GB2073515B - Frequency locked loop - Google Patents

Frequency locked loop

Info

Publication number
GB2073515B
GB2073515B GB8109161A GB8109161A GB2073515B GB 2073515 B GB2073515 B GB 2073515B GB 8109161 A GB8109161 A GB 8109161A GB 8109161 A GB8109161 A GB 8109161A GB 2073515 B GB2073515 B GB 2073515B
Authority
GB
United Kingdom
Prior art keywords
locked loop
frequency locked
frequency
loop
locked
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
GB8109161A
Other versions
GB2073515A (en
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 Standard Electric Corp
Original Assignee
International Standard 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB2073515A publication Critical patent/GB2073515A/en
Application granted granted Critical
Publication of GB2073515B publication Critical patent/GB2073515B/en
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
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
GB8109161A 1980-04-04 1981-03-24 Frequency locked loop Expired GB2073515B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8007674A FR2480048A1 (en) 1980-04-04 1980-04-04 FREQUENCY LOCKING ANALOG LOOP

Publications (2)

Publication Number Publication Date
GB2073515A GB2073515A (en) 1981-10-14
GB2073515B true GB2073515B (en) 1984-01-25

Family

ID=9240558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8109161A Expired GB2073515B (en) 1980-04-04 1981-03-24 Frequency locked loop

Country Status (3)

Country Link
BE (1) BE888265A (en)
FR (1) FR2480048A1 (en)
GB (1) GB2073515B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518998A (en) * 1982-06-03 1985-05-21 Klimsch/Optronics, Inc. Method and apparatus for producing a time advanced output pulse train from an input pulse train
BE904101A (en) * 1986-01-24 1986-07-24 Bell Telephone Mfg Cy IMAGE PROCESSING SYSTEM AND PHASE LOCKING LOOP APPLIED THEREIN.
GB8610888D0 (en) * 1986-05-03 1986-06-11 Int Computers Ltd Variable delay circuit
NL8601870A (en) * 1986-07-17 1988-02-16 Philips Nv PHASE CONTROLLUS.
US4813005A (en) * 1987-06-24 1989-03-14 Hewlett-Packard Company Device for synchronizing the output pulses of a circuit with an input clock
EP0512621B1 (en) * 1991-05-08 1997-08-13 Koninklijke Philips Electronics N.V. Digital phase locked loop, and digital oscillator arranged to be used in the digital phase locked loop
EP0610052B1 (en) * 1993-02-05 2003-01-02 Sun Microsystems, Inc. Method and apparatus for timing control
US5394116A (en) * 1993-12-29 1995-02-28 At&T Corp. Fractional phase shift ring oscillator arrangement
JP2710214B2 (en) * 1994-08-12 1998-02-10 日本電気株式会社 Phase locked loop circuit
WO1997005740A1 (en) * 1995-07-28 1997-02-13 Litton Systems Canada Limited Method and apparatus for digitizing video signals especially for flat panel lcd displays
KR100207656B1 (en) * 1996-02-08 1999-07-15 윤종용 Compensation of digital phase locked loop
JP4206558B2 (en) * 1999-04-26 2009-01-14 横河電機株式会社 Phase fluctuation generating circuit and phase fluctuation generating method
US6515526B2 (en) 1999-04-26 2003-02-04 Ando Electric Co., Ltd. Phase fluctuation generation
CN115498999B (en) * 2022-09-16 2023-08-29 武汉市聚芯微电子有限责任公司 Phase tracking loop and method based on frequency division and clock acceleration and electronic equipment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2405771A (en) * 1942-07-11 1946-08-13 Hartford Nat Bank & Trust Co Method of synchronizing a plurality of oscillations
US3199037A (en) * 1962-09-25 1965-08-03 Thompson Ramo Wooldridge Inc Phase-locked loops
US3509471A (en) * 1966-11-16 1970-04-28 Communications Satellite Corp Digital phase lock loop for bit timing recovery
US3546701A (en) * 1967-12-27 1970-12-08 Bell Telephone Labor Inc Phase locked loop bilateral transmission system including auxiliary automatic phase control
GB1425572A (en) * 1972-03-14 1976-02-18 Post Office Digital signal regenerators
FR2281001A1 (en) * 1974-07-30 1976-02-27 Snecma PHASE OR FREQUENCY CONTROL DEVICE
US4009450A (en) * 1975-04-14 1977-02-22 Motorola, Inc. Phase locked loop tracking filter having enhanced attenuation of unwanted signals

Also Published As

Publication number Publication date
BE888265A (en) 1981-10-05
GB2073515A (en) 1981-10-14
FR2480048A1 (en) 1981-10-09

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee