HK1064831A1 - Fractional-n frequency synthesizer with fractionalcompensation method - Google Patents

Fractional-n frequency synthesizer with fractionalcompensation method

Info

Publication number
HK1064831A1
HK1064831A1 HK04107454A HK04107454A HK1064831A1 HK 1064831 A1 HK1064831 A1 HK 1064831A1 HK 04107454 A HK04107454 A HK 04107454A HK 04107454 A HK04107454 A HK 04107454A HK 1064831 A1 HK1064831 A1 HK 1064831A1
Authority
HK
Hong Kong
Prior art keywords
fractional
pll
phase
frequency synthesizer
synthesizer
Prior art date
Application number
HK04107454A
Other languages
English (en)
Inventor
Hyungki Huh
Eunseok Song
Kang Yoon Lee
Yido Koo
Jeonwoo Lee
Joonbae Park
Kyeongho Lee
Original Assignee
Gct Semiconductor Inc
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
Priority claimed from US09/940,807 external-priority patent/US6553089B2/en
Priority claimed from US09/940,808 external-priority patent/US6704383B2/en
Application filed by Gct Semiconductor Inc filed Critical Gct Semiconductor Inc
Publication of HK1064831A1 publication Critical patent/HK1064831A1/xx

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
    • 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
    • H03L7/08—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
    • H03L7/085—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
    • H03L7/0895—Details of the current generators
    • H03L7/0898—Details of the current generators the source or sink current values being variable
    • 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
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Transmitters (AREA)
HK04107454A 2001-03-20 2004-09-27 Fractional-n frequency synthesizer with fractionalcompensation method HK1064831A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US27691201P 2001-03-20 2001-03-20
US27692701P 2001-03-20 2001-03-20
US09/940,807 US6553089B2 (en) 2001-03-20 2001-08-29 Fractional-N frequency synthesizer with fractional compensation method
US09/940,808 US6704383B2 (en) 2001-03-20 2001-08-29 Sample and hold type fractional-N frequency synthesizer
PCT/US2002/008297 WO2002076009A1 (en) 2001-03-20 2002-03-20 Fractional-n frequency synthesizer with fractional compensation method

Publications (1)

Publication Number Publication Date
HK1064831A1 true HK1064831A1 (en) 2005-02-04

Family

ID=27501176

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04107454A HK1064831A1 (en) 2001-03-20 2004-09-27 Fractional-n frequency synthesizer with fractionalcompensation method

Country Status (9)

Country Link
EP (1) EP1371167B1 (zh)
JP (1) JP4216075B2 (zh)
KR (1) KR100880422B1 (zh)
CN (1) CN100341269C (zh)
AT (1) ATE388541T1 (zh)
CA (1) CA2442721A1 (zh)
DE (1) DE60225426T2 (zh)
HK (1) HK1064831A1 (zh)
WO (1) WO2002076009A1 (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7747237B2 (en) 2004-04-09 2010-06-29 Skyworks Solutions, Inc. High agility frequency synthesizer phase-locked loop
US20060267644A1 (en) * 2005-05-24 2006-11-30 Edward Youssoufian Method and apparatus for loop filter size reduction
KR100830898B1 (ko) * 2006-09-15 2008-05-22 한국과학기술원 전압 제어 발진기의 출력 클럭으로 동작하는 스위치드커패시터 네트워크를 이용한 위상 고정 루프 및 제어방법
KR101030950B1 (ko) * 2008-02-29 2011-04-28 주식회사 코아로직 듀얼 모드 위성 신호 수신 장치 및 위성 신호 수신 방법
GB0804341D0 (en) 2008-03-07 2008-04-16 Cambridge Silicon Radio Ltd Charge pump for a phase-locked loop
GB0804340D0 (en) 2008-03-07 2008-04-16 Cambridge Silicon Radio Ltd Charge pump for a phase-locked loop
GB0804342D0 (en) 2008-03-07 2008-04-16 Cambridge Silicon Radio Ltd Charge transfer in a phase-locked loop
GB0804339D0 (en) 2008-03-07 2008-04-16 Cambridge Silicon Radio Ltd Phase-locked loop
JP5229081B2 (ja) 2009-04-10 2013-07-03 富士通株式会社 半導体装置
EP2369745B1 (en) * 2010-03-25 2015-04-15 Silicon Laboratories Inc. Method and apparatus for quantization noise reduction in fractional-N PLLS
US9019016B2 (en) 2011-05-18 2015-04-28 Asahi Kasei Microdevices Corporation Accumulator-type fractional N-PLL synthesizer and control method thereof
WO2014006654A1 (ja) * 2012-07-04 2014-01-09 ルネサスエレクトロニクス株式会社 半導体装置
US9106211B2 (en) * 2013-03-13 2015-08-11 Infineon Technologies Austria Ag System and method for an oversampled data converter
WO2016061781A1 (en) * 2014-10-23 2016-04-28 Lattice Semiconductor Corporation Phase locked loop with sub-harmonic locking prevention functionality
US10855294B2 (en) * 2016-11-08 2020-12-01 Texas Instruments Incorporated High linearity phase interpolator
CN108736894B (zh) * 2017-04-18 2021-08-06 博通集成电路（上海）股份有限公司 分数n频率合成器及其方法
DE102017117900A1 (de) * 2017-08-07 2019-02-07 Endress+Hauser SE+Co. KG Hochfrequenz-Signalerzeugungseinheit
CN108566201A (zh) * 2018-07-24 2018-09-21 成都意科科技有限责任公司 一种高频率分辨率脉冲数字发生系统
CN117559993A (zh) * 2023-11-22 2024-02-13 中国科学技术大学 一种电荷舵鉴数字相器及其电荷舵采样全数字锁相环

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4868513A (en) * 1987-09-11 1989-09-19 Amdahl Corporation Phase-locked loop with redundant reference input
US5142246A (en) * 1991-06-19 1992-08-25 Telefonaktiebolaget L M Ericsson Multi-loop controlled VCO
US5491439A (en) * 1994-08-31 1996-02-13 International Business Machines Corporation Method and apparatus for reducing jitter in a phase locked loop circuit
US5815016A (en) * 1994-09-02 1998-09-29 Xilinx, Inc. Phase-locked delay loop for clock correction
FI97579C (fi) * 1995-04-04 1997-01-10 Nokia Telecommunications Oy Vaihelukitun silmukan silmukkasuodatin
JPH09172370A (ja) * 1995-12-19 1997-06-30 Toshiba Corp Ｐｌｌ回路
US5953386A (en) * 1996-06-20 1999-09-14 Lsi Logic Corporation High speed clock recovery circuit using complimentary dividers
US5838205A (en) * 1997-02-18 1998-11-17 International Business Machines Corporation Variable-speed phase-locked loop system with on-the-fly switching and method therefor
US6100767A (en) * 1997-09-29 2000-08-08 Sanyo Electric Co., Ltd. Phase-locked loop with improved trade-off between lock-up time and power dissipation
US6137372A (en) * 1998-05-29 2000-10-24 Silicon Laboratories Inc. Method and apparatus for providing coarse and fine tuning control for synthesizing high-frequency signals for wireless communications
US6147561A (en) * 1999-07-29 2000-11-14 Conexant Systems, Inc. Phase/frequency detector with time-delayed inputs in a charge pump based phase locked loop and a method for enhancing the phase locked loop gain

Also Published As

Publication number Publication date
JP4216075B2 (ja) 2009-01-28
DE60225426D1 (de) 2008-04-17
CN100341269C (zh) 2007-10-03
WO2002076009A1 (en) 2002-09-26
DE60225426T2 (de) 2009-03-12
EP1371167B1 (en) 2008-03-05
CA2442721A1 (en) 2002-09-26
ATE388541T1 (de) 2008-03-15
JP2004530334A (ja) 2004-09-30
CN1507717A (zh) 2004-06-23
KR100880422B1 (ko) 2009-01-29
KR20040007473A (ko) 2004-01-24
EP1371167A1 (en) 2003-12-17
EP1371167A4 (en) 2005-07-13

Similar Documents

Publication Publication Date Title
HK1064831A1 (en) Fractional-n frequency synthesizer with fractionalcompensation method
US6064272A (en) Phase interpolated fractional-N frequency synthesizer with on-chip tuning
EP0910170A3 (en) Self-calibrating phase-lock loop
US6919744B2 (en) Spectrum profile control for a PLL and the like
WO2005002069A3 (en) Fast lock phase lock loop and method thereof
EP1168627A3 (en) Frequency synthesizer
EP1164701A3 (en) Fractional-N-PLL frequency synthesizer and phase error canceling method therefor
JP2001513304A (ja) ジッター補償されたｎ分周周波数シンセサイザー
WO2006083396A3 (en) Fractional-n offset phase locked loop
JP2001177407A (ja) デジタル制御の周波数増倍発振器を備えた位相同期ループ
TW200735537A (en) Phase-locked loop circuit, delay-locked loop circuit and method of tuning output frequencies of the same
AU2002231624A1 (en) Radio transceiver having a phase-locked loop circuit
TW200616341A (en) Phase-locked loop having dynamically adjustable up/down pulse widths
US20070200638A1 (en) All digital phase locked loop system and method
EP0841754A3 (en) A digitally-controlled oscillator
EP0196868A2 (en) Frequency synthesizer modulation response linearization
US20190288695A1 (en) Three loop phase-locked loop
CN111294043B (zh) 一种基于pll的自动恢复外部时钟的系统
US7471127B2 (en) Linear charge pump for fractional synthesis using an auxiliary charge pump
TWI264876B (en) PLL frequency synthesizer
AU2001264413A1 (en) Phase lock circuit
PT1025645E (pt) Circuito em anel de bloqueio de fase de terceira ordem modificado
EP0986178A3 (en) Frequency synthesizer
WO2006036749A3 (en) Apparatus and method of oscillating wideband frequency
TW200603546A (en) Phase locked loop with nonlinear phase-error response characteristic

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20180320