ES2187305A1 - Sintonizacion de frecuencia para transceptores de radio. - Google Patents
Sintonizacion de frecuencia para transceptores de radio.Info
- Publication number
- ES2187305A1 ES2187305A1 ES200150039A ES200150039A ES2187305A1 ES 2187305 A1 ES2187305 A1 ES 2187305A1 ES 200150039 A ES200150039 A ES 200150039A ES 200150039 A ES200150039 A ES 200150039A ES 2187305 A1 ES2187305 A1 ES 2187305A1
- Authority
- ES
- Spain
- Prior art keywords
- frequency
- error
- signal
- clock frequency
- error correction
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 abstract 2
- 238000004891 communication Methods 0.000 abstract 1
Classifications
-
- 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
-
- 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
- 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)
- Transceivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Transmitters (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Un dispositivo de radiocomunicación, que transmite o que recibe una señal a una frecuencia de portadora predeterminada. El dispositivo incluye un oscilador de referencia (24), que genera una frecuencia de reloj que tiene un error de frencuencia de reloj con relación a una frecuencia especificada del mismo, un procesador (22) que estima el error de frecuencia de reloj y descompone el error para determinar componentes aproximada y fina corrección de error, al menos un sintetizador de frecuencia (54, 56, 58,) que responde a la frecuencia de reloj y a la componente de corrección de error aproximada, genera una frecuencia parcialmente corregida con un error de frecuencia residual, cuya frecuencia parcialmente corregida es aplicada para tratar la señal, y circuiteria (27) de tratamiento en banda de base, que aplica la componente fina de corrección de frecuencia residual.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/187,840 US6400930B1 (en) | 1998-11-06 | 1998-11-06 | Frequency tuning for radio transceivers |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2187305A1 true ES2187305A1 (es) | 2003-05-16 |
Family
ID=22690695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES200150039A Pending ES2187305A1 (es) | 1998-11-06 | 1999-11-02 | Sintonizacion de frecuencia para transceptores de radio. |
Country Status (7)
Country | Link |
---|---|
US (2) | US6400930B1 (es) |
CN (1) | CN1342341A (es) |
AU (1) | AU6487099A (es) |
BR (1) | BR9915036A (es) |
ES (1) | ES2187305A1 (es) |
SE (1) | SE524983C2 (es) |
WO (1) | WO2000028665A1 (es) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6400930B1 (en) * | 1998-11-06 | 2002-06-04 | Dspc Israel, Ltd. | Frequency tuning for radio transceivers |
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 |
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 |
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 |
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 |
EP1964029B1 (en) * | 2005-12-22 | 2011-07-20 | LG Innotek Co., Ltd. | 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 |
WO2008099735A1 (ja) * | 2007-02-14 | 2008-08-21 | Nec Corporation | 位相雑音補正装置及びその方法 |
WO2010014875A1 (en) * | 2008-08-01 | 2010-02-04 | 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 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5517678A (en) * | 1988-11-02 | 1996-05-14 | Deutsche Thomson-Brandt Gmbh | Satellite radio receiver |
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 |
US5604468A (en) * | 1996-04-22 | 1997-02-18 | Motorola, Inc. | Frequency synthesizer with temperature compensation and frequency multiplication and method of providing the same |
WO1997044898A1 (en) * | 1996-05-24 | 1997-11-27 | International Business Machines Corporation | An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio |
GB2320628A (en) * | 1996-12-18 | 1998-06-24 | Nec Technologies | Hybrid reference frequency correction system |
EP0946010A2 (en) * | 1998-03-23 | 1999-09-29 | Pioneer Electronic Corporation | Receiver for receiving digital broadcast programmes |
Family Cites Families (29)
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 |
CA1259378A (en) * | 1985-09-19 | 1989-09-12 | Noriaki Omoto | 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 |
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 |
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 |
US5731743A (en) * | 1996-10-07 | 1998-03-24 | David Sarnoff Research Center, Inc. | Frequency synthesizer having phase error feedback for waveform selection |
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 |
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 |
US7092043B2 (en) * | 1998-11-12 | 2006-08-15 | Broadcom Corporation | Fully 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 |
-
1998
- 1998-11-06 US US09/187,840 patent/US6400930B1/en not_active Expired - Lifetime
-
1999
- 1999-11-02 CN CN99815433A patent/CN1342341A/zh active Pending
- 1999-11-02 ES ES200150039A patent/ES2187305A1/es active Pending
- 1999-11-02 AU AU64870/99A patent/AU6487099A/en not_active Abandoned
- 1999-11-02 WO PCT/IL1999/000582 patent/WO2000028665A1/en not_active Application Discontinuation
- 1999-11-02 BR BR9915036-0A patent/BR9915036A/pt not_active Application Discontinuation
-
2001
- 2001-05-04 SE SE0101551A patent/SE524983C2/sv not_active IP Right Cessation
-
2002
- 2002-05-06 US US10/138,245 patent/US7113751B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5517678A (en) * | 1988-11-02 | 1996-05-14 | Deutsche Thomson-Brandt Gmbh | Satellite radio receiver |
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 |
US5604468A (en) * | 1996-04-22 | 1997-02-18 | Motorola, Inc. | Frequency synthesizer with temperature compensation and frequency multiplication and method of providing the same |
WO1997044898A1 (en) * | 1996-05-24 | 1997-11-27 | International Business Machines Corporation | An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio |
GB2320628A (en) * | 1996-12-18 | 1998-06-24 | Nec Technologies | Hybrid reference frequency correction system |
EP0946010A2 (en) * | 1998-03-23 | 1999-09-29 | Pioneer Electronic Corporation | Receiver for receiving digital broadcast programmes |
Also Published As
Publication number | Publication date |
---|---|
SE0101551L (sv) | 2001-07-06 |
CN1342341A (zh) | 2002-03-27 |
US6400930B1 (en) | 2002-06-04 |
SE0101551D0 (sv) | 2001-05-04 |
AU6487099A (en) | 2000-05-29 |
WO2000028665A1 (en) | 2000-05-18 |
SE524983C2 (sv) | 2004-11-02 |
US20020127984A1 (en) | 2002-09-12 |
US7113751B2 (en) | 2006-09-26 |
BR9915036A (pt) | 2001-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 20030516 Kind code of ref document: A1 |
|
FC2A | Grant refused |
Effective date: 20050119 |