DE3587141D1 - Zentrierschaltung eines spannungsgesteuerten oszillators. - Google Patents

Zentrierschaltung eines spannungsgesteuerten oszillators.

Info

Publication number
DE3587141D1
DE3587141D1 DE8585114817T DE3587141T DE3587141D1 DE 3587141 D1 DE3587141 D1 DE 3587141D1 DE 8585114817 T DE8585114817 T DE 8585114817T DE 3587141 T DE3587141 T DE 3587141T DE 3587141 D1 DE3587141 D1 DE 3587141D1
Authority
DE
Germany
Prior art keywords
controlled oscillator
voltage controlled
center switching
switching
center
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
DE8585114817T
Other languages
English (en)
Other versions
DE3587141T2 (de
Inventor
Ronald Leon Coburn
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE3587141D1 publication Critical patent/DE3587141D1/de
Application granted granted Critical
Publication of DE3587141T2 publication Critical patent/DE3587141T2/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
    • H03L7/08—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
DE8585114817T 1984-12-14 1985-11-22 Zentrierschaltung eines spannungsgesteuerten oszillators. Expired - Fee Related DE3587141T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/681,767 US4593254A (en) 1984-12-14 1984-12-14 VCO centering circuit

Publications (2)

Publication Number Publication Date
DE3587141D1 true DE3587141D1 (de) 1993-04-08
DE3587141T2 DE3587141T2 (de) 1993-09-23

Family

ID=24736710

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585114817T Expired - Fee Related DE3587141T2 (de) 1984-12-14 1985-11-22 Zentrierschaltung eines spannungsgesteuerten oszillators.

Country Status (5)

Country Link
US (1) US4593254A (de)
EP (1) EP0184700B1 (de)
JP (1) JPS61144125A (de)
CA (1) CA1236534A (de)
DE (1) DE3587141T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829545A (en) * 1986-08-25 1989-05-09 Guzik Technical Enterprises, Inc. Method and apparatus for data window centering ina multifrequency data separator
US4712076A (en) * 1986-10-27 1987-12-08 Magnetic Peripherals Inc. Circuit for phase locking a clock signal to a series of pulses
US4787097A (en) * 1987-02-11 1988-11-22 International Business Machines Corporation NRZ phase-locked loop circuit with associated monitor and recovery circuitry
US5359727A (en) * 1987-04-27 1994-10-25 Hitachi, Ltd. Clock generator using PLL and information processing system using the clock generator
US4804928A (en) * 1987-05-12 1989-02-14 Texas Instruments Incorporated Phase-frequency compare circuit for phase lock loop
US4876518A (en) * 1988-12-02 1989-10-24 Motorola Inc. Frequency tracking system
JPH0736515B2 (ja) * 1989-09-14 1995-04-19 株式会社東芝 位相比較器
KR910019345A (ko) * 1990-04-06 1991-11-30 정용문 디스플레이장치의 자기주파수 자동동기 제어회로
US5119043A (en) * 1990-06-27 1992-06-02 Digital Equipment Corporation Auto-centered phase-locked loop
DE4031939A1 (de) * 1990-10-09 1992-05-07 Rohde & Schwarz Verfahren zum voreinstellen eines phasengeregelten oszillators auf einen vorgegebenen frequenzwert
JP2854777B2 (ja) * 1992-04-27 1999-02-03 株式会社東芝 位相同期ループ回路と信号抽出方法
DE4228834A1 (de) * 1992-08-29 1994-03-03 Thomson Brandt Gmbh Verfahren und Vorrichtung zum Abgleich einer PLL Stufe
US5982239A (en) * 1995-08-14 1999-11-09 Hitachi, Ltd. Phase locked loop circuit and a picture reproducing device
US5764712A (en) * 1996-04-18 1998-06-09 International Business Machines Corporation Phase locked loop circuit having automatic range setting logic
JPH1084278A (ja) * 1996-09-10 1998-03-31 Nec Corp Ｐｌｌ回路
JP3094977B2 (ja) * 1997-11-28 2000-10-03 日本電気株式会社 Ｐｌｌ回路
US6310521B1 (en) * 1999-12-23 2001-10-30 Cypress Semiconductor Corp. Reference-free clock generation and data recovery PLL
US6366135B1 (en) 1999-12-23 2002-04-02 Cypress Semiconductor Corp. Data frequency detector
US6683930B1 (en) 1999-12-23 2004-01-27 Cypress Semiconductor Corp. Digital phase/frequency detector, and clock generator and data recovery PLL containing the same
US20060002501A1 (en) * 2004-06-30 2006-01-05 Nokia Corporation Ultra-fast hopping frequency synthesizer for multi-band transmission standards
US7920665B1 (en) 2005-09-28 2011-04-05 Cypress Semiconductor Corporation Symmetrical range controller circuit and method
US7728675B1 (en) 2006-03-31 2010-06-01 Cypress Semiconductor Corporation Fast lock circuit for a phase lock loop
US7683685B2 (en) * 2008-02-05 2010-03-23 Sony Corporation System and method for implementing a digital phase-locked loop

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965438A (en) * 1974-10-29 1976-06-22 Tektronix, Inc. Frequency locking system for a voltage controlled sweep frequency oscillator
US4069462A (en) * 1976-12-13 1978-01-17 Data General Corporation Phase-locked loops
JPS5469018A (en) * 1977-11-11 1979-06-02 Sony Corp Color demodulator circuit
US4151485A (en) * 1977-11-21 1979-04-24 Rockwell International Corporation Digital clock recovery circuit
JPS56137736A (en) * 1980-03-31 1981-10-27 Anritsu Corp Phase-synchronizing circuit
US4365211A (en) * 1980-10-31 1982-12-21 Westinghouse Electric Corp. Phase-locked loop with initialization loop
JPS57141437A (en) * 1981-02-25 1982-09-01 Sakai Chem Ind Co Ltd Chlorine-containing resin composition
JPS57190491A (en) * 1981-05-18 1982-11-24 Sony Corp Variable oscillating circuit
US4456890A (en) * 1982-04-05 1984-06-26 Computer Peripherals Inc. Data tracking clock recovery system using digitally controlled oscillator
FR2538656B1 (fr) * 1982-12-23 1985-06-07 Thomson Csf Procede et circuit d'asservissement en frequence et en phase d'un oscillateur local en television

Also Published As

Publication number Publication date
CA1236534A (en) 1988-05-10
EP0184700A3 (en) 1988-06-01
US4593254A (en) 1986-06-03
EP0184700B1 (de) 1993-03-03
JPS61144125A (ja) 1986-07-01
EP0184700A2 (de) 1986-06-18
DE3587141T2 (de) 1993-09-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee