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FI871897A0 - DIGITAL RADIO FREQUENCY MOTOR. - Google Patents

DIGITAL RADIO FREQUENCY MOTOR.

Info

Publication number
FI871897A0
FI871897A0 FI871897A FI871897A FI871897A0 FI 871897 A0 FI871897 A0 FI 871897A0 FI 871897 A FI871897 A FI 871897A FI 871897 A FI871897 A FI 871897A FI 871897 A0 FI871897 A0 FI 871897A0
Authority
FI
Finland
Prior art keywords
radio frequency
frequency motor
digital radio
digital
motor
Prior art date
Application number
FI871897A
Other languages
Finnish (fi)
Other versions
FI85076C (en
FI85076B (en
FI871897A (en
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 FI871897A0 publication Critical patent/FI871897A0/en
Publication of FI871897A publication Critical patent/FI871897A/en
Application granted granted Critical
Publication of FI85076B publication Critical patent/FI85076B/en
Publication of FI85076C publication Critical patent/FI85076C/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
    • H03D1/24—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)
FI871897A 1985-09-03 1987-04-29 Digital radio frequency receiver FI85076C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US77173685A 1985-09-03 1985-09-03
US77173685 1985-09-03
US8601764 1986-08-25
PCT/US1986/001764 WO1987001531A1 (en) 1985-09-03 1986-08-25 Digital radio frequency receiver

Publications (4)

Publication Number Publication Date
FI871897A0 true FI871897A0 (en) 1987-04-29
FI871897A FI871897A (en) 1987-04-29
FI85076B FI85076B (en) 1991-11-15
FI85076C FI85076C (en) 1992-02-25

Family

ID=25092810

Family Applications (1)

Application Number Title Priority Date Filing Date
FI871897A FI85076C (en) 1985-09-03 1987-04-29 Digital radio frequency receiver

Country Status (9)

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

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 (en) * 1988-10-07 1995-09-20 日本電気株式会社 Demodulator
US5058107A (en) * 1989-01-05 1991-10-15 Hughes Aircraft Company Efficient digital frequency division multiplexed signal receiver
US5008900A (en) * 1989-08-14 1991-04-16 International Mobile Machines Corporation Subscriber unit for wireless digital subscriber communication system
NL194632C (en) * 1989-08-14 2002-09-03 Interdigital Tech Corp Subscriber unit for a wireless digital telephone communication system.
US5146473A (en) 1989-08-14 1992-09-08 International Mobile Machines Corporation Subscriber unit for wireless digital subscriber communication system
JP2806997B2 (en) * 1989-11-15 1998-09-30 株式会社日立製作所 Demodulator
DE69123893T2 (en) * 1990-08-08 1997-07-10 Nat Semiconductor Corp Synchronous detection of FSK signals
FR2702902B1 (en) * 1993-03-15 1995-04-21 Alcatel Radiotelephone Digital intermediate frequency receiver and baseband filtering method implemented in this receiver.
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
CN1134902C (en) 1998-12-30 2004-01-14 因芬尼昂技术股份公司 Circuit arrangement for multistandard communication terminal
GB2399470B (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
KR20050115258A (en) * 2003-02-28 2005-12-07 실리콘 래버래토리즈 , 인코포레이티드 Tuner for radio frequency and associated method
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
US7358885B2 (en) 2003-02-28 2008-04-15 Silicon Laboratories, Inc. Mixing DAC architectures for a radio frequency receiver
US7447493B2 (en) 2003-02-28 2008-11-04 Silicon Laboratories, Inc. Tuner suitable for integration and method for tuning a radio frequency signal
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 (en) * 2019-08-26 2020-07-10 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Active phased antenna array

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 (en) * 1974-12-27 1976-07-23 Ibm France DIGITAL DATA DETECTION SYSTEM TRANSMITTED BY MODULATION OF A CARRIER
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 (en) * 1980-03-01 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt DIGITAL RECEIVER
DE3114063A1 (en) * 1981-04-07 1982-10-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt RECEPTION SYSTEM
GB2106734B (en) * 1981-09-15 1986-01-15 Standard Telephones Cables Ltd Radio receiver
DE3138464A1 (en) * 1981-09-26 1983-04-14 Robert Bosch Gmbh, 7000 Stuttgart Method for the digital demodulation of frequency-modulated signals
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
WO1986005936A1 (en) * 1985-04-04 1986-10-09 Motorola, Inc. Digital zero-if selectivity section

Also Published As

Publication number Publication date
AU611317B2 (en) 1991-06-06
AU611318B2 (en) 1991-06-06
AU4010089A (en) 1989-12-07
AU6335586A (en) 1987-03-24
KR880700532A (en) 1988-03-15
DK184287D0 (en) 1987-04-10
AU4009989A (en) 1989-12-07
WO1987001531A1 (en) 1987-03-12
DK184287A (en) 1987-04-10
AU611584B2 (en) 1991-06-13
EP0235264A4 (en) 1990-02-26
AU4010189A (en) 1989-12-07
EP0235264A1 (en) 1987-09-09
JP2829605B2 (en) 1998-11-25
AU591181B2 (en) 1989-11-30
MY103057A (en) 1993-04-30
FI85076C (en) 1992-02-25
CA1304786C (en) 1992-07-07
FI85076B (en) 1991-11-15
FI871897A (en) 1987-04-29
JPS63500766A (en) 1988-03-17

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: MOTOROLA, INC.

MA Patent expired