TW201001210A - Crystal oscillator frequency calibration - Google Patents
Crystal oscillator frequency calibration Download PDFInfo
- Publication number
- TW201001210A TW201001210A TW098103265A TW98103265A TW201001210A TW 201001210 A TW201001210 A TW 201001210A TW 098103265 A TW098103265 A TW 098103265A TW 98103265 A TW98103265 A TW 98103265A TW 201001210 A TW201001210 A TW 201001210A
- Authority
- TW
- Taiwan
- Prior art keywords
- coefficient
- temperature
- state
- difference
- computer
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 claims abstract description 60
- 238000004590 computer program Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 8
- 238000012935 Averaging Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims 1
- 238000012545 processing Methods 0.000 description 16
- 238000012937 correction Methods 0.000 description 8
- 230000032683 aging Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 230000003252 repetitive effect Effects 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/023,796 US20090195322A1 (en) | 2008-01-31 | 2008-01-31 | Crystal oscillator frequency calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201001210A true TW201001210A (en) | 2010-01-01 |
Family
ID=40635465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW098103265A TW201001210A (en) | 2008-01-31 | 2009-02-02 | Crystal oscillator frequency calibration |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20090195322A1 (https=) |
| EP (1) | EP2085900A1 (https=) |
| JP (1) | JP2011511575A (https=) |
| KR (1) | KR20100105900A (https=) |
| CN (1) | CN101965568A (https=) |
| TW (1) | TW201001210A (https=) |
| WO (1) | WO2009099903A1 (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8031024B1 (en) | 2008-02-28 | 2011-10-04 | Marvell International Ltd. | Temperature-corrected frequency control with crystal oscillators |
| US8731119B2 (en) | 2011-03-18 | 2014-05-20 | Marvell World Trade Ltd. | Apparatus and method for reducing receiver frequency errors |
| US9289422B2 (en) * | 2011-03-24 | 2016-03-22 | Marvell World Trade Ltd. | Initial acquisition using crystal oscillator |
| US20140004887A1 (en) | 2012-06-29 | 2014-01-02 | Qualcomm Incorporated | Crystal oscillator calibration |
| CN104716922B (zh) * | 2013-12-12 | 2019-01-25 | 深圳富泰宏精密工业有限公司 | 电子装置 |
| GB2521461B (en) * | 2013-12-20 | 2020-08-19 | St Microelectronics Res & Dev Ltd | Frequency error |
| US9872335B2 (en) | 2015-03-06 | 2018-01-16 | Marvell International Ltd. | Iterative receiver wake-up for long DRX periods |
| US10333525B1 (en) | 2015-12-07 | 2019-06-25 | Marvell International Ltd. | Digitally-based temperature compensation for a crystal oscillator |
| CN107465393B (zh) * | 2017-07-05 | 2020-12-01 | 广州昂宝电子有限公司 | 用于实时时钟系统的频率补偿的系统和方法 |
| US10823623B2 (en) | 2018-04-26 | 2020-11-03 | Samsung Electronics Co., Ltd | System and method for modeling and correcting frequency of quartz crystal oscillator |
| CN112292814B (zh) * | 2018-07-05 | 2024-11-15 | 华为技术有限公司 | 晶体判定方法、装置及存储介质 |
| CN110212863B (zh) * | 2019-05-31 | 2024-02-13 | Oppo广东移动通信有限公司 | 校准晶体振荡器的方法、装置、电子设备及存储介质 |
| CN110336535A (zh) * | 2019-06-12 | 2019-10-15 | Oppo广东移动通信有限公司 | 一种晶体振荡器校准方法、装置、终端设备及存储介质 |
| CN112083226A (zh) * | 2019-06-13 | 2020-12-15 | Oppo广东移动通信有限公司 | 电子设备的频率校准方法、装置、介质及电子设备 |
| CN110262210B (zh) * | 2019-06-28 | 2021-03-26 | 北斗天汇（北京）科技有限公司 | 基于计数器的晶振守时方法 |
| CN111162751A (zh) * | 2020-02-17 | 2020-05-15 | 广东惠伦晶体科技股份有限公司 | 一种改善动态热漂移的晶振 |
| CN111884589B (zh) * | 2020-08-26 | 2021-11-05 | 硅谷数模(苏州)半导体有限公司 | 频率源的温度补偿参数确定方法和装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2731564A (en) * | 1951-11-05 | 1956-01-17 | Edelstein Harold | Barium titanate temperature control |
| JPS5574222A (en) * | 1978-11-30 | 1980-06-04 | Nec Corp | Temperature compensation circuit for crystal oscillator |
| US4453834A (en) * | 1981-07-03 | 1984-06-12 | Citizen Watch Company Limited | Electronic timepiece with temperature compensation |
| JPH01313728A (ja) * | 1988-06-13 | 1989-12-19 | Seiko Electronic Components Ltd | 水晶式真空計 |
| DE4302542A1 (de) * | 1993-01-29 | 1994-08-04 | Siemens Ag | Oszillatorschaltung mit einem die schwingquarzindividuellen Kenninformationen speichernden Speicher |
| JPH06291550A (ja) * | 1993-04-01 | 1994-10-18 | Seiko Epson Corp | ディジタル型温度補償圧電発振器及び通信機 |
