ES445387A1 - Un convertidor digital-a-analogico. - Google Patents

Un convertidor digital-a-analogico.

Info

Publication number
ES445387A1
ES445387A1 ES445387A ES445387A ES445387A1 ES 445387 A1 ES445387 A1 ES 445387A1 ES 445387 A ES445387 A ES 445387A ES 445387 A ES445387 A ES 445387A ES 445387 A1 ES445387 A1 ES 445387A1
Authority
ES
Spain
Prior art keywords
signal
elements
significant bits
converter
pcm
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
ES445387A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES445387A1 publication Critical patent/ES445387A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
    • 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
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
    • H03M7/3042—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator being of the error feedback type, i.e. having loop filter stages in the feedback path only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M7/3026—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Networks Using Active Elements (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
ES445387A 1975-02-20 1976-02-20 Un convertidor digital-a-analogico. Expired ES445387A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB715775A GB1444216A (en) 1975-02-20 1975-02-20 D/a converter for pcm

Publications (1)

Publication Number Publication Date
ES445387A1 true ES445387A1 (es) 1977-06-16

Family

ID=9827708

Family Applications (1)

Application Number Title Priority Date Filing Date
ES445387A Expired ES445387A1 (es) 1975-02-20 1976-02-20 Un convertidor digital-a-analogico.

Country Status (19)

Country Link
JP (1) JPS51135354A (de)
AR (1) AR212019A1 (de)
AT (1) AT377397B (de)
AU (1) AU497002B2 (de)
BE (1) BE838666A (de)
BR (1) BR7601013A (de)
CA (1) CA1093697A (de)
CH (1) CH607456A5 (de)
DE (1) DE2605724C2 (de)
DK (1) DK148866C (de)
ES (1) ES445387A1 (de)
FR (1) FR2301971A1 (de)
GB (1) GB1444216A (de)
IN (1) IN143625B (de)
IT (1) IT1054867B (de)
NL (1) NL7601414A (de)
NO (1) NO143776C (de)
SE (1) SE410929B (de)
SU (1) SU1132805A3 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228205A (en) * 1975-08-28 1977-03-03 Sony Corp Station selector unit
GB1580447A (en) * 1976-12-01 1980-12-03 Post Office Code converters
NL7801909A (nl) * 1978-02-21 1979-08-23 Philips Nv Inrichting voor het decoderen van een met adap- tieve deltamodulatie gecodeerd signaal.
DE3021012C2 (de) * 1980-06-03 1985-08-22 ANT Nachrichtentechnik GmbH, 7150 Backnang Verallgemeinertes interpolativers Verfahren zur Digital-Analog-Umsetzung von PCM Signalen
US4313173A (en) * 1980-06-10 1982-01-26 Bell Telephone Laboratories, Incorporated Linear interpolator
GB2107949B (en) * 1981-10-15 1985-04-11 Standard Telephones Cables Ltd Digital decoder
DE3203012A1 (de) * 1982-01-29 1983-08-04 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zur erzeugung von interpolationswerten zwischen gespeicherten stuetzwerten
US4786923A (en) * 1982-09-07 1988-11-22 Canon Kabushiki Kaisha Image recording system for image recording in response to signals entered from a recording information generating unit
EP0437301A3 (en) * 1983-07-29 1991-09-25 Burr-Brown Corporation Apparatus and methods for digital-to-analogue conversion
USRE34660E (en) * 1983-07-29 1994-07-12 Burr-Brown Corporation Apparatus and methods for digital-to-analog conversion using modified LSB switching
JPS60106229A (ja) * 1983-11-14 1985-06-11 Rohm Co Ltd デジタルｐｗｍ回路におけるｄ／ａ変換回路
JPS6184119A (ja) * 1984-10-02 1986-04-28 Canon Inc デイジタル・アナログ変換装置
DE3535021A1 (de) * 1984-10-02 1986-04-17 Canon K.K., Tokio/Tokyo Digital/analog-wandlereinrichtung
JPH0824267B2 (ja) * 1984-10-02 1996-03-06 キヤノン株式会社 データ処理装置
JPS6184117A (ja) * 1984-10-02 1986-04-28 Canon Inc デイジタル・アナログ変換装置
JPS6184118A (ja) * 1984-10-02 1986-04-28 Canon Inc デイジタル・アナログ変換装置
JPS6184120A (ja) * 1984-10-02 1986-04-28 Canon Inc デイジタル・アナログ変換装置
GB2183115A (en) * 1985-11-15 1987-05-28 Philips Electronic Associated Digital to analogue converter
DE3709207A1 (de) * 1987-02-28 1988-09-08 Standard Elektrik Lorenz Ag Schaltungsanordnung zum umwandeln von digitalen tonsignalwerten in ein analoges tonsignal
GB9103777D0 (en) * 1991-02-22 1991-04-10 B & W Loudspeakers Analogue and digital convertors
GB2319411B (en) * 1996-11-18 2000-11-15 Fujitsu Ltd Modem signal transmission and/or reception apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110894A (en) * 1959-04-09 1963-11-12 Itt Digital-to-analog converter
US3532864A (en) * 1967-08-08 1970-10-06 United Aircraft Corp Linear interpolation function generation

Also Published As

Publication number Publication date
IN143625B (de) 1978-01-07
JPS51135354A (en) 1976-11-24
AU497002B2 (en) 1978-11-16
NO143776B (no) 1980-12-29
DK148866C (da) 1986-04-21
DK64976A (da) 1976-08-21
NL7601414A (nl) 1976-08-24
BE838666A (nl) 1976-08-18
FR2301971A1 (fr) 1976-09-17
GB1444216A (en) 1976-07-28
DK148866B (da) 1985-10-28
NO760428L (de) 1976-08-23
FR2301971B1 (de) 1982-07-23
ATA121476A (de) 1984-07-15
AU1110076A (en) 1977-08-18
SU1132805A3 (ru) 1984-12-30
AT377397B (de) 1985-03-11
BR7601013A (pt) 1976-09-14
SE410929B (sv) 1979-11-12
SE7601666L (sv) 1976-08-23
DE2605724C2 (de) 1986-01-23
IT1054867B (it) 1981-11-30
CA1093697A (en) 1981-01-13
DE2605724A1 (de) 1976-09-02
JPS5542774B2 (de) 1980-11-01
NO143776C (no) 1981-04-08
CH607456A5 (de) 1978-12-29
AR212019A1 (es) 1978-04-28

Similar Documents

Publication Publication Date Title
ES445387A1 (es) Un convertidor digital-a-analogico.
MY103841A (en) Sigma-delta modulator for d-to-a converter.
FR2276741A1 (fr) Ensemble de transmission de donnees par conversion de signaux a modulation delta lineaire en signaux condenses modulee par impulsions et codage, et vice-versa
DE3872558T2 (de) Duennschichtreaktoren zur umsetzung von methan.
IT7927619A0 (it) Convertitore analogico/digitale a (b+a) bits comprendente un convertitore analogico/digitale ausiliario a b bits.
EP0003480A3 (en) Circuit for converting binary information by means of check bits
SE7604647L (sv) Digital/analog-avkodare
FR2379943B1 (de)
FR2291649A1 (fr) Convertisseur de signaux et plus particulierement convertisseur numerique-analogique a courants ponderes
JPS5451343A (en) Code converter
JPS52121316A (en) Pulse code modulated signal reproducing speaker
JPS5242057A (en) A-d convertor
JPS5312259A (en) Analog digital converter
SE388520B (sv) Anordning for omvandling av en foljd av digitalt kodade informationssignalsampler
JPS52149110A (en) Anologue-digital conversion
SE7601485L (sv) Anleggning for overforing av informationssignaler genom en pulskodmodulation
JPS5278339A (en) Digital filter
JPS5236436A (en) Hologram information sheet making and decoding method
JPS5436906A (en) Information reproducer
JPS53101968A (en) Modulating converter for pcm-forecast code
ES8305543A1 (es) Metodo y codificador para la codificacion de una muestra de se(al analogica.
JPS5391651A (en) Digital amplitude modulator
GB2004149B (en) Pcm codec using common d/a converter for encoding and decoding
AU482231B2 (en) Arrangement for converting pcm samples ofan information signal into pulse code groups characterizing variations ofthe instantaneous value ofthe information signal
JPS55158710A (en) Muting circuit

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970226