DK347382A - Digital frekvensdiskriminator - Google Patents

Digital frekvensdiskriminator Download PDF

Info

Publication number
DK347382A
DK347382A DK347382A DK347382A DK347382A DK 347382 A DK347382 A DK 347382A DK 347382 A DK347382 A DK 347382A DK 347382 A DK347382 A DK 347382A DK 347382 A DK347382 A DK 347382A
Authority
DK
Denmark
Prior art keywords
signal
shift register
valency
binary data
data signal
Prior art date
Application number
DK347382A
Other languages
Danish (da)
English (en)
Inventor
Wilfried Steudle
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of DK347382A publication Critical patent/DK347382A/da

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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DK347382A 1981-08-17 1982-08-03 Digital frekvensdiskriminator DK347382A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813132377 DE3132377A1 (de) 1981-08-17 1981-08-17 Digitaler frequenzdiskriminator

Publications (1)

Publication Number Publication Date
DK347382A true DK347382A (da) 1983-02-18

Family

ID=6139438

Family Applications (1)

Application Number Title Priority Date Filing Date
DK347382A DK347382A (da) 1981-08-17 1982-08-03 Digital frekvensdiskriminator

Country Status (5)

Country Link
EP (1) EP0072393B1 (no)
AT (1) ATE24080T1 (no)
DE (2) DE3132377A1 (no)
DK (1) DK347382A (no)
NO (1) NO156270C (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410664C2 (de) * 1984-03-23 1987-02-12 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren und Schaltungsanordnung zur Demodulation von frequenzumgetasteten Signalen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638192A (en) * 1970-07-06 1972-01-25 Collins Radio Co Asynchronous pulse information clock phase imparted shift register decoder
DE2153228A1 (de) * 1971-10-26 1973-05-03 Bosch Elektronik Gmbh Digitale schaltungsanordnung
US3790881A (en) * 1973-03-06 1974-02-05 Us Army Pulse width selector
NL7313361A (nl) * 1973-09-28 1975-04-02 Philips Nv Ontvanger voor de ontvangst van met behulp van entieverschuivingsmodulatie overgedragen ignalen.
IT1014577B (it) * 1974-04-08 1977-04-30 Sits Soc It Telecom Siemens Demodulatore di onde modulate in frequenza per sistemi di trasmissio ne di informazioni binarie
DE2439601A1 (de) * 1974-08-17 1976-02-26 Thomas Schubert Digitalelektronisches frequenzschaltfilter (frequenzkomparator)
US3958183A (en) * 1975-02-13 1976-05-18 Rockwell International Corporation Frequency selective signal presence detector
JPS5232655A (en) * 1975-09-09 1977-03-12 Nec Corp Logic low-pass filter circuit
JPS5240042A (en) * 1975-09-26 1977-03-28 Hitachi Ltd Low-frequency narrow-band filter
DE2735785A1 (de) * 1977-08-09 1979-02-22 Bosch Gmbh Robert Verfahren zur frequenzmessung unter verwendung digitaler schaltungsmittel
JPS5938776Y2 (ja) * 1977-12-23 1984-10-29 日本電気株式会社 ディジタル形ト−ン信号検出器
DE3007294C2 (de) * 1980-02-27 1985-02-14 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Schaltungsanordnung zur Demodulation von freqenzumgetasteten Signalen
DE3021485C2 (de) * 1980-06-07 1984-12-20 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren und Schaltungsanordnung zur Trägerfrequenzüberwachung in einem Nachrichtenübertragungssystem

Also Published As

Publication number Publication date
EP0072393A3 (en) 1984-06-13
DE3132377A1 (de) 1983-06-30
EP0072393A2 (de) 1983-02-23
NO156270B (no) 1987-05-11
NO822784L (no) 1983-02-18
DE3274609D1 (en) 1987-01-15
ATE24080T1 (de) 1986-12-15
NO156270C (no) 1987-08-19
EP0072393B1 (de) 1986-12-03

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