FI905607A - Mottagare med direkt kvadratursampling av ingaongssignalen. - Google Patents

Mottagare med direkt kvadratursampling av ingaongssignalen. Download PDF

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Publication number
FI905607A
FI905607A FI905607A FI905607A FI905607A FI 905607 A FI905607 A FI 905607A FI 905607 A FI905607 A FI 905607A FI 905607 A FI905607 A FI 905607A FI 905607 A FI905607 A FI 905607A
Authority
FI
Finland
Prior art keywords
quadratural
directive
sampling
procedure
inside signals
Prior art date
Application number
FI905607A
Other languages
English (en)
Other versions
FI103159B (fi
FI905607A0 (fi
FI103159B1 (fi
Inventor
Werner Rosenkranz
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of FI905607A0 publication Critical patent/FI905607A0/fi
Publication of FI905607A publication Critical patent/FI905607A/fi
Application granted granted Critical
Publication of FI103159B publication Critical patent/FI103159B/fi
Publication of FI103159B1 publication Critical patent/FI103159B1/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling
FI905607A 1989-11-16 1990-11-13 Sisääntulosignaalin suoraan kvadratuurinäytteyttävä vastaanotin FI103159B1 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3938126 1989-11-16
DE3938126A DE3938126A1 (de) 1989-11-16 1989-11-16 Empfaenger mit direkter quadratur-abtastung des eingangssignals

Publications (4)

Publication Number Publication Date
FI905607A0 FI905607A0 (fi) 1990-11-13
FI905607A true FI905607A (fi) 1991-05-17
FI103159B FI103159B (fi) 1999-04-30
FI103159B1 FI103159B1 (fi) 1999-04-30

Family

ID=6393664

Family Applications (1)

Application Number Title Priority Date Filing Date
FI905607A FI103159B1 (fi) 1989-11-16 1990-11-13 Sisääntulosignaalin suoraan kvadratuurinäytteyttävä vastaanotin

Country Status (7)

Country Link
US (1) US5142553A (fi)
EP (1) EP0428226B1 (fi)
JP (1) JP2991245B2 (fi)
KR (1) KR0176696B1 (fi)
CA (1) CA2029802C (fi)
DE (2) DE3938126A1 (fi)
FI (1) FI103159B1 (fi)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244410B (en) * 1990-05-25 1994-08-31 Technophone Ltd Quadrature demodulator
FR2691315B1 (fr) * 1992-05-15 1995-02-24 France Telecom Dispositif numérique de génération de l'enveloppe complexe d'un signal de porteuses modulées en quadrature.
JP3003826B2 (ja) * 1992-12-11 2000-01-31 三菱電機株式会社 クロック再生回路
US5375146A (en) * 1993-05-06 1994-12-20 Comsat Corporation Digital frequency conversion and tuning scheme for microwave radio receivers and transmitters
US5410499A (en) * 1994-03-31 1995-04-25 The United States Of America As Represented By The Secretary Of The Navy Phase shifter for directly sampled bandpass signals
JP3055085B2 (ja) * 1994-04-22 2000-06-19 株式会社アドバンテスト デジタル変調解析装置
JPH07321862A (ja) * 1994-05-25 1995-12-08 Matsushita Electric Ind Co Ltd ディジタル変調波復調装置
US5841814A (en) * 1995-10-17 1998-11-24 Paradyne Corporation Sampling system for radio frequency receiver
FR2752348B1 (fr) * 1996-08-07 1998-09-18 Telecommunications Sa Demodulateur a circuit numerique de recuperation de porteuse et de rythme
US5937341A (en) * 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
US6151354A (en) * 1997-12-19 2000-11-21 Rockwell Science Center Multi-mode, multi-band, multi-user radio system architecture
FR2780590B1 (fr) 1998-06-29 2000-10-06 Sgs Thomson Microelectronics Demodulateur qpsk a entree en frequence intermediaire
DE60032876T2 (de) 1999-10-04 2007-05-24 Nec Corp. Paralleles fir-filter sowie solches filter enthaltende demodulatoren zur verarbeitung eines digitalen signals
DE10005497A1 (de) 2000-02-08 2001-08-09 Infineon Technologies Ag Verfahren und Schaltungsanordnung zum Demodulieren eines quadraturamplituden- oder phasenmodulierten Signals
US7388931B1 (en) * 2002-06-12 2008-06-17 Marvell International Ltd. ADC architecture for wireless applications
US7272375B2 (en) 2004-06-30 2007-09-18 Silicon Laboratories Inc. Integrated low-IF terrestrial audio broadcast receiver and associated method
GB0421930D0 (en) * 2004-10-01 2004-11-03 Nokia Corp Signal receiver
US7714760B2 (en) * 2008-06-27 2010-05-11 Entropic Communications, Inc. Apparatus and methods for direct quadrature sampling
GB0903157D0 (en) 2009-02-25 2009-04-08 Innovation Res & Technology Pl Demodulation mixing
US20110043286A1 (en) * 2009-08-18 2011-02-24 Gerald Youngblood Direct conversion receiver
US9490944B2 (en) 2012-10-12 2016-11-08 Innoventure L.P. Phase sector based RF signal acquisition
US9484968B2 (en) 2012-10-12 2016-11-01 Innoventure L.P. Post conversion mixing
US9225368B2 (en) 2012-10-12 2015-12-29 Innoventure L.P. Periodic time segment sequence based signal generation
US9264268B2 (en) 2012-10-12 2016-02-16 Innoventure L.P. Periodic time segment sequence based decimation
US9484969B2 (en) 2012-10-12 2016-11-01 Innoventure L.P. Delta-pi signal acquisition

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079329A (en) * 1976-11-11 1978-03-14 Harris Corporation Signal demodulator including data normalization
US4412302A (en) * 1980-12-15 1983-10-25 Rca Corporation Digital phase demodulation and correlation
JPS5923945A (ja) * 1982-07-30 1984-02-07 Toshiba Corp 無線回線信号の検出方式
US4733403A (en) * 1986-05-12 1988-03-22 Motorola, Inc. Digital zero IF selectivity section
US4910752A (en) * 1987-06-15 1990-03-20 Motorola, Inc. Low power digital receiver
US4779054A (en) * 1987-08-17 1988-10-18 General Electric Company Digital inphase/quadrature product detector
DE3815055A1 (de) * 1988-05-04 1989-11-16 Standard Elektrik Lorenz Ag Quadratur-empfaenger
DE3823374A1 (de) * 1988-07-09 1990-01-18 Philips Patentverwaltung Vorrichtung zur entzerrung und demodulation winkelmodulierter datensignale

Also Published As

Publication number Publication date
JPH03293843A (ja) 1991-12-25
FI103159B (fi) 1999-04-30
DE59010483D1 (de) 1996-10-10
DE3938126A1 (de) 1991-05-23
JP2991245B2 (ja) 1999-12-20
EP0428226B1 (de) 1996-09-04
KR0176696B1 (ko) 1999-05-15
CA2029802C (en) 2000-12-12
CA2029802A1 (en) 1991-05-17
EP0428226A3 (en) 1993-01-13
FI905607A0 (fi) 1990-11-13
EP0428226A2 (de) 1991-05-22
KR910010931A (ko) 1991-06-29
US5142553A (en) 1992-08-25
FI103159B1 (fi) 1999-04-30

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Legal Events

Date Code Title Description
HC Name/ company changed in application

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V.

HC Name/ company changed in application

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V.

FG Patent granted

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V.

MA Patent expired