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ZA817156B - Phase-locked loop with initialization loop - Google Patents

Phase-locked loop with initialization loop

Info

Publication number
ZA817156B
ZA817156B ZA817156A ZA817156A ZA817156B ZA 817156 B ZA817156 B ZA 817156B ZA 817156 A ZA817156 A ZA 817156A ZA 817156 A ZA817156 A ZA 817156A ZA 817156 B ZA817156 B ZA 817156B
Authority
ZA
South Africa
Prior art keywords
loop
phase
initialization
locked
locked loop
Prior art date
Application number
ZA817156A
Other languages
English (en)
Inventor
Ronald Lloyd Lee
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ZA817156B publication Critical patent/ZA817156B/xx

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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
ZA817156A 1980-10-31 1981-10-15 Phase-locked loop with initialization loop ZA817156B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/202,554 US4365211A (en) 1980-10-31 1980-10-31 Phase-locked loop with initialization loop

Publications (1)

Publication Number Publication Date
ZA817156B true ZA817156B (en) 1983-01-26

Family

ID=22750359

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA817156A ZA817156B (en) 1980-10-31 1981-10-15 Phase-locked loop with initialization loop

Country Status (8)

Country Link
US (1) US4365211A (xx)
EP (1) EP0051473B1 (xx)
JP (1) JPS57106241A (xx)
BR (1) BR8107034A (xx)
DE (1) DE3171060D1 (xx)
ES (1) ES506676A0 (xx)
MX (1) MX152567A (xx)
ZA (1) ZA817156B (xx)

