FI931019A0 - Menetelmä kellosignaalin muodostamiseksi vaihelukitun silmukan avulla ja vaihelukittu silmukka - Google Patents

Menetelmä kellosignaalin muodostamiseksi vaihelukitun silmukan avulla ja vaihelukittu silmukka

Info

Publication number
FI931019A0
FI931019A0 FI931019A FI931019A FI931019A0 FI 931019 A0 FI931019 A0 FI 931019A0 FI 931019 A FI931019 A FI 931019A FI 931019 A FI931019 A FI 931019A FI 931019 A0 FI931019 A0 FI 931019A0
Authority
FI
Finland
Prior art keywords
phase
locked loop
forming
clock signal
locked
Prior art date
Application number
FI931019A
Other languages
English (en)
Swedish (sv)
Other versions
FI93286B (fi
FI931019A (fi
FI93286C (fi
Inventor
Esa Laaksonen
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Priority to FI931019A priority Critical patent/FI93286C/fi
Publication of FI931019A0 publication Critical patent/FI931019A0/fi
Priority to DE4491210T priority patent/DE4491210T1/de
Priority to AU61430/94A priority patent/AU6143094A/en
Priority to PCT/FI1994/000076 priority patent/WO1994021047A1/en
Priority to GB9518446A priority patent/GB2291548B/en
Publication of FI931019A publication Critical patent/FI931019A/fi
Publication of FI93286B publication Critical patent/FI93286B/fi
Application granted granted Critical
Publication of FI93286C publication Critical patent/FI93286C/fi

Links

Classifications

    • 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
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
    • H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal
    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
FI931019A 1993-03-08 1993-03-08 Menetelmä kellosignaalin muodostamiseksi vaihelukitun silmukan avulla ja vaihelukittu silmukka FI93286C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI931019A FI93286C (fi) 1993-03-08 1993-03-08 Menetelmä kellosignaalin muodostamiseksi vaihelukitun silmukan avulla ja vaihelukittu silmukka
DE4491210T DE4491210T1 (de) 1993-03-08 1994-03-03 Verfahren zur Erzeugung eines Taktsignals mit Hilfe eines Phasenregelkreises und ein Phasenregelkreis
AU61430/94A AU6143094A (en) 1993-03-08 1994-03-03 Method of generating a clock signal by means of a phase-locked loop and a phase-locked loop
PCT/FI1994/000076 WO1994021047A1 (en) 1993-03-08 1994-03-03 Method of generating a clock signal by means of a phase-locked loop and a phase-locked loop
GB9518446A GB2291548B (en) 1993-03-08 1994-03-03 Method of generating a clock signal by means of a phase-locked loop and a phase-locked loop

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI931019A FI93286C (fi) 1993-03-08 1993-03-08 Menetelmä kellosignaalin muodostamiseksi vaihelukitun silmukan avulla ja vaihelukittu silmukka
FI931019 1993-03-08

Publications (4)

Publication Number Publication Date
FI931019A0 true FI931019A0 (fi) 1993-03-08
FI931019A FI931019A (fi) 1994-09-09
FI93286B FI93286B (fi) 1994-11-30
FI93286C FI93286C (fi) 1995-03-10

Family

ID=8537510

Family Applications (1)

Application Number Title Priority Date Filing Date
FI931019A FI93286C (fi) 1993-03-08 1993-03-08 Menetelmä kellosignaalin muodostamiseksi vaihelukitun silmukan avulla ja vaihelukittu silmukka

Country Status (5)

Country Link
AU (1) AU6143094A (fi)
DE (1) DE4491210T1 (fi)
FI (1) FI93286C (fi)
GB (1) GB2291548B (fi)
WO (1) WO1994021047A1 (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317280A (en) * 1996-09-11 1998-03-18 Roke Manor Research Bandwidth adjustment in phase locked loops
GB2319409B (en) * 1996-11-15 1999-01-27 Nokia Telecommunications Oy Apparatus and method for stabilising the frequency of a phase locked loop
US6345079B1 (en) * 1997-10-29 2002-02-05 Victor Company Of Japan, Ltd. Clock signal generation apparatus
FI20000638A (fi) 2000-03-17 2001-09-18 Nokia Mobile Phones Ltd Oskillaattorin säätö

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980899A (en) * 1988-06-21 1990-12-25 Siemens Ag Method and apparatus for synchronization of a clock signal generator particularly useful in a digital telecommunications exchange
US4980652A (en) * 1988-09-02 1990-12-25 Nippon Telegraph And Telephone Corporation Frequency synthesizer having compensation for nonlinearities
JPH02177725A (ja) * 1988-12-28 1990-07-10 Fujitsu Ltd Ｐｌｌシンセサイザ回路
US5028885A (en) * 1990-08-30 1991-07-02 Motorola, Inc. Phase-locked loop signal generation system with control maintenance

Also Published As

Publication number Publication date
FI93286B (fi) 1994-11-30
GB2291548B (en) 1997-01-08
DE4491210T1 (de) 1996-02-22
GB9518446D0 (en) 1995-11-15
FI931019A (fi) 1994-09-09
GB2291548A (en) 1996-01-24
FI93286C (fi) 1995-03-10
WO1994021047A1 (en) 1994-09-15
AU6143094A (en) 1994-09-26

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Legal Events

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