| JP3211134B2 (ja) * | 1994-10-31 | 2001-09-25 | 京セラ株式会社 | 水晶振動子の発振周波数算出方法 |
| JPH0918234A (ja) * | 1995-04-27 | 1997-01-17 | Seiko Epson Corp | 温度補償圧電発振器 |
| US5757244A (en) * | 1996-02-23 | 1998-05-26 | Kyocera Corporation | Digital control type oscillation circuit of portable telephone, crystal resonator oscillation frequency calculating method, and outputfrequency correcting method |
| US6584380B1 (en) * | 1997-06-02 | 2003-06-24 | Asahi Kasei Microsystems Co., Ltd. | Approximate third-order function generator, temperature compensation quartz oscillation circuit made by using the same, and temperature compensation method |
| JPH11220327A (ja) * | 1997-10-31 | 1999-08-10 | Dynamics Corp Of America | 発振器の温度補償回路 |
| US6775632B1 (en) * | 1999-12-14 | 2004-08-10 | The Goodyear Tire & Rubber Company | Calibration of a transponders for a tire pressure monitoring system |
| CA2341316A1 (en) * | 2000-03-17 | 2001-09-17 | Samir Kuliev | Digital indirectly compensated crystal oscillators |
| JP2001267847A (ja) * | 2000-03-17 | 2001-09-28 | Asahi Kasei Microsystems Kk | 温度補償型水晶発振器及び水晶発振器の温度補償方法 |
| US6420938B1 (en) * | 2000-08-30 | 2002-07-16 | Lawrence Hoff | Software controlled crystal oscillator |
| JP4454126B2 (ja) * | 2000-09-05 | 2010-04-21 | シチズンホールディングス株式会社 | 温度補償発振器の調整方法 |
| US6472943B1 (en) * | 2000-12-21 | 2002-10-29 | Telefonaktie Bolaget L.M. Ericsson | Oscillating circuit and method for calibrating same |
| JP2002299957A (ja) * | 2001-03-29 | 2002-10-11 | Kyocera Corp | 水晶発振器の温度特性補正方法 |
| US6661302B1 (en) * | 2001-04-30 | 2003-12-09 | Cts Corporation | Compensation algorithm for crystal curve fitting |
| US6636121B2 (en) * | 2001-05-31 | 2003-10-21 | Intel Corporation | Method for estimating crystal coefficient values for a signal generator |
| US6630872B1 (en) * | 2001-07-20 | 2003-10-07 | Cmc Electronics, Inc. | Digital indirectly compensated crystal oscillator |
| JP4449274B2 (ja) * | 2002-05-01 | 2010-04-14 | セイコーエプソン株式会社 | 圧電発振器、およびその圧電発振器を用いた受信装置 |
| AU2003261760A1 (en) * | 2002-08-28 | 2004-04-30 | Asahi Kasei Microsystems Co., Ltd. | DEVICE FOR GENERATING FUNCTION OF APPROXIMATE n-TH DEGREE AND TEMPERATURE COMPENSATION QUARTZ OSCILLATION CIRCUIT |
| JP4513742B2 (ja) * | 2003-03-17 | 2010-07-28 | セイコーエプソン株式会社 | 発振器の特性自動補償装置、特性自動補償方法、特性自動補償プログラム、及び測位信号受信機 |
| US6995622B2 (en) * | 2004-01-09 | 2006-02-07 | Robert Bosh Gmbh | Frequency and/or phase compensated microelectromechanical oscillator |
| US7015762B1 (en) * | 2004-08-19 | 2006-03-21 | Nortel Networks Limited | Reference timing signal apparatus and method |
| US7310024B2 (en) * | 2005-02-28 | 2007-12-18 | Milliren Bryan T | High stability double oven crystal oscillator |
| US20090063070A1 (en) * | 2005-06-24 | 2009-03-05 | Carl Peter Renneberg | Circuit and Method for Fitting the Output of a Sensor to a Predetermined Linear Relationship |
| US20070057737A1 (en) * | 2005-09-14 | 2007-03-15 | Freescale Semiconductor, Inc. | Compensation for modulation distortion |
| US7627060B2 (en) * | 2006-03-21 | 2009-12-01 | Intel Corporation | Receiver and method having envelope compensation signal |
| US7649426B2 (en) * | 2006-09-12 | 2010-01-19 | Cts Corporation | Apparatus and method for temperature compensation of crystal oscillators |
| US7466209B2 (en) * | 2007-01-05 | 2008-12-16 | Sirf Technology, Inc. | System and method for providing temperature correction in a crystal oscillator |
| JP4453719B2 (ja) * | 2007-05-29 | 2010-04-21 | ソニー株式会社 | 温度補償型水晶発振器 |
-
2008
- 2008-01-31 US US12/023,796 patent/US20090195322A1/en not_active Abandoned
- 2008-03-27 EP EP08005890A patent/EP2085900A1/en not_active Withdrawn
-
2009
- 2009-01-29 JP JP2010545175A patent/JP2011511575A/ja active Pending
- 2009-01-29 KR KR1020107019300A patent/KR20100105900A/ko not_active Abandoned
- 2009-01-29 CN CN2009801070884A patent/CN101965568A/zh active Pending
- 2009-01-29 WO PCT/US2009/032503 patent/WO2009099903A1/en not_active Ceased
- 2009-02-02 TW TW098103265A patent/TW201001210A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN101965568A (zh) | 2011-02-02 |
| KR20100105900A (ko) | 2010-09-30 |
| EP2085900A1 (en) | 2009-08-05 |
| US20090195322A1 (en) | 2009-08-06 |
| JP2011511575A (ja) | 2011-04-07 |
| WO2009099903A1 (en) | 2009-08-13 |
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