ATE322103T1 - Oszillator unter verwendung einer eicheinrichtung - Google Patents

Oszillator unter verwendung einer eicheinrichtung

Info

Publication number
ATE322103T1
ATE322103T1 AT00902272T AT00902272T ATE322103T1 AT E322103 T1 ATE322103 T1 AT E322103T1 AT 00902272 T AT00902272 T AT 00902272T AT 00902272 T AT00902272 T AT 00902272T AT E322103 T1 ATE322103 T1 AT E322103T1
Authority
AT
Austria
Prior art keywords
oscillator
calibration device
monitoring
disclosed
frequency device
Prior art date
Application number
AT00902272T
Other languages
English (en)
Inventor
Jacobus Haartsen
Bojko Marholev
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 filed Critical
Application granted granted Critical
Publication of ATE322103T1 publication Critical patent/ATE322103T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B1/00—Details
    • 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
    • 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
    • H03J7/06—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 using counters or frequency dividers
    • 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
    • H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Electric Clocks (AREA)
  • Power Steering Mechanism (AREA)
  • Measuring Fluid Pressure (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT00902272T 1999-01-22 2000-01-20 Oszillator unter verwendung einer eicheinrichtung ATE322103T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/236,008 US6124764A (en) 1999-01-22 1999-01-22 Stable low-power oscillator

Publications (1)

Publication Number Publication Date
ATE322103T1 true ATE322103T1 (de) 2006-04-15

Family

ID=22887751

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00902272T ATE322103T1 (de) 1999-01-22 2000-01-20 Oszillator unter verwendung einer eicheinrichtung

Country Status (13)

Country Link
US (1) US6124764A (de)
EP (1) EP1145438B1 (de)
JP (1) JP4588886B2 (de)
KR (1) KR20010110343A (de)
CN (1) CN1190897C (de)
AT (1) ATE322103T1 (de)
AU (1) AU759155B2 (de)
BR (1) BR0007535A (de)
DE (1) DE60026967T2 (de)
IL (1) IL144416A (de)
MY (1) MY121465A (de)
PL (1) PL349779A1 (de)
WO (1) WO2000044097A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6404246B1 (en) * 2000-12-20 2002-06-11 Lexa Media, Inc. Precision clock synthesizer using RC oscillator and calibration circuit
US7116956B2 (en) * 2001-02-16 2006-10-03 Cubic Corporation Power oscillator for control of waveshape and amplitude
CN100375385C (zh) * 2003-02-12 2008-03-12 盛群半导体股份有限公司 一种遥控器载波频率校正装置与方法
WO2004107582A1 (en) * 2003-05-30 2004-12-09 Infineon Technologies Ag A self-calibrated constant-gain tunable oscillator
US20050186920A1 (en) * 2004-02-19 2005-08-25 Texas Instruments Incorporated Apparatus for and method of noise suppression and dithering to improve resolution quality in a digital RF processor
US7266680B1 (en) * 2004-07-29 2007-09-04 Marvell International Ltd. Method and apparatus for loading configuration data
US7890787B2 (en) * 2005-06-17 2011-02-15 Analog Devices, Inc. Microprocessor programmable clock calibration system and method
GB2433332A (en) * 2005-12-16 2007-06-20 Nokia Corp Determining timing accuracy of a receiver oscillator
US7272078B1 (en) 2006-10-12 2007-09-18 Telefonaktiebolaget L M Ericsson (Publ) Efficient clock calibration in electronic equipment
US7791418B2 (en) * 2007-12-20 2010-09-07 Pentad Design, Llc Systems and methods for compensating for variations of the output of a real-time clock
US7881895B2 (en) * 2008-05-27 2011-02-01 Sony Ericsson Mobile Communications Ab Methods of calibrating a clock using multiple clock periods with a single counter and related devices and methods
EP2253966B1 (de) * 2009-05-18 2014-04-30 Dialog Semiconductor GmbH Selbstanpassung und Selbsttest von On-Chip-Werten
US20100303185A1 (en) * 2009-06-02 2010-12-02 Jacobus Cornelis Haartsen Methods of Operating Wireless Communications Devices Including Detecting Times of Receipt of Packets and Related Devices
EP2333954B1 (de) 2009-11-25 2015-07-22 ST-Ericsson SA Taktrückgewinnung in einer batteriebetriebenen Vorrichtung
US8085099B2 (en) * 2010-04-06 2011-12-27 Sandisk Technologies Inc. Self-calibrating relaxation oscillator based clock source
GB201100986D0 (en) * 2011-01-20 2011-03-09 Nordic Semiconductor Asa Low power oscillator
CN103634003B (zh) * 2012-08-14 2016-02-10 上海华虹宏力半导体制造有限公司 Osc频率自动校准电路及自动校准方法
US9698872B2 (en) * 2013-06-18 2017-07-04 Qualcomm Incorporated Methods and apparatus for improving remote NFC device detection using a low power oscillator circuit
US9766682B1 (en) * 2014-01-27 2017-09-19 Marvell International Ltd. Wakeup time system using drift estimation
US10782727B2 (en) * 2018-11-19 2020-09-22 Texas Instruments Incorporated Integrated circuits having self-calibrating oscillators, and methods of operating the same

