KR930006748B1 - Digital correction circuit for data converter - Google Patents

Digital correction circuit for data converter

Info

Publication number
KR930006748B1
KR930006748B1 KR9070659A KR900700659A KR930006748B1 KR 930006748 B1 KR930006748 B1 KR 930006748B1 KR 9070659 A KR9070659 A KR 9070659A KR 900700659 A KR900700659 A KR 900700659A KR 930006748 B1 KR930006748 B1 KR 930006748B1
Authority
KR
South Korea
Prior art keywords
correction circuit
data converter
digital correction
digital
converter
Prior art date
Application number
KR9070659A
Other languages
English (en)
Other versions
KR900702664A (ko
Inventor
Lawance E Larson
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 KR900702664A publication Critical patent/KR900702664A/ko
Application granted granted Critical
Publication of KR930006748B1 publication Critical patent/KR930006748B1/ko

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)
KR9070659A 1988-07-29 1990-03-28 Digital correction circuit for data converter KR930006748B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US226,108 1988-07-29
US07/226,108 US4977403A (en) 1988-07-29 1988-07-29 Digital correction circuit for data converters
PCT/US1989/002662 WO1990001836A1 (en) 1988-07-29 1989-06-19 Digital correction circuit for data converters

Publications (2)

Publication Number Publication Date
KR900702664A KR900702664A (ko) 1990-12-08
KR930006748B1 true KR930006748B1 (en) 1993-07-23

Family

ID=22847586

Family Applications (1)

Application Number Title Priority Date Filing Date
KR9070659A KR930006748B1 (en) 1988-07-29 1990-03-28 Digital correction circuit for data converter

Country Status (7)

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

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
WO2001065732A2 (en) * 2000-02-29 2001-09-07 General Instrument Corporation 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
DE68919204D1 (de) 1994-12-08
JPH03500478A (ja) 1991-01-31
IL90796A (en) 1994-07-31
EP0381715A1 (en) 1990-08-16
WO1990001836A1 (en) 1990-02-22
IL90796A0 (en) 1990-01-18
EP0381715B1 (en) 1994-11-02
US4977403A (en) 1990-12-11
KR900702664A (ko) 1990-12-08

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee