IL90796A - Digital correction circuit for data bearings - Google Patents

Digital correction circuit for data bearings

Info

Publication number
IL90796A
IL90796A IL9079689A IL9079689A IL90796A IL 90796 A IL90796 A IL 90796A IL 9079689 A IL9079689 A IL 9079689A IL 9079689 A IL9079689 A IL 9079689A IL 90796 A IL90796 A IL 90796A
Authority
IL
Israel
Prior art keywords
digital
converter
analog
signal
improved
Prior art date
Application number
IL9079689A
Other languages
English (en)
Hebrew (he)
Other versions
IL90796A0 (en
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL90796A0 publication Critical patent/IL90796A0/xx
Publication of IL90796A publication Critical patent/IL90796A/en

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
    • H03M3/02—Delta modulation, i.e. one-bit differential 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
    • H03M3/38—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
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/464—Details of the digital/analogue conversion in the feedback path
    • 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
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IL9079689A 1988-07-29 1989-06-29 Digital correction circuit for data bearings IL90796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/226,108 US4977403A (en) 1988-07-29 1988-07-29 Digital correction circuit for data converters

Publications (2)

Publication Number Publication Date
IL90796A0 IL90796A0 (en) 1990-01-18
IL90796A true IL90796A (en) 1994-07-31

Family

ID=22847586

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9079689A IL90796A (en) 1988-07-29 1989-06-29 Digital correction circuit for data bearings

Country Status (7)

Country Link
US (1) US4977403A (de)
EP (1) EP0381715B1 (de)
JP (1) JPH03500478A (de)
KR (1) KR930006748B1 (de)
DE (1) DE68919204D1 (de)
IL (1) IL90796A (de)
WO (1) WO1990001836A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3011424B2 (ja) * 1990-01-24 2000-02-21 株式会社東芝 Ａ／ｄ変換器
US5153593A (en) * 1990-04-26 1992-10-06 Hughes Aircraft Company Multi-stage sigma-delta analog-to-digital converter
US5187482A (en) * 1992-03-02 1993-02-16 General Electric Company Delta sigma analog-to-digital converter with increased dynamic range
US5208596A (en) * 1992-04-10 1993-05-04 Rca Thomson Licensing Corporation DAC distortion compensation
US5257026A (en) * 1992-04-17 1993-10-26 Crystal Semiconductor, Inc. Method and apparatus for calibrating a multi-bit delta-sigma modular
US5583501A (en) * 1994-08-24 1996-12-10 Crystal Semiconductor Corporation Digital-to-analog converter with digital linearity correction
JP3310114B2 (ja) * 1994-09-14 2002-07-29 株式会社東芝 周波数変換機能を有するａ／ｄ変換装置およびこれを用いた無線機
US5736950A (en) * 1995-01-31 1998-04-07 The United States Of America As Represented By The Secretary Of The Navy Sigma-delta modulator with tunable signal passband
US5798724A (en) * 1996-02-14 1998-08-25 Harris Corporation Interpolating digital to analog converter architecture for improved spurious signal suppression
US5815102A (en) * 1996-06-12 1998-09-29 Audiologic, Incorporated Delta sigma pwm dac to reduce switching
JPH1127151A (ja) * 1997-07-02 1999-01-29 Sony Corp シグマデルタ変調器
US6256395B1 (en) 1998-01-30 2001-07-03 Gn Resound As Hearing aid output clipping apparatus
US6463093B1 (en) 1998-07-30 2002-10-08 Airnet Communications Corporation Method and apparatus to reduce spurious and intermodulation products in wireless broadband multi-carrier digital transceiver equipment through static non-linearity correction of digital conversion components
US6414613B1 (en) * 2000-01-05 2002-07-02 Motorola, Inc. Apparatus for noise shaping a pulse width modulation (PWM) signal and method therefor
US20020010942A1 (en) * 2000-02-29 2002-01-24 Howald Robert L. Application of digital processing scheme for enhanced cable television network performance
US6404369B1 (en) * 2000-09-29 2002-06-11 Teradyne, Inc. Digital to analog converter employing sigma-delta loop and feedback DAC model
US6781537B1 (en) * 2003-06-10 2004-08-24 Nortel Networks Limited High speed digital to analog converter
US7453382B2 (en) * 2007-01-10 2008-11-18 Infineon Technologies Ag Method and apparatus for A/D conversion
WO2010018533A2 (en) * 2008-08-13 2010-02-18 Koninklijke Philips Electronics N.V. Analog to digital conversion circuit with automatic bias point determination and mr gradient systems using the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021799A (en) * 1970-05-18 1977-05-03 Fujitsu Ltd. Non-linear coding system
US4059800A (en) * 1976-06-30 1977-11-22 International Business Machines Corporation Digital multi-line companded delta modulator
US4308524A (en) * 1979-06-05 1981-12-29 Harrison Systems, Inc. Fast high resolution predictive analog-to-digital converter with error correction
JPS58197918A (ja) * 1982-05-14 1983-11-17 Nec Corp 適応差分復号器
JPH073955B2 (ja) * 1986-11-17 1995-01-18 株式会社日立製作所 符号器

Also Published As

Publication number Publication date
WO1990001836A1 (en) 1990-02-22
KR900702664A (ko) 1990-12-08
JPH03500478A (ja) 1991-01-31
EP0381715B1 (de) 1994-11-02
US4977403A (en) 1990-12-11
KR930006748B1 (en) 1993-07-23
IL90796A0 (en) 1990-01-18
EP0381715A1 (de) 1990-08-16
DE68919204D1 (de) 1994-12-08

Similar Documents

Publication Publication Date Title
US4977403A (en) Digital correction circuit for data converters
US5406283A (en) Multi-bit oversampled DAC with dynamic element matching
US5103229A (en) Plural-order sigma-delta analog-to-digital converters using both single-bit and multiple-bit quantization
US5977899A (en) Digital-to-analog converter using noise-shaped segmentation
US6518899B2 (en) Method and apparatus for spectral shaping of non-linearity in data converters
EP0559367B1 (de) Pseudo Multibit-Sigma-Delta-Analog-Digitalwandler
US6081218A (en) Five-level switched-capacitor DAC, method of operation thereof and sigma-delta converter employing the same
US6344812B1 (en) Delta sigma digital-to-analog converter
KR0157122B1 (ko) 디지탈 보상형 아날로그 디지탈 변환기
US5905453A (en) Dithered sigma delta modulator having programmable full scale range adjustment
US9214953B1 (en) Generalized data weighted averaging method for equally weighted multi-bit D/A elements
US5528239A (en) Low noise transmission of output data from a delta-sigma modulator
US20050001749A1 (en) Sigma-delta modulation
KR950010397B1 (ko) 오프셋 자동 보정 a/d 변환 회로
JP2011234154A (ja) アナログデジタル変換器およびその動作方法
JP2000078015A (ja) マルチビット型ｄ／ａ変換器及びデルタシグマ型ａ／ｄ変換器
US5936561A (en) Apparatus and methods for digitally compensated multi-bit sigma-delta analog-to-digital conversion
US6300892B2 (en) Linearized multibit digital/analog converter and its use in a multibit delta-sigma analog/digital converter
Kester Oversampling interpolating dacs
JPH04302223A (ja) 回路装置
JP2692289B2 (ja) 任意波形発生器
JP2001077692A (ja) Ｄ／ａ変換回路
JP3230227B2 (ja) Ａ／ｄコンバータ
US5008673A (en) Digital to analog converter enhancing conversion precision
JP3761782B2 (ja) 線形化されたマルチビットデジタル／アナログ変換器およびマルチビットデルタシグマアナログ／デジタル変換器におけるその適用

Legal Events

Date Code Title Description
RH Patent void