ES2125961T3 - Convertidor de analogico a digital con una señal de activacion modulada. - Google Patents

Convertidor de analogico a digital con una señal de activacion modulada.

Info

Publication number
ES2125961T3
ES2125961T3 ES93400496T ES93400496T ES2125961T3 ES 2125961 T3 ES2125961 T3 ES 2125961T3 ES 93400496 T ES93400496 T ES 93400496T ES 93400496 T ES93400496 T ES 93400496T ES 2125961 T3 ES2125961 T3 ES 2125961T3
Authority
ES
Spain
Prior art keywords
signal
analog
digital converter
activation signal
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 - Lifetime
Application number
ES93400496T
Other languages
English (en)
Inventor
Gary Morrison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Itron Soluciones de Medida Espana SA
Schlumberger SA
Original Assignee
Itron Soluciones de Medida Espana SA
Schlumberger SA
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 Itron Soluciones de Medida Espana SA, Schlumberger SA filed Critical Itron Soluciones de Medida Espana SA
Application granted granted Critical
Publication of ES2125961T3 publication Critical patent/ES2125961T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
    • H03M1/201—Increasing resolution using an n bit system to obtain n + m bits by dithering

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplitude Modulation (AREA)

Abstract

UN SISTEMA PARA CONVERSION ANALOGO A DIGITAL QUE COMPRENDE UN MEDIO (4) PARA RECIBIR UNA SEÑAL ANALOGA DE ENTRADA, UN MEDIO PARPADEANTE PARA AÑADIR UNA SEÑAL PARAPADEANTE Y UN CONVERTIDOR ANALOGO A DIGITAL Y SEÑAL PARPADEANTE A UN VALOR DIGITAL, CARACTERIZADO EN QUE EL MEDIO PARPADEANTE PROPORCIONA UNA SEÑAL PARPADEANTE DE UNA FORMA QUE COMPRENDE UNA PRIMERA SEÑAL PARPADEANTE PERIODICA QUE TIENE SUPERPUESTA Y QUE EMPIEZA FORMADA POR UN UNA SEÑAL QUE TIENE AL MENOS UN COMPONENTE QUE VARIA LA PRIMERA SEÑAL PARPADEANTE PERIODICA SOBRE AL MENOS UN INTERVALO DE CUANTIFICACION DEL CONVERTIDOR ANALOGO A DIGITAL.
ES93400496T 1993-02-26 1993-02-26 Convertidor de analogico a digital con una señal de activacion modulada. Expired - Lifetime ES2125961T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93400496A EP0613256B1 (en) 1993-02-26 1993-02-26 AD converter with modulated dither signal

Publications (1)

Publication Number Publication Date
ES2125961T3 true ES2125961T3 (es) 1999-03-16

Family

ID=8214685

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93400496T Expired - Lifetime ES2125961T3 (es) 1993-02-26 1993-02-26 Convertidor de analogico a digital con una señal de activacion modulada.

Country Status (10)

Country Link
US (1) US5451947A (es)
EP (1) EP0613256B1 (es)
CN (1) CN1036751C (es)
AT (1) ATE175062T1 (es)
CA (1) CA2116157A1 (es)
DE (1) DE69322762T2 (es)
DK (1) DK0613256T3 (es)
ES (1) ES2125961T3 (es)
GR (1) GR3029600T3 (es)
RU (1) RU2107389C1 (es)

