FI890167A - Apparat foer indikering av foerlust av synkroniseringen i en numerisk transmission. - Google Patents

Apparat foer indikering av foerlust av synkroniseringen i en numerisk transmission. Download PDF

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Publication number
FI890167A
FI890167A FI890167A FI890167A FI890167A FI 890167 A FI890167 A FI 890167A FI 890167 A FI890167 A FI 890167A FI 890167 A FI890167 A FI 890167A FI 890167 A FI890167 A FI 890167A
Authority
FI
Finland
Prior art keywords
synkroniseringen
numerisk
indikering
foerlust
transmission
Prior art date
Application number
FI890167A
Other languages
English (en)
Other versions
FI890167A0 (fi
Inventor
Pierre Lopez
Yves Lebret
Alain Gressier
Original Assignee
Alcatel 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
Priority claimed from FR8800427A external-priority patent/FR2626122B1/fr
Priority claimed from FR8810215A external-priority patent/FR2634962B1/fr
Application filed by Alcatel Nv filed Critical Alcatel Nv
Publication of FI890167A0 publication Critical patent/FI890167A0/fi
Publication of FI890167A publication Critical patent/FI890167A/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0331—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Communication Control (AREA)
FI890167A 1988-01-15 1989-01-13 Apparat foer indikering av foerlust av synkroniseringen i en numerisk transmission. FI890167A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8800427A FR2626122B1 (fr) 1988-01-15 1988-01-15 Dispositif de detection de perte de synchronisation dans une transmission numerique
FR8810215A FR2634962B1 (fr) 1988-07-28 1988-07-28 Circuit d'alarme de deverrouillage pour boucle a verrouillage de phase

Publications (2)

Publication Number Publication Date
FI890167A0 FI890167A0 (fi) 1989-01-13
FI890167A true FI890167A (fi) 1989-07-16

Family

ID=26226448

Family Applications (1)

Application Number Title Priority Date Filing Date
FI890167A FI890167A (fi) 1988-01-15 1989-01-13 Apparat foer indikering av foerlust av synkroniseringen i en numerisk transmission.

Country Status (3)

Country Link
EP (1) EP0324296A1 (fi)
FI (1) FI890167A (fi)
NO (1) NO890153L (fi)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2716044C2 (de) * 1977-04-09 1985-09-12 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Schaltung zum Vergleich der Frequenzen zweier elektrischer Signale
US4151463A (en) * 1978-02-02 1979-04-24 Bell Telephone Laboratories, Incorporated Phase locked loop indicator
US4663769A (en) * 1985-10-02 1987-05-05 Motorola, Inc. Clock acquisition indicator circuit for NRZ data
FR2593341B1 (fr) * 1986-01-20 1988-03-04 Alcatel Thomson Faisceaux Dispositif de recuperation de rythme

Also Published As

Publication number Publication date
EP0324296A1 (fr) 1989-07-19
NO890153D0 (no) 1989-01-13
FI890167A0 (fi) 1989-01-13
NO890153L (no) 1989-07-17

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: ALCATEL N. V.