NO143776C - Digital/analog omformer. - Google Patents

Digital/analog omformer.

Info

Publication number
NO143776C
NO143776C NO760428A NO760428A NO143776C NO 143776 C NO143776 C NO 143776C NO 760428 A NO760428 A NO 760428A NO 760428 A NO760428 A NO 760428A NO 143776 C NO143776 C NO 143776C
Authority
NO
Norway
Prior art keywords
digital
analog converter
analog
converter
Prior art date
Application number
NO760428A
Other languages
English (en)
Norwegian (no)
Other versions
NO143776B (no
NO760428L (xx
Inventor
Michael John Gingell
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of NO760428L publication Critical patent/NO760428L/no
Publication of NO143776B publication Critical patent/NO143776B/no
Publication of NO143776C publication Critical patent/NO143776C/no

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)
NO760428A 1975-02-20 1976-02-11 Digital/analog omformer. NO143776C (no)

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 (3)

Publication Number Publication Date
NO760428L NO760428L (xx) 1976-08-23
NO143776B NO143776B (no) 1980-12-29
NO143776C true NO143776C (no) 1981-04-08

Family

ID=9827708

Family Applications (1)

Application Number Title Priority Date Filing Date
NO760428A NO143776C (no) 1975-02-20 1976-02-11 Digital/analog omformer.

Country Status (19)

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

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
EP0142907B1 (en) * 1983-07-29 1993-03-17 Burr-Brown Corporation Apparatus and methods for analogue-to-digital and 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
JPH0824267B2 (ja) * 1984-10-02 1996-03-06 キヤノン株式会社 データ処理装置
DE3535021A1 (de) * 1984-10-02 1986-04-17 Canon K.K., Tokio/Tokyo Digital/analog-wandlereinrichtung
JPS6184119A (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
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
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
AT377397B (de) 1985-03-11
DK148866B (da) 1985-10-28
JPS51135354A (en) 1976-11-24
DE2605724C2 (de) 1986-01-23
GB1444216A (en) 1976-07-28
BR7601013A (pt) 1976-09-14
CA1093697A (en) 1981-01-13
AU1110076A (en) 1977-08-18
IT1054867B (it) 1981-11-30
FR2301971B1 (xx) 1982-07-23
AU497002B2 (en) 1978-11-16
SU1132805A3 (ru) 1984-12-30
NL7601414A (nl) 1976-08-24
NO143776B (no) 1980-12-29
ATA121476A (de) 1984-07-15
AR212019A1 (es) 1978-04-28
JPS5542774B2 (xx) 1980-11-01
DE2605724A1 (de) 1976-09-02
SE7601666L (sv) 1976-08-23
BE838666A (nl) 1976-08-18
DK148866C (da) 1986-04-21
IN143625B (xx) 1978-01-07
NO760428L (xx) 1976-08-23
FR2301971A1 (fr) 1976-09-17
SE410929B (sv) 1979-11-12
DK64976A (da) 1976-08-21
ES445387A1 (es) 1977-06-16
CH607456A5 (xx) 1978-12-29

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