SE524983C2 - Frekvensinställning för radiosändtagare - Google Patents

Frekvensinställning för radiosändtagare

Info

Publication number
SE524983C2
SE524983C2 SE0101551A SE0101551A SE524983C2 SE 524983 C2 SE524983 C2 SE 524983C2 SE 0101551 A SE0101551 A SE 0101551A SE 0101551 A SE0101551 A SE 0101551A SE 524983 C2 SE524983 C2 SE 524983C2
Authority
SE
Sweden
Prior art keywords
frequency
error
signal
response
correction
Prior art date
Application number
SE0101551A
Other languages
English (en)
Swedish (sv)
Other versions
SE0101551D0 (sv
SE0101551L (sv
Inventor
Elen Shaul Barak
Original Assignee
Wireless Ip Ltd
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 Wireless Ip Ltd filed Critical Wireless Ip Ltd
Publication of SE0101551D0 publication Critical patent/SE0101551D0/xx
Publication of SE0101551L publication Critical patent/SE0101551L/xx
Publication of SE524983C2 publication Critical patent/SE524983C2/sv

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02Automatic frequency control
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022Stabilisation 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
    • H03L1/026Stabilisation 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)
  • Transceivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
SE0101551A 1998-11-06 2001-05-04 Frekvensinställning för radiosändtagare SE524983C2 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/187,840 US6400930B1 (en) 1998-11-06 1998-11-06 Frequency tuning for radio transceivers
PCT/IL1999/000582 WO2000028665A1 (en) 1998-11-06 1999-11-02 Frequency tuning for radio transceivers

Publications (3)

Publication Number Publication Date
SE0101551D0 SE0101551D0 (sv) 2001-05-04
SE0101551L SE0101551L (sv) 2001-07-06
SE524983C2 true SE524983C2 (sv) 2004-11-02

Family

ID=22690695

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0101551A SE524983C2 (sv) 1998-11-06 2001-05-04 Frekvensinställning för radiosändtagare

Country Status (7)

Country Link
US (2) US6400930B1 (pt)
CN (1) CN1342341A (pt)
AU (1) AU6487099A (pt)
BR (1) BR9915036A (pt)
ES (1) ES2187305A1 (pt)
SE (1) SE524983C2 (pt)
WO (1) WO2000028665A1 (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6400930B1 (en) * 1998-11-06 2002-06-04 Dspc Israel, Ltd. Frequency tuning for radio transceivers
US7383018B2 (en) 2002-02-26 2008-06-03 Thomas Licensing Satellite television system ground station having wideband multi-channel LNB converter/transmitter architecture with coarse tuner in outdoor unit
US7401349B2 (en) 2002-02-26 2008-07-15 Thomson Licensing Satellite television system ground station having wideband multi-channel LNB converter/transmitter architecture utilizing a frequency stabilized common oscillator
US8418210B2 (en) 2002-02-26 2013-04-09 Thomson Licensing Satellite television system ground station having wideband multi-channel LNB converter/transmitter architecture with controlled uplink transmission
US7215214B1 (en) 2003-09-26 2007-05-08 Cypress Semiconductor Corp. Resonator and amplifying oscillator circuit having a high resolution skew-compensated frequency synthesizer integrated on a single substrate
US7324789B2 (en) * 2005-01-20 2008-01-29 Broadcom Corporation PLL frequency synthesizer architecture for low phase noise and reference spurs
DE102005004105B4 (de) * 2005-01-28 2013-05-08 Intel Mobile Communications GmbH Signalverarbeitungseinrichtung und Verfahren zum Betreiben einer Signalverarbeitungseinrichtung
US8014476B2 (en) * 2005-11-07 2011-09-06 Qualcomm, Incorporated Wireless device with a non-compensated crystal oscillator
GB2432467B (en) * 2005-11-22 2008-03-19 Motorola Inc RF transceiver and a method of operation therein
US20080290997A1 (en) * 2005-12-22 2008-11-27 Nam Yun Kim Rfid System
US7742785B2 (en) * 2006-08-09 2010-06-22 Qualcomm Incorporated Reference signal generation for multiple communication systems
FR2905537B1 (fr) * 2006-08-30 2012-11-16 Thales Sa Procede et dispositif permettant de compenser la derive due a la variation d'un parametre dans un filtre
KR101315858B1 (ko) * 2007-01-29 2013-10-08 엘지이노텍 주식회사 위성방송수신기의 주파수 드래프트 보상 장치
EP2120347A4 (en) * 2007-02-14 2014-01-15 Nec Corp PHASE NOISE CORRECTION DEVICE AND METHOD THEREOF
US20100098204A1 (en) * 2008-08-01 2010-04-22 Nivis, Llc Systems and Methods for Regulating Clock Precision in Distributed Devices
US8140038B2 (en) * 2009-10-14 2012-03-20 Issc Technologies Corp. Adaptive receivers
US8411799B1 (en) * 2009-11-13 2013-04-02 Maxim Integrated Products, Inc. Receiver with intermediate frequency error correction
CN103634002A (zh) * 2013-12-23 2014-03-12 北京无线电计量测试研究所 一种宽带vco线性度的实时校准系统和校准方法
FR3049413B1 (fr) * 2016-03-22 2022-11-18 Sigfox Procede de correction d'une erreur sur la generation de frequence par un terminal d'un systeme de communication sans fil
US10749368B2 (en) * 2017-06-01 2020-08-18 Logitech Europe S.A. Computer mouse clock tuning to reduce electromagnetic induced noise in a wireless charging system

