JP2001513302A - 位相同期ループの同期状態検出器 - Google Patents

位相同期ループの同期状態検出器

Info

Publication number
JP2001513302A
JP2001513302A JP53350799A JP53350799A JP2001513302A JP 2001513302 A JP2001513302 A JP 2001513302A JP 53350799 A JP53350799 A JP 53350799A JP 53350799 A JP53350799 A JP 53350799A JP 2001513302 A JP2001513302 A JP 2001513302A
Authority
JP
Japan
Prior art keywords
signal
logic
circuit
control signal
synchronization
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.)
Ceased
Application number
JP53350799A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001513302A5 (https=
Inventor
トーマス トロッデン
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of JP2001513302A publication Critical patent/JP2001513302A/ja
Publication of JP2001513302A5 publication Critical patent/JP2001513302A5/ja
Ceased 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
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095Details 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
    • 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
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/089Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
    • H03L7/0891Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00Oscillators
    • Y10S331/02Phase locked loop having lock indicating or detecting means

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP53350799A 1997-12-22 1998-10-08 位相同期ループの同期状態検出器 Ceased JP2001513302A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/995,471 US5969576A (en) 1997-12-22 1997-12-22 Phase locked loop lock condition detector
US08/995,471 1997-12-22
PCT/IB1998/001575 WO1999033180A1 (en) 1997-12-22 1998-10-08 A phase locked loop lock condition detector

Publications (2)

Publication Number Publication Date
JP2001513302A true JP2001513302A (ja) 2001-08-28
JP2001513302A5 JP2001513302A5 (https=) 2006-03-02

Family

ID=25541849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53350799A Ceased JP2001513302A (ja) 1997-12-22 1998-10-08 位相同期ループの同期状態検出器

Country Status (4)

