FI920378A - Menetelmä sigma-delta-modulaattorien kytkemiseksi kaskadiin ja sigma-delta-modulaattorijärjestelmä - Google Patents

Menetelmä sigma-delta-modulaattorien kytkemiseksi kaskadiin ja sigma-delta-modulaattorijärjestelmä Download PDF

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Publication number
FI920378A
FI920378A FI920378A FI920378A FI920378A FI 920378 A FI920378 A FI 920378A FI 920378 A FI920378 A FI 920378A FI 920378 A FI920378 A FI 920378A FI 920378 A FI920378 A FI 920378A
Authority
FI
Finland
Prior art keywords
sigma
pct
delta
cascading
modulator
Prior art date
Application number
FI920378A
Other languages
English (en)
Swedish (sv)
Other versions
FI90296C (fi
FI920378A0 (fi
FI90296B (fi
Inventor
Tapani Ritoniemi
Teppo Karema
Hannu Tenhunen
Original Assignee
Tapani Ritoniemi
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 Tapani Ritoniemi filed Critical Tapani Ritoniemi
Publication of FI920378A0 publication Critical patent/FI920378A0/fi
Priority to FI920378A priority Critical patent/FI90296C/fi
Priority to AT93914539T priority patent/ATE159840T1/de
Priority to PCT/FI1993/000027 priority patent/WO1993015557A1/en
Priority to EP93914539A priority patent/EP0624290B1/en
Priority to JP05512955A priority patent/JP3113277B2/ja
Priority to US08/256,567 priority patent/US5629701A/en
Priority to DE69314939T priority patent/DE69314939T2/de
Publication of FI920378A publication Critical patent/FI920378A/fi
Application granted granted Critical
Publication of FI90296B publication Critical patent/FI90296B/fi
Publication of FI90296C publication Critical patent/FI90296C/fi
Priority to KR1019940702607A priority patent/KR100343757B1/ko

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—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
    • H03M3/412—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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FI920378A 1992-01-28 1992-01-28 Menetelmä sigma-delta-modulaattorien kytkemiseksi kaskadiin ja sigma-delta-modulaattorijärjestelmä FI90296C (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI920378A FI90296C (fi) 1992-01-28 1992-01-28 Menetelmä sigma-delta-modulaattorien kytkemiseksi kaskadiin ja sigma-delta-modulaattorijärjestelmä
JP05512955A JP3113277B2 (ja) 1992-01-28 1993-01-28 シグマ−デルタ変調器をカスケード結合するための方法，及びシグマ−デルタ変調システム
PCT/FI1993/000027 WO1993015557A1 (en) 1992-01-28 1993-01-28 Method for cascading sigma-delta modulators and a sigma-delta modulator system
EP93914539A EP0624290B1 (en) 1992-01-28 1993-01-28 Method for cascading sigma-delta modulators and a sigma-delta modulator system
AT93914539T ATE159840T1 (de) 1992-01-28 1993-01-28 Verfahren zur kaskadierung von sigma-delta modulatoren und ein sigma-delta modulatorsystem
US08/256,567 US5629701A (en) 1992-01-28 1993-01-28 Cascaded Nth order (N>2) feedforward sigma-delta modulators
DE69314939T DE69314939T2 (de) 1992-01-28 1993-01-28 Verfahren zur kaskadierung von sigma-delta modulatoren und ein sigma-delta modulatorsystem
KR1019940702607A KR100343757B1 (ko) 1992-01-28 1994-07-28 시그마-델타모듈레이터및시그마-델타모듈레이터시스템의캐스케이딩방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI920378 1992-01-28
FI920378A FI90296C (fi) 1992-01-28 1992-01-28 Menetelmä sigma-delta-modulaattorien kytkemiseksi kaskadiin ja sigma-delta-modulaattorijärjestelmä

Publications (4)

Publication Number Publication Date
FI920378A0 FI920378A0 (fi) 1992-01-28
FI920378A true FI920378A (fi) 1993-07-29
FI90296B FI90296B (fi) 1993-09-30
FI90296C FI90296C (fi) 1994-01-10

Family

ID=8534274

Family Applications (1)

