SE0000699D0 - Krets och förfarande för dämpning av brus i en dataomvandlare - Google Patents

Krets och förfarande för dämpning av brus i en dataomvandlare

Info

Publication number
SE0000699D0
SE0000699D0 SE0000699A SE0000699A SE0000699D0 SE 0000699 D0 SE0000699 D0 SE 0000699D0 SE 0000699 A SE0000699 A SE 0000699A SE 0000699 A SE0000699 A SE 0000699A SE 0000699 D0 SE0000699 D0 SE 0000699D0
Authority
SE
Sweden
Prior art keywords
data converter
circuit
output signal
suppressing noise
clock generator
Prior art date
Application number
SE0000699A
Other languages
English (en)
Other versions
SE0000699L (sv
SE514843C2 (sv
Inventor
Joseph Y Chan
David Yatim
Kiyoshi Kase
Paul Astrachan
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 SE0000699D0 publication Critical patent/SE0000699D0/sv
Publication of SE0000699L publication Critical patent/SE0000699L/sv
Publication of SE514843C2 publication Critical patent/SE514843C2/sv

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
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
    • 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
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/368—Continuously compensating for, or preventing, undesired influence of physical parameters of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators
    • H03M3/37—Compensation or reduction of delay or phase error
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
SE0000699A 1999-03-08 2000-03-03 Krets och förfarande för dämpning av brus i en dataomvandlare SE514843C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/265,238 US6137429A (en) 1999-03-08 1999-03-08 Circuit and method for attenuating noise in a data converter

Publications (3)

Publication Number Publication Date
SE0000699D0 true SE0000699D0 (sv) 2000-03-03
SE0000699L SE0000699L (sv) 2000-09-09
SE514843C2 SE514843C2 (sv) 2001-04-30

Family

ID=23009606

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0000699A SE514843C2 (sv) 1999-03-08 2000-03-03 Krets och förfarande för dämpning av brus i en dataomvandlare

Country Status (5)

Country Link
US (1) US6137429A (sv)
JP (1) JP4514881B2 (sv)
CN (1) CN1269641A (sv)
FI (1) FI114590B (sv)
SE (1) SE514843C2 (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6791404B1 (en) 1999-07-01 2004-09-14 Broadcom Corporation Method and apparatus for efficient mixed signal processing in a digital amplifier
US6278394B1 (en) * 1999-09-21 2001-08-21 Motorola, Inc. Signal processing circuit and method of operation
SE0104403D0 (sv) * 2001-12-21 2001-12-21 Bang & Olufsen Powerhouse As Attenuation control for digital power converters
US7042378B2 (en) * 2002-01-30 2006-05-09 Koninklijke Philips Electronics N.V. Circuit with a digital to analog converter
DE102004039725A1 (de) * 2004-08-11 2006-02-23 Micronas Gmbh Rauschformerschaltung und Verfahren zum Reduzieren eines Schaltgeräusches
CN100512014C (zh) * 2005-04-05 2009-07-08 中兴通讯股份有限公司 一种降低模拟数字转换***工作噪声的电路
US7138935B1 (en) * 2005-09-26 2006-11-21 Ess Technology, Inc. Low noise digital to signal interval converter with audio applications
US7116257B1 (en) * 2005-09-26 2006-10-03 Ess Technology, Inc. Low noise digital to analog converter with audio applications
US7724792B2 (en) * 2006-03-03 2010-05-25 Mindspeed Technologies, Inc. Driving laser diodes with immunity to temperature changes, aging, and other effects
US7890684B2 (en) * 2006-08-31 2011-02-15 Standard Microsystems Corporation Two-cycle return path clocking
US7693493B2 (en) * 2007-06-29 2010-04-06 Intel Corporation Reducing amplitude modulated noise for a wireless transceiver
GB2507332B (en) 2012-10-26 2016-09-14 Cirrus Logic Int Semiconductor Ltd Digital/analogue conversion
US9141339B2 (en) * 2012-12-12 2015-09-22 Djuro Zrilic Delta-modulation signal processors: linear, nonlinear and mixed
US9575729B1 (en) * 2015-12-03 2017-02-21 Djuro G. Zrilic Digital architecture for delta-sigma RMS-to-DC converter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03143027A (ja) * 1989-10-27 1991-06-18 Fujitsu Ltd ３値出力形ｄ／ａ変換器
JPH07118652B2 (ja) * 1990-10-12 1995-12-18 ヤマハ株式会社 Ｄａ変換装置
JPH04243326A (ja) * 1991-01-18 1992-08-31 Nec Corp オーバサンプリングｄ−ａ変換器
JP2777291B2 (ja) * 1991-04-30 1998-07-16 株式会社東芝 アナログ・ディジタル混在集積回路
JPH0537385A (ja) * 1991-07-08 1993-02-12 Yokogawa Electric Corp Σδｄ／ａ変換器およびσδ変調器
US5323157A (en) * 1993-01-15 1994-06-21 Motorola, Inc. Sigma-delta digital-to-analog converter with reduced noise
US5357252A (en) * 1993-03-22 1994-10-18 Motorola, Inc. Sigma-delta modulator with improved tone rejection and method therefor
JP3145860B2 (ja) * 1994-04-27 2001-03-12 旭化成マイクロシステム株式会社 Ｄａ変換器
JP3238587B2 (ja) * 1994-12-27 2001-12-17 バー−ブラウン・コーポレーション 自動ミューティング機能を備えたオーバーサンプリング型デジタル−アナログ変換器
US5608401A (en) * 1994-12-28 1997-03-04 Lucent Technologies Inc. Three-level digital-to-analog converter for low-power consumption
KR0170720B1 (ko) * 1995-12-29 1999-03-30 김광호 디지탈/아날로그 변환기 인터페이스 장치
JPH1013232A (ja) * 1996-06-24 1998-01-16 Kokusai Electric Co Ltd Ｄａｃ用クロック位相調整回路

