NO304169B1 - FremgangsmÕte og krets for digital/analog omvandling - Google Patents

FremgangsmÕte og krets for digital/analog omvandling Download PDF

Info

Publication number
NO304169B1
NO304169B1 NO922267A NO922267A NO304169B1 NO 304169 B1 NO304169 B1 NO 304169B1 NO 922267 A NO922267 A NO 922267A NO 922267 A NO922267 A NO 922267A NO 304169 B1 NO304169 B1 NO 304169B1
Authority
NO
Norway
Prior art keywords
flop
flip
signal
comparator
digital
Prior art date
Application number
NO922267A
Other languages
English (en)
Norwegian (no)
Other versions
NO922267D0 (no
NO922267L (no
Inventor
Hans-Joachim Dressler
Ingo Lipp
Original Assignee
Aeg Mobile Communication
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 Aeg Mobile Communication filed Critical Aeg Mobile Communication
Publication of NO922267D0 publication Critical patent/NO922267D0/no
Publication of NO922267L publication Critical patent/NO922267L/no
Publication of NO304169B1 publication Critical patent/NO304169B1/no

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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/464—Details of the digital/analogue conversion in the feedback path
    • 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
    • H03M3/402—Arrangements specific to bandpass modulators
    • 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
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
    • 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
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/45—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedforward inputs, i.e. with forward paths from the modulator input to more than one filter stage
    • 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
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/454—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Networks Using Active Elements (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Filters And Equalizers (AREA)
NO922267A 1991-06-19 1992-06-10 FremgangsmÕte og krets for digital/analog omvandling NO304169B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4120160A DE4120160A1 (de) 1991-06-19 1991-06-19 Verfahren und anordnung zur verarbeitung von bandpasssignalen

Publications (3)

Publication Number Publication Date
NO922267D0 NO922267D0 (no) 1992-06-10
NO922267L NO922267L (no) 1992-12-21
NO304169B1 true NO304169B1 (no) 1998-11-02

Family

ID=6434249

Family Applications (1)

Application Number Title Priority Date Filing Date
NO922267A NO304169B1 (no) 1991-06-19 1992-06-10 FremgangsmÕte og krets for digital/analog omvandling

Country Status (5)

Country Link
EP (1) EP0521315B1 (enrdf_load_stackoverflow)
AT (1) ATE152869T1 (enrdf_load_stackoverflow)
DE (2) DE4120160A1 (enrdf_load_stackoverflow)
FI (1) FI922857A7 (enrdf_load_stackoverflow)
NO (1) NO304169B1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1184660A (en) * 1981-06-12 1985-03-26 Robert W. Harris Enhanced delta modulation encoder
DE3924505A1 (de) * 1989-07-25 1991-01-31 Ant Nachrichtentech Hochaufloesender a/d-umsetzer
DE3943072A1 (de) * 1989-12-27 1991-07-11 Licentia Gmbh Ein interpolativer a/d umsetzer fuer bandpasssignale

Also Published As

Publication number Publication date
EP0521315A2 (de) 1993-01-07
EP0521315B1 (de) 1997-05-07
DE59208444D1 (de) 1997-06-12
NO922267D0 (no) 1992-06-10
FI922857L (fi) 1992-12-20
ATE152869T1 (de) 1997-05-15
FI922857A0 (fi) 1992-06-18
NO922267L (no) 1992-12-21
DE4120160A1 (de) 1992-12-24
EP0521315A3 (enrdf_load_stackoverflow) 1994-03-23
FI922857A7 (fi) 1992-12-20

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