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
JPS5445558A (en) * 1977-09-17 1979-04-10 Citizen Watch Co Ltd Frequency adjusting set for oscillator
NL8104415A (nl) * 1981-09-25 1983-04-18 Philips Nv Afstemschakeling met een frequentiesyntheseschakeling.
FR2529733A1 (fr) * 1982-06-30 1984-01-06 Labo Cent Telecommunicat Dispositif d'asservissement, en frequence, d'une horloge sur un signal exterieur de frequence moyenne tres precise mais comportant une gigue importante
US4525685A (en) * 1983-05-31 1985-06-25 Spectracom Corp. Disciplined oscillator system with frequency control and accumulated time control
JPS6235278A (ja) * 1985-08-09 1987-02-16 Nissan Motor Co Ltd ロランｃ受信機
JPH0681042B2 (ja) * 1987-06-18 1994-10-12 富士通株式会社 周波数誤差検出回路
US4864253A (en) * 1987-12-22 1989-09-05 Siemens Aktiengesellschaft Phase locked loop wherein phase comparing and filtering are performed by microprocessor
GB2252879B (en) * 1988-04-15 1992-12-16 Racal Res Ltd Frequency synthesizers
DE9112177U1 (de) * 1991-09-30 1991-12-12 Siemens AG, 8000 München Schaltungsanordnung zum Synchronisieren eines spannungsgesteuerten Oszillators
FI95334C (fi) * 1992-04-02 1996-01-10 Nokia Telecommunications Oy Oskillaattoriyksikkö digitaalisen solukkoradioverkon tukiasemaa tai vastaavaa varten
JP2506027B2 (ja) * 1992-06-23 1996-06-12 日本無線株式会社 Ａｆｃ回路
US5424664A (en) * 1993-07-02 1995-06-13 Rockwell International Corporation Direct digital synthesizer with adjustable clock frequency
JP3125562B2 (ja) * 1994-03-10 2001-01-22 富士電機株式会社 クロック発生回路
JPH09191249A (ja) * 1996-01-10 1997-07-22 Fujitsu Ltd 周波数偏差補正方式
CN1107378C (zh) * 1996-02-23 2003-04-30 松下通讯工业美国公司 用于确定接收信号的完整性的方法和系统
US5943613A (en) * 1996-11-07 1999-08-24 Telefonaktiebolaget Lm Ericsson Method and apparatus for reducing standby current in communications equipment

Also Published As

Publication number Publication date
JP4588886B2 (ja) 2010-12-01
PL349779A1 (en) 2002-09-09
US6124764A (en) 2000-09-26
HK1044423A1 (en) 2002-10-18
CN1338150A (zh) 2002-02-27
IL144416A (en) 2005-09-25
MY121465A (en) 2006-01-28
BR0007535A (pt) 2001-10-02
CN1190897C (zh) 2005-02-23
JP2002535908A (ja) 2002-10-22
IL144416A0 (en) 2002-05-23
AU759155B2 (en) 2003-04-10
EP1145438B1 (de) 2006-03-29
DE60026967D1 (de) 2006-05-18
KR20010110343A (ko) 2001-12-13
DE60026967T2 (de) 2006-08-24
EP1145438A1 (de) 2001-10-17
AU2339800A (en) 2000-08-07
WO2000044097A1 (en) 2000-07-27

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