DE3687630D1 - Taktsynchronisierschaltung. - Google Patents

Taktsynchronisierschaltung.

Info

Publication number: DE3687630D1
Authority: DE; Germany
Prior art keywords: clock synchronizer; synchronizer circuit; circuit; clock; synchronizer
Prior art date: 1985-12-02
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

DE8686116557T

Other languages

English (en)

Other versions

DE3687630T2 (de

Inventor

Dominick Scordo

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.)

AT&T Corp

Original Assignee

American Telephone and Telegraph Co Inc

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.)

1985-12-02

Filing date

1986-11-28

Publication date

1993-03-11

1986-11-28 Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc

1993-03-11 Publication of DE3687630D1 publication Critical patent/DE3687630D1/de

1993-08-12 Application granted granted Critical

1993-08-12 Publication of DE3687630T2 publication Critical patent/DE3687630T2/de

2006-11-29 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
- H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Synchronisation In Digital Transmission Systems (AREA)

DE8686116557T 1985-12-02 1986-11-28 Taktsynchronisierschaltung. Expired - Fee Related DE3687630T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/805,124 US4633193A (en)	1985-12-02	1985-12-02	Clock circuit synchronizer using a frequency synthesizer controlled by a frequency estimator

Publications (2)

Publication Number	Publication Date
DE3687630D1 true DE3687630D1 (de)	1993-03-11
DE3687630T2 DE3687630T2 (de)	1993-08-12

Family

ID=25190732

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8686116557T Expired - Fee Related DE3687630T2 (de)	1985-12-02	1986-11-28	Taktsynchronisierschaltung.

Country Status (5)

