AU2001278331A1 - Frequency synthesizer - Google Patents

Frequency synthesizer

Info

Publication number
AU2001278331A1
AU2001278331A1 AU2001278331A AU7833101A AU2001278331A1 AU 2001278331 A1 AU2001278331 A1 AU 2001278331A1 AU 2001278331 A AU2001278331 A AU 2001278331A AU 7833101 A AU7833101 A AU 7833101A AU 2001278331 A1 AU2001278331 A1 AU 2001278331A1
Authority
AU
Australia
Prior art keywords
accumulator
phase
frequency
multiplexer output
signal
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.)
Abandoned
Application number
AU2001278331A
Other languages
English (en)
Inventor
Thomas A.D. Riley
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.)
Conexant Systems LLC
Original Assignee
Conexant Systems LLC
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 Conexant Systems LLC filed Critical Conexant Systems LLC
Publication of AU2001278331A1 publication Critical patent/AU2001278331A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • H03B21/025Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency by repeated mixing in combination with division of frequency only

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
AU2001278331A 2000-07-31 2001-07-30 Frequency synthesizer Abandoned AU2001278331A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/629,484 US6822488B1 (en) 2000-07-31 2000-07-31 Frequency synthesizer
US09629484 2000-07-31
PCT/CA2001/001093 WO2002011278A1 (en) 2000-07-31 2001-07-30 Frequency synthesizer

Publications (1)

Publication Number Publication Date
AU2001278331A1 true AU2001278331A1 (en) 2002-02-13

Family

ID=24523172

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001278331A Abandoned AU2001278331A1 (en) 2000-07-31 2001-07-30 Frequency synthesizer

Country Status (8)

Country Link
US (1) US6822488B1 (ko)
EP (1) EP1307960B1 (ko)
KR (1) KR100795173B1 (ko)
CN (1) CN1262065C (ko)
AT (1) ATE363765T1 (ko)
AU (1) AU2001278331A1 (ko)
DE (1) DE60128696T2 (ko)
WO (1) WO2002011278A1 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7180352B2 (en) * 2001-06-28 2007-02-20 Intel Corporation Clock recovery using clock phase interpolator
US7084678B2 (en) * 2001-07-06 2006-08-01 Telefonaktiebolaget Lm Ericsson (Publ) Fractional frequency divider
US20030043950A1 (en) * 2001-09-04 2003-03-06 Hansen Eric J. Phase-locked loop frequency synthesizer with two-point modulation
US6970029B2 (en) * 2003-12-30 2005-11-29 Intel Corporation Variable-delay signal generators and methods of operation therefor
KR100644060B1 (ko) * 2005-03-03 2006-11-10 엘지전자 주식회사 직접형 주파수 합성기용 지터 감쇄기
CN101471662B (zh) * 2007-12-26 2012-06-06 张海英 用于OFDM UWB的6至8.2GHz五频带频率综合器
CN101834583A (zh) * 2010-04-20 2010-09-15 上海市计量测试技术研究院 一种频率信号的发生方法
US8922260B2 (en) * 2013-05-02 2014-12-30 Mstar Semiconductor, Inc. Method and apparatus for a programmable frequency divider
WO2015079098A1 (en) * 2013-11-28 2015-06-04 Nokia Technologies Oy Method and apparatus for generating oscillator signals
WO2021092704A1 (en) * 2019-11-13 2021-05-20 National Research Council Of Canada Stable scalable digital frequency reference

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3832152A1 (de) 1988-09-22 1990-03-29 Philips Patentverwaltung Digitaler frequenzgenerator
EP0658838B1 (fr) * 1993-12-15 2000-04-12 Trt Lucent Technologies Dispositif de synthèse de fréquences
US5537069A (en) * 1995-03-30 1996-07-16 Intel Corporation Apparatus and method for selecting a tap range in a digital delay line
US5889436A (en) 1996-11-01 1999-03-30 National Semiconductor Corporation Phase locked loop fractional pulse swallowing frequency synthesizer
US5977805A (en) * 1998-01-21 1999-11-02 Atmel Corporation Frequency synthesis circuit tuned by digital words
KR100331562B1 (ko) * 1999-11-29 2002-04-06 윤종용 지연 동기 루프 회로 및 내부 클럭 신호 발생 방법

Also Published As

Publication number Publication date
ATE363765T1 (de) 2007-06-15
EP1307960B1 (en) 2007-05-30
DE60128696D1 (de) 2007-07-12
DE60128696T2 (de) 2007-10-11
CN1455983A (zh) 2003-11-12
US6822488B1 (en) 2004-11-23
KR20030048002A (ko) 2003-06-18
CN1262065C (zh) 2006-06-28
KR100795173B1 (ko) 2008-01-16
EP1307960A1 (en) 2003-05-07
WO2002011278A1 (en) 2002-02-07

Similar Documents

Publication Publication Date Title
TW200709573A (en) A semiconductor device, spread spectrum clock generator and method thereof
TW200419910A (en) Method and device for generating a clock signal having predetermined clock signal properties
WO2010024942A3 (en) Direct digital synthesizer for reference frequency generation
EP2221970A3 (en) Clock control circuit and clock control method
WO2008073744A3 (en) Circuit and method for generating an non-integer fraction output frequency of an input signal
TW200630773A (en) Spread spectrum clock generating apparatus
WO2010033436A3 (en) Techniques for generating fractional clock signals
MY126186A (en) Digital frequency multiplier
WO2005104385A3 (en) High agility frequency synthesizer phase-locked loop
AU2001278331A1 (en) Frequency synthesizer
WO2005050842A3 (en) Apparatus and method for generating a delayed clock signal
TW200614678A (en) Method and apparatus for switching frequency of a system clock
WO2010039638A3 (en) Frequency generation techniques
EP1067690A3 (en) A variable phase shifting clock generator
EP1333578A3 (en) Interleaved clock signal generator having serial delay and ring counter architecture
TWI268410B (en) Circuit and method for generating a clock signal
EP3114541B1 (en) Flexible chirp generator
WO2006065478A3 (en) Method and apparatus for generating a phase-locked output signal
WO2006082516A3 (en) A fractional and integer pure digital programmable clock generator
WO2002030024A1 (fr) Dispositif et procede de selection de voies
KR20070063260A (ko) 클럭 발생 장치 및 방법
TW200514359A (en) Method and related apparatus for non-integer frequency division
TW200644432A (en) Rational number frequency multiplier circuit and method for generated rational number frequency
JP5219873B2 (ja) 周波数シンセサイザ
JP2545010B2 (ja) ゲ―ト装置