Country Link
US (1) US5969576A (https=)
EP (1) EP0962055A1 (https=)
JP (1) JP2001513302A (https=)
WO (1) WO1999033180A1 (https=)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815041A (en) * 1996-04-12 1998-09-29 Silicon Image, Inc. High-speed and high-precision phase locked loop having phase detector with dynamic logic structure
KR100338460B1 (ko) * 1999-01-22 2002-05-30 조동일 루프 센서를 이용한 차량 검지 장치
US6404289B1 (en) 2000-12-22 2002-06-11 Atheros Communications, Inc. Synthesizer with lock detector, lock algorithm, extended range VCO, and a simplified dual modulus divider
US6930628B2 (en) * 2001-05-03 2005-08-16 Coreoptics, Inc. Amplitude detection for controlling the decision instant for sampling as a data flow
DE10122702C2 (de) * 2001-05-10 2003-08-21 Infineon Technologies Ag Verfahren und Vorrichtung zum Erzeugen eines zweiten Signals mit einem auf einem zweiten Takt basierenden Takt aus einem ersten Signal mit einem ersten Takt
JP4545985B2 (ja) * 2001-05-17 2010-09-15 ルネサスエレクトロニクス株式会社 ロック検出回路および位相同期ループ回路
US6483361B1 (en) * 2001-05-18 2002-11-19 National Semiconductor Corporation Lock detector for determining phase lock condition in PLL on a period-by-period basis according to desired phase error
US6762631B1 (en) * 2001-11-06 2004-07-13 National Semiconductor Corporation Lock detection circuit for a phase locked loop circuit
US6807498B2 (en) * 2002-02-22 2004-10-19 Texas Instruments Incorporated Method for measuring PLL lock time
US6670834B1 (en) * 2002-09-12 2003-12-30 Lsi Logic Corporation Digital lock detect for dithering phase lock loops
KR100510519B1 (ko) * 2003-02-05 2005-08-26 삼성전자주식회사 향상된 위상 락/언락 검출 기능을 가지는 pll
US6927635B2 (en) * 2003-08-14 2005-08-09 Toshiba America Electronic Components, Inc. Lock detectors having a narrow sensitivity range
CN100395957C (zh) * 2004-04-27 2008-06-18 华为技术有限公司 锁相环检测装置
US7424082B2 (en) * 2004-08-11 2008-09-09 Micron Technology, Inc. Digital lock detector for PLL
US7015725B1 (en) * 2004-12-06 2006-03-21 Faraday Technology Corp. Delay-locked loop device capable of anti-false-locking
US7157978B2 (en) * 2005-04-08 2007-01-02 Via Telecom Co., Ltd. Method and system for a lock detector for a phase-locked loop
KR100682830B1 (ko) * 2005-08-10 2007-02-15 삼성전자주식회사 락 검출기 및 이를 구비하는 지연 동기 루프
US7620126B2 (en) * 2005-09-27 2009-11-17 International Business Machines Corporation Method and apparatus for detecting frequency lock in a system including a frequency synthesizer
US7590194B2 (en) * 2005-09-27 2009-09-15 International Business Machines Corporation Information handling system capable of detecting frequency lock of signals downstream from a signal synthesized by frequency synthesizer
US8736323B2 (en) * 2007-01-11 2014-05-27 International Business Machines Corporation Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loops
KR101020513B1 (ko) * 2008-09-04 2011-03-09 한국전자통신연구원 락 검출 회로 및 락 검출 방법
EP3285401B1 (en) * 2016-08-19 2020-01-29 Aselsan Elektronik Sanayi ve Ticaret Anonim Sirketi A system and a method for detecting loss of phase lock
US10860320B1 (en) 2016-12-06 2020-12-08 Gsi Technology, Inc. Orthogonal data transposition system and method during data transfers to/from a processing array
US10943648B1 (en) 2016-12-06 2021-03-09 Gsi Technology, Inc. Ultra low VDD memory cell with ratioless write port
US10847213B1 (en) 2016-12-06 2020-11-24 Gsi Technology, Inc. Write data processing circuits and methods associated with computational memory cells
US10770133B1 (en) 2016-12-06 2020-09-08 Gsi Technology, Inc. Read and write data processing circuits and methods associated with computational memory cells that provides write inhibits and read bit line pre-charge inhibits
US11227653B1 (en) 2016-12-06 2022-01-18 Gsi Technology, Inc. Storage array circuits and methods for computational memory cells
US10847212B1 (en) 2016-12-06 2020-11-24 Gsi Technology, Inc. Read and write data processing circuits and methods associated with computational memory cells using two read multiplexers
US10891076B1 (en) 2016-12-06 2021-01-12 Gsi Technology, Inc. Results processing circuits and methods associated with computational memory cells
US10777262B1 (en) 2016-12-06 2020-09-15 Gsi Technology, Inc. Read data processing circuits and methods associated memory cells
US10998040B2 (en) 2016-12-06 2021-05-04 Gsi Technology, Inc. Computational memory cell and processing array device using the memory cells for XOR and XNOR computations
US10854284B1 (en) 2016-12-06 2020-12-01 Gsi Technology, Inc. Computational memory cell and processing array device with ratioless write port
US10860318B2 (en) 2016-12-06 2020-12-08 Gsi Technology, Inc. Computational memory cell and processing array device using memory cells
US10958272B2 (en) 2019-06-18 2021-03-23 Gsi Technology, Inc. Computational memory cell and processing array device using complementary exclusive or memory cells
US10930341B1 (en) 2019-06-18 2021-02-23 Gsi Technology, Inc. Processing array device that performs one cycle full adder operation and bit line read/write logic features
US10877731B1 (en) 2019-06-18 2020-12-29 Gsi Technology, Inc. Processing array device that performs one cycle full adder operation and bit line read/write logic features
CN114421957B (zh) * 2022-03-29 2022-08-16 长芯盛(武汉)科技有限公司 一种失锁检测电路和失锁检测方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8522998D0 (en) * 1985-09-18 1985-10-23 Plessey Co Plc Phase comparator lock detect circuit
US5189379A (en) * 1989-11-16 1993-02-23 Fujitsu Limited Pulse width detecting circuit and PLL synthesizer circuit using the same
JP3232351B2 (ja) * 1993-10-06 2001-11-26 三菱電機株式会社 デジタル回路装置
US5530383A (en) * 1994-12-05 1996-06-25 May; Michael R. Method and apparatus for a frequency detection circuit for use in a phase locked loop
US5821817A (en) * 1997-06-16 1998-10-13 The United States Of America As Represented By The Secretary Of The Army Fast-locking low-noise phase-locked loop

Also Published As

Publication number Publication date
WO1999033180A1 (en) 1999-07-01
US5969576A (en) 1999-10-19
EP0962055A1 (en) 1999-12-08

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