DE60231563D1 - Verfahren und ausrüstung zur reduzierung von phasensprüngen beim umschalten zwischen synkronisationsquellen - Google Patents

Verfahren und ausrüstung zur reduzierung von phasensprüngen beim umschalten zwischen synkronisationsquellen

Info

Publication number
DE60231563D1
DE60231563D1 DE60231563T DE60231563T DE60231563D1 DE 60231563 D1 DE60231563 D1 DE 60231563D1 DE 60231563 T DE60231563 T DE 60231563T DE 60231563 T DE60231563 T DE 60231563T DE 60231563 D1 DE60231563 D1 DE 60231563D1
Authority
DE
Germany
Prior art keywords
signal
switching
sources
reducing phase
syncronization
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 - Lifetime
Application number
DE60231563T
Other languages
English (en)
Inventor
Arild Wego
Pal Longva Hellum
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60231563D1 publication Critical patent/DE60231563D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0685Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0688Change of the master or reference, e.g. take-over or failure of the master
DE60231563T 2002-08-30 2002-08-30 Verfahren und ausrüstung zur reduzierung von phasensprüngen beim umschalten zwischen synkronisationsquellen Expired - Lifetime DE60231563D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO2002/000304 WO2004021636A1 (en) 2002-08-30 2002-08-30 Method and arrangement for reducing phase jumps when switching between synchronisation sources

Publications (1)

Publication Number Publication Date
DE60231563D1 true DE60231563D1 (de) 2009-04-23

Family

ID=31973752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60231563T Expired - Lifetime DE60231563D1 (de) 2002-08-30 2002-08-30 Verfahren und ausrüstung zur reduzierung von phasensprüngen beim umschalten zwischen synkronisationsquellen

Country Status (8)

Country Link
US (1) US7155191B2 (de)
EP (1) EP1532764B1 (de)
CN (1) CN100393024C (de)
AT (1) ATE425606T1 (de)
AU (1) AU2002321951A1 (de)
DE (1) DE60231563D1 (de)
RU (1) RU2288543C2 (de)
WO (1) WO2004021636A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7747237B2 (en) * 2004-04-09 2010-06-29 Skyworks Solutions, Inc. High agility frequency synthesizer phase-locked loop
CN1848713B (zh) * 2005-11-17 2010-08-11 华为技术有限公司 时分复用系统子节点帧同步实现方法及实现装置
DE102006024470B4 (de) * 2006-05-24 2015-07-09 Xignal Technologies Ag Umschaltbarer Phasenregelkreis sowie Verfahren zum Betrieb eines umschaltbaren Phasenregelkreises
DE102007046300A1 (de) * 2007-07-26 2009-01-29 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Synchronisation von mehreren Messkanalbaugruppen und/oder Messgeräten sowie entsprechendes Messgerät
US7902886B2 (en) * 2007-10-30 2011-03-08 Diablo Technologies Inc. Multiple reference phase locked loop
RU2665241C1 (ru) * 2017-10-13 2018-08-28 Геннадий Сендерович Брайловский Способ подстройки частоты и фазовый детектор

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK138196A (da) * 1996-12-04 1998-06-05 Dsc Communications As Fremgangsmåde og kredsløb til frembringelse af et systemkloksignal
US6087920A (en) * 1997-02-11 2000-07-11 Pulse Engineering, Inc. Monolithic inductor
US5909149A (en) * 1997-08-29 1999-06-01 Lucent Technologies, Inc. Multiband phase locked loop using a switched voltage controlled oscillator
JP3237637B2 (ja) * 1999-01-05 2001-12-10 日本電気株式会社 クロック同期回路
CN1160862C (zh) * 1999-12-29 2004-08-04 上海贝尔有限公司 控制时钟信号切换时相位瞬变的方法及其装置
JP4228518B2 (ja) * 2000-06-09 2009-02-25 パナソニック株式会社 デジタルpll装置
US6489852B1 (en) * 2000-07-20 2002-12-03 Marconi Communications, Inc. Slew controlled frame aligner for a phase locked loop
CA2324535A1 (en) * 2000-10-27 2002-04-27 Pmc-Sierra Inc. Adaptive phase shift filtration of pointer justification jitter in synchronous-plesiosynchronous signal desynchronization
DE10123932B4 (de) * 2001-05-11 2005-03-24 Siemens Ag Verfahren zur Erzeugung eines internen Taktes in einer elektrischen Schaltung und entsprechende elektrische Schaltung mit einem zentralen Taktgenerator
JP3531630B2 (ja) * 2001-08-07 2004-05-31 日本電気株式会社 クロック生成回路
US6621304B2 (en) * 2001-11-06 2003-09-16 Infineon Technologies Aktiengesellschaft Clocking and synchronization circuitry
US6999480B2 (en) * 2001-11-26 2006-02-14 Applied Micro Circuits Corporation Method and apparatus for improving data integrity and desynchronizer recovery time after a loss of signal
EP1467488B1 (de) * 2002-01-16 2007-04-11 Mitsubishi Denki Kabushiki Kaisha Takterzeugungsschaltung

Also Published As

Publication number Publication date
ATE425606T1 (de) 2009-03-15
US7155191B2 (en) 2006-12-26
CN1650567A (zh) 2005-08-03
EP1532764B1 (de) 2009-03-11
RU2005108980A (ru) 2005-08-27
US20050245223A1 (en) 2005-11-03
WO2004021636A1 (en) 2004-03-11
CN100393024C (zh) 2008-06-04
RU2288543C2 (ru) 2006-11-27
EP1532764A1 (de) 2005-05-25
AU2002321951A1 (en) 2004-03-19

Similar Documents

Publication Publication Date Title
KR960012737A (ko) 순간적으로 클럭 주파수를 쉬프트하는 위상 동기 회로(pll) 시스템 클럭 발생기
TW200625822A (en) Spread spectrum clock generator and method for generating a spread spectrum clock signal
KR920005502A (ko) 디지탈 위상 고정루프
DE60313751D1 (de) Frequenzumsetzer und verfahren dazu
TW200419910A (en) Method and device for generating a clock signal having predetermined clock signal properties
KR900003718A (ko) 클록신호공급방법 및 장치
DE60020742D1 (de) Frequenzteilung/vervielfachung mit minimierung des jitters
JP2001051747A5 (de)
KR960702233A (ko) 다중 위상 동기 클럭 복원 회로(a multiple phase-lock-loop clock recovery circuit)
MY126186A (en) Digital frequency multiplier
DE60231563D1 (de) Verfahren und ausrüstung zur reduzierung von phasensprüngen beim umschalten zwischen synkronisationsquellen
ATE347751T1 (de) Fraktional-n-synthesizer und verfahren zur synchronisation der ausgangsphase
KR970031357A (ko) 소수배 시스템에 있어서 클록 동기 체계(clock synchronization scheme for fractional multiplication systems)
ATE363765T1 (de) Frequenzsynthesizer
TW200505166A (en) Phase locked loop system capable of deskewing and method therefor
US8618875B2 (en) Using a new synchronization scheme for a multi-channel class-D amplifier
MY146736A (en) Method and apparatus for synchronizing a clock generator in the presence of jittery clock sources
JPS63169846A (ja) フレ−ムパルス発生方式
KR0184198B1 (ko) 클럭 발생장치
JPH0275240A (ja) 伝送スクランブル方式
JP3175217B2 (ja) デジタルpll回路
KR970077957A (ko) 펄스 신호열의 체배 회로 및 체배화 방법
KR960006299A (ko) 위상 동기 루프 장치
KR20080050996A (ko) 동기 무선통신시스템의 기준동기 신호발생장치
JPS6372236A (ja) スクランブル回路

Legal Events

Date Code Title Description
8364 No opposition during term of opposition