DE69107059T2 - Sigma-delta-modulator. - Google Patents

Sigma-delta-modulator.

Info

Publication number
DE69107059T2
DE69107059T2 DE69107059T DE69107059T DE69107059T2 DE 69107059 T2 DE69107059 T2 DE 69107059T2 DE 69107059 T DE69107059 T DE 69107059T DE 69107059 T DE69107059 T DE 69107059T DE 69107059 T2 DE69107059 T2 DE 69107059T2
Authority
DE
Germany
Prior art keywords
delta modulator
sigma delta
sigma
modulator
delta
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.)
Expired - Lifetime
Application number
DE69107059T
Other languages
English (en)
Other versions
DE69107059D1 (en
Inventor
Paul Ferguson
Apparajan Ganesan
Robert Adams
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Analog Devices Inc
Original Assignee
Analog Devices 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
Priority claimed from US07/472,706 external-priority patent/US5055843A/en
Application filed by Analog Devices Inc filed Critical Analog Devices Inc
Application granted granted Critical
Publication of DE69107059D1 publication Critical patent/DE69107059D1/de
Publication of DE69107059T2 publication Critical patent/DE69107059T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/02—Manually-operated control
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
    • H03M7/3033—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs
    • H03M7/3035—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs with provisions for rendering the modulator inherently stable, e.g. by restricting the swing within the loop, by removing part of the zeroes using local feedback loops, by positioning zeroes outside the unit circle causing the modulator to operate in a chaotic regime
    • 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
    • H03M3/44—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 provisions for rendering the modulator inherently stable
    • H03M3/446—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 provisions for rendering the modulator inherently stable by a particular choice of poles or zeroes in the z-plane, e.g. by positioning zeroes outside the unit circle, i.e. causing the modulator to operate in a chaotic regime
    • 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
    • H03M3/45—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 feedforward inputs, i.e. with forward paths from the modulator input to more than one filter stage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M7/3028—Structural details of digital 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
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
    • H03M7/3033—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs
    • H03M7/304—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
DE69107059T 1990-01-31 1991-01-31 Sigma-delta-modulator. Expired - Lifetime DE69107059T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/472,706 US5055843A (en) 1990-01-31 1990-01-31 Sigma delta modulator with distributed prefiltering and feedback
US49894190A 1990-03-26 1990-03-26
PCT/US1991/000686 WO1991011863A1 (en) 1990-01-31 1991-01-31 Sigma delta modulator

Publications (2)

Publication Number Publication Date
DE69107059D1 DE69107059D1 (en) 1995-03-09
DE69107059T2 true DE69107059T2 (de) 1995-08-24

Family

ID=27043873

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69107059T Expired - Lifetime DE69107059T2 (de) 1990-01-31 1991-01-31 Sigma-delta-modulator.
DE69123366T Expired - Lifetime DE69123366T2 (de) 1990-01-31 1991-01-31 Digitale Rauschformerschaltung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69123366T Expired - Lifetime DE69123366T2 (de) 1990-01-31 1991-01-31 Digitale Rauschformerschaltung

Country Status (5)

Country Link
US (1) US5311181A (de)
EP (2) EP0586021B1 (de)
JP (1) JPH05505287A (de)
DE (2) DE69107059T2 (de)
WO (1) WO1991011863A1 (de)

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JPH0738561B2 (ja) * 1993-02-15 1995-04-26 日本電気株式会社 ディジタルフィルタ回路
US5357252A (en) * 1993-03-22 1994-10-18 Motorola, Inc. Sigma-delta modulator with improved tone rejection and method therefor
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JP3310114B2 (ja) * 1994-09-14 2002-07-29 株式会社東芝 周波数変換機能を有するａ／ｄ変換装置およびこれを用いた無線機
US5757299A (en) * 1994-09-30 1998-05-26 Yamaha Corporation Analog-Digital converter using delta sigma modulation digital filtering, and gain-scaling
US5621675A (en) * 1994-11-02 1997-04-15 Advanced Micro Devices, Inc. Digital decimation and compensation filter system
US5646621A (en) * 1994-11-02 1997-07-08 Advanced Micro Devices, Inc. Delta-sigma ADC with multi-stage decimation filter and gain compensation filter
JPH10509544A (ja) * 1994-11-02 1998-09-14 アドバンスト・マイクロ・ディバイシス・インコーポレーテッド モノリシックｐｃオーディオ回路
US5563535A (en) * 1994-11-29 1996-10-08 Microunity Systems Engineering, Inc. Direct digital frequency synthesizer using sigma-delta techniques
US5648779A (en) * 1994-12-09 1997-07-15 Advanced Micro Devices, Inc. Sigma-delta modulator having reduced delay from input to output
US5838270A (en) * 1995-01-12 1998-11-17 Texas Instruments Incorporated Second order and cascaded 2-1 oversampled modulators with improved dynamic range
US5736950A (en) * 1995-01-31 1998-04-07 The United States Of America As Represented By The Secretary Of The Navy Sigma-delta modulator with tunable signal passband
WO1996025795A1 (en) * 1995-02-16 1996-08-22 Telefonaktiebolaget Lm Ericsson A fast sigma-delta modulator having a controlled clock generator
US5732002A (en) * 1995-05-23 1998-03-24 Analog Devices, Inc. Multi-rate IIR decimation and interpolation filters
WO1996037951A1 (en) * 1995-05-23 1996-11-28 Analog Devices, Inc. Switched capacitor offset suppression
US5949360A (en) * 1995-09-06 1999-09-07 Yamaha Corporation Analog/digital converter utilizing time-shared integrating circuitry
US5796359A (en) * 1995-10-25 1998-08-18 Norand Corporation Data conversion and processing system
US5751615A (en) * 1995-11-14 1998-05-12 Advanced Micro Devices, Inc. Implementation of a digital decimation filter and method
US5732004A (en) * 1995-11-14 1998-03-24 Advanced Micro Devices, Inc. DSP architecture for a FIR-type filter and method
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JP3392670B2 (ja) * 1996-11-28 2003-03-31 株式会社東芝 サンプリング装置
US6005500A (en) * 1997-06-06 1999-12-21 Rosemount, Inc. Transmitter with improved analog to digital converter
US6218972B1 (en) * 1997-09-11 2001-04-17 Rockwell Science Center, Inc. Tunable bandpass sigma-delta digital receiver
US5982315A (en) * 1997-09-12 1999-11-09 Qualcomm Incorporated Multi-loop Σ Δ analog to digital converter
US6600789B1 (en) 1997-10-09 2003-07-29 Atmel Corporation Signal processing method and device
FI103745B1 (fi) * 1997-10-09 1999-08-31 Atmel Corp Signaalinkäsittelymenetelmä ja -laite
GB2330708B (en) * 1997-10-24 2001-07-04 Sony Uk Ltd Cascaded delta sigma modulators
US6498926B1 (en) 1997-12-09 2002-12-24 Qualcomm Incorporated Programmable linear receiver having a variable IIP3 point
US6005506A (en) * 1997-12-09 1999-12-21 Qualcomm, Incorporated Receiver with sigma-delta analog-to-digital converter for sampling a received signal
US6614285B2 (en) * 1998-04-03 2003-09-02 Cirrus Logic, Inc. Switched capacitor integrator having very low power and low distortion and noise
EP1088397B1 (de) * 1999-04-21 2004-11-17 Koninklijke Philips Electronics N.V. Sigma-delta analog-digital-wandler
DE50008004D1 (de) 1999-05-05 2004-11-04 Infineon Technologies Ag Sigma-delta-analog/digital-wandleranordnung
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US6600788B1 (en) * 1999-09-10 2003-07-29 Xilinx, Inc. Narrow-band filter including sigma-delta modulator implemented in a programmable logic device
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US6473017B1 (en) * 2000-03-13 2002-10-29 Research Foundation Of The City University Of New York One-bit second order sigma-delta modulator including a polynomial vector quantizer
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JP4890503B2 (ja) * 2008-06-17 2012-03-07 旭化成エレクトロニクス株式会社 デルタシグマ変調器
US8665127B2 (en) * 2010-12-08 2014-03-04 National Semiconductor Corporation Σ-Δ difference-of-squares RMS to DC converter with multiple feedback paths
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Also Published As

Publication number Publication date
EP0586021A1 (de) 1994-03-09
EP0586021B1 (de) 1996-11-27
EP0513241A1 (de) 1992-11-19
DE69107059D1 (en) 1995-03-09
DE69123366D1 (de) 1997-01-09
WO1991011863A1 (en) 1991-08-08
EP0513241B1 (de) 1995-01-25
JPH05505287A (ja) 1993-08-05
DE69123366T2 (de) 1997-03-27
US5311181A (en) 1994-05-10

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