CN1271483A - 在过取样的噪音整形信号处理器中通过限制脉冲来改善性能的方法和装置 - Google Patents

在过取样的噪音整形信号处理器中通过限制脉冲来改善性能的方法和装置 Download PDF

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Publication number
CN1271483A
CN1271483A CN98809346A CN98809346A CN1271483A CN 1271483 A CN1271483 A CN 1271483A CN 98809346 A CN98809346 A CN 98809346A CN 98809346 A CN98809346 A CN 98809346A CN 1271483 A CN1271483 A CN 1271483A
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China
Prior art keywords
signal
stage
processing circuit
output
signal processing
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Pending
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CN98809346A
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English (en)
Chinese (zh)
Inventor
A·S·特里帕蒂
C·L·德拉诺
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Tripath Technology Inc
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Tripath Technology Inc
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Publication of CN1271483A publication Critical patent/CN1271483A/zh
Pending legal-status Critical Current

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    • 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

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  • 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)
CN98809346A 1997-07-22 1998-07-20 在过取样的噪音整形信号处理器中通过限制脉冲来改善性能的方法和装置 Pending CN1271483A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/898,544 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

Publications (1)

Publication Number Publication Date
CN1271483A true CN1271483A (zh) 2000-10-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN98809346A Pending CN1271483A (zh) 1997-07-22 1998-07-20 在过取样的噪音整形信号处理器中通过限制脉冲来改善性能的方法和装置

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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CN106301296A (zh) * 2015-06-26 2017-01-04 飞思卡尔半导体公司 双积分器脉冲波整形器设备、系统和方法

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CN106301296B (zh) * 2015-06-26 2021-03-09 恩智浦美国有限公司 双积分器脉冲波整形器设备、系统和方法

Also Published As

Publication number Publication date
EP0998795A4 (en) 2004-03-17
DE69833553D1 (de) 2006-04-27
CA2296251A1 (en) 1999-02-04
JP4057774B2 (ja) 2008-03-05
EP0998795B1 (en) 2006-02-22
KR20010022060A (ko) 2001-03-15
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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