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FR2845840B1 - Dispositif radiofrequence du type a frequence intermediaire nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliquee a un oscillateur local integre. - Google Patents

Dispositif radiofrequence du type a frequence intermediaire nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliquee a un oscillateur local integre.

Info

Publication number
FR2845840B1
FR2845840B1 FR0212743A FR0212743A FR2845840B1 FR 2845840 B1 FR2845840 B1 FR 2845840B1 FR 0212743 A FR0212743 A FR 0212743A FR 0212743 A FR0212743 A FR 0212743A FR 2845840 B1 FR2845840 B1 FR 2845840B1
Authority
FR
France
Prior art keywords
zero
parasite
local oscillator
frequency
modulation applied
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 - Fee Related
Application number
FR0212743A
Other languages
English (en)
Other versions
FR2845840A1 (fr
Inventor
Philippe Cathelin
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR0212743A priority Critical patent/FR2845840B1/fr
Priority to EP03808753A priority patent/EP1561280A2/fr
Priority to US10/531,501 priority patent/US20060217077A1/en
Priority to PCT/FR2003/002956 priority patent/WO2004036750A2/fr
Publication of FR2845840A1 publication Critical patent/FR2845840A1/fr
Application granted granted Critical
Publication of FR2845840B1 publication Critical patent/FR2845840B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
FR0212743A 2002-10-14 2002-10-14 Dispositif radiofrequence du type a frequence intermediaire nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliquee a un oscillateur local integre. Expired - Fee Related FR2845840B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0212743A FR2845840B1 (fr) 2002-10-14 2002-10-14 Dispositif radiofrequence du type a frequence intermediaire nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliquee a un oscillateur local integre.
EP03808753A EP1561280A2 (fr) 2002-10-14 2003-10-08 Dispositif radiofrequence du type a frequence intermediare nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliqueee a un oscillateur local integre
US10/531,501 US20060217077A1 (en) 2002-10-14 2003-10-08 Radio frequency device with null or quasi-null intermediate frequency minimizing interfering frequency modulation applied to an integrated local oscillator
PCT/FR2003/002956 WO2004036750A2 (fr) 2002-10-14 2003-10-08 Dispositif radiofrequence du type a frequence intermediare nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliqueee a un oscillateur local integre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0212743A FR2845840B1 (fr) 2002-10-14 2002-10-14 Dispositif radiofrequence du type a frequence intermediaire nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliquee a un oscillateur local integre.

Publications (2)

Publication Number Publication Date
FR2845840A1 FR2845840A1 (fr) 2004-04-16
FR2845840B1 true FR2845840B1 (fr) 2005-09-16

Family

ID=32039703

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0212743A Expired - Fee Related FR2845840B1 (fr) 2002-10-14 2002-10-14 Dispositif radiofrequence du type a frequence intermediaire nulle ou quasi-nulle minimisant la modulation frequentielle parasite appliquee a un oscillateur local integre.

Country Status (4)

Country Link
US (1) US20060217077A1 (fr)
EP (1) EP1561280A2 (fr)
FR (1) FR2845840B1 (fr)
WO (1) WO2004036750A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7409192B2 (en) 2005-07-21 2008-08-05 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for frequency synthesis in direct-conversion transmitters
US7869781B2 (en) 2006-12-06 2011-01-11 Broadcom Corporation Method and system for mitigating the effects of pulling in multiple phase locked loops in multi-standard systems
US20130271229A1 (en) * 2012-04-12 2013-10-17 Marvell World Trade Ltd. Method and apparatus for local oscillator
CN109889195A (zh) * 2019-01-31 2019-06-14 西南电子技术研究所（中国电子科技集团公司第十研究所） 锁频环辅助锁相环快速锁定方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8903799D0 (sv) * 1989-11-13 1989-11-13 Ericsson Telefon Ab L M Foerfarande och anordning foer att variera slingbandbredden hos en faslaast slinga
US5180993A (en) * 1990-01-15 1993-01-19 Telefonaktiebolaget L M Ericsson Method and arrangement for frequency synthesis
US5353311A (en) * 1992-01-09 1994-10-04 Nec Corporation Radio transmitter
US5317284A (en) * 1993-02-08 1994-05-31 Hughes Aircraft Company Wide band, low noise, fine step tuning, phase locked loop frequency synthesizer
US5436599A (en) * 1993-04-23 1995-07-25 Motorola, Inc. Method and apparatus for digital modulation using pulse addition
US5535432A (en) * 1994-09-14 1996-07-09 Ericsson Ge Mobile Communications Inc. Dual-mode satellite/cellular phone with a frequency synthesizer
FI112133B (fi) * 1996-03-29 2003-10-31 Nokia Corp Menetelmä kahdella eri taajuuusalueella toimivan radioviestinjärjestelmän suoramuunnoslähetin/vastaanottimen taajuuksien muodostamiseksi ja kahdella taajuusalueella toimivan radioviestinjärjestelmänsuoramuunnoslähetin/vastaanotin sekä edellisten käyttö matkaviestimessä
FI100286B (fi) * 1996-04-01 1997-10-31 Nokia Mobile Phones Ltd Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella
US6417703B1 (en) * 1996-09-25 2002-07-09 Anritsu Company Frequency synthesizer using a ratio sum topology
US6009312A (en) * 1997-02-05 1999-12-28 Ericsson Inc. Transmit signal generation with the aid of a receiver
CN1153352C (zh) * 1997-03-18 2004-06-09 皇家菲利浦电子有限公司 接收机调谐系统
US6308048B1 (en) * 1997-11-19 2001-10-23 Ericsson Inc. Simplified reference frequency distribution in a mobile phone
DE19913110C1 (de) * 1999-03-23 2000-11-16 Siemens Ag Frequenzsynthesizer
FR2798790B1 (fr) * 1999-09-17 2002-05-24 Itis Dispositif de synthese de frequence
US6931243B2 (en) * 2001-12-21 2005-08-16 Texas Instruments Incorporated Fully integrated low noise multi-loop synthesizer with fine frequency resolution for HDD read channel and RF wireless local oscillator applications
US6946884B2 (en) * 2002-04-25 2005-09-20 Agere Systems Inc. Fractional-N baseband frequency synthesizer in bluetooth applications
US6753711B2 (en) * 2002-06-26 2004-06-22 Comtech Ef Data Digital summing phase-lock loop circuit with sideband control and method therefor
JP2004056409A (ja) * 2002-07-19 2004-02-19 Ando Electric Co Ltd 分数分周器を用いた位相同期ループ回路

Also Published As

Publication number Publication date
WO2004036750A2 (fr) 2004-04-29
WO2004036750A3 (fr) 2004-06-10
US20060217077A1 (en) 2006-09-28
FR2845840A1 (fr) 2004-04-16
EP1561280A2 (fr) 2005-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070629