KR20010022060A - 오버샘플링 잡음-정형 신호처리기의 펄스들을 검정하여성능을 개선하기 위한 방법 및 장치 - Google Patents

오버샘플링 잡음-정형 신호처리기의 펄스들을 검정하여성능을 개선하기 위한 방법 및 장치 Download PDF

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Publication number
KR20010022060A
KR20010022060A KR1020007000629A KR20007000629A KR20010022060A KR 20010022060 A KR20010022060 A KR 20010022060A KR 1020007000629 A KR1020007000629 A KR 1020007000629A KR 20007000629 A KR20007000629 A KR 20007000629A KR 20010022060 A KR20010022060 A KR 20010022060A
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KR
South Korea
Prior art keywords
signal
stage
processing circuit
signal processing
output
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.)
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KR1020007000629A
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English (en)
Korean (ko)
Inventor
아디야 에스. 트라이패씨
캐리 엘. 델라노
Original Assignee
추후제출
트라이패쓰 테크놀로지, 인코포레이티드
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Publication of KR20010022060A publication Critical patent/KR20010022060A/ko
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta 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
    • H03M3/322—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
    • H03M3/376—Prevention or reduction of switching transients, e.g. glitches
    • 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
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
    • 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
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/454—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Amplifiers (AREA)
KR1020007000629A 1997-07-22 1998-07-20 오버샘플링 잡음-정형 신호처리기의 펄스들을 검정하여성능을 개선하기 위한 방법 및 장치 Withdrawn KR20010022060A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8/898,544 1997-07-22
US08/898,544 US5974089A (en) 1997-07-22 1997-07-22 Method and apparatus for performance improvement by qualifying pulses in an oversampled noise-shaping signal processor
PCT/US1998/015266 WO1999005806A1 (en) 1997-07-22 1998-07-20 Method and apparatus for performance improvement by qualifying pulses in an oversampled, noise-shaping signal processor

Publications (1)

Publication Number Publication Date
KR20010022060A true KR20010022060A (ko) 2001-03-15

Family

ID=25409603

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020007000629A Withdrawn KR20010022060A (ko) 1997-07-22 1998-07-20 오버샘플링 잡음-정형 신호처리기의 펄스들을 검정하여성능을 개선하기 위한 방법 및 장치

Country Status (9)

Country Link
US (1) US5974089A (enExample)
EP (1) EP0998795B1 (enExample)
JP (1) JP4057774B2 (enExample)
KR (1) KR20010022060A (enExample)
CN (1) CN1271483A (enExample)
AT (1) ATE318470T1 (enExample)
CA (1) CA2296251A1 (enExample)
DE (1) DE69833553T2 (enExample)
WO (1) WO1999005806A1 (enExample)

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Also Published As

Publication number Publication date
EP0998795A4 (en) 2004-03-17
CN1271483A (zh) 2000-10-25
DE69833553D1 (de) 2006-04-27
CA2296251A1 (en) 1999-02-04
JP4057774B2 (ja) 2008-03-05
EP0998795B1 (en) 2006-02-22
DE69833553T2 (de) 2006-12-14
WO1999005806A1 (en) 1999-02-04
ATE318470T1 (de) 2006-03-15
JP2001511618A (ja) 2001-08-14
US5974089A (en) 1999-10-26
EP0998795A1 (en) 2000-05-10

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20000120

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid