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DE3679680D1 - Konverter mit ueberabtastung. - Google Patents

Konverter mit ueberabtastung.

Info

Publication number
DE3679680D1
DE3679680D1 DE8686101353T DE3679680T DE3679680D1 DE 3679680 D1 DE3679680 D1 DE 3679680D1 DE 8686101353 T DE8686101353 T DE 8686101353T DE 3679680 T DE3679680 T DE 3679680T DE 3679680 D1 DE3679680 D1 DE 3679680D1
Authority
DE
Germany
Prior art keywords
converter
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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
DE8686101353T
Other languages
English (en)
Inventor
Kuniharu Uchimura
Tsutomu Kobayashi
Atsushi Iwata
Toshio Hayashi
Tadakatsu Kimura
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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
Priority claimed from JP1850785A external-priority patent/JPS61177819A/ja
Priority claimed from JP1850685A external-priority patent/JPS61177818A/ja
Priority claimed from JP1214386A external-priority patent/JPS62171321A/ja
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE3679680D1 publication Critical patent/DE3679680D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/414—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
    • H03M3/418—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type all these quantisers being single bit quantisers
    • 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
    • H03M7/3022—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
DE8686101353T 1985-02-04 1986-02-03 Konverter mit ueberabtastung. Expired - Lifetime DE3679680D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1850785A JPS61177819A (ja) 1985-02-04 1985-02-04 オ−バ−サンプリング形デイジタル・アナログ変換器
JP1850685A JPS61177818A (ja) 1985-02-04 1985-02-04 オ−バ−サンプリング形アナログ・デイジタル変換器
JP1214386A JPS62171321A (ja) 1986-01-24 1986-01-24 オ−バ−サンプリング形アナログ・デイジタル変換器

Publications (1)

Publication Number Publication Date
DE3679680D1 true DE3679680D1 (de) 1991-07-18

Family

ID=27279722

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686101353T Expired - Lifetime DE3679680D1 (de) 1985-02-04 1986-02-03 Konverter mit ueberabtastung.

Country Status (3)

Country Link
EP (1) EP0190694B1 (de)
CA (1) CA1239704A (de)
DE (1) DE3679680D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2543095B2 (ja) * 1987-09-14 1996-10-16 松下電器産業株式会社 オ―バ―サンプリング型ｄ／ａ変換器
US4876542A (en) * 1988-01-25 1989-10-24 Motorola, Inc. Multiple output oversampling A/D converter with each output containing data and noise
US4857928A (en) * 1988-01-28 1989-08-15 Motorola, Inc. Method and arrangement for a sigma delta converter for bandpass signals
JPH01204528A (ja) * 1988-02-10 1989-08-17 Fujitsu Ltd Ａ／ｄ変換器
US4918454A (en) * 1988-10-13 1990-04-17 Crystal Semiconductor Corporation Compensated capacitors for switched capacitor input of an analog-to-digital converter
DE69123366T2 (de) * 1990-01-31 1997-03-27 Analog Devices Inc., Norwood, Mass. Digitale Rauschformerschaltung
US6469684B1 (en) 1999-09-13 2002-10-22 Hewlett-Packard Company Cole sequence inversion circuitry for active matrix device
US10652056B2 (en) 2017-11-14 2020-05-12 Cable Television Laboratories, Inc Systems and methods for delta-sigma digitization

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624558A (en) * 1970-01-16 1971-11-30 Bell Telephone Labor Inc Delta modulation encoder having double integration
NL8101199A (nl) * 1981-03-12 1982-10-01 Philips Nv Systeem voor het kwantiseren van signalen.

Also Published As

Publication number Publication date
CA1239704A (en) 1988-07-26
EP0190694A2 (de) 1986-08-13
EP0190694A3 (en) 1988-05-18
EP0190694B1 (de) 1991-06-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition