DE68911700D1 - Vorrichtung und Verfahren zur A/D Umsetzung mit Überabtastung. - Google Patents

Vorrichtung und Verfahren zur A/D Umsetzung mit Überabtastung.

Info

Publication number
DE68911700D1
DE68911700D1 DE89100246T DE68911700T DE68911700D1 DE 68911700 D1 DE68911700 D1 DE 68911700D1 DE 89100246 T DE89100246 T DE 89100246T DE 68911700 T DE68911700 T DE 68911700T DE 68911700 D1 DE68911700 D1 DE 68911700D1
Authority
DE
Germany
Prior art keywords
oversampling
conversion
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
Application number
DE89100246T
Other languages
English (en)
Other versions
DE68911700T2 (de
Inventor
Bavel Nicholas Van
Tim A Williams
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of DE68911700D1 publication Critical patent/DE68911700D1/de
Application granted granted Critical
Publication of DE68911700T2 publication Critical patent/DE68911700T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03M3/412—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
    • H03M3/418—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 all these quantisers being single bit quantisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE89100246T 1988-01-25 1989-01-09 Vorrichtung und Verfahren zur A/D Umsetzung mit Überabtastung. Expired - Fee Related DE68911700T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/147,958 US4876542A (en) 1988-01-25 1988-01-25 Multiple output oversampling A/D converter with each output containing data and noise

Publications (2)

Publication Number Publication Date
DE68911700D1 true DE68911700D1 (de) 1994-02-10
DE68911700T2 DE68911700T2 (de) 1994-04-28

Family

ID=22523620

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89100246T Expired - Fee Related DE68911700T2 (de) 1988-01-25 1989-01-09 Vorrichtung und Verfahren zur A/D Umsetzung mit Überabtastung.

Country Status (4)

Country Link
US (1) US4876542A (de)
EP (1) EP0325926B1 (de)
JP (1) JP2724489B2 (de)
DE (1) DE68911700T2 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2650711B2 (ja) * 1988-03-25 1997-09-03 株式会社日立製作所 オーバーサンプリングａ／ｄ変換器
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.
JPH07109991B2 (ja) * 1989-06-05 1995-11-22 日本ビクター株式会社 ノイズシェーピング型再量子化回路
US4951052A (en) * 1989-07-10 1990-08-21 General Electric Company Correction of systematic error in an oversampled analog-to-digital converter
US5028924A (en) * 1990-03-02 1991-07-02 Motorola, Inc. Digital correction of gain mismatch in a sigma delta modulator
US4999625A (en) * 1990-03-02 1991-03-12 Motorola, Inc. Generation of a digital correction signal to compensate for gain mismatches in a sigma delta modulator
US5103229A (en) * 1990-04-23 1992-04-07 General Electric Company Plural-order sigma-delta analog-to-digital converters using both single-bit and multiple-bit quantization
US5148166A (en) * 1990-04-06 1992-09-15 General Electric Company Third order sigma delta oversampled analog-to-digital converter network with low component sensitivity
US5065157A (en) * 1990-04-06 1991-11-12 General Electric Company High order sigma delta oversampled analog-to-digital converter integrated circuit network with minimal power dissipation and chip area requirements
US5153593A (en) * 1990-04-26 1992-10-06 Hughes Aircraft Company Multi-stage sigma-delta analog-to-digital converter
DE59008090D1 (de) * 1990-06-12 1995-02-02 Siemens Ag Überabtastender Analog-Digital-Umsetzer mit Rauschfilterung in Switched-Capacitor-Technik.
NL9001440A (nl) * 1990-06-22 1992-01-16 Philips Nv Analoog/digitaal signaal-omvormer met meervoudige sigma-delta modulator.
US5030954A (en) * 1990-09-17 1991-07-09 General Electric Company Double rate oversampled interpolative modulators for analog-to-digital conversion
US5142286A (en) * 1990-10-01 1992-08-25 General Electric Company Read-out photodiodes using sigma-delta oversampled analog-to-digital converters
US5084702A (en) * 1990-11-01 1992-01-28 General Electric Company Plural-order sigma-delta analog-to-digital converter using both single-bit and multiple-bit quantizers
US5030952A (en) * 1990-12-26 1991-07-09 Motorola, Inc. Sigma-delta type analog to digital converter with trimmed output and feedback
JPH04263518A (ja) * 1991-02-18 1992-09-18 Nippon Telegr & Teleph Corp <Ntt> Ａ／ｄ変換回路
US5164727A (en) * 1991-04-30 1992-11-17 Regents Of The Unversity Of California Optimal decoding method and apparatus for data acquisition applications of sigma delta modulators
DE4140132C2 (de) * 1991-12-05 1994-07-21 Blaupunkt Werke Gmbh Digitaler Oszillator
US5323391A (en) * 1992-10-26 1994-06-21 Motorola, Inc. Multi-channel digital transmitter and receiver
US5430890A (en) * 1992-11-20 1995-07-04 Blaupunkt-Werke Gmbh Radio receiver for mobile reception with sampling rate oscillator frequency being an integer-number multiple of reference oscillation frequency
US5414424A (en) * 1993-08-26 1995-05-09 Advanced Micro Devices, Inc. Fourth-order cascaded sigma-delta modulator
US5442354A (en) * 1993-08-26 1995-08-15 Advanced Micro Devices, Inc. Fourth-order cascaded sigma-delta modulator
US5590065A (en) * 1994-08-10 1996-12-31 Crystal Semiconductor Corporation Digital decimation filter for delta sigma analog-to-digital conversion with reduced hardware compelexity
GB2293740B (en) * 1994-09-29 1999-02-03 Sony Uk Ltd Signal processing apparatus
US5621675A (en) * 1994-11-02 1997-04-15 Advanced Micro Devices, Inc. Digital decimation and compensation filter system
US5646621A (en) * 1994-11-02 1997-07-08 Advanced Micro Devices, Inc. Delta-sigma ADC with multi-stage decimation filter and gain compensation filter
US5648779A (en) * 1994-12-09 1997-07-15 Advanced Micro Devices, Inc. Sigma-delta modulator having reduced delay from input to output
US5668836A (en) * 1994-12-29 1997-09-16 Motorola, Inc. Split frequency band signal digitizer and method
US5579341A (en) * 1994-12-29 1996-11-26 Motorola, Inc. Multi-channel digital transceiver and method
US5602874A (en) * 1994-12-29 1997-02-11 Motorola, Inc. Method and apparatus for reducing quantization noise
US5754597A (en) * 1994-12-29 1998-05-19 Motorola, Inc. Method and apparatus for routing a digitized RF signal to a plurality of paths
CA2181807C (en) * 1994-12-29 1999-09-28 Robert C. Elder Wideband frequency signal digitizer and method
US5748683A (en) * 1994-12-29 1998-05-05 Motorola, Inc. Multi-channel transceiver having an adaptive antenna array and method
US5757867A (en) * 1995-03-30 1998-05-26 The United States Of America As Represented By The Secretary Of The Navy Digital mixing to baseband decimation filter
US5710763A (en) * 1995-07-31 1998-01-20 Motorola, Inc. Filtered fast Fourier transmultiplexer and method
US5732004A (en) * 1995-11-14 1998-03-24 Advanced Micro Devices, Inc. DSP architecture for a FIR-type filter and method
US5751615A (en) * 1995-11-14 1998-05-12 Advanced Micro Devices, Inc. Implementation of a digital decimation filter and method
US5815102A (en) * 1996-06-12 1998-09-29 Audiologic, Incorporated Delta sigma pwm dac to reduce switching
US6256395B1 (en) 1998-01-30 2001-07-03 Gn Resound As Hearing aid output clipping apparatus
WO2000008765A2 (en) 1998-08-06 2000-02-17 Steensgaard Madsen Jesper Delta-sigma a/d converter
US6411242B1 (en) * 2000-06-13 2002-06-25 Linear Technology Corporation Oversampling analog-to-digital converter with improved DC offset performance
IES20000786A2 (en) 2000-09-29 2001-10-17 Univ College Cork Nat Univ Ie A subranging sigma delta modulator
WO2002056477A2 (en) * 2001-01-12 2002-07-18 Broadcom Corp Gain scaling for higher signal-to-noise ratios in multistage, multi-bit delta sigma modulators
US6927717B1 (en) 2004-02-12 2005-08-09 Linear Technology Corporation Buffered oversampling analog-to-digital converter with improved DC offset performance
US7479911B2 (en) * 2006-08-24 2009-01-20 Board Of Trustees Of Michigan State University Multiple input multiple output analog-to-digital converter
US7782239B2 (en) * 2008-10-28 2010-08-24 Robert Bosch Gmbh Multi-stage resettable sigma-delta converters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8101199A (nl) * 1981-03-12 1982-10-01 Philips Nv Systeem voor het kwantiseren van signalen.
FR2533382B1 (fr) * 1982-09-21 1988-01-22 Senn Patrice Codeur de type delta-sigma, a double integration et applications de ce codeur a une voie de transmission de type mic et a la mesure de tensions continues
EP0190694B1 (de) * 1985-02-04 1991-06-12 Nippon Telegraph And Telephone Corporation Konverter mit Überabtastung
US4704600A (en) * 1985-02-04 1987-11-03 Nippon Telegraph And Telephone Corporation Oversampling converter
JPH0797749B2 (ja) * 1986-05-16 1995-10-18 沖電気工業株式会社 アナログ・デイジタル変換器のデルタ・シグマ変調回路

Also Published As

Publication number Publication date
EP0325926B1 (de) 1993-12-29
EP0325926A3 (en) 1990-04-11
JPH01215127A (ja) 1989-08-29
US4876542A (en) 1989-10-24
DE68911700T2 (de) 1994-04-28
JP2724489B2 (ja) 1998-03-09
EP0325926A2 (de) 1989-08-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee