CN101911496B - 振荡频率控制电路 - Google Patents
振荡频率控制电路 Download PDFInfo
- 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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- CN
- China
- Prior art keywords
- voltage
- control
- circuit
- information
- output
- 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.)
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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
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
-
- 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
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/107—Details 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
- H03L7/1075—Details 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
-
- 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
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
- H03L7/146—Details 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
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 |
Family
ID=40800835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801227621A Active CN101911496B (zh) | 2007-12-25 | 2008-10-30 | 振荡频率控制电路 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7884657B2 (enExample) |
| JP (1) | JP4625494B2 (enExample) |
| CN (1) | CN101911496B (enExample) |
| WO (1) | WO2009081516A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1716784A (zh) * | 2004-06-15 | 2006-01-04 | 夏普株式会社 | Pll电路及高频接收装置 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2007
- 2007-12-25 JP JP2007331767A patent/JP4625494B2/ja active Active
-
2008
- 2008-10-30 WO PCT/JP2008/003108 patent/WO2009081516A1/ja not_active Ceased
- 2008-10-30 CN CN2008801227621A patent/CN101911496B/zh active Active
-
2010
- 2010-06-24 US US12/801,772 patent/US7884657B2/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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)
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |