DE69839192D1 - Funkempfänger mit einem sigma-delta-digital/analog-wandler - Google Patents

Funkempfänger mit einem sigma-delta-digital/analog-wandler

Info

Publication number
DE69839192D1
DE69839192D1 DE69839192T DE69839192T DE69839192D1 DE 69839192 D1 DE69839192 D1 DE 69839192D1 DE 69839192 T DE69839192 T DE 69839192T DE 69839192 T DE69839192 T DE 69839192T DE 69839192 D1 DE69839192 D1 DE 69839192D1
Authority
DE
Germany
Prior art keywords
analog converter
radio receiver
sigma delta
delta digital
digital
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
DE69839192T
Other languages
English (en)
Other versions
DE69839192T2 (de
Inventor
Seyfollah S Bazarjani
Steven C Ciccarelli
Saed G Younis
Daniel K Butterfield
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE69839192D1 publication Critical patent/DE69839192D1/de
Publication of DE69839192T2 publication Critical patent/DE69839192T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0032—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage with analogue quadrature frequency conversion to and from the baseband
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • 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
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0039—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
DE69839192T 1997-12-09 1998-12-08 Funkempfänger mit einem sigma-delta-digital/analog-wandler Expired - Lifetime DE69839192T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/987,306 US6005506A (en) 1997-12-09 1997-12-09 Receiver with sigma-delta analog-to-digital converter for sampling a received signal
US987306 1997-12-09
PCT/US1998/026051 WO1999030428A1 (en) 1997-12-09 1998-12-08 Receiver with sigma-delta analog-to-digital converter

Publications (2)

Publication Number Publication Date
DE69839192D1 true DE69839192D1 (de) 2008-04-10
DE69839192T2 DE69839192T2 (de) 2009-02-26

Family

ID=25533178

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69839192T Expired - Lifetime DE69839192T2 (de) 1997-12-09 1998-12-08 Funkempfänger mit einem sigma-delta-digital/analog-wandler

Country Status (17)

Country Link
US (1) US6005506A (de)
EP (1) EP1040587B1 (de)
JP (1) JP2001526487A (de)
KR (1) KR100712412B1 (de)
CN (1) CN1178401C (de)
AR (1) AR017818A1 (de)
AU (1) AU746148B2 (de)
BR (1) BR9813414A (de)
CA (1) CA2313139C (de)
DE (1) DE69839192T2 (de)
DK (1) DK1040587T3 (de)
ES (1) ES2301217T3 (de)
IL (1) IL136403A0 (de)
MX (1) MXPA00005773A (de)
MY (1) MY114831A (de)
WO (1) WO1999030428A1 (de)
ZA (1) ZA9811125B (de)

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IL136403A0 (en) 2001-06-14
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DE69839192T2 (de) 2009-02-26
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AR017818A1 (es) 2001-10-24
AU1717899A (en) 1999-06-28
CA2313139A1 (en) 1999-06-17
US6005506A (en) 1999-12-21
KR20010032840A (ko) 2001-04-25
ZA9811125B (en) 2000-10-10
EP1040587A1 (de) 2000-10-04
WO1999030428A1 (en) 1999-06-17
CN1178401C (zh) 2004-12-01
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EP1040587B1 (de) 2008-02-27
CN1281597A (zh) 2001-01-24

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