Country	Link
US (1)	US4633193A (de)
EP (1)	EP0224884B1 (de)
JP (1)	JPH07105788B2 (de)
CA (1)	CA1290824C (de)
DE (1)	DE3687630T2 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5359727A (en) *	1987-04-27	1994-10-25	Hitachi, Ltd.	Clock generator using PLL and information processing system using the clock generator
US4862485A (en) *	1987-10-14	1989-08-29	National Semiconductor Corporation	Quotient phase-shift processor for digital phase-locked-loops
US4939790A (en) *	1988-03-28	1990-07-03	Zenith Electronics Corporation	PLL frequency stabilization in data packet receivers
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
US4949197A (en) *	1988-09-08	1990-08-14	Aspen Peripherals Corp.	Dead track acquisition for phase-locked loop control
FR2638591B1 (fr) *	1988-11-03	1990-11-30	Telephonie Ind Commerciale	Agencement de synchronisation pour autocommutateur numerique prive raccorde a un reseau rnis
US4930142A (en) *	1988-12-06	1990-05-29	Stac, Inc.	Digital phase lock loop
FR2647989B1 (fr) *	1989-05-31	1991-08-23	Cit Alcatel	Dispositif de detection de perte de signal de reception pour recepteur de signaux numeriques
JP2676919B2 (ja) *	1989-06-07	1997-11-17	株式会社リコー	復調クロック補正装置
US5081705A (en) *	1989-06-29	1992-01-14	Rockwell International Corp.	Communication system with external reference signal processing capability
US5041798A (en) *	1990-06-12	1991-08-20	International Business Machines Corporation	Time reference with proportional steering
DE69127333T2 (de) *	1990-10-02	1998-01-02	Nippon Electric Co	Phasensynchronisiertes Oszillatorsystem mit Ma nahmen gegen Unterbrechung des Eingangstakts
US5136617A (en) *	1990-12-03	1992-08-04	At&T Bell Laboratories	Switching technique for attaining synchronization
US5216554A (en) *	1991-07-01	1993-06-01	International Business Machines Corporation	Digital phase error estimator
JPH05183590A (ja) *	1992-01-06	1993-07-23	Ricoh Co Ltd	タイミング再生装置
SE502458C2 (sv) *	1992-01-20	1995-10-23	Asea Brown Boveri	Förfarande och anordning för avstämning av internt genererad klockpulssignal
US5574407A (en) *	1993-04-20	1996-11-12	Rca Thomson Licensing Corporation	Phase lock loop with error consistency detector
KR100308603B1 (ko) *	1993-04-20	2001-11-30	락스 죠셉 제이.	에러 일관성 검출기를 갖는 위상 동기 루프
JP3066690B2 (ja) *	1993-09-20	2000-07-17	富士通株式会社	位相同期発振回路
DE4336239A1 (de) *	1993-10-23	1995-04-27	Sel Alcatel Ag	Schaltungsanordnung für einen Taktgenerator
JP3133885B2 (ja) *	1993-12-24	2001-02-13	富士通株式会社	Ｐｌｌ回路を有する信号処理装置
US5473640A (en) *	1994-01-21	1995-12-05	At&T Corp.	Phase-lock loop initialized by a calibrated oscillator-control value
US5579348A (en) *	1994-02-02	1996-11-26	Gi Corporation	Method and apparatus for improving the apparent accuracy of a data receiver clock circuit
US5566204A (en) *	1994-05-02	1996-10-15	Raytheon Company	Fast acquisition clock recovery system
CA2146801C (en) *	1994-05-27	1999-11-02	Barin Geoffry Haskell	Timing recovery for variable bit-rate video on asynchronous transfer mode (atm) networks
US5525932A (en) *	1994-08-31	1996-06-11	International Business Machines Corporation	Lock indicator for phase locked loop circuit
US5513225A (en) *	1994-08-31	1996-04-30	International Business Machines Corporation	Resistorless phase locked loop circuit employing direct current injection
US5495207A (en) *	1994-08-31	1996-02-27	International Business Machines Corporation	Differential current controlled oscillator with variable load
US5491439A (en) *	1994-08-31	1996-02-13	International Business Machines Corporation	Method and apparatus for reducing jitter in a phase locked loop circuit
US5619161A (en) *	1994-08-31	1997-04-08	International Business Machines Corporation	Diffrential charge pump with integrated common mode control
GB2293062B (en) *	1994-09-09	1996-12-04	Toshiba Kk	Master-slave multiplex communication system and PLL circuit applied to the system
US5581472A (en) *	1994-11-16	1996-12-03	Westinghouse Air Brake Company	Method and apparatus for feedback of trainline status to the central processor of a locomotive throttle controller
JP3523718B2 (ja) *	1995-02-06	2004-04-26	株式会社ルネサステクノロジ	半導体装置
US5654989A (en) *	1995-11-03	1997-08-05	Motorola, Inc.	Method and apparatus for symbol timing tracking
JP2891149B2 (ja) *	1995-11-20	1999-05-17	日本電気株式会社	位相制御ループ方式
US5663666A (en)	1996-02-21	1997-09-02	Hewlett-Packard Company	Digital phase detector
US5982831A (en)	1996-02-21	1999-11-09	Hewlett-Packard Company	Feed forward method and apparatus for generating a clock signal
US5694086A (en) *	1996-02-28	1997-12-02	Port; Adrian George	Precision, analog CMOS one-shot and phase locked loop including the same
US5801783A (en) *	1996-10-31	1998-09-01	Lucent Technologies Inc.	Remote accurate frequency generation using a numerically controlled oscillator
US6005902A (en) *	1997-08-29	1999-12-21	Lucent Technologies Inc.	Providing timing to an external system
US6163549A (en) *	1997-08-29	2000-12-19	Lucent Technologies Inc.	Synchronizing a central timing unit to an external link via a switching network
US5999543A (en) *	1997-08-29	1999-12-07	Lucent Technologies Inc.	Switching network providing multiple timing paths for port circuits
US6122336A (en) *	1997-09-11	2000-09-19	Lsi Logic Corporation	Digital clock recovery circuit with phase interpolation
JP3286907B2 (ja) *	1997-10-30	2002-05-27	三菱電機株式会社	タイミング位相同期検出回路及び復調器
WO1999053639A1 (en) *	1998-04-09	1999-10-21	Nokia Networks Oy	Node control unit of an access node in a telecommunications network
FR2779588B1 (fr) *	1998-06-05	2000-07-13	Sgs Thomson Microelectronics	Dispositif de generation d'un signal de commande dephase par rapport a un signal de synchronisation externe
GB2363268B (en) *	2000-06-08	2004-04-14	Mitel Corp	Timing circuit with dual phase locked loops
US6768362B1 (en) *	2001-08-13	2004-07-27	Cypress Semiconductor Corp.	Fail-safe zero delay buffer with automatic internal reference
GB0201334D0 (en) *	2002-01-22	2002-03-13	Zarlink Semiconductor Inc	Method of measuring the accuracy of a clock signal
WO2004047302A1 (en) *	2002-11-21	2004-06-03	Sony Ericsson Mobile Communications Ab	Oscillator frequency control
JP2004180125A (ja) *	2002-11-28	2004-06-24	Renesas Technology Corp	半導体装置
US20040153894A1 (en) *	2003-01-21	2004-08-05	Zarlink Semiconductor Inc.	Method of measuring the accuracy of a clock signal
US7689190B2 (en) *	2004-09-30	2010-03-30	St-Ericsson Sa	Controlling the frequency of an oscillator
US7545228B1 (en) *	2007-09-12	2009-06-09	Sitime Inc.	Dynamic temperature compensation for a digitally controlled oscillator using dual MEMS resonators
CN102714500B (zh) *	2010-01-13	2015-11-25	古野电气株式会社	基准频率产生装置
DE102020123766A1 (de)	2020-07-16	2022-01-20	Avl Software And Functions Gmbh	Verfahren zur Ansteuerung von elektrischen Maschinen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4135166A (en) *	1978-04-26	1979-01-16	Gte Sylvania Incorporated	Master timing generator
US4305045A (en) *	1979-11-14	1981-12-08	Bell Telephone Laboratories, Incorporated	Phase locked loop clock synchronizing circuit with programmable controller
DE2951022A1 (de) *	1979-12-19	1981-07-23	Robert Bosch Gmbh, 7000 Stuttgart	Schaltungsanordnung zur erzeugung von taktimpulsen bei der regenerierung von rechteckimpulsen
JPS57162552A (en) *	1981-03-31	1982-10-06	Fujitsu Ltd	Phase synchronizing oscillator of network synchronizing device
JPS58108832A (ja) *	1981-12-23	1983-06-29	Toshiba Corp	信号再生回路

