FI965093A - Laite ja menetelmä kellon säätämiseksi ja kytkemiseksi - Google Patents

Laite ja menetelmä kellon säätämiseksi ja kytkemiseksi Download PDF

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Publication number
FI965093A
FI965093A FI965093A FI965093A FI965093A FI 965093 A FI965093 A FI 965093A FI 965093 A FI965093 A FI 965093A FI 965093 A FI965093 A FI 965093A FI 965093 A FI965093 A FI 965093A
Authority
FI
Finland
Prior art keywords
clock
switching
adjusting
Prior art date
Application number
FI965093A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI965093A0 (fi
Inventor
Keith A Sloan
Mark A Lovell
Original Assignee
Dsc Communications
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 Dsc Communications filed Critical Dsc Communications
Publication of FI965093A0 publication Critical patent/FI965093A0/fi
Publication of FI965093A publication Critical patent/FI965093A/fi

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/12—Synchronisation of different clock signals provided by a plurality of clock generators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
    • H03L7/0814—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the phase shifting device being digitally controlled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
    • H03L7/0816—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the controlled phase shifter and the frequency- or phase-detection arrangement being connected to a common input
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
    • H03L7/0818—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the controlled phase shifter comprising coarse and fine delay or phase-shifting means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/0033—Correction by delay
    • H04L7/0037—Delay of clock signal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1604—Error detection or correction of the data by redundancy in hardware where the fault affects the clock signals of a processing unit and the redundancy is at or within the level of clock signal generation hardware
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Pulse Circuits (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Dram (AREA)
FI965093A 1994-06-21 1996-12-18 Laite ja menetelmä kellon säätämiseksi ja kytkemiseksi FI965093A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/262,921 US5515403A (en) 1994-06-21 1994-06-21 Apparatus and method for clock alignment and switching
PCT/US1995/007107 WO1995035608A1 (fr) 1994-06-21 1995-06-05 Appareil et methode d'alignement et de commutation d'horloges

Publications (2)

Publication Number Publication Date
FI965093A0 FI965093A0 (fi) 1996-12-18
FI965093A true FI965093A (fi) 1997-02-19

Family

ID=22999641

Family Applications (1)

Application Number Title Priority Date Filing Date
FI965093A FI965093A (fi) 1994-06-21 1996-12-18 Laite ja menetelmä kellon säätämiseksi ja kytkemiseksi

Country Status (7)

Country Link
US (1) US5515403A (fr)
EP (1) EP0766892A4 (fr)
JP (1) JP3069916B2 (fr)
CA (1) CA2193207C (fr)
FI (1) FI965093A (fr)
MX (1) MX9606694A (fr)
WO (1) WO1995035608A1 (fr)

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Also Published As

Publication number Publication date
EP0766892A4 (fr) 1997-09-24
MX9606694A (es) 1997-03-29
CA2193207C (fr) 2001-01-23
US5515403A (en) 1996-05-07
CA2193207A1 (fr) 1995-12-28
WO1995035608A1 (fr) 1995-12-28
JPH09510338A (ja) 1997-10-14
JP3069916B2 (ja) 2000-07-24
EP0766892A1 (fr) 1997-04-09
FI965093A0 (fi) 1996-12-18

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