ITVA990022A0 - Convertitrore analogico/digitalte con dither adattativo. - Google Patents
Convertitrore analogico/digitalte con dither adattativo.Info
- Publication number
- ITVA990022A0 ITVA990022A0 IT99VA000022A ITVA990022A ITVA990022A0 IT VA990022 A0 ITVA990022 A0 IT VA990022A0 IT 99VA000022 A IT99VA000022 A IT 99VA000022A IT VA990022 A ITVA990022 A IT VA990022A IT VA990022 A0 ITVA990022 A0 IT VA990022A0
- Authority
- IT
- Italy
- Prior art keywords
- analogue
- digital converter
- adaptive dither
- dither
- adaptive
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
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)
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 true ITVA990022A0 (it) | 1999-07-19 |
ITVA990022A1 ITVA990022A1 (it) | 2001-01-19 |
IT1313392B1 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)
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)
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 |
-
1999
- 1999-07-19 IT IT1999VA000022A patent/IT1313392B1/it active
-
2000
- 2000-07-13 US US09/615,100 patent/US6320526B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT1313392B1 (it) | 2002-07-23 |
US6320526B1 (en) | 2001-11-20 |
ITVA990022A1 (it) | 2001-01-19 |
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