IE65822B1 - An interpolative analog-to-digital converter for band-pass signals - Google Patents

An interpolative analog-to-digital converter for band-pass signals

Info

Publication number
IE65822B1
IE65822B1 IE466390A IE466390A IE65822B1 IE 65822 B1 IE65822 B1 IE 65822B1 IE 466390 A IE466390 A IE 466390A IE 466390 A IE466390 A IE 466390A IE 65822 B1 IE65822 B1 IE 65822B1
Authority
IE
Ireland
Prior art keywords
band
analog
digital
pass
stage
Prior art date
Application number
IE466390A
Other languages
English (en)
Other versions
IE904663A1 (en
Inventor
Hans-Joachim Dressler
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 IE904663A1 publication Critical patent/IE904663A1/en
Publication of IE65822B1 publication Critical patent/IE65822B1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • 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
    • H03M3/462—Details relating to the decimation process
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/005—Analog to digital conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0054—Digital filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/006—Signal sampling
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • 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
    • H03M3/40—Arrangements for handling quadrature signals, e.g. complex 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
    • H03M3/436—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
    • H03M3/452—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 weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input
    • 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)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
  • Radar Systems Or Details Thereof (AREA)
IE466390A 1989-12-27 1990-12-19 An interpolative analog-to-digital converter for band-pass signals IE65822B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3943072A DE3943072A1 (de) 1989-12-27 1989-12-27 Ein interpolativer a/d umsetzer fuer bandpasssignale

Publications (2)

Publication Number Publication Date
IE904663A1 IE904663A1 (en) 1991-07-17
IE65822B1 true IE65822B1 (en) 1995-11-15

Family

ID=6396488

Family Applications (1)

Application Number Title Priority Date Filing Date
IE466390A IE65822B1 (en) 1989-12-27 1990-12-19 An interpolative analog-to-digital converter for band-pass signals

Country Status (12)

Country Link
EP (1) EP0573409B1 (enrdf_load_stackoverflow)
JP (1) JPH05505286A (enrdf_load_stackoverflow)
AU (1) AU6954491A (enrdf_load_stackoverflow)
BR (1) BR9007962A (enrdf_load_stackoverflow)
CA (1) CA2072568A1 (enrdf_load_stackoverflow)
DE (2) DE3943072A1 (enrdf_load_stackoverflow)
ES (1) ES2075418T3 (enrdf_load_stackoverflow)
FI (1) FI922956L (enrdf_load_stackoverflow)
IE (1) IE65822B1 (enrdf_load_stackoverflow)
NO (1) NO180178C (enrdf_load_stackoverflow)
PT (1) PT96376B (enrdf_load_stackoverflow)
WO (1) WO1991010283A1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120160A1 (de) * 1991-06-19 1992-12-24 Aeg Mobile Communication Verfahren und anordnung zur verarbeitung von bandpasssignalen
FI107855B (fi) * 1993-09-10 2001-10-15 Nokia Mobile Phones Ltd Vt-signaalin demodulointi sigma-delta-muuntimella
DE19600884A1 (de) * 1996-01-12 1997-07-17 Bosch Gmbh Robert Vorrichtung zum Umsetzen eines analogen in ein digitales Signal und umgekehrt
CA2213156A1 (en) * 1997-08-15 1999-02-15 Philsar Electronics Inc. One bit digital quadrature vector modulator
US6230000B1 (en) 1998-10-15 2001-05-08 Motorola Inc. Product detector and method therefor
EP1515430A1 (en) * 2003-09-15 2005-03-16 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Mixer for the conversion of radio frequency signals into baseband signals
JP6686617B2 (ja) * 2016-03-28 2020-04-22 Tdk株式会社 放射妨害波測定装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080014B1 (de) * 1981-09-26 1986-12-30 Robert Bosch Gmbh Digitaler Demodulator frequenzmodulierter Signale
GB8504710D0 (en) * 1985-02-23 1985-03-27 Plessey Co Plc Analogue to digital converter
GB8520943D0 (en) * 1985-08-21 1985-09-25 Gen Electric Analogue-to-digital conversion
US4737728A (en) * 1986-02-28 1988-04-12 Hitachi, Ltd. Digitally processed demodulator for quadrature modulated signals
US4750214A (en) * 1986-06-11 1988-06-07 Rockwell International Corporation Digital FM demodulator using delayed signal product with arctangent
US4888557A (en) * 1989-04-10 1989-12-19 General Electric Company Digital subharmonic sampling down-converter

Also Published As

Publication number Publication date
ES2075418T3 (es) 1995-10-01
EP0573409B1 (de) 1995-05-31
WO1991010283A1 (de) 1991-07-11
FI922956A0 (fi) 1992-06-25
FI922956A7 (fi) 1992-06-25
PT96376A (pt) 1993-01-29
JPH05505286A (ja) 1993-08-05
NO922548D0 (no) 1992-06-26
DE3943072C2 (enrdf_load_stackoverflow) 1992-07-02
FI922956L (fi) 1992-06-25
DE3943072A1 (de) 1991-07-11
EP0573409A1 (de) 1993-12-15
NO180178C (no) 1997-02-26
CA2072568A1 (en) 1991-06-28
PT96376B (pt) 1998-07-31
NO180178B (no) 1996-11-18
BR9007962A (pt) 1992-10-13
IE904663A1 (en) 1991-07-17
DE59009191D1 (de) 1995-07-06
NO922548L (no) 1992-06-26
AU6954491A (en) 1991-07-24

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Legal Events

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