GB2361368B - Frequency synthesiser - Google Patents

Frequency synthesiser

Info

Publication number
GB2361368B
GB2361368B GB0001925A GB0001925A GB2361368B GB 2361368 B GB2361368 B GB 2361368B GB 0001925 A GB0001925 A GB 0001925A GB 0001925 A GB0001925 A GB 0001925A GB 2361368 B GB2361368 B GB 2361368B
Authority
GB
United Kingdom
Prior art keywords
frequency synthesiser
synthesiser
frequency
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
GB0001925A
Other versions
GB2361368A (en
GB0001925D0 (en
Inventor
Gary Smith
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.)
NEC Technologies UK Ltd
Original Assignee
NEC Technologies UK 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 NEC Technologies UK Ltd filed Critical NEC Technologies UK Ltd
Priority to GB0001925A priority Critical patent/GB2361368B/en
Publication of GB0001925D0 publication Critical patent/GB0001925D0/en
Publication of GB2361368A publication Critical patent/GB2361368A/en
Application granted granted Critical
Publication of GB2361368B publication Critical patent/GB2361368B/en
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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
    • H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
    • 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
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
GB0001925A 2000-01-27 2000-01-27 Frequency synthesiser Expired - Fee Related GB2361368B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0001925A GB2361368B (en) 2000-01-27 2000-01-27 Frequency synthesiser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0001925A GB2361368B (en) 2000-01-27 2000-01-27 Frequency synthesiser

Publications (3)

Publication Number Publication Date
GB0001925D0 GB0001925D0 (en) 2000-03-22
GB2361368A GB2361368A (en) 2001-10-17
GB2361368B true GB2361368B (en) 2003-09-10

Family

ID=9884484

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0001925A Expired - Fee Related GB2361368B (en) 2000-01-27 2000-01-27 Frequency synthesiser

Country Status (1)

Country Link
GB (1) GB2361368B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2338127A (en) * 1998-06-05 1999-12-08 Siemens Ag Phase locked loop for high frequency signals

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2338127A (en) * 1998-06-05 1999-12-08 Siemens Ag Phase locked loop for high frequency signals

Also Published As

Publication number Publication date
GB2361368A (en) 2001-10-17
GB0001925D0 (en) 2000-03-22

Similar Documents

Publication Publication Date Title
DE60110686D1 (en) frequency synthesizer
GB2387961B (en) Frequency locker
EP1266474A4 (en) Integrated radio frequency interface
DE60104761D1 (en) frequency synthesizer
GB9918732D0 (en) Fractional - N frequency synthesiser
DE50000757D1 (en) FREQUENCY SYNTHESIZER
AU4469301A (en) Radio
GB0003740D0 (en) Frequency synthesiser
EP1278223A4 (en) High frequency relay
AU9599601A (en) Vibrating compressor
GB0110193D0 (en) Radio frequency interface
GB0028682D0 (en) Radio frequency source
EP1363390A4 (en) Oscillator
GB2368735B (en) Oscillator
GB2373936B (en) Frequency synthesizer
GB2361368B (en) Frequency synthesiser
GB0021800D0 (en) Fractional-n Frequency Synthesiser
GB2376140B (en) Microwave oscillator
DE50002277D1 (en) FREQUENCY SYNTHESIZER
GB2377126B (en) Frequency difference reduction
HK1024349A1 (en) Frequency synthesiser.
GB9922340D0 (en) Frequency synthesiser
GB0114423D0 (en) Frequency synthesizer
GB0129998D0 (en) Low noise synthesiser
TW475441U (en) Oscillator

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080127