DE602004019158D1 - Frequenzkorrekturverfahren und Vorrichtung zur Korrektur von Anderungen durch Alterung - Google Patents
Frequenzkorrekturverfahren und Vorrichtung zur Korrektur von Anderungen durch AlterungInfo
- Publication number
- DE602004019158D1 DE602004019158D1 DE602004019158T DE602004019158T DE602004019158D1 DE 602004019158 D1 DE602004019158 D1 DE 602004019158D1 DE 602004019158 T DE602004019158 T DE 602004019158T DE 602004019158 T DE602004019158 T DE 602004019158T DE 602004019158 D1 DE602004019158 D1 DE 602004019158D1
- Authority
- DE
- Germany
- Prior art keywords
- aging
- correction method
- changes due
- frequency correction
- correcting changes
- 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.)
- Expired - Lifetime
Links
- 230000032683 aging Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
-
- 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
- H03L1/026—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 by using a memory for digitally storing correction values
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Superheterodyne Receivers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Transceivers (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003066565A JP4257499B2 (ja) | 2003-03-12 | 2003-03-12 | 周波数補正方法、装置、および移動端末 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004019158D1 true DE602004019158D1 (de) | 2009-03-12 |
Family
ID=32767937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004019158T Expired - Lifetime DE602004019158D1 (de) | 2003-03-12 | 2004-03-11 | Frequenzkorrekturverfahren und Vorrichtung zur Korrektur von Anderungen durch Alterung |
Country Status (5)
Country | Link |
---|---|
US (1) | US7228117B2 (de) |
EP (2) | EP2028765A1 (de) |
JP (1) | JP4257499B2 (de) |
CN (1) | CN1531296A (de) |
DE (1) | DE602004019158D1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3988392B2 (ja) * | 2001-01-24 | 2007-10-10 | 日本電気株式会社 | 携帯無線端末、afc制御方法及びafc制御プログラム |
GB2412037B (en) * | 2004-03-10 | 2006-12-06 | Nec Technologies | Apparatus for deriving the frequency offset due to aging of a crystal oscillator |
CA2554123C (en) * | 2004-11-18 | 2012-03-13 | Research In Motion Limited | Method and apparatus for precise open loop tuning of reference frequency within a wireless device |
CN1780271B (zh) * | 2004-11-19 | 2011-05-18 | 上海宣普实业有限公司 | 路径合并和相关的方法 |
US20060286949A1 (en) * | 2005-06-21 | 2006-12-21 | Kazuyoshi Imazeki | Frequency sweeping receiver |
US8559570B2 (en) * | 2005-06-30 | 2013-10-15 | Silicon Laboratories Inc. | Cancellation of undesired portions of audio signals |
CN101218766A (zh) * | 2005-08-01 | 2008-07-09 | 三菱电机株式会社 | 自动频率控制方法 |
KR100698160B1 (ko) * | 2005-09-09 | 2007-03-22 | 엘지전자 주식회사 | 이동통신 단말기의 네트워크 검색 방법 |
JP4629557B2 (ja) * | 2005-11-10 | 2011-02-09 | 株式会社日立国際電気 | 無線装置 |
JP2007228339A (ja) * | 2006-02-24 | 2007-09-06 | Renesas Technology Corp | 発振回路を内蔵した通信用半導体集積回路 |
JP4699250B2 (ja) * | 2006-03-20 | 2011-06-08 | 三菱電機株式会社 | 無線装置 |
JP4961973B2 (ja) * | 2006-11-29 | 2012-06-27 | 日本電気株式会社 | 発振器の周波数補正システム及びその方法並びに周波数補正データ生成システム及びその方法 |
GB2450680B (en) * | 2007-06-22 | 2012-05-30 | Ubiquisys Ltd | Controlling timing of synchronization updates |
CN101809858B (zh) | 2007-09-28 | 2013-01-09 | 富士通株式会社 | 监视装置及监视方法 |
US8099621B2 (en) * | 2007-10-12 | 2012-01-17 | Denso Corporation | Data reception apparatus and microcomputer having the same |
TW200934124A (en) * | 2008-01-21 | 2009-08-01 | Taitien Electronics Co Ltd | Aging compensation correction method, control module and apparatus for oscillator circuit device |
JP4894822B2 (ja) * | 2008-07-04 | 2012-03-14 | 株式会社豊田自動織機 | 周波数補正システム及び受信機 |
US8125279B2 (en) * | 2009-06-19 | 2012-02-28 | Rockstar Bidco, LP | System and method for reducing holdover duration |
US8120432B2 (en) | 2009-06-19 | 2012-02-21 | Rockstar Bidco, LP | System and method for selecting optimum local oscillator discipline source |
US7915962B2 (en) * | 2009-07-06 | 2011-03-29 | Nortel Networks Limited | System and method for built in self test for timing module holdover |
CN103064002B (zh) * | 2012-12-05 | 2015-02-04 | 无锡辐导微电子有限公司 | 晶振温度补偿芯片的快速校验方法 |
CN103248358A (zh) * | 2013-05-30 | 2013-08-14 | 上海贝岭股份有限公司 | 实时时钟补偿装置及方法 |
CN104753464B (zh) * | 2013-12-29 | 2017-06-30 | 展讯通信(上海)有限公司 | 一种移动终端中温度补偿晶振的频率校准方法和装置 |
CN104954303B (zh) * | 2014-03-28 | 2018-09-07 | 联发科技股份有限公司 | 手持装置及频率追踪方法 |
JP6089011B2 (ja) * | 2014-08-20 | 2017-03-01 | 日本電波工業株式会社 | 発振装置及び発振装置の製造方法 |
CN114911299B (zh) * | 2022-07-18 | 2022-10-28 | 深圳市英特瑞半导体科技有限公司 | 用于晶振温度补偿的高阶函数产生电路及装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4633422A (en) * | 1983-07-26 | 1986-12-30 | Cincinnati Electronics Corporation | Apparatus for and method of compensating for variations due to aging |
JP2866086B2 (ja) | 1985-10-23 | 1999-03-08 | 株式会社リコー | 残差駆動型音声合成方式 |
JPH05102955A (ja) | 1991-10-03 | 1993-04-23 | Toshiba Corp | クロツク発振回路 |
JPH06326740A (ja) | 1993-05-11 | 1994-11-25 | N T T Idou Tsuushinmou Kk | 移動無線機 |
US5659884A (en) * | 1995-02-10 | 1997-08-19 | Matsushita Communication Industrial Corp. Of America | System with automatic compensation for aging and temperature of a crystal oscillator |
JP3186500B2 (ja) * | 1995-03-29 | 2001-07-11 | 三菱電機株式会社 | 無線装置及び無線装置の調整方法 |
JPH09312584A (ja) | 1996-03-18 | 1997-12-02 | Mitsubishi Materials Corp | 基準発振器 |
DE19640677A1 (de) * | 1996-10-02 | 1998-04-16 | Bosch Gmbh Robert | Schaltungsanordnung mit einem Oszillator |
JPH10284973A (ja) | 1997-03-31 | 1998-10-23 | Miyota Co Ltd | 気密端子 |
DE69831380T2 (de) | 1997-06-19 | 2006-06-08 | Koninklijke Philips Electronics N.V. | Digitales kommunikationsgerät |
JPH11154987A (ja) | 1997-11-20 | 1999-06-08 | Fujitsu General Ltd | 復調装置 |
US5994970A (en) * | 1998-03-23 | 1999-11-30 | Dallas Semiconductor Corporation | Temperature compensated crystal oscillator |
JP2001077670A (ja) | 1999-08-31 | 2001-03-23 | Sanyo Electric Co Ltd | 周波数補正回路、移動体通信機 |
-
2003
- 2003-03-12 JP JP2003066565A patent/JP4257499B2/ja not_active Expired - Fee Related
-
2004
- 2004-03-11 DE DE602004019158T patent/DE602004019158D1/de not_active Expired - Lifetime
- 2004-03-11 EP EP08019555A patent/EP2028765A1/de not_active Withdrawn
- 2004-03-11 US US10/798,080 patent/US7228117B2/en not_active Expired - Fee Related
- 2004-03-11 EP EP04005856A patent/EP1458098B1/de not_active Expired - Fee Related
- 2004-03-12 CN CNA200410008623XA patent/CN1531296A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20040180630A1 (en) | 2004-09-16 |
JP2004282118A (ja) | 2004-10-07 |
EP1458098A2 (de) | 2004-09-15 |
US7228117B2 (en) | 2007-06-05 |
JP4257499B2 (ja) | 2009-04-22 |
EP1458098A3 (de) | 2004-12-22 |
EP1458098B1 (de) | 2009-01-21 |
CN1531296A (zh) | 2004-09-22 |
EP2028765A1 (de) | 2009-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |