IT1313392B1 - Convertitore ea analogico/digitalte con dither adattativo. - Google Patents

Convertitore ea analogico/digitalte con dither adattativo.

Info

Publication number
IT1313392B1
IT1313392B1 IT1999VA000022A ITVA990022A IT1313392B1 IT 1313392 B1 IT1313392 B1 IT 1313392B1 IT 1999VA000022 A IT1999VA000022 A IT 1999VA000022A IT VA990022 A ITVA990022 A IT VA990022A IT 1313392 B1 IT1313392 B1 IT 1313392B1
Authority
IT
Italy
Prior art keywords
digitalte
analog
converter
adaptive dither
dither
Prior art date
Application number
IT1999VA000022A
Other languages
English (en)
Inventor
Gabriele Gandolfi
Vittorio Colonna
Paolo Cusinato
Original Assignee
St Microelectronics Srl
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 St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT1999VA000022A priority Critical patent/IT1313392B1/it
Publication of ITVA990022A0 publication Critical patent/ITVA990022A0/it
Priority to US09/615,100 priority patent/US6320526B1/en
Publication of ITVA990022A1 publication Critical patent/ITVA990022A1/it
Application granted granted Critical
Publication of IT1313392B1 publication Critical patent/IT1313392B1/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—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
    • H03M3/326—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 averaging out the errors
    • H03M3/328—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 averaging out the errors using dither
    • H03M3/3287—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 averaging out the errors using dither the dither being at least partially dependent on the input signal
    • 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
    • H03M3/326—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 averaging out the errors
    • H03M3/328—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 averaging out the errors using dither
    • H03M3/33—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 averaging out the errors using dither the dither being a random signal
    • 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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT1999VA000022A 1999-07-19 1999-07-19 Convertitore ea analogico/digitalte con dither adattativo. IT1313392B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT1999VA000022A IT1313392B1 (it) 1999-07-19 1999-07-19 Convertitore ea analogico/digitalte con dither adattativo.
US09/615,100 US6320526B1 (en) 1999-07-19 2000-07-13 Sigma-delta analog/digital converter with adaptive dither

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999VA000022A IT1313392B1 (it) 1999-07-19 1999-07-19 Convertitore ea analogico/digitalte con dither adattativo.

Publications (3)

Publication Number Publication Date
ITVA990022A0 ITVA990022A0 (it) 1999-07-19
ITVA990022A1 ITVA990022A1 (it) 2001-01-19
IT1313392B1 true IT1313392B1 (it) 2002-07-23

Family

ID=11423534

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999VA000022A IT1313392B1 (it) 1999-07-19 1999-07-19 Convertitore ea analogico/digitalte con dither adattativo.

Country Status (2)

Country Link
US (1) US6320526B1 (it)
IT (1) IT1313392B1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7224305B2 (en) * 2004-06-08 2007-05-29 Telefonaktiebolaget L M Ericsson (Publ) Analog-to-digital modulation
US7782237B2 (en) * 2008-06-13 2010-08-24 The Board Of Trustees Of The Leland Stanford Junior University Semiconductor sensor circuit arrangement
US9385745B1 (en) * 2015-01-14 2016-07-05 Mediatek Inc. Sigma-delta ADC with dither
DE102016103995B4 (de) * 2016-03-04 2018-03-01 Infineon Technologies Ag Spektral geformtes Zufallssignal
US10790850B1 (en) * 2019-06-28 2020-09-29 Nxp B.V. Signal amplitude aware dithering method for enhancing small signal linearity in an analog-to-digital converter
CN110995249B (zh) * 2019-12-18 2023-05-30 电子科技大学 一种时钟抖动产生装置
US20230344436A1 (en) * 2022-04-26 2023-10-26 Texas Instruments Incorporated Noise-Shaping of Additive Dither in Analog-to-Digital Converters

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4811019A (en) * 1986-05-30 1989-03-07 Shure Brothers Incorporated, Inc. Delta modulation encoding/decoding circuitry
JP2647136B2 (ja) * 1988-05-13 1997-08-27 株式会社東芝 アナログ−デジタル変換回路
JP3012887B2 (ja) * 1989-03-13 2000-02-28 日本テキサス・インスツルメンツ株式会社 信号変換装置
US5124706A (en) * 1989-09-15 1992-06-23 Wavephore, Inc. Analog to digital and digital to analog signal processors
US5144308A (en) * 1991-05-21 1992-09-01 At&T Bell Laboratories Idle channel tone and periodic noise suppression for sigma-delta modulators using high-level dither
JP3168620B2 (ja) * 1991-07-03 2001-05-21 ソニー株式会社 ディジタル／アナログ変換装置
US5208595A (en) * 1991-08-21 1993-05-04 Wavephore, Inc. Digitally controlled adaptive slew rate delta modulator
US5357252A (en) * 1993-03-22 1994-10-18 Motorola, Inc. Sigma-delta modulator with improved tone rejection and method therefor
US5416481A (en) * 1993-09-24 1995-05-16 Advanced Micro Devices, Inc. Analog-to-digital converter with multi-level dither current input
US5872532A (en) * 1994-09-30 1999-02-16 Kabushiki Kaisha Toshiba Selection apparatus
US5745061A (en) * 1995-07-28 1998-04-28 Lucent Technologies Inc. Method of improving the stability of a sigma-delta modulator employing dither

Also Published As

Publication number Publication date
ITVA990022A0 (it) 1999-07-19
US6320526B1 (en) 2001-11-20
ITVA990022A1 (it) 2001-01-19

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