CA1001725A - Numerisation en virgule flottante d'echantillons analogiques - Google Patents

Numerisation en virgule flottante d'echantillons analogiques

Info

Publication number
CA1001725A
CA1001725A CA160,594A CA160594A CA1001725A CA 1001725 A CA1001725 A CA 1001725A CA 160594 A CA160594 A CA 160594A CA 1001725 A CA1001725 A CA 1001725A
Authority
CA
Canada
Prior art keywords
digitalization
floating point
analog sampling
sampling
analog
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
Application number
CA160,594A
Other languages
English (en)
French (fr)
Other versions
CA160594S (en
Inventor
Philippe Angelle
Georges Lefevre
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.)
D'ETUDES RECHERCHES ET CONSTRUCTIONS ELECTRONIQUES SERCEL Ste
Original Assignee
D'ETUDES RECHERCHES ET CONSTRUCTIONS ELECTRONIQUES SERCEL Ste
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 D'ETUDES RECHERCHES ET CONSTRUCTIONS ELECTRONIQUES SERCEL Ste filed Critical D'ETUDES RECHERCHES ET CONSTRUCTIONS ELECTRONIQUES SERCEL Ste
Application granted granted Critical
Publication of CA1001725A publication Critical patent/CA1001725A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
    • G11C27/02—Sample-and-hold arrangements
    • G11C27/024—Sample-and-hold arrangements using a capacitive memory element
    • G11C27/026—Sample-and-hold arrangements using a capacitive memory element associated with an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • 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
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
  • Control Of Amplification And Gain Control (AREA)
CA160,594A 1972-01-11 1973-01-04 Numerisation en virgule flottante d'echantillons analogiques Expired CA1001725A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7200799A FR2167263A5 (pt) 1972-01-11 1972-01-11

Publications (1)

Publication Number Publication Date
CA1001725A true CA1001725A (fr) 1976-12-14

Family

ID=9091717

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,594A Expired CA1001725A (fr) 1972-01-11 1973-01-04 Numerisation en virgule flottante d'echantillons analogiques

Country Status (13)

