CN101911496B - 振荡频率控制电路 - Google Patents

振荡频率控制电路 Download PDF

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Publication number
CN101911496B
CN101911496B CN2008801227621A CN200880122762A CN101911496B CN 101911496 B CN101911496 B CN 101911496B CN 2008801227621 A CN2008801227621 A CN 2008801227621A CN 200880122762 A CN200880122762 A CN 200880122762A CN 101911496 B CN101911496 B CN 101911496B
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voltage
control
circuit
information
output
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Chinese (zh)
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CN101911496A (zh
Inventor
大西直树
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Nihon Dempa Kogyo Co Ltd
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Nihon Dempa Kogyo Co Ltd
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Publication of CN101911496A publication Critical patent/CN101911496A/zh
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    • 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
    • H03L7/08Details of the phase-locked loop
    • H03L7/14Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
    • 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
    • H03L7/08Details of the phase-locked loop
    • H03L7/10Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
    • 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
    • H03L7/08Details of the phase-locked loop
    • H03L7/14Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
    • H03L7/146Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail by using digital means for generating the oscillator control signal

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  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CN2008801227621A 2007-12-25 2008-10-30 振荡频率控制电路 Active CN101911496B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007331767A JP4625494B2 (ja) 2007-12-25 2007-12-25 発振周波数制御回路
JP2007-331767 2007-12-25
PCT/JP2008/003108 WO2009081516A1 (ja) 2007-12-25 2008-10-30 発振周波数制御回路

Publications (2)

Publication Number Publication Date
CN101911496A CN101911496A (zh) 2010-12-08
CN101911496B true CN101911496B (zh) 2013-02-20

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Family Applications (1)

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CN2008801227621A Active CN101911496B (zh) 2007-12-25 2008-10-30 振荡频率控制电路

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US (1) US7884657B2 (enExample)
JP (1) JP4625494B2 (enExample)
CN (1) CN101911496B (enExample)
WO (1) WO2009081516A1 (enExample)

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JP4374463B2 (ja) * 2006-12-26 2009-12-02 日本電波工業株式会社 発振周波数制御回路
US8330644B2 (en) * 2010-07-14 2012-12-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Expandable and reconfigurable instrument node arrays
CN103312265B (zh) * 2012-03-12 2017-07-04 飞思卡尔半导体公司 振荡器电路
US20140004887A1 (en) 2012-06-29 2014-01-02 Qualcomm Incorporated Crystal oscillator calibration
CN102798431B (zh) * 2012-08-30 2014-04-09 北京京仪海福尔自动化仪表有限公司 一种压电晶体振荡及检测装置
JP6172989B2 (ja) * 2013-03-26 2017-08-02 日本電波工業株式会社 発振装置
US9160159B2 (en) * 2013-07-24 2015-10-13 Stmicroelectronics S.R.L. Circuit breaker and method of controlling a power transistor with a circuit breaker
JP2017194789A (ja) * 2016-04-19 2017-10-26 ローム株式会社 クロック発生装置、電子回路、集積回路、及び電気機器
CN106027041B (zh) * 2016-05-12 2019-03-05 中国电子科技集团公司第四十一研究所 一种高性能自检测外参考时基电路及其实现方法
US10778235B2 (en) * 2018-10-28 2020-09-15 Nuvoton Technology Corporation Intermittent tuning of an oscillator
CN111490781B (zh) * 2020-04-22 2023-05-26 中国科学院国家授时中心 一种基于温度变化差驾驭压控晶振的时间保持方法

Citations (1)

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CN1716784A (zh) * 2004-06-15 2006-01-04 夏普株式会社 Pll电路及高频接收装置

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JPS60186115A (ja) * 1984-03-06 1985-09-21 Mitsubishi Electric Corp 位相同期回路
JPH01307317A (ja) * 1988-06-06 1989-12-12 Mitsubishi Electric Corp Pll回路
JP2644890B2 (ja) * 1989-05-18 1997-08-25 三菱電機株式会社 位相同期回路
JPH047911A (ja) * 1990-04-25 1992-01-13 Nec Corp 位相同期発振回路
JPH0450935A (ja) 1990-06-15 1992-02-19 Nikon Corp カメラのバッテリチェック装置
JPH0470010A (ja) * 1990-07-09 1992-03-05 Nec Eng Ltd Plo回路
JPH0450935U (enExample) * 1990-09-06 1992-04-28
JPH04343524A (ja) * 1991-05-20 1992-11-30 Casio Comput Co Ltd Pll回路
JPH04369927A (ja) * 1991-06-19 1992-12-22 Hitachi Ltd Pll発振器
JPH05243992A (ja) * 1992-02-28 1993-09-21 Sony Corp Pll回路
US6337589B1 (en) * 1997-09-11 2002-01-08 Mitsubishi Denki Kabushiki Kaisha Phase-lock loop with independent phase and frequency adjustments
JP2000083003A (ja) 1998-09-04 2000-03-21 Tif:Kk フリーラン周波数調整方式
JP3367465B2 (ja) * 1999-05-13 2003-01-14 日本電気株式会社 発振周波数調整装置
JP3501778B2 (ja) * 2001-05-30 2004-03-02 日本電気株式会社 Pll回路
JP3674850B2 (ja) 2001-12-11 2005-07-27 ソニー株式会社 電圧制御発振器の自走周波数の自動調整機能を有する位相ロックループ回路
US6680874B1 (en) * 2002-08-29 2004-01-20 Micron Technology, Inc. Delay lock loop circuit useful in a synchronous system and associated methods
JP2006121171A (ja) * 2004-10-19 2006-05-11 Matsushita Electric Ind Co Ltd 周波数補正機能付きクロック供給装置
WO2006118284A1 (en) * 2005-04-27 2006-11-09 Semiconductor Energy Laboratory Co., Ltd. Pll circuit and semiconductor device having the same
JP4459911B2 (ja) * 2006-02-08 2010-04-28 富士通株式会社 ホールドオーバ機能付きdpll回路
US7805122B2 (en) * 2006-08-29 2010-09-28 Texas Instruments Incorporated Local oscillator with non-harmonic ratio between oscillator and RF frequencies using digital mixing and weighting functions
US7564280B2 (en) * 2006-11-30 2009-07-21 Broadcom Corporation Phase locked loop with small size and improved performance
US7804344B2 (en) * 2007-04-20 2010-09-28 Micron Technology, Inc. Periodic signal synchronization apparatus, systems, and methods
JP5022445B2 (ja) * 2007-11-02 2012-09-12 パナソニック株式会社 スペクトラム拡散クロック発生装置
US7800451B2 (en) * 2008-08-20 2010-09-21 Silicon Laboratories Inc. Frequency adjustment for clock generator
US7733151B1 (en) * 2008-12-08 2010-06-08 Texas Instruments Incorporated Operating clock generation system and method for audio applications

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CN1716784A (zh) * 2004-06-15 2006-01-04 夏普株式会社 Pll电路及高频接收装置

Non-Patent Citations (5)

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Title
JP平4-50935U 1992.04.28
JP特开2006-121171A 2006.05.11
JP特开平4-343524A 1992.11.30
JP特开平4-369927A 1992.12.22
JP特许平1-307317A 1989.12.12

Also Published As

Publication number Publication date
JP2009159013A (ja) 2009-07-16
US20100264961A1 (en) 2010-10-21
US7884657B2 (en) 2011-02-08
CN101911496A (zh) 2010-12-08
JP4625494B2 (ja) 2011-02-02
WO2009081516A1 (ja) 2009-07-02

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