GB2215539B - Digital phase locked loop - Google Patents

Digital phase locked loop

Info

Publication number
GB2215539B
GB2215539B GB8804974A GB8804974A GB2215539B GB 2215539 B GB2215539 B GB 2215539B GB 8804974 A GB8804974 A GB 8804974A GB 8804974 A GB8804974 A GB 8804974A GB 2215539 B GB2215539 B GB 2215539B
Authority
GB
United Kingdom
Prior art keywords
locked loop
phase locked
digital phase
digital
loop
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 - Lifetime
Application number
GB8804974A
Other versions
GB8804974D0 (en
GB2215539A (en
Inventor
Bhajan Singh
Vincent Considine
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8804974A priority Critical patent/GB2215539B/en
Publication of GB8804974D0 publication Critical patent/GB8804974D0/en
Publication of GB2215539A publication Critical patent/GB2215539A/en
Priority to US07/729,315 priority patent/US5193103A/en
Application granted granted Critical
Publication of GB2215539B publication Critical patent/GB2215539B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
GB8804974A 1988-03-02 1988-03-02 Digital phase locked loop Expired - Lifetime GB2215539B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8804974A GB2215539B (en) 1988-03-02 1988-03-02 Digital phase locked loop
US07/729,315 US5193103A (en) 1988-03-02 1991-07-15 Digital phase locked loop circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8804974A GB2215539B (en) 1988-03-02 1988-03-02 Digital phase locked loop

Publications (3)

Publication Number Publication Date
GB8804974D0 GB8804974D0 (en) 1988-03-30
GB2215539A GB2215539A (en) 1989-09-20
GB2215539B true GB2215539B (en) 1992-04-29

Family

ID=10632712

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8804974A Expired - Lifetime GB2215539B (en) 1988-03-02 1988-03-02 Digital phase locked loop

Country Status (1)

Country Link
GB (1) GB2215539B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0770994B2 (en) * 1989-01-12 1995-07-31 松下電器産業株式会社 Phase synchronization circuit
US5390207A (en) * 1990-11-28 1995-02-14 Novatel Communications Ltd. Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators
US5101416A (en) * 1990-11-28 1992-03-31 Novatel Comunications Ltd. Multi-channel digital receiver for global positioning system
US5402450A (en) * 1992-01-22 1995-03-28 Trimble Navigation Signal timing synchronizer
US5414729A (en) * 1992-01-24 1995-05-09 Novatel Communications Ltd. Pseudorandom noise ranging receiver which compensates for multipath distortion by making use of multiple correlator time delay spacing
DE4205300C2 (en) * 1992-02-18 1995-10-26 Licentia Gmbh Method for digitally determining the phase position and the amplitude of a periodic signal
JPH07193564A (en) * 1993-12-25 1995-07-28 Nec Corp Device and method for reproducing clock
GB2288086A (en) * 1994-03-28 1995-10-04 Hewlett Packard Co Digital phase-locked loop using a numerically-controlled oscillator

Also Published As

Publication number Publication date
GB8804974D0 (en) 1988-03-30
GB2215539A (en) 1989-09-20

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20080301