Country Link
US (1) US3936819A (pt)
JP (1) JPS5314390B2 (pt)
BE (1) BE793746A (pt)
CA (1) CA1001725A (pt)
CH (1) CH575683A5 (pt)
DD (1) DD105543A5 (pt)
DE (1) DE2300320C2 (pt)
FR (1) FR2167263A5 (pt)
GB (1) GB1415091A (pt)
HU (1) HU174408B (pt)
IT (1) IT976290B (pt)
NL (1) NL7300412A (pt)
PL (1) PL91680B1 (pt)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2318430A1 (fr) * 1975-07-18 1977-02-11 Sercel Rech Const Elect Dispositif d'acquisition sur le terrain de donnees sismiques avec numeration a pesee aleatoire
US4068185A (en) * 1976-03-01 1978-01-10 Varian Associates, Inc. Current balancing circuit for use with chromatographic system detector
US4106010A (en) * 1976-05-05 1978-08-08 Texaco Inc. Logarithmic analog-to-digital converter
US4431987A (en) * 1980-03-27 1984-02-14 The Bendix Corporation Analog-to-digital and digital-to-analog converters and methods of operation
US4333075A (en) * 1980-03-27 1982-06-01 The Bendix Corporation An analog-to-digital converter accurate relative to the value of the input signal
US4383247A (en) * 1981-06-25 1983-05-10 The United States Of America As Represented By The Secretary Of The Navy Gain-step companding analog to digital converter
US4540974A (en) * 1981-10-30 1985-09-10 Rca Corporation Adaptive analog-to-digital converter
GB2111122B (en) * 1981-12-08 1985-03-27 Volzh Ob Proizv Silencer arrangement at the inlet of an i.c. engine air cleaner
US4697236A (en) * 1985-03-11 1987-09-29 Helena Laboratories Corporation Densitometer with automatic gain and reference value adjustment of analog waveform
US4725950A (en) * 1985-06-19 1988-02-16 Syntrak, Inc. Marine seismic signal processor with D.C. offset compensation method
FR2626423A1 (fr) * 1988-01-21 1989-07-28 Inst Francais Du Petrole Dispositif d'acquisition pour la numerisation de signaux a grande dynamique
US4967400A (en) * 1988-02-26 1990-10-30 Syntron, Inc. Digital marine seismic system
US4875045A (en) * 1988-03-09 1989-10-17 Northern Telecom Limited Variable gain encoder apparatus and method
JP2752190B2 (ja) * 1989-09-29 1998-05-18 株式会社東芝 ディスク装置
IT1244166B (it) * 1990-11-29 1994-07-08 Elcon Instr Srl Dispositivo circuitale per la calibrazione dei segnali nella strumentazione industriale.
US5377231A (en) * 1993-11-30 1994-12-27 At&T Corp. Automatic gain control circuit for a digital baseband line equalizer
US7088794B2 (en) * 2002-02-19 2006-08-08 The United States Of America As Represented By The Secretary Of The Navy Automatic gain control for digitized RF signal processing
US7355470B2 (en) * 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) * 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8031804B2 (en) * 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) * 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US7620129B2 (en) * 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008144017A1 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2008156800A1 (en) 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
WO2009005768A1 (en) * 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009145887A1 (en) * 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US8565342B2 (en) * 2010-06-22 2013-10-22 Sony Corporation Power amplification apparatus, OFDM modulation apparatus, wireless transmission apparatus, and distortion reduction method for power amplification apparatus
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
JP6174574B2 (ja) 2011-06-02 2017-08-02 パーカーヴィジョン インコーポレイテッド アンテナ制御
KR20160058855A (ko) 2013-09-17 2016-05-25 파커비전, 인크. 정보를 포함하는 시간의 함수를 렌더링하기 위한 방법, 장치 및 시스템

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE491723A (pt) * 1948-11-13
GB691810A (en) * 1951-01-08 1953-05-20 Mini Of Supply Electrical pulse code modulation systems
US2832827A (en) * 1952-10-02 1958-04-29 Itt Signal level coder
US3049701A (en) * 1957-08-15 1962-08-14 Thompson Ramo Wooldridge Inc Converting devices
US2969535A (en) * 1957-08-29 1961-01-24 Bell Telephone Labor Inc Analog-digital interconversion circuitry
US3170153A (en) * 1960-02-04 1965-02-16 Lockheed Aircraft Corp Analog-to-digital converter
DE1159503B (de) * 1960-03-04 1963-12-19 Standard Elektrik Lorenz Ag Pulscodemodulations-Nachrichtenuebertragungssystem mit einem Coder und Decoder vom Serientyp
US3283319A (en) * 1960-08-25 1966-11-01 Nippon Electric Co Code converter
DE1512202B1 (de) * 1966-06-10 1970-03-12 Fujitsu Ltd Verfahren zur multinären Codierung
CA930066A (en) * 1969-07-14 1973-07-10 W. Van Saun Richard Analog to digital converter and indicator using recirculation of remainder
US3703002A (en) * 1971-12-06 1972-11-14 Fluke Mfg Co John Analog to digital converter and indicator using recirculation of remainder

Also Published As

Publication number Publication date
US3936819A (en) 1976-02-03
DD105543A5 (pt) 1974-04-20
JPS4881466A (pt) 1973-10-31
CH575683A5 (pt) 1976-05-14
DE2300320A1 (de) 1973-07-26
NL7300412A (pt) 1973-07-13
HU174408B (hu) 1979-12-28
IT976290B (it) 1974-08-20
BE793746A (fr) 1973-07-09
JPS5314390B2 (pt) 1978-05-17
PL91680B1 (pt) 1977-03-31
FR2167263A5 (pt) 1973-08-24
DE2300320C2 (de) 1982-11-18
GB1415091A (en) 1975-11-26

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