FI903235A0 - Radiomottagare. - Google Patents

Radiomottagare.

Info

Publication number
FI903235A0
FI903235A0 FI903235A FI903235A FI903235A0 FI 903235 A0 FI903235 A0 FI 903235A0 FI 903235 A FI903235 A FI 903235A FI 903235 A FI903235 A FI 903235A FI 903235 A0 FI903235 A0 FI 903235A0
Authority
FI
Finland
Prior art keywords
radio receiver
receiver
radio
Prior art date
Application number
FI903235A
Other languages
English (en)
Inventor
Gwilym Francis Luff
John Francis Wilson
Richard John Youell
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 FI903235A0 publication Critical patent/FI903235A0/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
    • H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation
    • 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
    • H03D3/008—Compensating DC offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/142—Compensating direct current components occurring during the demodulation and which are caused by mistuning
    • 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
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Transmission System (AREA)
FI903235A 1989-06-30 1990-06-27 Radiomottagare. FI903235A0 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8915063A GB2233535A (en) 1989-06-30 1989-06-30 Radio receiver

Publications (1)

Publication Number Publication Date
FI903235A0 true FI903235A0 (fi) 1990-06-27

Family

ID=10659342

Family Applications (1)

Application Number Title Priority Date Filing Date
FI903235A FI903235A0 (fi) 1989-06-30 1990-06-27 Radiomottagare.

Country Status (6)

Country Link
US (1) US5197085A (fi)
EP (1) EP0405676B1 (fi)
JP (1) JP3088110B2 (fi)
DE (1) DE69030216T2 (fi)
FI (1) FI903235A0 (fi)
GB (1) GB2233535A (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59209339D1 (de) * 1991-11-25 1998-06-25 Siemens Ag Oesterreich Demodulationsverfahren mit anwendung einer quadraturmodulation
TW214027B (en) * 1992-06-12 1993-10-01 Philips Electronics Nv FM quadrature demodulator
JPH06268694A (ja) * 1993-03-12 1994-09-22 Matsushita Electric Ind Co Ltd 直接変換受信機用ｆｓｋ復調器
JP3508956B2 (ja) * 1995-04-13 2004-03-22 ソニー株式会社 周波数変調信号復調回路及び通信端末装置
DE19534756C2 (de) * 1995-09-19 1999-04-08 Siemens Ag Verfahren zur Detektion und zur Auswertung von Hilfssignalen
US6081560A (en) * 1996-03-02 2000-06-27 U.S. Philips Corporation Production of a frequency control signal in an FSK receiver
US6185248B1 (en) * 1998-03-12 2001-02-06 Northrop Grumman Corporation Wideband digital microwave receiver
EP1014637B1 (fr) * 1998-12-23 2006-05-03 Asulab S.A. Récepteur à conversion directe pour signaux modulés en sauts de fréquence (FSK)
DE19930229C1 (de) 1999-06-30 2001-07-05 Infineon Technologies Ag Quadricorrelator für einen Demodulator für frequenzmodulierte Signale
US20040157571A1 (en) * 2003-02-07 2004-08-12 Klaas Wortel Enhanced register based FSK demodulator
EP1718179A2 (en) * 2004-01-16 2006-11-08 GHZ TR Corporation Methods and apparatus for automotive radar sensors
US20070104295A1 (en) * 2005-11-10 2007-05-10 Honeywell International Inc. RSSI for FSK IQ demodulator

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3439283A (en) * 1966-02-04 1969-04-15 Gen Electric Frequency shift keyed discriminating circuits
GB2032737A (en) * 1978-10-24 1980-05-08 Standard Telephones Cables Ltd Radio receiver for tone modulated signals
GB2057820B (en) * 1979-09-04 1984-07-04 Standard Telephones Cables Ltd Radio receiver for fsk signals
GB2101821B (en) * 1981-07-16 1984-11-14 Standard Telephones Cables Ltd Radio receiver for frequency shift keyed signals
GB2106359B (en) * 1981-09-24 1985-07-03 Standard Telephones Cables Ltd Direct conversion radio receiver for fm signals
US4475219A (en) * 1982-08-18 1984-10-02 General Electric Company Demodulator for frequency-shift-keyed binary data signals
GB2141007B (en) * 1983-06-02 1986-07-23 Standard Telephones Cables Ltd Demodulator logic for frequency shift keyed signals
GB2143386B (en) * 1983-07-14 1987-01-14 Standard Telephones Cables Ltd Radio receiver
JPS60100859A (ja) * 1983-11-08 1985-06-04 Nec Corp 周波数検波器
CH667170A5 (de) * 1984-12-07 1988-09-15 Industrieorientierte Forsch Verfahren zur detektion der information eines empfangssignales, insbesondere mit frequenzumtastung.
GB2172158B (en) * 1985-03-07 1988-12-29 Stc Plc Zero-if radio receiver

Also Published As

Publication number Publication date
GB8915063D0 (en) 1989-08-23
GB2233535A (en) 1991-01-09
US5197085A (en) 1993-03-23
DE69030216T2 (de) 1997-08-28
EP0405676B1 (en) 1997-03-19
JP3088110B2 (ja) 2000-09-18
DE69030216D1 (de) 1997-04-24
JPH0338941A (ja) 1991-02-20
EP0405676A3 (en) 1992-05-06
EP0405676A2 (en) 1991-01-02

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Legal Events

Date Code Title Description
HC Name/ company changed in application

Owner name: PHILIPS ELECTRONICS N.V.

FD Application lapsed
MM Patent lapsed

Owner name: PHILIPS ELECTRONICS N.V.