DE69315536D1 - Verriegelungsdetektion in einem Phasenregelkreis - Google Patents

Verriegelungsdetektion in einem Phasenregelkreis

Info

Publication number
DE69315536D1
DE69315536D1 DE69315536T DE69315536T DE69315536D1 DE 69315536 D1 DE69315536 D1 DE 69315536D1 DE 69315536 T DE69315536 T DE 69315536T DE 69315536 T DE69315536 T DE 69315536T DE 69315536 D1 DE69315536 D1 DE 69315536D1
Authority
DE
Germany
Prior art keywords
locked loop
phase locked
locking detection
locking
detection
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
DE69315536T
Other languages
English (en)
Other versions
DE69315536T2 (de
Inventor
Lanny L Parker
Ahmad H Atriss
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69315536D1 publication Critical patent/DE69315536D1/de
Publication of DE69315536T2 publication Critical patent/DE69315536T2/de
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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00—Oscillators
    • Y10S331/02—Phase locked loop having lock indicating or detecting means
DE69315536T 1992-10-26 1993-08-26 Verriegelungsdetektion in einem Phasenregelkreis Expired - Fee Related DE69315536T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/966,824 US5278520A (en) 1992-10-26 1992-10-26 Phase lock detection in a phase lock loop

Publications (2)

Publication Number Publication Date
DE69315536D1 true DE69315536D1 (de) 1998-01-15
DE69315536T2 DE69315536T2 (de) 1998-08-13

Family

ID=25511908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69315536T Expired - Fee Related DE69315536T2 (de) 1992-10-26 1993-08-26 Verriegelungsdetektion in einem Phasenregelkreis

Country Status (5)

Country Link
US (1) US5278520A (de)
EP (1) EP0594970B1 (de)
JP (1) JPH06224754A (de)
DE (1) DE69315536T2 (de)
HK (1) HK1005784A1 (de)

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EP0576749B1 (de) 1992-06-30 1999-06-02 Discovision Associates Datenpipelinesystem
GB9405914D0 (en) 1994-03-24 1994-05-11 Discovision Ass Video decompression
US6047112A (en) 1992-06-30 2000-04-04 Discovision Associates Technique for initiating processing of a data stream of encoded video information
US5835740A (en) 1992-06-30 1998-11-10 Discovision Associates Data pipeline system and data encoding method
US6330665B1 (en) 1992-06-30 2001-12-11 Discovision Associates Video parser
US5809270A (en) 1992-06-30 1998-09-15 Discovision Associates Inverse quantizer
US6112017A (en) 1992-06-30 2000-08-29 Discovision Associates Pipeline processing machine having a plurality of reconfigurable processing stages interconnected by a two-wire interface bus
US5821885A (en) 1994-07-29 1998-10-13 Discovision Associates Video decompression
US5842033A (en) 1992-06-30 1998-11-24 Discovision Associates Padding apparatus for passing an arbitrary number of bits through a buffer in a pipeline system
US6079009A (en) 1992-06-30 2000-06-20 Discovision Associates Coding standard token in a system compromising a plurality of pipeline stages
US6067417A (en) 1992-06-30 2000-05-23 Discovision Associates Picture start token
US5768561A (en) 1992-06-30 1998-06-16 Discovision Associates Tokens-based adaptive video processing arrangement
US5334951A (en) * 1993-02-18 1994-08-02 Northern Telecom Limited Phase lock loops and methods for their operation
US5339049A (en) * 1993-04-22 1994-08-16 Wiltron Company Ultra low noise frequency divider/multiplier
US5699544A (en) * 1993-06-24 1997-12-16 Discovision Associates Method and apparatus for using a fixed width word for addressing variable width data
US5805914A (en) 1993-06-24 1998-09-08 Discovision Associates Data pipeline system and data encoding method
US5861894A (en) 1993-06-24 1999-01-19 Discovision Associates Buffer manager
US5440515A (en) * 1994-03-08 1995-08-08 Motorola Inc. Delay locked loop for detecting the phase difference of two signals having different frequencies
CA2145379C (en) 1994-03-24 1999-06-08 William P. Robbins Method and apparatus for addressing memory
GB9405805D0 (en) * 1994-03-24 1994-05-11 Discovision Ass Improved phase locked loop
CA2145365C (en) 1994-03-24 1999-04-27 Anthony M. Jones Method for accessing banks of dram
CA2145361C (en) * 1994-03-24 1999-09-07 Martin William Sotheran Buffer manager
US5557224A (en) * 1994-04-15 1996-09-17 International Business Machines Corporation Apparatus and method for generating a phase-controlled clock signal
GB9417138D0 (en) * 1994-08-23 1994-10-12 Discovision Ass Data rate conversion
US5815016A (en) * 1994-09-02 1998-09-29 Xilinx, Inc. Phase-locked delay loop for clock correction
US5719532A (en) * 1995-06-21 1998-02-17 Sony Corporation Horizontal lock detector
US5719508A (en) * 1996-02-01 1998-02-17 Northern Telecom, Ltd. Loss of lock detector for master timing generator
US5864371A (en) * 1997-05-08 1999-01-26 Sony Corporation Luminance signal generation circuit with single clamp in closed loop configuration and horizontal synchronization pulse generation
US5999221A (en) * 1997-05-08 1999-12-07 Sony Corporation Horizontal synchronization pulse generation circuit
US5870002A (en) * 1997-06-23 1999-02-09 Exar Corporation Phase-frequency lock detector
KR100468693B1 (ko) 1997-10-13 2005-03-16 삼성전자주식회사 안정적으로락상태를판별하는위상락검출회로
JP3745517B2 (ja) 1997-10-20 2006-02-15 富士通株式会社 タイミング回路
KR100284780B1 (ko) * 1998-04-20 2001-03-15 윤종용 위상 동기 루프 회로의 위상 락 검출 회로
US6011412A (en) * 1998-05-01 2000-01-04 International Business Machines Corporation Frequency shift detection circuit with selectable granularity
US7423466B2 (en) * 2005-04-29 2008-09-09 Stmicroelectronics Pvt. Ltd. Apparatus for enabling duty cycle locking at the rising/falling edge of the clock
US7649421B2 (en) * 2007-06-19 2010-01-19 Harris Stratex Networks Operating Corporation Quality of phase lock and loss of lock detector
US8456206B2 (en) * 2011-06-20 2013-06-04 Skyworks Solutions, Inc. Phase-locked loop lock detect
US9252788B1 (en) 2014-09-11 2016-02-02 International Business Machines Corporation Phase error detection in phase lock loop and delay lock loop devices
CN111371451B (zh) * 2020-03-18 2023-02-28 深圳市紫光同创电子有限公司 锁相环的锁定检测方法、锁相环及其频率锁定检测控制器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473805A (en) * 1981-12-14 1984-09-25 Rca Corporation Phase lock loss detector
US4675558A (en) * 1985-10-21 1987-06-23 Ford Aerospace & Communications Corporation Lock detector for bit synchronizer
US5161175A (en) * 1991-05-28 1992-11-03 Motorola, Inc. Circuit and method of detecting an invalid clock signal
US5144170A (en) * 1991-06-28 1992-09-01 Motorola, Inc. Circuit and method of aligning clock signals
US5126690A (en) * 1991-08-08 1992-06-30 International Business Machines Corporation Phase locked loop lock detector including loss of lock and gain of lock detectors

Also Published As

Publication number Publication date
DE69315536T2 (de) 1998-08-13
HK1005784A1 (en) 1999-01-22
EP0594970A1 (de) 1994-05-04
JPH06224754A (ja) 1994-08-12
EP0594970B1 (de) 1997-12-03
US5278520A (en) 1994-01-11

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee