intel Corporation | Dual mode filter for mobile telecommunications |
US6903617B2 (en) | 2000-05-25 | 2005-06-07 | Silicon Laboratories Inc. | Method and apparatus for synthesizing high-frequency signals for wireless communications |
US7035611B2 (en) * | 2001-01-12 | 2006-04-25 | Silicon Laboratories Inc. | Apparatus and method for front-end circuitry in radio-frequency apparatus |
US7177610B2 (en) * | 2001-01-12 | 2007-02-13 | Silicon Laboratories Inc. | Calibrated low-noise current and voltage references and associated methods |
US7158574B2 (en) * | 2001-01-12 | 2007-01-02 | Silicon Laboratories Inc. | Digital interface in radio-frequency apparatus and associated methods |
US7138858B2 (en) | 2001-01-12 | 2006-11-21 | Silicon Laboratories, Inc. | Apparatus and methods for output buffer circuitry with constant output power in radio-frequency circuitry |
US7031683B2 (en) * | 2001-01-12 | 2006-04-18 | Silicon Laboratories Inc. | Apparatus and methods for calibrating signal-processing circuitry |
US20030232613A1 (en) * | 2001-01-12 | 2003-12-18 | Kerth Donald A. | Quadrature signal generation in radio-frequency apparatus and associated methods |
DE10103811A1 (de) * | 2001-01-29 | 2002-08-29 | Siemens Ag | Sigma-Delta-Modulator zur Digitalisierung von analogen Hochfrequenzsignalen |
JP2005510110A (ja) * | 2001-11-15 | 2005-04-14 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | シグマデルタ変調 |
WO2003079699A1 (en) * | 2002-03-15 | 2003-09-25 | Silicon Laboratories Inc. | Radio-frequency apparatus and associated methods |
FR2840471A1 (fr) * | 2002-05-28 | 2003-12-05 | St Microelectronics Sa | Modulateur sigma-delta numerique-numerique, et synthetiseur de frequence numerique l'incorporant |
US6864818B1 (en) * | 2003-12-09 | 2005-03-08 | Texas Instruments Incorporated | Programmable bandpass analog to digital converter based on error feedback architecture |
WO2005104378A1 (en) * | 2004-03-25 | 2005-11-03 | Ess Technology, Inc. | Sigma delta modulator loop configured to compensate amplifier noise affecting signals in the am radio frequency band |
US20050215216A1 (en) * | 2004-03-25 | 2005-09-29 | Ess Technology, Inc. | Sigma delta modulator loop configured to compensate amplifier noise affecting signals in the AM radio frequency band |
US8204156B2 (en) * | 2008-12-31 | 2012-06-19 | Intel Corporation | Phase error detection with conditional probabilities |
US8089382B2 (en) * | 2009-06-26 | 2012-01-03 | Syntropy Systems, Llc | Sampling/quantization converters |
US7961129B2 (en) * | 2009-08-12 | 2011-06-14 | Infineon Technologies Ag | Coupled delta-sigma modulators |
US9048865B2 (en) | 2009-12-16 | 2015-06-02 | Syntropy Systems, Llc | Conversion of a discrete time quantized signal into a continuous time, continuously variable signal |
US9276602B1 (en) | 2009-12-16 | 2016-03-01 | Syntropy Systems, Llc | Conversion of a discrete-time quantized signal into a continuous-time, continuously variable signal |
WO2011084609A1 (en) * | 2009-12-16 | 2011-07-14 | Syntropy Systems | Conversion of a discrete-time quantized signal into a continuous-time, continuously variable signal |
US8294605B1 (en) | 2009-12-16 | 2012-10-23 | Syntropy Systems, Llc | Conversion of a discrete time quantized signal into a continuous time, continuously variable signal |
US9680497B2 (en) * | 2014-03-26 | 2017-06-13 | Syntropy Systems, Llc | Conversion of a discrete-time quantized signal into a continuous-time, continuously variable signal |
DE102011080586A1 (de) * | 2011-08-08 | 2013-02-14 | Lenze Se | Verfahren zum Erzeugen eines digitalen Signals |
FR2989544B1 (fr) * | 2012-04-13 | 2014-05-16 | Inst Mines Telecom | Procede de conversion analogique numerique multibande multiniveau. |
US8970408B2 (en) * | 2013-07-03 | 2015-03-03 | Infineon Technologies Ag | Built-in-self-test for an analog-to-digital converter |
US9350381B1 (en) * | 2014-12-16 | 2016-05-24 | Freescale Semiconductor Inc. | Circuit generating an analog signal using a part of a sigma-delta ADC |
US9401728B2 (en) | 2014-12-16 | 2016-07-26 | Freescale Semiconductor, Inc. | Test signal generator for sigma-delta ADC |
US9685975B2 (en) | 2015-01-29 | 2017-06-20 | Syntropy Systems, Llc | Distributed combiner for parallel discrete-to-linear converters |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8705923D0 (en) * | 1987-03-12 | 1987-04-15 | Gen Electric Co Plc | Analogue to digital converter |
JP2543095B2 (ja) * | 1987-09-14 | 1996-10-16 | 松下電器産業株式会社 | オ―バ―サンプリング型d/a変換器 |
JPH01204528A (ja) * | 1988-02-10 | 1989-08-17 | Fujitsu Ltd | A/d変換器 |
US4862169A (en) * | 1988-03-25 | 1989-08-29 | Motorola, Inc. | Oversampled A/D converter using filtered, cascaded noise shaping modulators |
US4943807A (en) * | 1988-04-13 | 1990-07-24 | Crystal Semiconductor | Digitally calibrated delta-sigma analog-to-digital converter |
FI80548C (fi) * | 1988-11-09 | 1990-06-11 | Nokia Oy Ab | Foerfarande foer kaskadkoppling av tvao eller flera sigma-deltamodulatorer samt ett sigma-delta-modulatorsystem. |
EP0399738A3 (de) * | 1989-05-26 | 1991-05-08 | Gec-Marconi Limited | Analog-/Digitalwandler |
US4999627A (en) * | 1989-09-25 | 1991-03-12 | At&T Bell Laboratories | Analog-to-digital converter using prescribed signal components to improve resolution |
EP0450984B1 (de) * | 1990-04-05 | 1997-09-03 | Matsushita Electric Industrial Co., Ltd. | Digitaler Requantifizierer unter Verwendung von mehrstufigen Rauschformern |
US5153593A (en) * | 1990-04-26 | 1992-10-06 | Hughes Aircraft Company | Multi-stage sigma-delta analog-to-digital converter |
NL9001440A (nl) * | 1990-06-22 | 1992-01-16 | Philips Nv | Analoog/digitaal signaal-omvormer met meervoudige sigma-delta modulator. |
-
1991
- 1991-05-03 GB GB919109637A patent/GB9109637D0/en active Pending
-
1992
- 1992-04-10 GB GB9207927A patent/GB2255457B/en not_active Expired - Fee Related
- 1992-04-27 DE DE69220723T patent/DE69220723T2/de not_active Expired - Fee Related
- 1992-04-27 EP EP92303768A patent/EP0512723B1/de not_active Expired - Lifetime
- 1992-04-30 CA CA002067635A patent/CA2067635A1/en not_active Abandoned
- 1992-04-30 US US07/876,781 patent/US5341135A/en not_active Expired - Fee Related
- 1992-05-01 AU AU15946/92A patent/AU657322B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
CA2067635A1 (en) | 1992-11-04 |
GB9109637D0 (en) | 1991-06-26 |
GB2255457B (en) | 1994-10-26 |
DE69220723T2 (de) | 1997-11-06 |
EP0512723A2 (de) | 1992-11-11 |
GB9207927D0 (en) | 1992-05-27 |
AU657322B2 (en) | 1995-03-09 |
GB2255457A (en) | 1992-11-04 |
EP0512723A3 (en) | 1993-11-24 |
AU1594692A (en) | 1992-11-05 |
US5341135A (en) | 1994-08-23 |
EP0512723B1 (de) | 1997-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: MARCONI MOBILE LDT., COVENTRY, GB |
|
8339 | Ceased/non-payment of the annual fee |