CA2010265A1 - Appareil a boucle a phase asservie - Google Patents

Appareil a boucle a phase asservie

Info

Publication number
CA2010265A1
CA2010265A1 CA2010265A CA2010265A CA2010265A1 CA 2010265 A1 CA2010265 A1 CA 2010265A1 CA 2010265 A CA2010265 A CA 2010265A CA 2010265 A CA2010265 A CA 2010265A CA 2010265 A1 CA2010265 A1 CA 2010265A1
Authority
CA
Canada
Prior art keywords
phase
circuit
phase lock
output
detector
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.)
Granted
Application number
CA2010265A
Other languages
English (en)
Other versions
CA2010265C (fr
Inventor
Hiroshi Horie
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.)
Toshiba Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2010265A1 publication Critical patent/CA2010265A1/fr
Application granted granted Critical
Publication of CA2010265C publication Critical patent/CA2010265C/fr
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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
    • H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail by using digital means for generating the oscillator control signal
    • H03L7/148—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail by using digital means for generating the oscillator control signal said digital means comprising a counter or a divider
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/08—Clock generators with changeable or programmable clock frequency
    • 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
    • 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
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/08—Modifications of the phase-locked loop for ensuring constant frequency when the power supply fails or is interrupted, e.g. for saving power
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CA002010265A 1989-02-17 1990-02-16 Appareil a boucle a phase asservie Expired - Fee Related CA2010265C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3796889 1989-02-17
JP1-37968 1989-02-17

Publications (2)

Publication Number Publication Date
CA2010265A1 true CA2010265A1 (fr) 1990-08-17
CA2010265C CA2010265C (fr) 1994-03-08

Family

ID=12512367

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002010265A Expired - Fee Related CA2010265C (fr) 1989-02-17 1990-02-16 Appareil a boucle a phase asservie

Country Status (2)

Country Link
US (1) US4988955A (fr)
CA (1) CA2010265C (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69332617T2 (de) * 1992-04-10 2003-11-06 Nec Corp., Tokio/Tokyo Verfahren für einen Frequenzsynthesizer einer TDMA-Mobileinheit mit Leistungssparbetriebsart während Sende- und Empfangsschlitzen
US5594735A (en) * 1992-04-10 1997-01-14 Nec Corporation TDMA mobile unit frequency synthesizer having power saving mode during transmit and receive slots
JPH06112817A (ja) * 1992-09-25 1994-04-22 Fujitsu Ltd Ｐｌｌ 周波数シンセサイザ回路
US5394444A (en) * 1993-07-12 1995-02-28 Motorola, Inc. Lock detect circuit for detecting a lock condition in a phase locked loop and method therefor
JPH0774671A (ja) * 1993-09-03 1995-03-17 Alps Electric Co Ltd 送受信機の発振回路及びｐｌｌｉｃ
US5477198A (en) * 1994-06-23 1995-12-19 At&T Global Information Solutions Company Extendible-range voltage controlled oscillator
US5559473A (en) * 1994-06-23 1996-09-24 At&T Global Information Solutions Company Multi-range voltage controlled oscillator
US5436597A (en) * 1994-07-11 1995-07-25 Sierra Semiconductor Corporation Pro-capture circuit for phase locked loop circuits
EP0711041A1 (fr) * 1994-11-03 1996-05-08 STMicroelectronics S.r.l. Circuit de synchronisation de phase
TW337054B (en) 1995-09-28 1998-07-21 Toshiba Co Ltd Horizontal synchronous signal oscillation circuit
JP3695819B2 (ja) 1996-01-16 2005-09-14 株式会社東芝 信号処理回路及びこれを用いた再生装置
US5748050A (en) * 1996-03-29 1998-05-05 Symbios Logic Inc. Linearization method and apparatus for voltage controlled oscillator
JP4319259B2 (ja) * 1996-07-02 2009-08-26 株式会社東芝 アクティブ・ワイドレンジｐｌｌ装置、位相ロックループ方法及びディスク再生装置
EP0838900A1 (fr) * 1996-10-25 1998-04-29 Siemens Aktiengesellschaft Boucle à verrouillage de phase avec contrÔle de frequence pour aider l'accrochage
KR100215889B1 (ko) * 1997-05-06 1999-08-16 구본준 클럭 동기 회로
SE9701805L (sv) * 1997-05-15 1998-11-16 Ericsson Telefon Ab L M Fasadetektoranordning
US5952853A (en) * 1997-12-23 1999-09-14 Hewlett-Packard Company Method for extending the output range of pulse-width based phase detectors
KR200176429Y1 (ko) * 1997-12-30 2000-04-15 윤종용 입력되는 표시 모드에 대응하여 위상 동기 루프 회로의 입력 전압을 제어하는 디스플레이 장치
US20020087904A1 (en) * 2000-12-28 2002-07-04 Zhong-Ning (George) Cai Method and apparatus for thermal sensitivity based dynamic power control
US7630698B2 (en) * 2005-07-26 2009-12-08 Agere Systems Inc. Fast switching, dual frequency phase locked loop
US9509490B1 (en) * 2015-09-21 2016-11-29 Apple Inc. Reference clock sharing
KR20180033960A (ko) * 2016-09-27 2018-04-04 삼성전자주식회사 클럭 스위치 장치 및 이를 포함하는 시스템-온-칩
CN111082436B (zh) * 2019-12-27 2023-04-07 华北电力大学 一种基于锁相一致的直驱风电场振荡抑制方法及系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835428B2 (ja) * 1978-12-27 1983-08-02 日本電気株式会社 搬送波再生回路

Also Published As

Publication number Publication date
CA2010265C (fr) 1994-03-08
US4988955A (en) 1991-01-29

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