ATE252293T1 - Delta-sigma modulator zur frequenzsynthese mit gebrochenem teilverhältnis - Google Patents

Delta-sigma modulator zur frequenzsynthese mit gebrochenem teilverhältnis

Info

Publication number
ATE252293T1
ATE252293T1 AT01901084T AT01901084T ATE252293T1 AT E252293 T1 ATE252293 T1 AT E252293T1 AT 01901084 T AT01901084 T AT 01901084T AT 01901084 T AT01901084 T AT 01901084T AT E252293 T1 ATE252293 T1 AT E252293T1
Authority
AT
Austria
Prior art keywords
dead zone
sigma modulator
input
quantizer
delta
Prior art date
Application number
AT01901084T
Other languages
English (en)
Inventor
Thomas A D Riley
Tadeuse A Kwasniewski
Thierry Lepley
Original Assignee
Conexant Systems 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
Application filed by Conexant Systems Inc filed Critical Conexant Systems Inc
Application granted granted Critical
Publication of ATE252293T1 publication Critical patent/ATE252293T1/de

Links

Classifications

    • 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
    • H03M7/3022—Structural details of digital 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
    • 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
    • H03M7/3026—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 multiple 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
    • H03M7/302—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Machine Translation (AREA)
AT01901084T 2000-01-07 2001-01-05 Delta-sigma modulator zur frequenzsynthese mit gebrochenem teilverhältnis ATE252293T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002294404A CA2294404C (en) 2000-01-07 2000-01-07 Delta-sigma modulator for fractional-n frequency synthesis
PCT/CA2001/000019 WO2001050611A2 (en) 2000-01-07 2001-01-05 Delta-sigma modulator for fractional-n frequency synthesis

Publications (1)

Publication Number Publication Date
ATE252293T1 true ATE252293T1 (de) 2003-11-15

Family

ID=4165021

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01901084T ATE252293T1 (de) 2000-01-07 2001-01-05 Delta-sigma modulator zur frequenzsynthese mit gebrochenem teilverhältnis

Country Status (8)

Country Link
US (1) US6570518B2 (de)
EP (1) EP1245081B1 (de)
JP (1) JP4768187B2 (de)
AT (1) ATE252293T1 (de)
CA (1) CA2294404C (de)
DE (1) DE60100989T2 (de)
TW (1) TW507426B (de)
WO (1) WO2001050611A2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6920182B2 (en) * 2001-01-09 2005-07-19 Microtune (Texas), L.P. Delta-sigma modulator system and method
US7187237B1 (en) * 2002-10-08 2007-03-06 Impinj, Inc. Use of analog-valued floating-gate transistors for parallel and serial signal processing
AU2003275479A1 (en) * 2002-10-08 2004-05-04 Impinj, Inc. Use of analog-valued floating-gate transistors to match the electrical characteristics of interleaved and pipelined
US6954159B1 (en) 2003-07-01 2005-10-11 Impinj, Inc. Low distortion band-pass analog to digital converter with feed forward
US6873281B1 (en) * 2003-08-28 2005-03-29 Impinj, Inc. Interleaved digital correction for MASH delta-sigma ADC
JP3718706B2 (ja) * 2003-10-28 2005-11-24 松下電器産業株式会社 デルタ・シグマ変調装置
WO2005096502A1 (en) * 2004-04-02 2005-10-13 Kaben Research Inc. Multiple stage delta sigma modulators
CN1954500B (zh) * 2004-04-02 2010-06-09 卡贝研发有限公司 一种△-∑调制器及一种可配置滤波器
US20080291973A1 (en) * 2004-11-16 2008-11-27 Acco Integrated Ultra-Wideband (Uwb) Pulse Generator
EP1935026A1 (de) 2005-10-12 2008-06-25 Acco Feldeffekttransistor mit isoliertem gate mit einem dummie-gate
CN101326724A (zh) * 2005-12-06 2008-12-17 Nxp股份有限公司 Sigma Delta型模数转换器
KR100764377B1 (ko) * 2006-04-17 2007-10-08 삼성전기주식회사 엣지형 백라이트 유닛
US8928410B2 (en) 2008-02-13 2015-01-06 Acco Semiconductor, Inc. Electronic circuits including a MOSFET and a dual-gate JFET
US9240402B2 (en) 2008-02-13 2016-01-19 Acco Semiconductor, Inc. Electronic circuits including a MOSFET and a dual-gate JFET
US7863645B2 (en) * 2008-02-13 2011-01-04 ACCO Semiconductor Inc. High breakdown voltage double-gate semiconductor device
US7969243B2 (en) 2009-04-22 2011-06-28 Acco Semiconductor, Inc. Electronic circuits including a MOSFET and a dual-gate JFET
US8441323B2 (en) 2008-09-16 2013-05-14 Nxp B.V. Signal processing using timing comparison
US7808415B1 (en) * 2009-03-25 2010-10-05 Acco Semiconductor, Inc. Sigma-delta modulator including truncation and applications thereof
US7952431B2 (en) * 2009-08-28 2011-05-31 Acco Semiconductor, Inc. Linearization circuits and methods for power amplification
US8532584B2 (en) 2010-04-30 2013-09-10 Acco Semiconductor, Inc. RF switches
US9503120B1 (en) 2016-02-29 2016-11-22 Analog Devices Global Signal dependent subtractive dithering
US10763869B2 (en) * 2018-12-14 2020-09-01 Silicon Laboratories Inc. Apparatus for digital frequency synthesizers and associated methods
US11545985B2 (en) 2018-12-14 2023-01-03 Silicon Laboratories Inc. Apparatus for digitally controlled oscillators and associated methods
US10831159B2 (en) 2018-12-14 2020-11-10 Silicon Laboratories Inc. Apparatus for time-to-digital converters and associated methods
US10848176B1 (en) * 2019-10-01 2020-11-24 Raytheon Company Digital delta-sigma modulator with non-recursive computation of residues
US12494798B2 (en) 2023-03-29 2025-12-09 Stmicroelectronics International N.V. Delta-sigma modulator with anti-windup circuit

Family Cites Families (17)

* 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
JPH03148919A (ja) * 1989-11-06 1991-06-25 Fujitsu Ltd オーバーサンプリング型ａｄ変換器
GB2238434B (en) * 1989-11-22 1994-03-16 Stc Plc Frequency synthesiser
KR100219021B1 (ko) * 1990-04-06 1999-09-01 제이 엘. 차스킨, 버나드 스나이더, 아더엠. 킹 성분 감도가 낮은 오버샘플된 3차 시그마 델타 아날로그-디지탈 변환기 네트워크
US5055802A (en) * 1990-04-30 1991-10-08 Motorola, Inc. Multiaccumulator sigma-delta fractional-n synthesis
JPH0779257B2 (ja) * 1990-05-24 1995-08-23 松下電器産業株式会社 量子化器
JP3033162B2 (ja) * 1990-09-20 2000-04-17 ソニー株式会社 ノイズシェーピング回路
JP3036074B2 (ja) * 1990-11-29 2000-04-24 松下電器産業株式会社 多段ノイズシェーピング型量子化器
JPH04320113A (ja) * 1991-04-19 1992-11-10 Matsushita Electric Ind Co Ltd ノイズシェーピング型量子化器
JPH04329714A (ja) * 1991-04-30 1992-11-18 Nec Ic Microcomput Syst Ltd ノイズシェーバ回路
US5369403A (en) * 1992-09-01 1994-11-29 The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Dual quantization oversampling digital-to-analog converter
US5446460A (en) * 1993-11-03 1995-08-29 Advanced Micro Devices, Inc. Fourth-order cascaded sigma-delta modulator
JPH08107362A (ja) * 1994-10-06 1996-04-23 Matsushita Electric Ind Co Ltd ノイズシェーピング型再量子化器
JPH08307276A (ja) * 1995-05-12 1996-11-22 Yamaha Corp フィルタ処理回路
US5654711A (en) * 1995-06-07 1997-08-05 Asahi Kasei Microsystems Ltd. Analog-to-digital converter with local feedback
US6047029A (en) * 1997-09-16 2000-04-04 Telefonaktiebolaget Lm Ericsson Post-filtered delta sigma for controlling a phase locked loop modulator
NZ335704A (en) * 1999-05-11 2001-01-26 Tait Electronics Ltd Nested digital modulators for frequency synthesis

Also Published As

Publication number Publication date
JP2003519952A (ja) 2003-06-24
DE60100989D1 (de) 2003-11-20
DE60100989T2 (de) 2004-05-19
US6570518B2 (en) 2003-05-27
WO2001050611A3 (en) 2001-11-29
JP4768187B2 (ja) 2011-09-07
TW507426B (en) 2002-10-21
EP1245081B1 (de) 2003-10-15
WO2001050611A2 (en) 2001-07-12
US20010035835A1 (en) 2001-11-01
CA2294404C (en) 2004-11-02
EP1245081A2 (de) 2002-10-02
CA2294404A1 (en) 2001-07-07

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