Also Published As

Publication number Publication date
SE0000699L (sv) 2000-09-09
JP2000269818A (ja) 2000-09-29
US6137429A (en) 2000-10-24
FI20000512A (sv) 2000-09-08
FI114590B (sv) 2004-11-15
FI20000512A0 (sv) 2000-03-06
CN1269641A (zh) 2000-10-11
SE514843C2 (sv) 2001-04-30
JP4514881B2 (ja) 2010-07-28

Similar Documents

Publication Publication Date Title
SE0000699L (sv) Krets och förfarande för dämpning av brus i en dataomvandlare
SE9701986L (sv) Anordning och förfarande för reducering av periodiskt brus i en sigma-delta modulator
AU2567297A (en) Conversion of a pcm signal into a upwm signal
DE68916446D1 (de) Delta-sigma-Modulator.
SE9700170D0 (sv) Data adapter
DE68911097D1 (de) Adaptive Vorverzerrungsschaltung.
DE68912277D1 (de) Ausgangspufferschaltung.
GB2266204B (en) Low noise transmission of output data from a delta-sigma modulator
FI883790A (fi) En kombinerad analog/digital frekvensmodulator.
DE69202341D1 (de) Gasturbinenkreislauf.
TW237584B (en) Device and method for testing a dithered analog-to-digital converter
DE69205064D1 (de) Quartz-Schaltung mit niedriger Leistung.
EE200000692A (et) Eelsalvestatud sigma-delta väärtused võimsusvõimendi juhtimiseks
SE0104403D0 (sv) Attenuation control for digital power converters
FI922989A0 (fi) Digitalisk sigma-delta modulator och aritmetisk spillskyddad adderare.
MXPA04004152A (es) Dispositivo de audio digital.
CA2431297A1 (en) Switching amplification apparatus
DE68923100D1 (de) Formatwandlerschaltung für Digitaldaten.
FI103745B1 (sv) Signalbehandlingförfarande och -anordning
SE9602679L (sv) Förfarande och arrangemang för att styra driftsmoden i en abonnentlinjekrets
DE68914417D1 (de) Elektronischer Fernsprechapparat.
DE60010873D1 (de) Schnittstelle
WO1999026348A3 (en) Subscriber line interface circuit
DE69429276D1 (de) Stromversorgungsmodulatorschaltung für sender
DE60040248D1 (de) Integrierter Schaltkreis mit Delta-Sigma Modulator mit Zweistufenquantisierung

Legal Events

Date Code Title Description
NUG Patent has lapsed