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938316A (en) 1973-02-10 1976-02-17 Citizen Watch Co., Ltd. Temperature compensated electronic timepiece
CH616297B (de) 1974-09-16 Centre Electron Horloger Garde-temps compense en fonction d'au moins un parametre physique d'environnement.
US4093873A (en) 1976-10-28 1978-06-06 Intel Corporation Compensating digital counter for quartz crystal oscillator
US4454483A (en) 1982-03-25 1984-06-12 Cubic Corporation Temperature compensation of an oscillator by fractional cycle synthesis
GB2120478B (en) * 1982-04-22 1985-10-16 Standard Telephones Cables Ltd Voltage controlled oscillator
US4709406A (en) * 1985-09-19 1987-11-24 Matsushita Electric Industrial Co., Ltd. A.F.C. system for broad-band FM receiver
GB2205460B (en) * 1987-06-02 1991-09-04 Multitone Electronics Plc Local oscillators for radio receivers
US4940950A (en) * 1988-08-12 1990-07-10 Tel-Instrument Electronics Corporation Frequency synthesis method and apparatus using approximation to provide closely spaced discrete frequencies over a wide range with rapid acquisition
US5517678A (en) 1988-11-02 1996-05-14 Deutsche Thomson-Brandt Gmbh Satellite radio receiver
US5319680A (en) * 1991-09-03 1994-06-07 The Whitaker Corporation Phase locked loop synchronization system for use in data communications
US5390348A (en) * 1992-02-12 1995-02-14 Creative Digital Inc. System for tracking and correcting drift and dispersion in satellite transmission signals
US5485490A (en) * 1992-05-28 1996-01-16 Rambus, Inc. Method and circuitry for clock synchronization
US5382921A (en) * 1992-11-23 1995-01-17 National Semiconductor Corporation Automatic selection of an operating frequency in a low-gain broadband phase lock loop system
GB2274759B (en) * 1993-02-02 1996-11-13 Nokia Mobile Phones Ltd Correction of D.C offset in received and demodulated radio signals
US5375146A (en) 1993-05-06 1994-12-20 Comsat Corporation Digital frequency conversion and tuning scheme for microwave radio receivers and transmitters
IL107656A (en) 1993-11-18 1996-11-14 Dsp Telecomm Ltd Demodulator
US5552838A (en) 1993-12-24 1996-09-03 Kabushiki Kaisha Toshiba Apparatus for tuning offset signals by controlling a tuner based on a difference in frequency of signals tuned by that tuner
US5535441A (en) * 1994-09-30 1996-07-09 Hughes Electronics Corp. Method and device for canceling frequency offsets
JPH08288880A (ja) * 1995-04-14 1996-11-01 Toshiba Corp Pll回路及び方式
US5799034A (en) * 1995-12-06 1998-08-25 Rockwell International Corporation Frequency acquisition method for direct sequence spread spectrum systems
JP3338748B2 (ja) * 1996-01-30 2002-10-28 日本電気株式会社 Pll周波数シンセサイザ
US5604468A (en) 1996-04-22 1997-02-18 Motorola, Inc. Frequency synthesizer with temperature compensation and frequency multiplication and method of providing the same
US5761259A (en) 1996-05-24 1998-06-02 International Business Machines Corporation Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio
US5731743A (en) * 1996-10-07 1998-03-24 David Sarnoff Research Center, Inc. Frequency synthesizer having phase error feedback for waveform selection
GB2320628B (en) 1996-12-18 2001-05-23 Nec Technologies Hybrid reference frequency correction system
JP3070530B2 (ja) * 1997-06-09 2000-07-31 日本電気株式会社 自動周波数制御方法及び回路
JPH11275050A (ja) 1998-03-23 1999-10-08 Pioneer Electron Corp ディジタル放送受信機
US7035607B2 (en) * 1998-05-29 2006-04-25 Silicon Laboratories Inc. Systems and methods for providing an adjustable reference signal to RF circuitry
US6181912B1 (en) * 1998-09-09 2001-01-30 Qualcomm Inc System and method for user terminal clock error measurement and correction
US6400930B1 (en) * 1998-11-06 2002-06-04 Dspc Israel, Ltd. Frequency tuning for radio transceivers
EP1145430B1 (en) * 1998-11-12 2004-09-15 Broadcom Corporation Integrated tuner architecture
US6934341B2 (en) * 2000-08-29 2005-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for plurality signal generation
US6856791B2 (en) * 2002-03-14 2005-02-15 Ericsson Inc. Direct automatic frequency control method and apparatus
US7155190B2 (en) * 2004-02-19 2006-12-26 Tektronix, Inc. DDS-PLL method for frequency sweep
US7155176B2 (en) * 2004-04-08 2006-12-26 Skyworks Solutions, Inc. System for synchronizing a portable transceiver to a network

