DE602004019158D1 - Frequenzkorrekturverfahren und Vorrichtung zur Korrektur von Anderungen durch Alterung - Google Patents

Frequenzkorrekturverfahren und Vorrichtung zur Korrektur von Anderungen durch Alterung

Info

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
Application number
DE602004019158T
Other languages
English (en)
Inventor
Masaki Ichihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE602004019158D1 publication Critical patent/DE602004019158D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
DE602004019158T 2003-03-12 2004-03-11 Frequenzkorrekturverfahren und Vorrichtung zur Korrektur von Anderungen durch Alterung Expired - Lifetime DE602004019158D1 (de)

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) EP1458098B1 (de)
JP (1) JP4257499B2 (de)
CN (1) CN1531296A (de)
DE (1) DE602004019158D1 (de)

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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
GB2423678B (en) * 2004-03-10 2007-02-07 Nec Technologies Apparatus for reducing frequency offset of an oscillator in a mobile communication device
EP1820274B1 (de) * 2004-11-18 2009-07-08 Research In Motion Limited Verfahren und vorrichtung zur präzisen abstimmung in offener schleife der referenzfrequenz innerhalb einer drahtlosen einrichtung
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
US8120432B2 (en) * 2009-06-19 2012-02-21 Rockstar Bidco, LP System and method for selecting optimum local oscillator discipline source
US8125279B2 (en) * 2009-06-19 2012-02-28 Rockstar Bidco, LP System and method for reducing holdover duration
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

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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
WO1998058451A2 (en) 1997-06-19 1998-12-23 Koninklijke Philips Electronics N.V. Digital communication device
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

Also Published As

Publication number Publication date
EP1458098B1 (de) 2009-01-21
JP4257499B2 (ja) 2009-04-22
JP2004282118A (ja) 2004-10-07
EP1458098A3 (de) 2004-12-22
EP2028765A1 (de) 2009-02-25
CN1531296A (zh) 2004-09-22
EP1458098A2 (de) 2004-09-15
US7228117B2 (en) 2007-06-05
US20040180630A1 (en) 2004-09-16

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