FR2840483B1 - Systeme et procede de modulation de frequence - Google Patents

Systeme et procede de modulation de frequence

Info

Publication number
FR2840483B1
FR2840483B1 FR0306480A FR0306480A FR2840483B1 FR 2840483 B1 FR2840483 B1 FR 2840483B1 FR 0306480 A FR0306480 A FR 0306480A FR 0306480 A FR0306480 A FR 0306480A FR 2840483 B1 FR2840483 B1 FR 2840483B1
Authority
FR
France
Prior art keywords
frequency modulation
modulation
frequency
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
FR0306480A
Other languages
English (en)
Other versions
FR2840483A1 (fr
Inventor
Peter Edward Chadwick
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.)
Microsemi Semiconductor Ltd
Original Assignee
Zarlink Semiconductor 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 Zarlink Semiconductor Ltd filed Critical Zarlink Semiconductor Ltd
Publication of FR2840483A1 publication Critical patent/FR2840483A1/fr
Application granted granted Critical
Publication of FR2840483B1 publication Critical patent/FR2840483B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • 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
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • 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
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
FR0306480A 2002-05-31 2003-05-28 Systeme et procede de modulation de frequence Expired - Fee Related FR2840483B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0212727A GB2389252B (en) 2002-05-31 2002-05-31 A frequency modulation system & method

Publications (2)

Publication Number Publication Date
FR2840483A1 FR2840483A1 (fr) 2003-12-05
FR2840483B1 true FR2840483B1 (fr) 2006-08-11

Family

ID=9937883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0306480A Expired - Fee Related FR2840483B1 (fr) 2002-05-31 2003-05-28 Systeme et procede de modulation de frequence

Country Status (5)

Country Link
US (1) US6809585B2 (fr)
JP (1) JP2004007704A (fr)
DE (1) DE10324614B4 (fr)
FR (1) FR2840483B1 (fr)
GB (1) GB2389252B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4656836B2 (ja) * 2003-12-19 2011-03-23 パナソニック株式会社 同期クロック生成装置及び同期クロック生成方法
US7215215B2 (en) * 2004-03-15 2007-05-08 Matsushita Electric Industrial Co., Ltd. Phase modulation apparatus, polar modulation transmission apparatus, wireless transmission apparatus and wireless communication apparatus
JP4879548B2 (ja) * 2005-09-30 2012-02-22 株式会社ダイヘン 高周波電源装置
EP1936898A1 (fr) 2005-11-10 2008-06-25 Matsushita Electric Industrial Co., Ltd. Dispositif de communication sans fil et dispositif de modulation de phase
US7826811B2 (en) 2005-11-10 2010-11-02 Panasonic Corporation Phase modulation apparatus and wireless communication apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110707A (en) * 1976-12-13 1978-08-29 Texas Instruments Incorporated Indirect FM modulation scheme using phase locked loop
EP0050124A4 (fr) * 1980-05-01 1982-09-03 Gen Electric Dispositif de modulation d'angle d'un synthetiseur de frequence a boucle a phase verrouillee.
US4497331A (en) 1982-08-11 1985-02-05 Tmci, Inc. Tobacco product with high filling power and process of making same
US4688003A (en) * 1986-10-03 1987-08-18 Sanders Associates, Inc. Feed-forward error correction for sandaps and other phase-locked loops
GB8915719D0 (en) * 1989-07-08 1989-08-31 Plessey Co Plc Wide bandwidth direct synthesiser modulation
JP2953854B2 (ja) * 1992-01-27 1999-09-27 日本電気株式会社 Ｆｍ復調回路
US5576666A (en) * 1993-11-12 1996-11-19 Nippondenso Technical Center Usa, Inc. Fractional-N frequency synthesizer with temperature compensation
US5483203A (en) * 1994-11-01 1996-01-09 Motorola, Inc. Frequency synthesizer having modulation deviation correction via presteering stimulus
GB2330258B (en) * 1997-10-07 2001-06-20 Nec Technologies Phase locked loop circuit
US5952895A (en) * 1998-02-23 1999-09-14 Tropian, Inc. Direct digital synthesis of precise, stable angle modulated RF signal
EP0961412B1 (fr) * 1998-05-29 2004-10-06 Motorola Semiconducteurs S.A. Synthétiseur de fréquence

Also Published As

Publication number Publication date
GB2389252A (en) 2003-12-03
FR2840483A1 (fr) 2003-12-05
US6809585B2 (en) 2004-10-26
JP2004007704A (ja) 2004-01-08
GB2389252B (en) 2006-09-27
DE10324614B4 (de) 2012-05-31
US20030227331A1 (en) 2003-12-11
DE10324614A1 (de) 2003-12-18
GB0212727D0 (en) 2002-07-10

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Legal Events

Date Code Title Description
RM Correction of a material error
ST Notification of lapse

Effective date: 20130131