Application Number Title Priority Date Filing Date
FI920378A FI90296C (fi) 1992-01-28 1992-01-28 Menetelmä sigma-delta-modulaattorien kytkemiseksi kaskadiin ja sigma-delta-modulaattorijärjestelmä

Country Status (8)

Country Link
US (1) US5629701A (fi)
EP (1) EP0624290B1 (fi)
JP (1) JP3113277B2 (fi)
KR (1) KR100343757B1 (fi)
AT (1) ATE159840T1 (fi)
DE (1) DE69314939T2 (fi)
FI (1) FI90296C (fi)
WO (1) WO1993015557A1 (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442354A (en) * 1993-08-26 1995-08-15 Advanced Micro Devices, Inc. Fourth-order cascaded sigma-delta modulator
US6348888B1 (en) * 1999-03-22 2002-02-19 Texas Instruments Incorporated Pipelined ADC with noise-shaped interstage gain error
WO2000069078A1 (de) 1999-05-05 2000-11-16 Infineon Technologies Ag Sigma-delta-analog/digital-wandleranordnung
US6408031B1 (en) * 1999-10-27 2002-06-18 Agere Systems Guardian Corp. Single bit Sigma Delta filter with input gain
DE60124451T2 (de) * 2000-05-30 2007-03-15 Matsushita Electric Industrial Co., Ltd., Kadoma Quadraturmodulator
JP3795338B2 (ja) * 2001-02-27 2006-07-12 旭化成マイクロシステム株式会社 全差動型サンプリング回路及びデルタシグマ型変調器
JP2002353815A (ja) * 2001-05-23 2002-12-06 Pioneer Electronic Corp デルタシグマ型ａｄ変換器
DE10205680B4 (de) * 2002-02-12 2010-06-02 Infineon Technologies Ag Ein-Punkt-Modulator mit PLL-Schaltung
US6788232B1 (en) * 2003-01-14 2004-09-07 Berkana Wireless, Inc. Sigma delta modulator
JP4141865B2 (ja) * 2003-03-11 2008-08-27 株式会社ルネサステクノロジ モジュレータ
JP3830924B2 (ja) * 2003-07-04 2006-10-11 松下電器産業株式会社 縦続型デルタシグマ変調器
US7034728B2 (en) * 2004-08-11 2006-04-25 Raytheon Company Bandpass delta-sigma modulator with distributed feedforward paths
TWI517596B (zh) * 2013-07-18 2016-01-11 瑞昱半導體股份有限公司 前饋式三角積分調變器
US10128875B1 (en) 2018-03-30 2018-11-13 Mitsubishi Electric Research Laboratories, Inc. Methods and system of a digital transmitter with reduced quantization noise

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01204528A (ja) * 1988-02-10 1989-08-17 Fujitsu Ltd Ａ／ｄ変換器
US4862169A (en) * 1988-03-25 1989-08-29 Motorola, Inc. Oversampled A/D converter using filtered, cascaded noise shaping modulators
US5055846A (en) * 1988-10-13 1991-10-08 Crystal Semiconductor Corporation Method for tone avoidance in delta-sigma converters
FI80548C (fi) * 1988-11-09 1990-06-11 Nokia Oy Ab Foerfarande foer kaskadkoppling av tvao eller flera sigma-deltamodulatorer samt ett sigma-delta-modulatorsystem.
US5153593A (en) * 1990-04-26 1992-10-06 Hughes Aircraft Company Multi-stage sigma-delta analog-to-digital converter
US5442354A (en) * 1993-08-26 1995-08-15 Advanced Micro Devices, Inc. Fourth-order cascaded sigma-delta modulator

Also Published As

Publication number Publication date
US5629701A (en) 1997-05-13
DE69314939T2 (de) 1998-03-05
ATE159840T1 (de) 1997-11-15
JP3113277B2 (ja) 2000-11-27
KR950700640A (ko) 1995-01-16
FI90296C (fi) 1994-01-10
EP0624290B1 (en) 1997-10-29
WO1993015557A1 (en) 1993-08-05
EP0624290A1 (en) 1994-11-17
KR100343757B1 (ko) 2002-11-23
FI920378A0 (fi) 1992-01-28
FI90296B (fi) 1993-09-30
DE69314939D1 (de) 1997-12-04
JPH07503346A (ja) 1995-04-06

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