KR960006644B1 - Digital circuit device - Google Patents

Digital circuit device Download PDF

Info

Publication number
KR960006644B1
KR960006644B1 KR87014064A KR870014064A KR960006644B1 KR 960006644 B1 KR960006644 B1 KR 960006644B1 KR 87014064 A KR87014064 A KR 87014064A KR 870014064 A KR870014064 A KR 870014064A KR 960006644 B1 KR960006644 B1 KR 960006644B1
Authority
KR
South Korea
Prior art keywords
noise shaper
interpolation filter
output signal
digital circuit
digital
Prior art date
Application number
KR87014064A
Other languages
English (en)
Other versions
KR880008521A (ko
Inventor
Bradinal Berner
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of KR880008521A publication Critical patent/KR880008521A/ko
Application granted granted Critical
Publication of KR960006644B1 publication Critical patent/KR960006644B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • 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
    • H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
    • H03M7/3042—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator being of the error feedback type, i.e. having loop filter stages in the feedback path only
    • 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
    • H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M7/3026—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Communication Control (AREA)
  • Noise Elimination (AREA)
KR87014064A 1986-12-10 1987-12-10 Digital circuit device KR960006644B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLP3642168.5 1986-12-10
DE19863642168 DE3642168A1 (de) 1986-12-10 1986-12-10 Digitale schaltungsanordnung zur verringerung des quantisierungsrauschens

Publications (2)

Publication Number Publication Date
KR880008521A KR880008521A (ko) 1988-08-31
KR960006644B1 true KR960006644B1 (en) 1996-05-22

Family

ID=6315880

Family Applications (1)

Application Number Title Priority Date Filing Date
KR87014064A KR960006644B1 (en) 1986-12-10 1987-12-10 Digital circuit device

Country Status (7)

Country Link
US (1) US4859883A (ko)
EP (1) EP0271166B1 (ko)
JP (1) JP2613900B2 (ko)
KR (1) KR960006644B1 (ko)
AT (1) ATE103435T1 (ko)
BR (1) BR8706707A (ko)
DE (2) DE3642168A1 (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3744132A1 (de) * 1987-12-24 1989-07-06 Asea Brown Boveri Verfahren und schaltung zur unterdrueckung des quantisierungsrauschens
GB8829063D0 (en) * 1988-12-13 1989-01-25 British Telecomm Predictive coding and decoding
NL8901142A (nl) * 1989-05-08 1990-12-03 Philips Nv Inrichting voor het uitlezen van een op een registratiedrager aangebracht informatiepatroon, alsmede een signaalverwerkingsschakeling voor toepassing in een dergelijke inrichting.
US5057785A (en) * 1990-01-23 1991-10-15 International Business Machines Corporation Method and circuitry to suppress additive disturbances in data channels
GB9103777D0 (en) * 1991-02-22 1991-04-10 B & W Loudspeakers Analogue and digital convertors
DE69431223T2 (de) * 1993-06-29 2006-03-02 Sony Corp. Gerät und Verfahren zur Tonsignalübertragung
US5602874A (en) * 1994-12-29 1997-02-11 Motorola, Inc. Method and apparatus for reducing quantization noise
DE19509117C2 (de) * 1995-03-17 1997-02-27 Bosch Gmbh Robert Verfahren zur Überwachung der Übertragungsqualität digitalisierter Signale
US5708389A (en) * 1996-03-15 1998-01-13 Lucent Technologies Inc. Integrated circuit employing quantized feedback
DE19912447C2 (de) * 1999-03-19 2002-02-28 Micronas Gmbh Anordnung zum Erzeugen eines in seiner Bitbreite begrenzten digitalen Signals und Digital/Analog-Umsetzer mit vergrößertem Wertebereich
WO2003096542A1 (fr) * 2002-05-09 2003-11-20 Neuro Solution Corp. Convertisseur numerique-analogique
EP1712004A2 (en) * 2004-01-28 2006-10-18 Koninklijke Philips Electronics N.V. A da-converter system and a method for converting a multi-bit digital signal to an analog signal
US6956513B1 (en) * 2004-10-22 2005-10-18 Broadcom Corporation Error feedback structure for delta-sigma modulators with improved stability
CN109690955A (zh) * 2017-06-15 2019-04-26 深圳市汇顶科技股份有限公司 噪声整形电路与三角积分数模转换器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109110A (en) * 1975-02-20 1978-08-22 International Standard Electric Corporation Digital-to-analog converter
NL173339C (nl) * 1978-11-30 1984-01-02 Philips Nv Digitaal-analoog omzetter.
DE3021012C2 (de) * 1980-06-03 1985-08-22 ANT Nachrichtentechnik GmbH, 7150 Backnang Verallgemeinertes interpolativers Verfahren zur Digital-Analog-Umsetzung von PCM Signalen
GB8427325D0 (en) * 1984-10-29 1984-12-05 Plessey Co Plc Digital to analogue conversion
NL8600862A (nl) * 1986-04-04 1987-11-02 Philips Nv Kodeerinrichting.

Also Published As

Publication number Publication date
EP0271166A3 (de) 1991-06-26
DE3789426D1 (de) 1994-04-28
KR880008521A (ko) 1988-08-31
EP0271166A2 (de) 1988-06-15
ATE103435T1 (de) 1994-04-15
JP2613900B2 (ja) 1997-05-28
US4859883A (en) 1989-08-22
BR8706707A (pt) 1988-07-19
JPS63161713A (ja) 1988-07-05
EP0271166B1 (de) 1994-03-23
DE3642168A1 (de) 1988-06-16

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Legal Events

Date Code Title Description
A201 Request for examination
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