TW200721686A - Frequency synthesizer - Google Patents

Frequency synthesizer

Info

Publication number
TW200721686A
TW200721686A TW095126813A TW95126813A TW200721686A TW 200721686 A TW200721686 A TW 200721686A TW 095126813 A TW095126813 A TW 095126813A TW 95126813 A TW95126813 A TW 95126813A TW 200721686 A TW200721686 A TW 200721686A
Authority
TW
Taiwan
Prior art keywords
local oscillation
frequency
oscillation frequency
lock
eliminate
Prior art date
Application number
TW095126813A
Other languages
English (en)
Inventor
Takeshi Ikeda
Hiroshi Miyagi
Original Assignee
Neuro Solution Corp
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 Neuro Solution Corp filed Critical Neuro Solution Corp
Publication of TW200721686A publication Critical patent/TW200721686A/zh

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
    • H03L7/087—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
    • 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
    • H03L7/091—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 using a sampling device
    • 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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
TW095126813A 2005-11-18 2006-07-21 Frequency synthesizer TW200721686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005333677A JP2007142791A (ja) 2005-11-18 2005-11-18 周波数シンセサイザ

Publications (1)

Publication Number Publication Date
TW200721686A true TW200721686A (en) 2007-06-01

Family

ID=38048393

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095126813A TW200721686A (en) 2005-11-18 2006-07-21 Frequency synthesizer

Country Status (5)

Country Link
US (1) US20090085672A1 (zh)
JP (1) JP2007142791A (zh)
CN (1) CN101310444A (zh)
TW (1) TW200721686A (zh)
WO (1) WO2007058002A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI387207B (zh) * 2009-03-16 2013-02-21 Mediatek Inc 混合模式鎖相迴路及用於減少全數位式鎖相迴路中之分數突刺之方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8259876B2 (en) * 2008-03-21 2012-09-04 Skyworks Solutions, Inc. System and method for tuning a radio receiver
CN104617950A (zh) * 2015-01-31 2015-05-13 复旦大学 一种集成的调频连续波数字频率综合器
CN105959001B (zh) * 2016-04-18 2018-11-06 南华大学 变频域全数字锁相环及锁相控制方法
US10778235B2 (en) * 2018-10-28 2020-09-15 Nuvoton Technology Corporation Intermittent tuning of an oscillator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6182535A (ja) * 1984-09-29 1986-04-26 Sony Corp 位相同期回路
JPS6223620A (ja) * 1985-07-24 1987-01-31 Hitachi Ltd Ｐｌｌ回路
JPH04196715A (ja) * 1990-11-27 1992-07-16 Matsushita Electric Ind Co Ltd Ｐｌｌ回路
JP2985489B2 (ja) * 1992-03-31 1999-11-29 日本電気株式会社 位相同期ループ
US5382921A (en) * 1992-11-23 1995-01-17 National Semiconductor Corporation Automatic selection of an operating frequency in a low-gain broadband phase lock loop system
US5757238A (en) * 1996-08-19 1998-05-26 International Business Machines Corporation Fast locking variable frequency phase-locked loop
US6614313B2 (en) * 2000-10-06 2003-09-02 Linear Technology Corporation Precision oscillator circuits and methods with switched capacitor frequency control and frequency-setting resistor
US7349514B2 (en) * 2003-04-01 2008-03-25 Seiko Epson Corporation Frequency/phase locked loop clock synthesizer using an all digital frequency detector and an analog phase detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI387207B (zh) * 2009-03-16 2013-02-21 Mediatek Inc 混合模式鎖相迴路及用於減少全數位式鎖相迴路中之分數突刺之方法
US8502613B2 (en) 2009-03-16 2013-08-06 Mediatek Inc. Oscillating circuit

Also Published As

Publication number Publication date
JP2007142791A (ja) 2007-06-07
CN101310444A (zh) 2008-11-19
US20090085672A1 (en) 2009-04-02
WO2007058002A1 (ja) 2007-05-24

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