GB2337649B - Voltage-controlled oscillator - Google Patents

Voltage-controlled oscillator

Info

Publication number
GB2337649B
GB2337649B GB9811108A GB9811108A GB2337649B GB 2337649 B GB2337649 B GB 2337649B GB 9811108 A GB9811108 A GB 9811108A GB 9811108 A GB9811108 A GB 9811108A GB 2337649 B GB2337649 B GB 2337649B
Authority
GB
United Kingdom
Prior art keywords
voltage
controlled oscillator
oscillator
controlled
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
GB9811108A
Other versions
GB9811108D0 (en
GB2337649A (en
Inventor
Neil Andrew Mcdonald
Melvin Paul Clarkson
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.)
GPT Ltd
Plessey Telecommunications Ltd
Original Assignee
GPT Ltd
Plessey Telecommunications 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 GPT Ltd, Plessey Telecommunications Ltd filed Critical GPT Ltd
Priority to GB9811108A priority Critical patent/GB2337649B/en
Publication of GB9811108D0 publication Critical patent/GB9811108D0/en
Priority to PCT/GB1999/001393 priority patent/WO1999062172A1/en
Priority to AU37225/99A priority patent/AU3722599A/en
Publication of GB2337649A publication Critical patent/GB2337649A/en
Application granted granted Critical
Publication of GB2337649B publication Critical patent/GB2337649B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231—Astable circuits
    • 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
GB9811108A 1998-05-23 1998-05-23 Voltage-controlled oscillator Expired - Fee Related GB2337649B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9811108A GB2337649B (en) 1998-05-23 1998-05-23 Voltage-controlled oscillator
PCT/GB1999/001393 WO1999062172A1 (en) 1998-05-23 1999-05-05 Phase-locked loops
AU37225/99A AU3722599A (en) 1998-05-23 1999-05-05 Phase-locked loops

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9811108A GB2337649B (en) 1998-05-23 1998-05-23 Voltage-controlled oscillator

Publications (3)

Publication Number Publication Date
GB9811108D0 GB9811108D0 (en) 1998-07-22
GB2337649A GB2337649A (en) 1999-11-24
GB2337649B true GB2337649B (en) 2000-06-07

Family

ID=10832591

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9811108A Expired - Fee Related GB2337649B (en) 1998-05-23 1998-05-23 Voltage-controlled oscillator

Country Status (3)

Country Link
AU (1) AU3722599A (en)
GB (1) GB2337649B (en)
WO (1) WO1999062172A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1726947A1 (en) * 2005-04-20 2006-11-29 Sika Technology AG device and method for ultrasonically determining the dynamic elastic modulus of a material

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427443A (en) * 1972-12-29 1976-03-10 Commissariat Energie Atomique Method for converting into a frequency an electrical signal
US4380746A (en) * 1981-03-03 1983-04-19 Westinghouse Electric Corp. Pulse modulator using capacitor charging and discharging circuits

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2209770C3 (en) * 1972-03-01 1980-07-24 Philips Patentverwaltung Gmbh, 2000 Hamburg Circuit arrangement for converting the resistance value of a resistance transmitter, which is exponentially linked to a measured variable, into a frequency of an electrical oscillation that is proportional to the measured variable
US4723114A (en) * 1986-07-07 1988-02-02 Texas Instruments Incorporated Method and circuit for trimming the frequency of an oscillator
FI89432C (en) * 1991-06-26 1993-09-27 Nokia Mobile Phones Ltd GENERING AV EN KLOCKFREKVENS I ETT SMART CARD GRAENSSNITT
US5644270A (en) * 1996-03-15 1997-07-01 Ics Technologies, Inc. Enchanced stability voltage controlled RC oscillator
US5770979A (en) * 1996-05-21 1998-06-23 Cherry Semiconductor Corporation Programmable oscillator using one capacitor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427443A (en) * 1972-12-29 1976-03-10 Commissariat Energie Atomique Method for converting into a frequency an electrical signal
US4380746A (en) * 1981-03-03 1983-04-19 Westinghouse Electric Corp. Pulse modulator using capacitor charging and discharging circuits

Also Published As

Publication number Publication date
WO1999062172A1 (en) 1999-12-02
GB9811108D0 (en) 1998-07-22
AU3722599A (en) 1999-12-13
GB2337649A (en) 1999-11-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060523