GB2293063B - Fast locking phase-locked loop - Google Patents

Fast locking phase-locked loop

Info

Publication number
GB2293063B
GB2293063B GB9518537A GB9518537A GB2293063B GB 2293063 B GB2293063 B GB 2293063B GB 9518537 A GB9518537 A GB 9518537A GB 9518537 A GB9518537 A GB 9518537A GB 2293063 B GB2293063 B GB 2293063B
Authority
GB
United Kingdom
Prior art keywords
locked loop
locking phase
fast locking
fast
phase
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9518537A
Other versions
GB9518537D0 (en
GB2293063A (en
Inventor
Erkki Rantakari
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
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
Publication of GB9518537D0 publication Critical patent/GB9518537D0/en
Publication of GB2293063A publication Critical patent/GB2293063A/en
Application granted granted Critical
Publication of GB2293063B publication Critical patent/GB2293063B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
    • 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
GB9518537A 1994-09-09 1995-09-11 Fast locking phase-locked loop Expired - Fee Related GB2293063B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI944181A FI97093C (en) 1994-09-09 1994-09-09 Quick-setting phase lock

Publications (3)

Publication Number Publication Date
GB9518537D0 GB9518537D0 (en) 1995-11-08
GB2293063A GB2293063A (en) 1996-03-13
GB2293063B true GB2293063B (en) 1997-03-05

Family

ID=8541338

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9518537A Expired - Fee Related GB2293063B (en) 1994-09-09 1995-09-11 Fast locking phase-locked loop

Country Status (3)

Country Link
DE (1) DE19534516A1 (en)
FI (1) FI97093C (en)
GB (1) GB2293063B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107093B (en) 1997-09-24 2001-05-31 Nokia Networks Oy Automatic tuning of the integrated oscillator
DE19611219A1 (en) * 1996-03-21 1997-09-25 Fraunhofer Ges Forschung Phase locked loop with switchable loop bandwidth
DE10132230C2 (en) 2001-06-29 2003-08-28 Infineon Technologies Ag Method and device for generating a clock output signal
US7421213B2 (en) 2003-12-19 2008-09-02 Avago Technologies Limited Optical receiver control device with a switchable bandwidth

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123229A (en) * 1982-06-28 1984-01-25 Gen Electric Control circuits for phase locked loops
US4433308A (en) * 1980-12-08 1984-02-21 Pioneer Electronic Corporation PLL Detection circuit
US5256989A (en) * 1991-05-03 1993-10-26 Motorola, Inc. Lock detection for a phase lock loop

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433308A (en) * 1980-12-08 1984-02-21 Pioneer Electronic Corporation PLL Detection circuit
GB2123229A (en) * 1982-06-28 1984-01-25 Gen Electric Control circuits for phase locked loops
US5256989A (en) * 1991-05-03 1993-10-26 Motorola, Inc. Lock detection for a phase lock loop

Also Published As

Publication number Publication date
DE19534516A1 (en) 1996-03-14
FI97093B (en) 1996-06-28
GB9518537D0 (en) 1995-11-08
FI944181A (en) 1996-03-10
FI97093C (en) 1996-10-10
GB2293063A (en) 1996-03-13
FI944181A0 (en) 1994-09-09

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050911