JP2001503929A - オーバーサンプリングされたノイズ整形用の混合信号プロセッサ - Google Patents

オーバーサンプリングされたノイズ整形用の混合信号プロセッサ

Info

Publication number
JP2001503929A
JP2001503929A JP50300298A JP50300298A JP2001503929A JP 2001503929 A JP2001503929 A JP 2001503929A JP 50300298 A JP50300298 A JP 50300298A JP 50300298 A JP50300298 A JP 50300298A JP 2001503929 A JP2001503929 A JP 2001503929A
Authority
JP
Japan
Prior art keywords
signal
stage
integrator
feedback
input
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.)
Ceased
Application number
JP50300298A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001503929A5 (enExample
Inventor
エス． トリパシ，アダ
エル． デラノ，カリ
Original Assignee
トリパス テクノロジー，インコーポレイテッド
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 トリパス テクノロジー，インコーポレイテッド filed Critical トリパス テクノロジー，インコーポレイテッド
Publication of JP2001503929A publication Critical patent/JP2001503929A/ja
Publication of JP2001503929A5 publication Critical patent/JP2001503929A5/ja
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/38—Positive-feedback circuit arrangements without negative feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • 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
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit
    • 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
    • H03M3/358—Continuously compensating for, or preventing, undesired influence of physical parameters of non-linear distortion, e.g. instability
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
JP50300298A 1996-06-20 1997-05-28 オーバーサンプリングされたノイズ整形用の混合信号プロセッサ Ceased JP2001503929A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/667,925 1996-06-20
US08/667,925 US5777512A (en) 1996-06-20 1996-06-20 Method and apparatus for oversampled, noise-shaping, mixed-signal processing
PCT/US1997/009237 WO1997049175A1 (en) 1996-06-20 1997-05-28 Oversampled, noise-shaping, mixed-signal processor

Publications (2)

Publication Number Publication Date
JP2001503929A true JP2001503929A (ja) 2001-03-21
JP2001503929A5 JP2001503929A5 (enExample) 2005-02-10

Family

ID=24680235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50300298A Ceased JP2001503929A (ja) 1996-06-20 1997-05-28 オーバーサンプリングされたノイズ整形用の混合信号プロセッサ

Country Status (6)

Country Link
US (1) US5777512A (enExample)
EP (1) EP0906659A4 (enExample)
JP (1) JP2001503929A (enExample)
KR (1) KR100451806B1 (enExample)
TW (1) TW326603B (enExample)
WO (1) WO1997049175A1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002539660A (ja) * 1999-03-09 2002-11-19 トリパス テクノロジー インコーポレイテッド 混合信号出力のノイズシェーピングのための方法および装置
JP2007532033A (ja) * 2003-07-17 2007-11-08 イーエスエス テクノロジー インコーポレイテッド 信号処理装置及び方法
JP2010263483A (ja) * 2009-05-08 2010-11-18 Sony Corp Δς変調器
JP2012531835A (ja) * 2009-06-26 2012-12-10 シントロピー システムズ サンプリング／量子化変換器
CN113054927A (zh) * 2019-12-26 2021-06-29 辛纳普蒂克斯公司 低延迟、低功率且高线性度d类调制回路

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US5986598A (en) * 1997-12-19 1999-11-16 Motorola, Inc. Sigma delta data converter with feed-forward path to stabilize integrator signal swing
US5909153A (en) * 1998-02-05 1999-06-01 Tripath Technology, Inc. Method and apparatus for compensating for delays in modulator loops
DE69809710T2 (de) * 1998-04-03 2003-09-18 Stmicroelectronics S.R.L., Agrate Brianza Stabilisation eines einschleifigen Sigma Delta Modulators höherer Ordnung
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US6414614B1 (en) * 1999-02-23 2002-07-02 Cirrus Logic, Inc. Power output stage compensation for digital output amplifiers
US6246283B1 (en) * 1999-03-09 2001-06-12 Tripath Technology, Inc. Power efficient line driver
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US6791404B1 (en) * 1999-07-01 2004-09-14 Broadcom Corporation Method and apparatus for efficient mixed signal processing in a digital amplifier
WO2001067596A1 (en) * 2000-03-03 2001-09-13 Tripath Technology, Inc. Rf communication system using an rf digital amplifier
US6628166B2 (en) * 2000-03-03 2003-09-30 Tripath Technology, Inc. RF communication system using an RF digital amplifier
US6414560B2 (en) 2000-03-03 2002-07-02 Tripath Technology, Inc. Loop delay compensation for a digital power amplifier
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US6577194B2 (en) 2000-03-03 2003-06-10 Tripath Technology, Inc. Resonant gate drive technique for a digital power amplifier
US6549069B2 (en) 2000-03-03 2003-04-15 Tripath Technology, Inc. Self-timed switching for a digital power amplifier
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JP2003534691A (ja) * 2000-05-25 2003-11-18 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｐｗｍリミタ
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US6466087B2 (en) * 2000-12-28 2002-10-15 Nokia Mobile Phones, Ltd. Method and apparatus providing digital error correction for a class D power stage
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SE520530C2 (sv) * 2001-04-26 2003-07-22 Ericsson Telefon Ab L M Linjäriserad omkopplarbaserad effektförstärkare
GB0110340D0 (en) * 2001-04-27 2001-06-20 Watts Robert D A signal processing circuit
US6836231B2 (en) * 2001-05-30 2004-12-28 Radiodetection Limited Signal generator
US6504427B2 (en) * 2001-05-31 2003-01-07 Motorola, Inc. Switching amplifier having digital correction and method therefor
JP3776752B2 (ja) 2001-06-07 2006-05-17 新電元工業株式会社 Ｄｃ−ｄｃコンバータ
JPWO2003005570A1 (ja) * 2001-07-03 2004-10-28 新潟精密株式会社 音声再生装置および方法、オーディオアンプ、オーディオアンプ用集積回路
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US7200187B2 (en) * 2001-07-26 2007-04-03 O'brien Thomas J Modulator for digital amplifier
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WO2003052939A2 (en) * 2001-12-18 2003-06-26 Koninklijke Philips Electronics N.V. Sigma delta a/d converter with firdac converter
EP1429455A1 (en) * 2002-12-11 2004-06-16 Dialog Semiconductor GmbH Linearization of a PDM class-D amplifier
JP4078543B2 (ja) * 2002-12-20 2008-04-23 ソニー株式会社 オーディオアンプ
JP2004228989A (ja) * 2003-01-23 2004-08-12 Renesas Technology Corp 半導体装置
US7170360B2 (en) * 2003-01-31 2007-01-30 Infineon Technologies Ag Device and method for digital pulse width modulation
SE0300780D0 (sv) * 2003-03-24 2003-03-24 Bang & Olufsen Icepower As Digital pulse width controlled oscillation modulator
WO2005002059A1 (en) * 2003-06-27 2005-01-06 Koninklijke Philips Electronics N.V. An analog-to-digital-converter comprising a sigma-delta-modulator and receiver with such analog-to-digital-converter
US20050035891A1 (en) * 2003-08-14 2005-02-17 Tripath Technology, Inc. Digital-to-analog converter with level control
US7235962B2 (en) * 2003-11-17 2007-06-26 Babak Mazda Inductor-based current sensing
US6998910B2 (en) * 2004-01-22 2006-02-14 Texas Instruments Incorporated Amplifier using delta-sigma modulation
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US10439572B1 (en) * 2018-07-30 2019-10-08 Analog Devices Global Unlimited Company Analog-to-digital converter using discrete time comparator and switched capacitor charge pump
US11055121B1 (en) * 2020-01-30 2021-07-06 Bank Of America Corporation Computer architecture for emulating an integrator in a correlithm object processing system
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002539660A (ja) * 1999-03-09 2002-11-19 トリパス テクノロジー インコーポレイテッド 混合信号出力のノイズシェーピングのための方法および装置
JP2007532033A (ja) * 2003-07-17 2007-11-08 イーエスエス テクノロジー インコーポレイテッド 信号処理装置及び方法
JP2010263483A (ja) * 2009-05-08 2010-11-18 Sony Corp Δς変調器
JP2012531835A (ja) * 2009-06-26 2012-12-10 シントロピー システムズ サンプリング／量子化変換器
CN113054927A (zh) * 2019-12-26 2021-06-29 辛纳普蒂克斯公司 低延迟、低功率且高线性度d类调制回路
JP2021108450A (ja) * 2019-12-26 2021-07-29 シナプティクス インコーポレイテッド 低遅延、低電力、高線形性ｄ級変調ループ
JP7681969B2 (ja) 2019-12-26 2025-05-23 シナプティクス インコーポレイテッド 低遅延、低電力、高線形性ｄ級変調ループ

Also Published As

Publication number Publication date
EP0906659A4 (en) 2002-05-08
KR100451806B1 (ko) 2004-12-09
WO1997049175A1 (en) 1997-12-24
EP0906659A1 (en) 1999-04-07
US5777512A (en) 1998-07-07
TW326603B (en) 1998-02-11
KR20000016744A (ko) 2000-03-25

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