GB0724559D0 - Frequency synthesis in a wireless basestation - Google Patents

Frequency synthesis in a wireless basestation

Info

Publication number
GB0724559D0
GB0724559D0 GB0724559A GB0724559A GB0724559D0 GB 0724559 D0 GB0724559 D0 GB 0724559D0 GB 0724559 A GB0724559 A GB 0724559A GB 0724559 A GB0724559 A GB 0724559A GB 0724559 D0 GB0724559 D0 GB 0724559D0
Authority
GB
United Kingdom
Prior art keywords
frequency synthesis
wireless basestation
basestation
wireless
synthesis
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.)
Withdrawn
Application number
GB0724559A
Other versions
GB2455717A (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.)
Ubiquisys Ltd
Original Assignee
Ubiquisys 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 Ubiquisys Ltd filed Critical Ubiquisys Ltd
Priority to GB0724559A priority Critical patent/GB2455717A/en
Publication of GB0724559D0 publication Critical patent/GB0724559D0/en
Publication of GB2455717A publication Critical patent/GB2455717A/en
Withdrawn legal-status Critical Current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
    • H03L7/16—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
    • H03L7/197—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 a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—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 a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • H03L7/1976—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 a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/026—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using a memory for digitally storing correction values
GB0724559A 2007-12-17 2007-12-17 Frequency synthesis in a wireless basestation Withdrawn GB2455717A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0724559A GB2455717A (en) 2007-12-17 2007-12-17 Frequency synthesis in a wireless basestation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0724559A GB2455717A (en) 2007-12-17 2007-12-17 Frequency synthesis in a wireless basestation

Publications (2)

Publication Number Publication Date
GB0724559D0 true GB0724559D0 (en) 2008-01-30
GB2455717A GB2455717A (en) 2009-06-24

Family

ID=39048210

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0724559A Withdrawn GB2455717A (en) 2007-12-17 2007-12-17 Frequency synthesis in a wireless basestation

Country Status (1)

Country Link
GB (1) GB2455717A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8803574B2 (en) * 2012-12-04 2014-08-12 Cambridge Silicon Radio Limited Generating a tuned frequency output from a signal generator
EP3687069A1 (en) * 2019-01-24 2020-07-29 Shenzhen Goodix Technology Co., Ltd. Temperature stabilized oscillator circuit for nb-iot devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03209917A (en) * 1990-01-11 1991-09-12 Japan Radio Co Ltd Pll type frequency synthesizer
US5848355A (en) * 1993-07-07 1998-12-08 Motorola, Inc. Frequency synthesizer correction using a temperature responsive divisor control
US5604468A (en) * 1996-04-22 1997-02-18 Motorola, Inc. Frequency synthesizer with temperature compensation and frequency multiplication and method of providing the same
US5856766A (en) * 1997-06-30 1999-01-05 Motorola Inc. Communication device with a frequency compensating synthesizer and method of providing same
US6542044B1 (en) * 2000-09-11 2003-04-01 Rockwell Collins, Inc. Integrated frequency source
WO2006000611A1 (en) * 2004-06-24 2006-01-05 Nokia Corporation Frequency synthesizer

Also Published As

Publication number Publication date
GB2455717A (en) 2009-06-24

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)