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Publication number Priority date Publication date Assignee Title
US5525984A (en) * 1993-08-06 1996-06-11 Adc Telecommunications, Inc. Optimization of weighted signal-to-noise ratio for a digital video encoder
FR2720835B1 (fr) 1994-06-01 1996-07-12 Schlumberger Ind Sa Circuit de mesure de courant comprenant un transformateur à inductance mutuelle et un circuit intégrateur.
US5674125A (en) * 1995-01-24 1997-10-07 American Standard Inc. Fresh air flow modulation device
US5745061A (en) * 1995-07-28 1998-04-28 Lucent Technologies Inc. Method of improving the stability of a sigma-delta modulator employing dither
US5825318A (en) * 1996-12-19 1998-10-20 Quantum Corporation Data and servo sampling in synchronous data detection channel
DE19720548C2 (de) * 1997-05-16 2003-07-10 Rohde & Schwarz Analog/Digital-Wandler
US6016113A (en) * 1997-06-26 2000-01-18 Binder; Yehuda System for enhancing the accuracy of analog-digital-analog conversions
US6041076A (en) * 1997-12-02 2000-03-21 Wavetek Corporation Digitally modulated CATV power measurement using undersampling
DE19800775C2 (de) * 1998-01-12 2001-01-25 Rohde & Schwarz Verfahren und Anordnung zum Reduzieren der Linearitätsfehlereinflüsse bei Hochfrequenzschaltungen, inbesondere AD-Wandler
AUPQ122699A0 (en) * 1999-06-25 1999-07-22 Lake Dsp Pty Limited Sigma delta modulator with buried data
DE10042281A1 (de) * 2000-08-29 2002-03-14 Philips Corp Intellectual Pty Schaltungsanordnung zur Regenerierung des Schwarzwertes von Videosignalen
US20020060605A1 (en) * 2000-09-22 2002-05-23 Kowkutla Venkateswar R. Amplifiers
DE10139089C2 (de) * 2001-08-09 2003-12-24 Rohde & Schwarz Signalgenerator insbesondere zum Erzeugen eines Dithersignals
US6661360B2 (en) * 2002-02-12 2003-12-09 Broadcom Corporation Analog to digital converter that services voice communications
US20040036636A1 (en) * 2002-08-26 2004-02-26 Rifeng Mai Tone-free dithering methods for sigma-delta DAC
DE10252756A1 (de) * 2002-11-13 2004-05-27 Robert Bosch Gmbh A/D-Wandler mit verbesserter Auflösung
US7154326B2 (en) * 2005-04-18 2006-12-26 Visteon Global Technologies, Inc. Dither amplitude correction for constant current drivers
DE102006046966A1 (de) * 2006-05-26 2007-11-29 Rohde & Schwarz Gmbh & Co. Kg Messvorrichtung und Messverfahren zum Messen der Leistung eines Hochfrequenzsignals
DE102006038031A1 (de) * 2006-05-26 2007-11-29 Rohde & Schwarz Gmbh & Co. Kg Messvorrichtung und Messverfahren zum Messen der Hüllkurvenleistung und des Leistungsmittelwerts
EP1993212B1 (de) * 2007-05-15 2010-07-14 Atmel Automotive GmbH Wandlervorrichtung
US8174418B2 (en) * 2009-07-14 2012-05-08 Honeywell International Inc. Inexpensively improving resolution and reducing noise of low-noise signals
US8259302B2 (en) 2010-07-30 2012-09-04 Honeywell International Inc. Variable path length control modulation frequency
US9049491B2 (en) * 2012-08-30 2015-06-02 Maxlinear, Inc. Method and system for power management in a frequency division multiplexed network
LU92212B1 (en) 2013-06-11 2014-12-12 Iee Sarl Method for converting an analog signal into a digital signal
EP3142255A1 (en) * 2015-07-23 2017-03-15 Analog Devices Global Methods and systems for addressing component mismatch in digital-to-analog converters
DE102016204417A1 (de) * 2016-03-17 2017-09-21 Continental Teves Ag & Co. Ohg Vorrichtung zum Messen einer Messgröße
DE102017124818B4 (de) * 2017-10-24 2022-12-22 Infineon Technologies Ag Verfahren und Vorrichtung zur Signalumformung
WO2021014629A1 (ja) * 2019-07-25 2021-01-28 日本電信電話株式会社 同期検波装置、同期検波方法及びプログラム
CN112630525B (zh) * 2020-11-30 2024-01-30 国网重庆市电力公司营销服务中心 一种功率测量方法、装置、pcb电路结构及存储介质
CN113837389B (zh) * 2021-09-27 2023-07-11 国开启科量子技术(北京)有限公司 离子阱驱动装置
WO2025136853A1 (en) * 2023-12-21 2025-06-26 Landis+Gyr Technology, Inc. Electricity meter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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
US4187466A (en) * 1978-01-16 1980-02-05 Rolm Corporation Signal injection technique
JPS56136027A (en) * 1980-03-27 1981-10-23 Victor Co Of Japan Ltd Signal processor having quantization distortion reduced
GB8426822D0 (en) * 1984-10-23 1984-11-28 Day S Static electricity meter
JPS62140518A (ja) * 1985-12-13 1987-06-24 Advantest Corp Ａｄ変換装置
JPH02134010A (ja) * 1988-11-15 1990-05-23 Sony Corp 信号処理装置
US4965668A (en) * 1989-11-09 1990-10-23 The Grass Valley Group, Inc. Adaptive rounder for video signals
US5189418A (en) * 1992-04-16 1993-02-23 Hewlett-Packard Company Dither error correction

Also Published As

Publication number Publication date
CN1095200A (zh) 1994-11-16
CN1036751C (zh) 1997-12-17
GR3029600T3 (en) 1999-06-30
RU2107389C1 (ru) 1998-03-20
EP0613256A1 (en) 1994-08-31
DE69322762T2 (de) 1999-06-02
EP0613256B1 (en) 1998-12-23
ATE175062T1 (de) 1999-01-15
CA2116157A1 (en) 1994-08-27
DE69322762D1 (de) 1999-02-04
US5451947A (en) 1995-09-19
DK0613256T3 (da) 1999-08-23

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