DK308183A - Data-demodulator for et direkte frekvensmoduleret signal - Google Patents

Data-demodulator for et direkte frekvensmoduleret signal Download PDF

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Publication number
DK308183A
DK308183A DK308183A DK308183A DK308183A DK 308183 A DK308183 A DK 308183A DK 308183 A DK308183 A DK 308183A DK 308183 A DK308183 A DK 308183A DK 308183 A DK308183 A DK 308183A
Authority
DK
Denmark
Prior art keywords
modulated signal
frequency modulated
data demodulator
direct frequency
direct
Prior art date
Application number
DK308183A
Other languages
English (en)
Other versions
DK308183D0 (da
Inventor
Christopher Brian Marshall
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 DK308183D0 publication Critical patent/DK308183D0/da
Publication of DK308183A publication Critical patent/DK308183A/da

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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

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  • 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)
DK308183A 1982-07-07 1983-07-04 Data-demodulator for et direkte frekvensmoduleret signal DK308183A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08219631A GB2124046A (en) 1982-07-07 1982-07-07 Data demodulator for a direct frequency modulated signal

Publications (2)

Publication Number Publication Date
DK308183D0 DK308183D0 (da) 1983-07-04
DK308183A true DK308183A (da) 1984-01-08

Family

ID=10531518

Family Applications (1)

Application Number Title Priority Date Filing Date
DK308183A DK308183A (da) 1982-07-07 1983-07-04 Data-demodulator for et direkte frekvensmoduleret signal

Country Status (5)

Country Link
EP (1) EP0098665A3 (da)
JP (1) JPS5923662A (da)
AU (1) AU1655983A (da)
DK (1) DK308183A (da)
GB (1) GB2124046A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH667170A5 (de) * 1984-12-07 1988-09-15 Industrieorientierte Forsch Verfahren zur detektion der information eines empfangssignales, insbesondere mit frequenzumtastung.
US5400365A (en) * 1992-05-21 1995-03-21 Mitel Corporation Isk receiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127451A (en) * 1965-02-04 1968-09-18 Ass Elect Ind Improvements relating to carrier shift telegraphy
NL7705552A (nl) * 1977-05-20 1978-11-22 Philips Nv Quadratuurtranspositietrap.
US4156194A (en) * 1977-09-06 1979-05-22 General Electric Company Frequency-shift-keyed receiver
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

Also Published As

Publication number Publication date
AU1655983A (en) 1984-01-12
DK308183D0 (da) 1983-07-04
EP0098665A3 (en) 1984-05-30
JPS5923662A (ja) 1984-02-07
GB2124046A (en) 1984-02-08
EP0098665A2 (en) 1984-01-18

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Legal Events

Date Code Title Description
ATS Application withdrawn