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JPS5850827A (ja) * 1981-09-08 1983-03-25 Fujitsu Ltd フェーズ・ロック・ループ回路
US4484152A (en) * 1982-05-19 1984-11-20 Westinghouse Electric Corp. Phase-locked loop having improved locking capabilities
JPS6014522A (ja) * 1983-07-06 1985-01-25 Mitsubishi Electric Corp デジタル信号に同期したクロツク信号発生装置
GB2143385A (en) * 1983-07-13 1985-02-06 Plessey Co Plc Phase lock loop circuit
US4583060A (en) * 1983-08-22 1986-04-15 Rca Corporation High speed voltage tunable frequency filter or frequency generator
US4580107A (en) * 1984-06-06 1986-04-01 The United States Of America As Represented By The Secretary Of The Air Force Phase lock acquisition system having FLL for coarse tuning and PLL for fine tuning
FR2573592B1 (fr) * 1984-11-20 1993-12-10 Bull Sa Circuit oscillateur asservi en phase a un signal de frequence predeterminee
US4593254A (en) * 1984-12-14 1986-06-03 International Business Machines Corp. VCO centering circuit
JPS61150525A (ja) * 1984-12-25 1986-07-09 Nec Corp 位相同期回路
US4829545A (en) * 1986-08-25 1989-05-09 Guzik Technical Enterprises, Inc. Method and apparatus for data window centering ina multifrequency data separator
US4835481A (en) * 1986-09-30 1989-05-30 Siemens Aktiengesellschaft Circuit arrangement for generating a clock signal which is synchronous in respect of frequency to a reference frequency
US4787097A (en) * 1987-02-11 1988-11-22 International Business Machines Corporation NRZ phase-locked loop circuit with associated monitor and recovery circuitry
US4806879A (en) * 1987-05-01 1989-02-21 Ecrm Incorporated Method and apparatus for synchronizing to a pulse train packet signal
JP2520697B2 (ja) * 1987-10-23 1996-07-31 アンリツ株式会社 位相信号濾波装置
IT1223524B (it) * 1987-12-18 1990-09-19 Honeywell Bull Spa Circuito ad aggancio di fase autotarante
GB2223136B (en) * 1988-03-28 1992-10-14 Plessey Co Plc Broad band vco control system for clock recovery
DE3816696A1 (de) * 1988-05-17 1989-11-30 Philips Patentverwaltung Schaltungsanordnung zum synchronisieren eines in der frequenz steuerbaren oszillators
US4882549A (en) * 1988-11-16 1989-11-21 Zvi Galani Center offset microwave frequency synthesizer
US4885553A (en) * 1988-11-30 1989-12-05 Motorola, Inc. Continuously adaptive phase locked loop synthesizer
FR2651937B1 (fr) * 1989-09-14 1994-04-08 Alcatel Espace Transpondeur de mise a poste d'un satellite.
FR2661752B1 (fr) * 1990-05-07 1992-07-10 Dassault Electronique Recepteur d'un signal electromagnetique de frequence nominale connue susceptible d'etre affecte d'une variation inconnue, notamment par decalage doppler.
US5223755A (en) * 1990-12-26 1993-06-29 Xerox Corporation Extended frequency range variable delay locked loop for clock synchronization
DE4125995A1 (de) * 1991-06-08 1992-12-10 Licentia Gmbh Empfaengeranordnung
US5142246A (en) * 1991-06-19 1992-08-25 Telefonaktiebolaget L M Ericsson Multi-loop controlled VCO
JP3137370B2 (ja) * 1991-08-07 2001-02-19 株式会社東芝 デジタルｐｌｌ回路
JP3208736B2 (ja) * 1991-11-08 2001-09-17 ソニー株式会社 Ｐｌｌ回路
JP3033654B2 (ja) * 1993-08-23 2000-04-17 日本電気株式会社 Ｐｌｌ周波数シンセサイザ
GB9320069D0 (en) * 1993-09-29 1993-11-17 Sgs Thomson Microelectronics Frequency tuning for a phase locked loop
US5512860A (en) * 1994-12-02 1996-04-30 Pmc-Sierra, Inc. Clock recovery phase locked loop control using clock difference detection and forced low frequency startup
JPH08213901A (ja) * 1995-02-02 1996-08-20 Fujitsu Ltd 位相同期回路及びこれを構成するための回路装置並びに位相同期回路を用いた電子装置
IT1279165B1 (it) * 1995-03-14 1997-12-04 Cselt Centro Studi Lab Telecom Circuito per l'estrazione del segnale di orologio da un flusso dati ad alta velocita'.
KR100546541B1 (ko) * 1995-08-14 2006-03-23 가부시끼가이샤 히다치 세이사꾸쇼 Ｐｌｌ회로및영상재생장치
US5666084A (en) * 1995-12-01 1997-09-09 Motorola, Inc. Multi-level demodulator and VCO circuit
US5856753A (en) * 1996-03-29 1999-01-05 Cypress Semiconductor Corp. Output circuit for 3V/5V clock chip duty cycle adjustments
US5802450A (en) * 1996-04-19 1998-09-01 Ericsson Inc. Transmit sequencing
US5838205A (en) * 1997-02-18 1998-11-17 International Business Machines Corporation Variable-speed phase-locked loop system with on-the-fly switching and method therefor
US6617932B2 (en) * 2001-08-27 2003-09-09 Axe, Inc. System and method for wide dynamic range clock recovery
US20030039013A1 (en) * 2001-08-27 2003-02-27 Jones David J. Dynamic dispersion compensation in high-speed optical transmission systems
US7317778B2 (en) * 2003-01-31 2008-01-08 Hewlett-Packard Development Company, L.P. Phase-locked loop control circuit
US20080158076A1 (en) * 2006-12-28 2008-07-03 Broadcom Corporation Dynamically adjustable narrow bandwidth antenna for wide band systems
CN109121058B (zh) * 2018-07-06 2020-11-06 江西洪都航空工业集团有限责任公司 一种音频信号的测试方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241084A (en) * 1962-10-29 1966-03-15 Motorola Inc System to extend the control range of phase locked oscillators
US3447084A (en) * 1966-01-03 1969-05-27 Bell Telephone Labor Inc Correction of frequency shift in carrier systems
JPS5136026B1 (xx) * 1970-04-10 1976-10-06
US3660781A (en) * 1970-10-19 1972-05-02 Bendix Corp Low power frequency synthesizer with two phase locking loops
JPS5247176B2 (xx) * 1972-08-30 1977-11-30
US3909735A (en) * 1974-04-04 1975-09-30 Ncr Co Slow switch for bandwidth change in phase-locked loop
JPS5126452A (xx) * 1974-08-29 1976-03-04 Fujitsu Ltd
JPS529354A (en) * 1975-07-11 1977-01-24 Hitachi Ltd Phase lock circuit
JPS5252616A (en) * 1975-10-27 1977-04-27 Fujitsu Ltd Synchronous signal generating circuit in data reading device
NL174417C (nl) * 1976-08-20 1984-06-01 Philips Nv Fasevergrendellus met omschakelbaar lusfilter.
US4069462A (en) * 1976-12-13 1978-01-17 Data General Corporation Phase-locked loops
US4125815A (en) * 1977-10-27 1978-11-14 Rca Corporation Phase lock loop indicator
FR2408243A1 (fr) * 1977-11-04 1979-06-01 Cit Alcatel Boucle a verrouillage de phase
US4151463A (en) * 1978-02-02 1979-04-24 Bell Telephone Laboratories, Incorporated Phase locked loop indicator
US4135166A (en) * 1978-04-26 1979-01-16 Gte Sylvania Incorporated Master timing generator
JPS5930349B2 (ja) * 1979-01-23 1984-07-26 古野電気株式会社 同期はずれ検出回路

Also Published As

Publication number Publication date
ES8302385A1 (es) 1983-01-01
BR8107034A (pt) 1982-07-20
ES506676A0 (es) 1983-01-01
DE3171060D1 (en) 1985-07-25
EP0051473B1 (en) 1985-06-19
EP0051473A1 (en) 1982-05-12
MX152567A (es) 1985-08-29
JPS57106241A (en) 1982-07-02
US4365211A (en) 1982-12-21

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