DK184287D0 - Digital radiofrekvensmodtager - Google Patents

Digital radiofrekvensmodtager

Info

Publication number
DK184287D0
DK184287D0 DK184287A DK184287A DK184287D0 DK 184287 D0 DK184287 D0 DK 184287D0 DK 184287 A DK184287 A DK 184287A DK 184287 A DK184287 A DK 184287A DK 184287 D0 DK184287 D0 DK 184287D0
Authority
DK
Denmark
Prior art keywords
radio frequency
digital radio
frequency receiver
receiver
digital
Prior art date
Application number
DK184287A
Other languages
English (en)
Other versions
DK184287A (da
Inventor
Robert Vincent Janc
Steven Charles Jasper
Lester Anderson Longley
Katherine Helen Lambert
William Joseph Turney
Ross James Lillie
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of DK184287D0 publication Critical patent/DK184287D0/da
Publication of DK184287A publication Critical patent/DK184287A/da

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
    • H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
    • 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
    • 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
    • H03D2200/0052—Digital to analog conversion
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Analogue/Digital Conversion (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
DK184287A 1985-09-03 1987-04-10 Digital radiofrekvensmodtager DK184287A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77173685A 1985-09-03 1985-09-03
PCT/US1986/001764 WO1987001531A1 (en) 1985-09-03 1986-08-25 Digital radio frequency receiver

Publications (2)

Publication Number Publication Date
DK184287D0 true DK184287D0 (da) 1987-04-10
DK184287A DK184287A (da) 1987-04-10

Family

ID=25092810

Family Applications (1)

Application Number Title Priority Date Filing Date
DK184287A DK184287A (da) 1985-09-03 1987-04-10 Digital radiofrekvensmodtager

Country Status (9)

Country Link
EP (1) EP0235264A4 (da)
JP (1) JP2829605B2 (da)
KR (1) KR880700532A (da)
AU (4) AU591181B2 (da)
CA (1) CA1304786C (da)
DK (1) DK184287A (da)
FI (1) FI85076C (da)
MY (1) MY103057A (da)
WO (1) WO1987001531A1 (da)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857928A (en) * 1988-01-28 1989-08-15 Motorola, Inc. Method and arrangement for a sigma delta converter for bandpass signals
US4808939A (en) * 1988-04-04 1989-02-28 Unisys Corporation Variable rate rectangular matched filter
JPH0787476B2 (ja) * 1988-10-07 1995-09-20 日本電気株式会社 復調装置
US5058107A (en) * 1989-01-05 1991-10-15 Hughes Aircraft Company Efficient digital frequency division multiplexed signal receiver
US5146473A (en) * 1989-08-14 1992-09-08 International Mobile Machines Corporation Subscriber unit for wireless digital subscriber communication system
NL194632C (nl) * 1989-08-14 2002-09-03 Interdigital Tech Corp Abonnee-eenheid voor een draadloos digitaal telefooncommunicatiesysteem.
US5008900A (en) * 1989-08-14 1991-04-16 International Mobile Machines Corporation Subscriber unit for wireless digital subscriber communication system
JP2806997B2 (ja) * 1989-11-15 1998-09-30 株式会社日立製作所 復調器
DE69123893T2 (de) * 1990-08-08 1997-07-10 Nat Semiconductor Corp Synchrone Detektion von FSK-Signalen
FR2702902B1 (fr) * 1993-03-15 1995-04-21 Alcatel Radiotelephone Récepteur numérique à fréquence intermédiaire et procédé de filtrage en bande de base mis en Óoeuvre dans ce récepteur.
GB2282925B (en) * 1993-09-30 1998-04-15 Plessey Semiconductors Ltd Direct conversion receivers
US6633550B1 (en) 1997-02-20 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Radio transceiver on a chip
US6160859A (en) * 1998-10-19 2000-12-12 Motorola, Inc. Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using the same
EP1142144B1 (de) * 1998-12-30 2003-11-12 Infineon Technologies AG Schaltungsanordnung für ein mehrstandard-kommunikationsendgerät
GB2362279B (en) * 2000-05-12 2004-12-29 Global Silicon Ltd Radio receiver
US6775530B2 (en) * 2001-11-27 2004-08-10 Qualcomm Inc. Direct conversion of narrow-band RF signals
US7447493B2 (en) 2003-02-28 2008-11-04 Silicon Laboratories, Inc. Tuner suitable for integration and method for tuning a radio frequency signal
US7358885B2 (en) 2003-02-28 2008-04-15 Silicon Laboratories, Inc. Mixing DAC architectures for a radio frequency receiver
US7425995B2 (en) 2003-02-28 2008-09-16 Silicon Laboratories, Inc. Tuner using a direct digital frequency synthesizer, television receiver using such a tuner, and method therefor
WO2004079924A2 (en) 2003-02-28 2004-09-16 Silicon Laboratories Inc. Tuner for radio frequency receivers and associated method
US7676210B2 (en) 2003-09-29 2010-03-09 Tod Paulus Method for performing dual mode image rejection calibration in a receiver
US7773968B2 (en) 2006-11-30 2010-08-10 Silicon Laboratories, Inc. Interface/synchronization circuits for radio frequency receivers with mixing DAC architectures
US7599676B2 (en) 2007-01-31 2009-10-06 Silicon Laboratories, Inc. Power consumption reduction techniques for an RF receiver implementing a mixing DAC architecture
RU2726281C1 (ru) * 2019-08-26 2020-07-10 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Активная фазированная антенная решетка

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611144A (en) * 1969-03-03 1971-10-05 Datamax Corp Signal transmission system with coherent detection and distortion correction
US4090145A (en) * 1969-03-24 1978-05-16 Webb Joseph A Digital quadrature demodulator
US4037049A (en) * 1974-10-18 1977-07-19 Intertel, Inc. Modulator and demodulator for data communications network
FR2296322A1 (fr) * 1974-12-27 1976-07-23 Ibm France Systeme de detection de donnees numeriques transmises par modulation d'une porteuse
US4311964A (en) * 1979-09-21 1982-01-19 Westinghouse Electric Corp. Coherent phase shift keyed demodulator for power line communication systems
US4379284A (en) * 1979-09-21 1983-04-05 Westinghouse Electric Corp. Coherent phase shift keyed demodulator for power line communication systems
DE3007907A1 (de) * 1980-03-01 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitaler empfaenger
DE3114063A1 (de) * 1981-04-07 1982-10-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Empfangssystem
GB2106734B (en) * 1981-09-15 1986-01-15 Standard Telephones Cables Ltd Radio receiver
DE3138464A1 (de) * 1981-09-26 1983-04-14 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur digitalen demodulation frequenzmodulierter signale
US4606045A (en) * 1982-08-02 1986-08-12 Trw Inc. Method and apparatus for detecting an equalizer training period in a receiving-end modem
US4555790A (en) * 1983-06-30 1985-11-26 Betts William L Digital modem having a monitor for signal-to-noise ratio
US4583236A (en) * 1983-11-04 1986-04-15 Racal Data Communications Inc. Modified absolute phase detector
AU572841B2 (en) * 1984-04-20 1988-05-19 Motorola, Inc. Extended threshold analog to digital conversion apparatus foran rf receiver
US4560941A (en) * 1984-09-21 1985-12-24 General Electric Company Frequency modulation detector using digital signal vector processing
EP0216803B1 (en) * 1985-04-04 1993-03-31 Motorola, Inc. Digital zero-if selectivity section

Also Published As

Publication number Publication date
AU611317B2 (en) 1991-06-06
AU611318B2 (en) 1991-06-06
FI871897A (fi) 1987-04-29
FI85076B (fi) 1991-11-15
JPS63500766A (ja) 1988-03-17
MY103057A (en) 1993-04-30
KR880700532A (ko) 1988-03-15
FI871897A0 (fi) 1987-04-29
AU4009989A (en) 1989-12-07
WO1987001531A1 (en) 1987-03-12
AU611584B2 (en) 1991-06-13
FI85076C (fi) 1992-02-25
AU4010189A (en) 1989-12-07
AU6335586A (en) 1987-03-24
EP0235264A1 (en) 1987-09-09
AU4010089A (en) 1989-12-07
EP0235264A4 (en) 1990-02-26
JP2829605B2 (ja) 1998-11-25
AU591181B2 (en) 1989-11-30
DK184287A (da) 1987-04-10
CA1304786C (en) 1992-07-07

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment