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DE3370430D1 - Method and circuit for the frequency and phase locking of a local oscillator in television - Google Patents

Method and circuit for the frequency and phase locking of a local oscillator in television

Info

Publication number
DE3370430D1
DE3370430D1 DE8383402485T DE3370430T DE3370430D1 DE 3370430 D1 DE3370430 D1 DE 3370430D1 DE 8383402485 T DE8383402485 T DE 8383402485T DE 3370430 T DE3370430 T DE 3370430T DE 3370430 D1 DE3370430 D1 DE 3370430D1
Authority
DE
Germany
Prior art keywords
television
frequency
circuit
local oscillator
phase locking
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
Application number
DE8383402485T
Other languages
English (en)
Inventor
Patrick Douziech
Michel Imbert
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE3370430D1 publication Critical patent/DE3370430D1/de
Expired 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/455—Generation of colour burst signals; Insertion of colour burst signals in colour picture signals or separation of colour burst signals from colour picture signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Processing Of Color Television Signals (AREA)
DE8383402485T 1982-12-23 1983-12-20 Method and circuit for the frequency and phase locking of a local oscillator in television Expired DE3370430D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8221624A FR2538656B1 (fr) 1982-12-23 1982-12-23 Procede et circuit d'asservissement en frequence et en phase d'un oscillateur local en television

Publications (1)

Publication Number Publication Date
DE3370430D1 true DE3370430D1 (en) 1987-04-23

Family

ID=9280434

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383402485T Expired DE3370430D1 (en) 1982-12-23 1983-12-20 Method and circuit for the frequency and phase locking of a local oscillator in television

Country Status (5)

Country Link
US (1) US4561014A (de)
EP (1) EP0115234B1 (de)
JP (1) JPS59122196A (de)
DE (1) DE3370430D1 (de)
FR (1) FR2538656B1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8402286A (nl) * 1984-07-19 1986-02-17 Philips Nv Kleurentelevisieontvanger bevattende een chrominantiesignaalverwerkingsschakeling en een geintegreerde schakeling daarvoor.
DE3471567D1 (en) * 1984-11-02 1988-06-30 Itt Ind Gmbh Deutsche Colour television receiver comprising at least one integrated circuit for processing the composite digital colour signal
US4593254A (en) * 1984-12-14 1986-06-03 International Business Machines Corp. VCO centering circuit
DE3544675A1 (de) * 1985-12-18 1987-06-25 Philips Patentverwaltung Schaltungsanordnung zur steuerung eines frequenzabhaengigen oszillators
US4769691A (en) * 1987-03-02 1988-09-06 Rca Licensing Corporation Burst locked oscillator with side-lock protection
US4766483A (en) * 1987-06-02 1988-08-23 Zenith Electronics Corporation Automatic color tuning system with variable gain APC circuit
FR2657209B1 (fr) * 1990-01-16 1992-04-10 Europ Rech Electr Lab Procede et dispositif de limitation de courant d'un tube cathodique.
JP2953854B2 (ja) * 1992-01-27 1999-09-27 日本電気株式会社 Ｆｍ復調回路
US5329560A (en) * 1992-05-19 1994-07-12 Sgs-Thomson Microelectronics, Inc. AGC circuit with non-linear gain for use in PLL circuit
DE69400916T2 (de) * 1994-07-01 1997-04-03 Cons Ric Microelettronica Phasenregelkreisschaltung mit Fuzzy-Steuerung
JPH09182100A (ja) * 1995-12-21 1997-07-11 Fujitsu Ltd Ｐｌｌ回路
DE69801827T2 (de) * 1998-11-14 2002-03-28 Agilent Technologies, Inc. (N.D.Ges.D.Staates Delaware) Taktgenerator
US6816021B2 (en) * 2002-08-27 2004-11-09 Koninklijke Philips Electronics N.V. Multiple band local oscillator frequency generation circuit
US7567642B2 (en) * 2003-12-23 2009-07-28 Analog Devices, Inc. Phase detector with extended linear operating range
US7583948B2 (en) * 2005-04-28 2009-09-01 Kabushiki Kaisha Toshiba Time constant automatic adjusting circuit, filter circuit system, and method of automatically adjusting time constant
US7248122B2 (en) * 2005-09-14 2007-07-24 Fairchild Semiconductor Corporation Method and apparatus for generating a serial clock without a PLL

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528026A (en) * 1968-05-01 1970-09-08 Hughes Aircraft Co Coarse-fine phase locked loop
JPS5249074B2 (de) * 1973-05-11 1977-12-14
JPS5829897B2 (ja) * 1977-10-07 1983-06-25 日本電気株式会社 自動周波数制御回路
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
JPS57174939A (en) * 1981-04-21 1982-10-27 Fujitsu Ltd Phase locked loop circuit
CA1153795A (en) * 1982-06-15 1983-09-13 Gordon C. K. Tsang Digital phase/frequency locked loop

Also Published As

Publication number Publication date
US4561014A (en) 1985-12-24
EP0115234B1 (de) 1987-03-18
EP0115234A1 (de) 1984-08-08
FR2538656A1 (fr) 1984-06-29
JPS59122196A (ja) 1984-07-14
JPH0561835B2 (de) 1993-09-07
FR2538656B1 (fr) 1985-06-07

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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