BE868898A - Recepteur radio pour signaux a modulation de frequence discrete sur une porteuse radio - Google Patents

Recepteur radio pour signaux a modulation de frequence discrete sur une porteuse radio

Info

Publication number
BE868898A
BE868898A BE2057141A BE2057141A BE868898A BE 868898 A BE868898 A BE 868898A BE 2057141 A BE2057141 A BE 2057141A BE 2057141 A BE2057141 A BE 2057141A BE 868898 A BE868898 A BE 868898A
Authority
BE
Belgium
Prior art keywords
radio
frequency modulation
modulation signals
carrier
discreet frequency
Prior art date
Application number
BE2057141A
Other languages
English (en)
French (fr)
Inventor
I A W Vance
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BE868898A publication Critical patent/BE868898A/xx

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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BE2057141A 1977-01-13 1978-07-11 Recepteur radio pour signaux a modulation de frequence discrete sur une porteuse radio BE868898A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB135877A GB1517121A (en) 1977-01-13 1977-01-13 Radio receiver for fsk signals

Publications (1)

Publication Number Publication Date
BE868898A true BE868898A (fr) 1978-11-03

Family

ID=9720633

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2057141A BE868898A (fr) 1977-01-13 1978-07-11 Recepteur radio pour signaux a modulation de frequence discrete sur une porteuse radio

Country Status (4)

Country Link
BE (1) BE868898A (no)
DE (1) DE2800253C2 (no)
GB (1) GB1517121A (no)
HK (1) HK16283A (no)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
GB2155262B (en) * 1984-03-01 1988-01-20 Standard Telephones Cables Ltd Radio receiver
DE3412190C2 (de) * 1984-04-02 1986-12-18 Telefunken electronic GmbH, 7100 Heilbronn Integrierbare Empfängerschaltung
GB2173364B (en) * 1985-04-03 1988-10-05 Stc Plc Digital zero if circuit
US4605903A (en) * 1985-11-07 1986-08-12 Motorola, Inc. FSK demodulator with high noise immunity digital phase detector
GB2189114B (en) * 1986-02-12 1990-03-14 Plessey Co Plc Radio receivers
DE3733967A1 (de) * 1987-10-08 1989-04-27 Bermbach Rainer Quadraturueberlagerungsverfahren zur demodulation des traegerfrequenten empfangssignals in funkuhrempfaengern

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1278559B (de) * 1966-04-30 1968-09-26 Standard Elektrik Lorenz Ag Empfaenger fuer frequenzmodulierte Signale
DE1616312B2 (de) * 1968-01-25 1973-10-18 Helmut 8000 Muenchen Spieler Einseitenbandübertragungseinrichtung nach der Dritten Methode
DE2358288A1 (de) * 1973-11-22 1975-06-05 Standard Elektrik Lorenz Ag Empfaenger fuer frequenzmodulierte hf-signale
GB1530602A (en) * 1975-10-14 1978-11-01 Standard Telephones Cables Ltd Demodulator for fm signals

Also Published As

Publication number Publication date
GB1517121A (en) 1978-07-12
DE2800253A1 (de) 1978-07-20
HK16283A (en) 1983-05-20
DE2800253C2 (de) 1987-01-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INTERNATIONAL STANDARD ELECTRIC CORP.

Effective date: 19900731