Also Published As

Publication number Publication date
ES2187305A1 (es) 2003-05-16
BR9915036A (pt) 2001-10-30
CN1342341A (zh) 2002-03-27
US20020127984A1 (en) 2002-09-12
SE0101551D0 (sv) 2001-05-04
WO2000028665A1 (en) 2000-05-18
AU6487099A (en) 2000-05-29
US7113751B2 (en) 2006-09-26
US6400930B1 (en) 2002-06-04
SE0101551L (sv) 2001-07-06

Similar Documents

Publication Publication Date Title
SE524983C2 (sv) Frekvensinställning för radiosändtagare
US5659884A (en) System with automatic compensation for aging and temperature of a crystal oscillator
US7139530B2 (en) Method and apparatus for calibrating a reference oscillator
CA2095216C (en) Receiver with automatic frequency control
EP1900138B1 (en) Synchronization scheme with adaptive reference frequency correction
US5774800A (en) Radio communication apparatus with reference frequency control based on stored characteristic control data
CH675512A5 (pt)
JP3291058B2 (ja) 受信機
US6240147B1 (en) Auto frequency control apparatus
US4271530A (en) Receiver having a frequency synthesizing circuit
JP3050146B2 (ja) デジタル温度補償発振器
EP1193589A1 (en) Method and circuit for deriving a second clock signal from a first clock signal
KR100533876B1 (ko) 디지털 통신 장치
US6052419A (en) Frequency adjusting method for use with digital receiver and frequency adjusting circuit thereof
US6064270A (en) System and method for compensating for reference frequency drift in a communications system
US5900751A (en) Automatic frequency control circuit with simplified circuit constitution
JPH06326740A (ja) 移動無線機
NO172418B (no) Fremgangsmaate og baereboelgeregulerende kobling for en fm-syntetisator for en radiotelefonanordning
JP3184270B2 (ja) 基準信号の周波数校正機能を有する通信装置
JP2001244834A (ja) 通信装置
TW479423B (en) Radio receiving control device and method
JP4692261B2 (ja) 受信装置及び受信周波数の制御方法
EP1555756B1 (en) Radio receiver having adaptive frequency regulator
KR101099837B1 (ko) 다중 경로 수신기에서 자동 주파수 제어 장치
JPH1093432A (ja) 周波数シンセサイザ

Legal Events

Date Code Title Description
NUG Patent has lapsed