KR100545492B1 - 잡음 소거 회로 및 직교 다운컨버터 - Google Patents

잡음 소거 회로 및 직교 다운컨버터 Download PDF

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Publication number
KR100545492B1
KR100545492B1 KR1020007007582A KR20007007582A KR100545492B1 KR 100545492 B1 KR100545492 B1 KR 100545492B1 KR 1020007007582 A KR1020007007582 A KR 1020007007582A KR 20007007582 A KR20007007582 A KR 20007007582A KR 100545492 B1 KR100545492 B1 KR 100545492B1
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KR
South Korea
Prior art keywords
filter
bandpass
decimator
adc
noise canceling
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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.)
Expired - Fee Related
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KR1020007007582A
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English (en)
Korean (ko)
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KR20010033989A (ko
Inventor
렌나트 칼-액셀 마티
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콸콤 인코포레이티드
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    • 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
    • H03M3/344—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 by filtering other than the noise-shaping inherent to delta-sigma modulators, e.g. anti-aliasing
    • 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
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/402—Arrangements specific to bandpass modulators
    • 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
    • H03M3/414—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
    • H03M3/418—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type all these quantisers being single bit quantisers
    • 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
    • H03M3/462—Details relating to the decimation process

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Analogue/Digital Conversion (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
KR1020007007582A 1998-01-09 1999-01-11 잡음 소거 회로 및 직교 다운컨버터 Expired - Fee Related KR100545492B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/005,355 US6243430B1 (en) 1998-01-09 1998-01-09 Noise cancellation circuit in a quadrature downconverter
US09/005,355 1998-01-09
PCT/US1999/000580 WO1999035746A1 (en) 1998-01-09 1999-01-11 Noise cancellation circuit and quadrature downconverter

Publications (2)

Publication Number Publication Date
KR20010033989A KR20010033989A (ko) 2001-04-25
KR100545492B1 true KR100545492B1 (ko) 2006-01-24

Family

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Application Number Title Priority Date Filing Date
KR1020007007582A Expired - Fee Related KR100545492B1 (ko) 1998-01-09 1999-01-11 잡음 소거 회로 및 직교 다운컨버터

Country Status (14)

Country Link
US (1) US6243430B1 (enExample)
EP (1) EP1046232B1 (enExample)
JP (1) JP4162851B2 (enExample)
KR (1) KR100545492B1 (enExample)
CN (1) CN1168215C (enExample)
AU (1) AU758706B2 (enExample)
BR (1) BR9906807A (enExample)
CA (1) CA2315758C (enExample)
DE (1) DE69924233T2 (enExample)
ES (1) ES2237906T3 (enExample)
IL (1) IL136712A0 (enExample)
NO (1) NO326664B1 (enExample)
RU (1) RU2233023C2 (enExample)
WO (1) WO1999035746A1 (enExample)

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Also Published As

Publication number Publication date
WO1999035746A1 (en) 1999-07-15
CN1168215C (zh) 2004-09-22
JP4162851B2 (ja) 2008-10-08
DE69924233D1 (de) 2005-04-21
EP1046232B1 (en) 2005-03-16
NO20003499D0 (no) 2000-07-07
CA2315758C (en) 2008-03-18
BR9906807A (pt) 2001-10-23
NO326664B1 (no) 2009-01-26
DE69924233T2 (de) 2006-03-30
ES2237906T3 (es) 2005-08-01
KR20010033989A (ko) 2001-04-25
US6243430B1 (en) 2001-06-05
RU2233023C2 (ru) 2004-07-20
AU2315699A (en) 1999-07-26
NO20003499L (no) 2000-09-06
CN1300467A (zh) 2001-06-20
EP1046232A1 (en) 2000-10-25
CA2315758A1 (en) 1999-07-15
IL136712A0 (en) 2001-06-14
JP2002501319A (ja) 2002-01-15
AU758706B2 (en) 2003-03-27

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