JP2004248288A5 - - Google Patents

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Publication number
JP2004248288A5
JP2004248288A5 JP2004034408A JP2004034408A JP2004248288A5 JP 2004248288 A5 JP2004248288 A5 JP 2004248288A5 JP 2004034408 A JP2004034408 A JP 2004034408A JP 2004034408 A JP2004034408 A JP 2004034408A JP 2004248288 A5 JP2004248288 A5 JP 2004248288A5
Authority
JP
Japan
Prior art keywords
magnitude
quantization
input signal
digital
modulator
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.)
Abandoned
Application number
JP2004034408A
Other languages
English (en)
Japanese (ja)
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JP2004248288A (ja
Filing date
Publication date
Priority claimed from US10/453,426 external-priority patent/US6795005B2/en
Application filed filed Critical
Publication of JP2004248288A publication Critical patent/JP2004248288A/ja
Publication of JP2004248288A5 publication Critical patent/JP2004248288A5/ja
Abandoned legal-status Critical Current

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JP2004034408A 2003-02-13 2004-02-12 適応シグマ−デルタ変調器およびシグマ−デルタ変調を実施する方法 Abandoned JP2004248288A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44716003P 2003-02-13 2003-02-13
US10/453,426 US6795005B2 (en) 2003-02-13 2003-06-03 Variable, adaptive quantization in sigma-delta modulators

Publications (2)

Publication Number Publication Date
JP2004248288A JP2004248288A (ja) 2004-09-02
JP2004248288A5 true JP2004248288A5 (enExample) 2007-03-29

Family

ID=32853471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004034408A Abandoned JP2004248288A (ja) 2003-02-13 2004-02-12 適応シグマ−デルタ変調器およびシグマ−デルタ変調を実施する方法

Country Status (2)

Country Link
US (1) US6795005B2 (enExample)
JP (1) JP2004248288A (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7894536B2 (en) * 2003-04-15 2011-02-22 Texas Instruments Incorporated Calibration model to mitigate data conversion errors
US6940437B2 (en) * 2003-10-31 2005-09-06 Cirrus Logic, Inc. Multibit delta-sigma modulator with variable-level quantizer
US7593483B2 (en) * 2004-05-07 2009-09-22 Broadcom Corporation Nonlinear mapping in digital-to-analog and analog-to-digital converters
JP2006254261A (ja) * 2005-03-14 2006-09-21 Renesas Technology Corp Σδ型ａ／ｄ変換回路を内蔵した通信用半導体集積回路
US7405686B2 (en) * 2005-06-27 2008-07-29 Qualcomm Incorporated Methods and apparatus for implementing and/or using amplifiers and/or for performing various amplification related operations
US7289050B1 (en) * 2005-06-27 2007-10-30 Qualcomm Incorporated Amplification method and apparatus
US20080000431A1 (en) * 2006-06-29 2008-01-03 Stephen Longo Dog leash assembly
JP4589275B2 (ja) * 2006-07-27 2010-12-01 パナソニック株式会社 デルタシグマ変調型ｄａ変換装置
US7961125B2 (en) * 2008-10-23 2011-06-14 Microchip Technology Incorporated Method and apparatus for dithering in multi-bit sigma-delta digital-to-analog converters
JP2012023540A (ja) * 2010-07-14 2012-02-02 Asahi Kasei Electronics Co Ltd マルチビットデルタシグマ変調器及びａｄコンバータ
US8873611B2 (en) * 2010-09-10 2014-10-28 Nec Corporation Transmitter, control method, computer program and delta-sigma modulator
US8217816B2 (en) 2010-10-18 2012-07-10 Texas Instruments Incorporated Sigma-delta modulator
KR102192627B1 (ko) 2014-04-23 2020-12-17 삼성전자주식회사 재구성형 아날로그-디지털 컨버터 및 이를 포함하는 이미지 센서
US11227615B2 (en) * 2017-09-08 2022-01-18 Sony Corporation Sound processing apparatus and sound processing method
JP7139588B2 (ja) * 2017-09-22 2022-09-21 カシオ計算機株式会社 変換装置、電子楽器、情報処理装置、変換方法及びプログラム
US9985646B1 (en) 2017-10-18 2018-05-29 Schweitzer Engineering Laboratories, Inc. Analog-to-digital converter verification using quantization noise properties
US10033400B1 (en) 2017-10-18 2018-07-24 Schweitzer Engineering Laboratories, Inc. Analog-to-digital converter verification using quantization noise properties
US10727860B1 (en) * 2019-07-25 2020-07-28 Cirrus Logic, Inc. Increased noise performance using quantizer code suppression

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4843390A (en) * 1988-02-24 1989-06-27 Motorola, Inc. Oversampled A/D converter having digital error correction
JP3012888B2 (ja) * 1989-11-24 2000-02-28 日本テキサス・インスツルメンツ株式会社 信号変調装置
US6535153B1 (en) 1999-02-04 2003-03-18 Med-El Electromedizinische Gerate Ges.M.B.H. Adaptive sigma-delta modulation with one-bit quantization
WO2002023733A2 (en) 2000-09-11 2002-03-21 Broadcom Corporation Sigma-delta digital-to-analog converter

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