SE0001029D0 - Phase-locked loop based clock phasing implementing a virtual delay - Google Patents
Phase-locked loop based clock phasing implementing a virtual delayInfo
- Publication number
- SE0001029D0 SE0001029D0 SE0001029A SE0001029A SE0001029D0 SE 0001029 D0 SE0001029 D0 SE 0001029D0 SE 0001029 A SE0001029 A SE 0001029A SE 0001029 A SE0001029 A SE 0001029A SE 0001029 D0 SE0001029 D0 SE 0001029D0
- Authority
- SE
- Sweden
- Prior art keywords
- delay
- pll
- control loop
- signal
- phase
- Prior art date
Links
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 abstract 1
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
-
- 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
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
-
- 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
- H03L7/143—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by switching the reference signal of the phase-locked loop
-
- 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
- H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Networks Using Active Elements (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0001029A SE517967C2 (sv) | 2000-03-23 | 2000-03-23 | System och förfarande för klocksignalgenerering |
AT01904686T ATE292859T1 (de) | 2000-03-23 | 2001-01-31 | Taktphasensteuerung auf phasenregelkreisbasis zur implementierung einer virtuellen verzögerung |
DE60109912T DE60109912T2 (de) | 2000-03-23 | 2001-01-31 | Taktphasensteuerung auf phasenregelkreisbasis zur implementierung einer virtuellen verzögerung |
AU2001232515A AU2001232515A1 (en) | 2000-03-23 | 2001-01-31 | Phase-locked loop based clock phasing implementing a virtual delay |
PCT/SE2001/000174 WO2001071920A1 (en) | 2000-03-23 | 2001-01-31 | Phase-locked loop based clock phasing implementing a virtual delay |
EP01904686A EP1277285B1 (en) | 2000-03-23 | 2001-01-31 | Phase-locked loop based clock phasing implementing a virtual delay |
US09/815,984 US6366146B2 (en) | 2000-03-23 | 2001-03-23 | Phase-locked loop based clock phasing implementing a virtual delay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0001029A SE517967C2 (sv) | 2000-03-23 | 2000-03-23 | System och förfarande för klocksignalgenerering |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0001029D0 true SE0001029D0 (sv) | 2000-03-23 |
SE0001029L SE0001029L (sv) | 2001-09-24 |
SE517967C2 SE517967C2 (sv) | 2002-08-06 |
Family
ID=20278984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0001029A SE517967C2 (sv) | 2000-03-23 | 2000-03-23 | System och förfarande för klocksignalgenerering |
Country Status (7)
Country | Link |
---|---|
US (1) | US6366146B2 (sv) |
EP (1) | EP1277285B1 (sv) |
AT (1) | ATE292859T1 (sv) |
AU (1) | AU2001232515A1 (sv) |
DE (1) | DE60109912T2 (sv) |
SE (1) | SE517967C2 (sv) |
WO (1) | WO2001071920A1 (sv) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8385476B2 (en) * | 2001-04-25 | 2013-02-26 | Texas Instruments Incorporated | Digital phase locked loop |
DE60238353D1 (de) * | 2002-02-14 | 2010-12-30 | Ericsson Telefon Ab L M | Nahtloser takt |
US6741109B1 (en) * | 2002-02-28 | 2004-05-25 | Silicon Laboratories, Inc. | Method and apparatus for switching between input clocks in a phase-locked loop |
US6920622B1 (en) | 2002-02-28 | 2005-07-19 | Silicon Laboratories Inc. | Method and apparatus for adjusting the phase of an output of a phase-locked loop |
CN100373776C (zh) * | 2002-06-28 | 2008-03-05 | 先进微装置公司 | 具有自动频率调整的锁相回路 |
KR100976375B1 (ko) * | 2002-09-06 | 2010-08-18 | 텔레포나크티에볼라게트 엘엠 에릭슨(피유비엘) | 2점 위상변조기의 트리밍 |
US6806751B2 (en) | 2002-09-12 | 2004-10-19 | Foundry Networks, Inc. | Loop filter for a phase-locked loop and method for switching |
US6803797B2 (en) * | 2003-01-31 | 2004-10-12 | Intel Corporation | System and method for extending delay-locked loop frequency application range |
US7330508B2 (en) * | 2003-12-19 | 2008-02-12 | Broadcom Corporation | Using clock and data recovery phase adjust to set loop delay of a decision feedback equalizer |
US7822113B2 (en) * | 2003-12-19 | 2010-10-26 | Broadcom Corporation | Integrated decision feedback equalizer and clock and data recovery |
US20060256821A1 (en) * | 2005-05-13 | 2006-11-16 | Peter Richards | Signal synchronization in display systems |
GB2430090B (en) * | 2005-09-08 | 2007-10-17 | Motorola Inc | RF synthesizer and RF transmitter or receiver incorporating the synthesizer |
DE102006024469B3 (de) * | 2006-05-24 | 2007-07-12 | Xignal Technologies Ag | Phasenregelkreis zur Erzeugung mehrerer Ausgangssignale |
DE102006024471A1 (de) * | 2006-05-24 | 2007-12-06 | Xignal Technologies Ag | Umschaltbarer Phasenregelkreis sowie Verfahren zum Betrieb eines umschaltbaren Phasenregelkreises |
EP2027653A1 (en) * | 2006-06-14 | 2009-02-25 | Telefonaktiebolaget Lm Ericsson | Frequency synthesizer |
US7405628B2 (en) * | 2006-09-29 | 2008-07-29 | Silicon Laboratories Inc. | Technique for switching between input clocks in a phase-locked loop |
US7443250B2 (en) * | 2006-09-29 | 2008-10-28 | Silicon Laboratories Inc. | Programmable phase-locked loop responsive to a selected bandwidth and a selected reference clock signal frequency to adjust circuit characteristics |
US20090302904A1 (en) * | 2008-06-10 | 2009-12-10 | International Business Machines Corporation | Phase Frequency Detector Circuit for Implementing Low PLL Phase Noise and Low Phase Error |
US7885030B2 (en) * | 2008-07-07 | 2011-02-08 | International Business Machines Corporation | Methods and systems for delay compensation in global PLL-based timing recovery loops |
CN103001720B (zh) * | 2012-11-12 | 2017-05-10 | 中兴通讯股份有限公司 | 时间同步方法和装置 |
JP5880603B2 (ja) * | 2014-03-19 | 2016-03-09 | 日本電気株式会社 | クロック発生装置、サーバシステムおよびクロック制御方法 |
DE102014210521A1 (de) * | 2014-06-03 | 2015-12-03 | Continental Teves Ag & Co. Ohg | Jitterkompensation im Taktgenerator eines Drehratensensors |
US10514720B1 (en) | 2018-06-19 | 2019-12-24 | Aura Semiconductor Pvt. Ltd | Hitless switching when generating an output clock derived from multiple redundant input clocks |
US11588489B1 (en) | 2021-10-06 | 2023-02-21 | Shaoxing Yuanfang Semiconductor Co., Ltd. | Obtaining lock in a phase-locked loop (PLL) upon being out of phase-lock |
US11923864B2 (en) | 2021-10-18 | 2024-03-05 | Shaoxing Yuanfang Semiconductor Co., Ltd. | Fast switching of output frequency of a phase locked loop (PLL) |
US11967965B2 (en) | 2021-11-03 | 2024-04-23 | Shaoxing Yuanfang Semiconductor Co., Ltd. | Generating divided signals from phase-locked loop (PLL) output when reference clock is unavailable |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0364679B1 (de) * | 1988-10-18 | 1994-11-02 | Siemens-Albis Aktiengesellschaft | Frequenzsynthesegerät |
US5339278A (en) * | 1993-04-12 | 1994-08-16 | Motorola, Inc. | Method and apparatus for standby recovery in a phase locked loop |
US5638410A (en) | 1993-10-14 | 1997-06-10 | Alcatel Network Systems, Inc. | Method and system for aligning the phase of high speed clocks in telecommunications systems |
CA2130871C (en) * | 1993-11-05 | 1999-09-28 | John M. Alder | Method and apparatus for a phase-locked loop circuit with holdover mode |
JP2788855B2 (ja) * | 1994-06-22 | 1998-08-20 | 日本電気株式会社 | Pll回路装置 |
GB2293062B (en) | 1994-09-09 | 1996-12-04 | Toshiba Kk | Master-slave multiplex communication system and PLL circuit applied to the system |
DE4442306C2 (de) * | 1994-11-28 | 1997-12-18 | Siemens Ag | Verfahren und Anordnung zur Ermittlung von Phasenänderungen eines Referenz-Eingangssignals eines Phasenregelkreises |
JPH118813A (ja) | 1997-06-18 | 1999-01-12 | Sony Corp | 位相同期ループ回路 |
-
2000
- 2000-03-23 SE SE0001029A patent/SE517967C2/sv not_active IP Right Cessation
-
2001
- 2001-01-31 AU AU2001232515A patent/AU2001232515A1/en not_active Abandoned
- 2001-01-31 WO PCT/SE2001/000174 patent/WO2001071920A1/en active IP Right Grant
- 2001-01-31 AT AT01904686T patent/ATE292859T1/de not_active IP Right Cessation
- 2001-01-31 EP EP01904686A patent/EP1277285B1/en not_active Expired - Lifetime
- 2001-01-31 DE DE60109912T patent/DE60109912T2/de not_active Expired - Lifetime
- 2001-03-23 US US09/815,984 patent/US6366146B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1277285B1 (en) | 2005-04-06 |
EP1277285A1 (en) | 2003-01-22 |
DE60109912T2 (de) | 2006-04-27 |
US6366146B2 (en) | 2002-04-02 |
AU2001232515A1 (en) | 2001-10-03 |
SE0001029L (sv) | 2001-09-24 |
US20010030559A1 (en) | 2001-10-18 |
ATE292859T1 (de) | 2005-04-15 |
SE517967C2 (sv) | 2002-08-06 |
DE60109912D1 (de) | 2005-05-12 |
WO2001071920A1 (en) | 2001-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |