GB201218381D0 - Operating a frequency synthesizer - Google Patents

Operating a frequency synthesizer

Info

Publication number: GB201218381D0
Authority: GB; United Kingdom
Prior art keywords: operating; frequency synthesizer; synthesizer; frequency
Prior art date: 2011-10-20
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.): Granted

Application number

GBGB1218381.0A

Other versions

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.)

Renesas Electronics Corp

Original Assignee

Renesas Mobile 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.)

2011-10-20

Filing date

2012-10-12

Publication date

2012-11-28

2011-10-20 Priority claimed from GBGB1118128.6A external-priority patent/GB201118128D0/en

2012-10-12 Application filed by Renesas Mobile Corp filed Critical Renesas Mobile Corp

2012-10-18 Priority to PCT/IB2012/055697 priority Critical patent/WO2013057691A2/en

2012-11-28 Publication of GB201218381D0 publication Critical patent/GB201218381D0/en

2013-07-10 Publication of GB2498241A publication Critical patent/GB2498241A/en

2013-12-25 Application granted granted Critical

2013-12-25 Publication of GB2498241B publication Critical patent/GB2498241B/en

Status Expired - Fee Related legal-status Critical Current

2032-10-12 Anticipated expiration legal-status Critical

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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
- 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
- H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
- 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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
- 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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- 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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/50—All digital phase-locked loop

GB1218381.0A 2011-10-20 2012-10-12 Operating a frequency synthesizer Expired - Fee Related GB2498241B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PCT/IB2012/055697 WO2013057691A2 (en)	2011-10-20	2012-10-18	Operating a frequency synthesizer

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GBGB1118128.6A GB201118128D0 (en)	2011-10-20	2011-10-20	Operating a frequency synthesizer
US13/277,305 US8666012B2 (en)	2011-10-20	2011-10-20	Operating a frequency synthesizer

Publications (3)

Publication Number	Publication Date
GB201218381D0 true GB201218381D0 (en)	2012-11-28
GB2498241A GB2498241A (en)	2013-07-10
GB2498241B GB2498241B (en)	2013-12-25

Family

ID=47324713

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB1218381.0A Expired - Fee Related GB2498241B (en)	2011-10-20	2012-10-12	Operating a frequency synthesizer

Country Status (1)

Country	Link
GB (1)	GB2498241B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2567463B (en) *	2017-10-12	2022-08-24	Communications Audit Uk Ltd	Phase locked loop circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7187241B2 (en) *	2003-05-02	2007-03-06	Silicon Laboratories Inc.	Calibration of oscillator devices
US7180377B1 (en) *	2005-01-18	2007-02-20	Silicon Clocks Inc.	Method and apparatus for a hybrid phase lock loop frequency synthesizer
US7907021B2 (en) *	2008-09-05	2011-03-15	Issc Technologies Corp.	Two-step VCO calibration method
US7969248B1 (en) *	2009-07-30	2011-06-28	Lattice Semiconductor Corporation	Oscillator tuning for phase-locked loop circuit

2012
- 2012-10-12 GB GB1218381.0A patent/GB2498241B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB2498241A (en)	2013-07-10
GB2498241B (en)	2013-12-25

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Legal Events

Date	Code	Title	Description
2014-01-29	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)	Free format text: REGISTERED BETWEEN 20140102 AND 20140108
2014-02-05	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)	Free format text: REGISTERED BETWEEN 20140109 AND 20140115
2017-06-28	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20161012