1985
- 1985-12-02 US US06/805,124 patent/US4633193A/en not_active Expired - Lifetime
1986
- 1986-11-13 CA CA000522874A patent/CA1290824C/en not_active Expired - Fee Related
- 1986-11-28 EP EP86116557A patent/EP0224884B1/de not_active Expired - Lifetime
- 1986-11-28 DE DE8686116557T patent/DE3687630T2/de not_active Expired - Fee Related
- 1986-12-02 JP JP28608586A patent/JPH07105788B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPS62137936A (ja)	1987-06-20
EP0224884A3 (en)	1989-04-05
CA1290824C (en)	1991-10-15
DE3687630T2 (de)	1993-08-12
US4633193A (en)	1986-12-30
EP0224884A2 (de)	1987-06-10
EP0224884B1 (de)	1993-01-27
JPH07105788B2 (ja)	1995-11-13

Publication	Publication Date	Title
DE3687630D1 (de)	1993-03-11	Taktsynchronisierschaltung.
DE3584985D1 (de)	1992-02-06	Phasensynchronisierungsschaltung.
DE3680250D1 (de)	1991-08-22	Taktgeber.
DE3670154D1 (de)	1990-05-10	Elektronisches hubodometer.
DE3678808D1 (de)	1991-05-23	Induktive schaltungsanordnungen.
DE3667555D1 (de)	1990-01-18	Uhrenthermostat.
DE3668701D1 (de)	1990-03-08	Elektronisches thermometer.
DE3675813D1 (de)	1991-01-10	Leistungssynchronisiereinrichtung.
DE3767243D1 (de)	1991-02-14	Schaltkreis fuer taktsignale.
DE3575246D1 (de)	1990-02-08	Stromflussumkehrschaltkreis.
DE3485782D1 (de)	1992-07-30	Taktsynchronisierungsschaltung.
DE3681045D1 (de)	1991-10-02	Vorladungsschaltung.
DE3689462D1 (de)	1994-02-10	Logische Schaltung.
DE3688564D1 (de)	1993-07-22	Sequentielle logische schaltung.
KR860005533A (ko)	1986-07-23	Pll 회로
KR870004577A (ko)	1987-05-11	클럭 성형 회로
DE3774407D1 (de)	1991-12-12	Synchronisationsschaltung.
DE3684798D1 (de)	1992-05-21	Oszillatorschaltung.
DE3673816D1 (de)	1990-10-04	Schnittstellenschaltung.
DE3670741D1 (de)	1990-05-31	Taktsignal-regeneratoranordnung.
IT8622962V0 (it)	1986-09-09	Orologio per bambini.
DE3689879D1 (de)	1994-07-07	Arithmetisch-logische Schaltung.
DE3675506D1 (de)	1990-12-13	Synchronisierschaltung fuer digitalen, freilaufenden taktgeber.
DE3687047D1 (de)	1992-12-10	Uebertragungsschaltung.
DE3674527D1 (de)	1990-10-31	Cmos-schaltung.

Legal Events

Date	Code	Title	Description
1994-03-03	8364	No opposition during term of opposition
1995-07-20	8328	Change in the person/name/address of the agent	Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN
2004-09-23	8339	Ceased/non-payment of the annual fee