DE3688279D1 - Geraet zur analog-digitalumwandlung. - Google Patents
Geraet zur analog-digitalumwandlung.Info
- Publication number
- DE3688279D1 DE3688279D1 DE8686117203T DE3688279T DE3688279D1 DE 3688279 D1 DE3688279 D1 DE 3688279D1 DE 8686117203 T DE8686117203 T DE 8686117203T DE 3688279 T DE3688279 T DE 3688279T DE 3688279 D1 DE3688279 D1 DE 3688279D1
- Authority
- DE
- Germany
- Prior art keywords
- analog
- digital conversion
- conversion
- digital
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
- H03M1/0634—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale
- H03M1/0636—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the amplitude domain
- H03M1/0639—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the amplitude domain using dither, e.g. using triangular or sawtooth waveforms
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
- H03M1/0634—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale
- H03M1/0636—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the amplitude domain
- H03M1/0639—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the amplitude domain using dither, e.g. using triangular or sawtooth waveforms
- H03M1/0641—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the amplitude domain using dither, e.g. using triangular or sawtooth waveforms the dither being a random signal
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60280652A JPS62140518A (ja) | 1985-12-13 | 1985-12-13 | Ad変換装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3688279D1 true DE3688279D1 (de) | 1993-05-19 |
DE3688279T2 DE3688279T2 (de) | 1993-11-18 |
Family
ID=17628039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE86117203T Expired - Fee Related DE3688279T2 (de) | 1985-12-13 | 1986-12-10 | Gerät zur Analog-Digitalumwandlung. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4761634A (de) |
EP (1) | EP0225641B1 (de) |
JP (1) | JPS62140518A (de) |
DE (1) | DE3688279T2 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63244486A (ja) * | 1987-03-31 | 1988-10-11 | Toshiba Corp | 半導体装置 |
JP2573850B2 (ja) * | 1987-09-14 | 1997-01-22 | ティアツク株式会社 | アナログ−デイジタル変換装置 |
EP0308982B1 (de) * | 1987-09-25 | 1995-09-06 | Nec Corporation | AD-Wandler mit ausgezeichnetem Störabstand für kleine Signale |
JP2575754B2 (ja) * | 1987-11-20 | 1997-01-29 | 株式会社アドバンテスト | 周波数応答関数測定法 |
JPH0228713A (ja) * | 1988-04-26 | 1990-01-30 | Mitsubishi Electric Corp | 信号取得装置及び方法 |
AU623462B2 (en) * | 1989-02-03 | 1992-05-14 | Alcatel Australia Limited | Digital converter |
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 |
JPH02301327A (ja) * | 1989-05-16 | 1990-12-13 | Pioneer Electron Corp | ディジタル・アナログ変換回路 |
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 |
US5113189A (en) * | 1991-06-21 | 1992-05-12 | Motorola, Inc. | Frequency translating coherent analog to digital conversion system for modulated signals |
US5250948A (en) * | 1991-12-19 | 1993-10-05 | Eastman Kodak Company | High level resolution enhancement for dual-range A/D conversion |
JPH0554077U (ja) * | 1991-12-20 | 1993-07-20 | 宮島 泰重 | ドリンクホルダ― |
US5189418A (en) * | 1992-04-16 | 1993-02-23 | Hewlett-Packard Company | Dither error correction |
DE69325679T2 (de) * | 1992-04-30 | 1999-11-11 | Hewlett Packard Co | Analog-/Digitalwandler mit automatischer Offsetsbereichregelung |
US5351084A (en) * | 1992-07-02 | 1994-09-27 | Global Telecommunications Industries, Inc. | Compressed video bit rate reduction system |
US5406495A (en) * | 1993-02-01 | 1995-04-11 | Systems Analysis And Integration, Inc. | Substation load distribution monitor system |
DK0613256T3 (da) * | 1993-02-26 | 1999-08-23 | Schlumberger Ind Sa | Analog-digitalomsætter med moduleret rystesignal |
US5629703A (en) * | 1995-08-09 | 1997-05-13 | Tektronix, Inc. | Method for reducing harmonic distortion in an analog-to-digital converter system |
DE19720548C2 (de) * | 1997-05-16 | 2003-07-10 | Rohde & Schwarz | Analog/Digital-Wandler |
SE509408C2 (sv) * | 1997-05-27 | 1999-01-25 | Ericsson Telefon Ab L M | Anordning och förfarande för reducering av periodiskt brus i en sigma-delta modulator |
US6028543A (en) * | 1997-10-03 | 2000-02-22 | Eg&G Instruments, Inc. | Apparatus for improvement of the speed of convergence to sub-least-significant-bit accuracy and precision in a digital signal averager and method of use |
US6433723B1 (en) | 1998-07-30 | 2002-08-13 | Siemens Power Transmission & Distribution, Inc. | Analog-to-digital conversion with reduced error |
FR2783374B1 (fr) * | 1998-09-11 | 2000-12-08 | Thomson Csf | Procede et dispositif de generation d'un signal aleatoire et systemes de conversion numerique-analogique utilisant un tel signal aleatoire |
US6469792B1 (en) * | 2000-03-01 | 2002-10-22 | Raytheon Company | Method for processing the output of a fiber optic gyroscope to reduce the effects of vibration therefrom |
US7315277B2 (en) * | 2002-04-30 | 2008-01-01 | The Johns Hopkins University | Bit depth reduction for analog to digital conversion in global positioning system |
DE102004025577B4 (de) * | 2004-05-25 | 2010-05-06 | Infineon Technologies Ag | Unterdrückung von geraden harmonischen Verzerrungen in einem nicht-linearen Element |
JP3971414B2 (ja) * | 2004-07-16 | 2007-09-05 | ローム株式会社 | A/d変換装置、およびこれを用いた通信機器 |
EP1946445A4 (de) * | 2005-09-23 | 2009-02-04 | Univ Rochester | Blue-noise-modulierter sigma-delta-analog-digital-umsetzer |
US8174418B2 (en) * | 2009-07-14 | 2012-05-08 | Honeywell International Inc. | Inexpensively improving resolution and reducing noise of low-noise signals |
US10193585B2 (en) * | 2017-02-17 | 2019-01-29 | SiTune Corporation | Tone removal for digital circuits |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2669608A (en) * | 1950-10-27 | 1954-02-16 | Bell Telephone Labor Inc | Noise reduction in quantized pulse transmission systems with large quanta |
US3877022A (en) * | 1973-05-14 | 1975-04-08 | Weston Instruments Inc | Enhancing resolution in analog-to-digital conversion by adding statistically controlled noise to the analog input signal |
JPS5639576B2 (de) * | 1973-10-17 | 1981-09-14 | ||
US4327419A (en) * | 1980-02-22 | 1982-04-27 | Kawai Musical Instrument Mfg. Co., Ltd. | Digital noise generator for electronic musical instruments |
JPS56136027A (en) * | 1980-03-27 | 1981-10-23 | Victor Co Of Japan Ltd | Signal processor having quantization distortion reduced |
US4550309A (en) * | 1984-02-16 | 1985-10-29 | Hewlett Packard Company | Analog to digital converter |
-
1985
- 1985-12-13 JP JP60280652A patent/JPS62140518A/ja active Pending
-
1986
- 1986-12-10 DE DE86117203T patent/DE3688279T2/de not_active Expired - Fee Related
- 1986-12-10 EP EP86117203A patent/EP0225641B1/de not_active Expired - Lifetime
- 1986-12-10 US US06/940,058 patent/US4761634A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0225641A3 (en) | 1988-12-07 |
EP0225641A2 (de) | 1987-06-16 |
JPS62140518A (ja) | 1987-06-24 |
EP0225641B1 (de) | 1993-04-14 |
US4761634A (en) | 1988-08-02 |
DE3688279T2 (de) | 1993-11-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |