SE470077B - Metod och anordning för demodulering av en frekvensmodulerad signal - Google Patents

Metod och anordning för demodulering av en frekvensmodulerad signal

Info

Publication number
SE470077B
SE470077B SE9200990A SE9200990A SE470077B SE 470077 B SE470077 B SE 470077B SE 9200990 A SE9200990 A SE 9200990A SE 9200990 A SE9200990 A SE 9200990A SE 470077 B SE470077 B SE 470077B
Authority
SE
Sweden
Prior art keywords
frequency
signal
difference
modulated
instantaneous
Prior art date
Application number
SE9200990A
Other languages
English (en)
Swedish (sv)
Other versions
SE9200990L (sv
SE9200990D0 (sv
Inventor
K B Lindell
Original Assignee
Ericsson Ge Mobile Communicat
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 Ericsson Ge Mobile Communicat filed Critical Ericsson Ge Mobile Communicat
Priority to SE9200990A priority Critical patent/SE470077B/sv
Publication of SE9200990D0 publication Critical patent/SE9200990D0/xx
Priority to DE69318753T priority patent/DE69318753T2/de
Priority to EP93850041A priority patent/EP0564426B1/en
Priority to AU35601/93A priority patent/AU655355B2/en
Priority to US08/038,275 priority patent/US5323104A/en
Priority to JP5070304A priority patent/JPH0621984A/ja
Priority to FI931431A priority patent/FI107088B/fi
Publication of SE9200990L publication Critical patent/SE9200990L/
Publication of SE470077B publication Critical patent/SE470077B/sv

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
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
SE9200990A 1992-03-30 1992-03-30 Metod och anordning för demodulering av en frekvensmodulerad signal SE470077B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9200990A SE470077B (sv) 1992-03-30 1992-03-30 Metod och anordning för demodulering av en frekvensmodulerad signal
DE69318753T DE69318753T2 (de) 1992-03-30 1993-03-05 Methode und Arrangement zur Demodulierung eines frequenzmodulierten Signals
EP93850041A EP0564426B1 (en) 1992-03-30 1993-03-05 A method and arrangement for demodulating a frequency modulated signal
AU35601/93A AU655355B2 (en) 1992-03-30 1993-03-29 A method and arrangement for demodulating a frequency modulated signal
US08/038,275 US5323104A (en) 1992-03-30 1993-03-29 Method and arrangement for demodulating a frequency modulated signal
JP5070304A JPH0621984A (ja) 1992-03-30 1993-03-29 周波数変調された信号を復調する方法と装置
FI931431A FI107088B (fi) 1992-03-30 1993-03-30 Menetelmä ja laitteisto taajuusmoduloidun signaalin moduloimiseksi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9200990A SE470077B (sv) 1992-03-30 1992-03-30 Metod och anordning för demodulering av en frekvensmodulerad signal

Publications (3)

Publication Number Publication Date
SE9200990D0 SE9200990D0 (sv) 1992-03-30
SE9200990L SE9200990L (sv) 1993-10-01
SE470077B true SE470077B (sv) 1993-11-01

Family

ID=20385791

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9200990A SE470077B (sv) 1992-03-30 1992-03-30 Metod och anordning för demodulering av en frekvensmodulerad signal

Country Status (7)

Country Link
US (1) US5323104A (ja)
EP (1) EP0564426B1 (ja)
JP (1) JPH0621984A (ja)
AU (1) AU655355B2 (ja)
DE (1) DE69318753T2 (ja)
FI (1) FI107088B (ja)
SE (1) SE470077B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5710710A (en) * 1994-09-21 1998-01-20 Optoelectronics, Inc. Frequency counter with reduced false correlations
GB9419630D0 (en) * 1994-09-29 1994-11-16 Philips Electronics Uk Ltd Receiver having an adjustable symbol slice demodulator
FR2784256B1 (fr) * 1998-10-02 2002-12-06 Faure Res Demodulateur numerique, et son procede de demodulation d'un signal module par deplacement de frequence
FR2825205A1 (fr) 2001-05-23 2002-11-29 St Microelectronics Sa Recepteur de signaux modules en frequence avec demodulateur numerique

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548328A (en) * 1969-01-13 1970-12-15 Honeywell Inc Digital fm discriminator
FR2064258A6 (ja) * 1969-09-22 1971-07-23 Lignes Telegraph Telephon
US3670250A (en) * 1970-05-26 1972-06-13 Tel Tech Corp Fm system for receiving binary information
US3882398A (en) * 1972-02-14 1975-05-06 Nippon Musical Instruments Mfg Receiving frequency indicator system for broadcast receiver
US4135243A (en) * 1977-07-15 1979-01-16 Hewlett-Packard Company Single sampler heterodyne method for wideband frequency measurement
US4236110A (en) * 1978-06-29 1980-11-25 E-Systems, Inc. Digital frequency deviation meter
GB2086158B (en) * 1980-08-23 1984-05-02 Plessey Co Ltd Radio receiver
US4409984A (en) * 1981-02-25 1983-10-18 General Electric Company FM-Digital converter
US4425543A (en) * 1981-07-17 1984-01-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration High stability buffered phase comparator
US4852123A (en) * 1988-02-05 1989-07-25 Motorola, Inc. Nearly DC IF phase locked transceiver
GB2218216B (en) * 1988-04-29 1992-09-23 Schlumberger Electronics Improvements in or relating to frequency response analysis
DE9014814U1 (de) * 1990-10-26 1991-02-14 Mesacon Gesellschaft für Meßtechnik mbH, 4600 Dortmund Optisches Gerät zur Messung der Geschwindigkeit oder Länge einer bewegten Oberfläche mittels eines Laserstrahls
US5210484A (en) * 1992-05-15 1993-05-11 Louis R. Fantozzi Lock-in amplifier

Also Published As

Publication number Publication date
AU655355B2 (en) 1994-12-15
FI107088B (fi) 2001-05-31
DE69318753T2 (de) 1998-12-03
SE9200990L (sv) 1993-10-01
SE9200990D0 (sv) 1992-03-30
US5323104A (en) 1994-06-21
FI931431A0 (fi) 1993-03-30
EP0564426A1 (en) 1993-10-06
JPH0621984A (ja) 1994-01-28
EP0564426B1 (en) 1998-05-27
FI931431L (fi) 1993-10-01
DE69318753D1 (de) 1998-07-02
AU3560193A (en) 1993-10-07

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