FR2454219A1 - Modulateur de frequence - Google Patents

Modulateur de frequence

Info

Publication number
FR2454219A1
FR2454219A1 FR8007181A FR8007181A FR2454219A1 FR 2454219 A1 FR2454219 A1 FR 2454219A1 FR 8007181 A FR8007181 A FR 8007181A FR 8007181 A FR8007181 A FR 8007181A FR 2454219 A1 FR2454219 A1 FR 2454219A1
Authority
FR
France
Prior art keywords
frequency
oscillator
frequency modulator
phase
vco
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.)
Granted
Application number
FR8007181A
Other languages
English (en)
Other versions
FR2454219B1 (fr
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2454219A1 publication Critical patent/FR2454219A1/fr
Application granted granted Critical
Publication of FR2454219B1 publication Critical patent/FR2454219B1/fr
Expired 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
    • H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • 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
    • H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
    • H03C3/0925—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop applying frequency modulation at the divider in the feedback loop
    • 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
    • H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037—Functional aspects of modulators
    • H03C2200/0075—FM modulation down to DC

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)

Abstract

L'INVENTION CONCERNE UN MODULATEUR DE FREQUENCE. DANS CE MODULATEUR DE FREQUENCE CONSTITUE PAR UN OSCILLATEUR A OSCILLATIONS LIBRES, VCO DONT LA FREQUENCE PEUT ETRE MODULEE, ET DONT LA FREQUENCE DE SORTIE F EST STABILISEE AU MOYEN D'UNE OSCILLATION DE REFERENCE F REF PAR L'INTERMEDIAIRE D'UNE BOUCLE DE REGULATION DE PHASE COMPORTANT UN COMPARATEUR DE PHASE P ET UN FILTRE DE BOUCLE TP, LE SIGNAL DE MODULATION TDM EST ENVOYE A L'ENTREE DE COMMANDE E DE L'OSCILLATEUR VCO AUSSI BIEN DIRECTEMENT PAR UN FILTRE DE MODULATION MTP, QUE, INDIRECTEMENT, PAR LA BOUCLE DE REGULATION DE PHASE, ET CE AU MOYEN D'UN DIVISEUR DE FREQUENCE FT DISPOSE DANS LA LIAISON ENTRE L'OSCILLATEUR ET LE COMPARATEUR DE PHASE P ET DONT LE RAPPORT DE DIVISION PEUT ETRE COMMANDE. APPLICATION NOTAMMENT AUX TRANSMISSIONS DE SIGNAUX DE TELEGRAPHIE ET DE SIGNAUX DE TELESCRIPTEURS.
FR8007181A 1979-04-11 1980-03-31 Modulateur de frequence Expired FR2454219B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792914814 DE2914814A1 (de) 1979-04-11 1979-04-11 Frequenzmodulator

Publications (2)

Publication Number Publication Date
FR2454219A1 true FR2454219A1 (fr) 1980-11-07
FR2454219B1 FR2454219B1 (fr) 1985-10-04

Family

ID=6068147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8007181A Expired FR2454219B1 (fr) 1979-04-11 1980-03-31 Modulateur de frequence

Country Status (12)

Country Link
US (1) US4308508A (fr)
JP (1) JPS55140305A (fr)
BE (1) BE882756A (fr)
CA (1) CA1158324A (fr)
CH (1) CH652879A5 (fr)
DE (1) DE2914814A1 (fr)
FR (1) FR2454219B1 (fr)
GB (1) GB2046541B (fr)
IL (1) IL59799A (fr)
IT (1) IT1141536B (fr)
NL (1) NL8002148A (fr)
SE (1) SE8002675L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511564A1 (fr) * 1981-08-17 1983-02-18 Thomson Csf Synthetiseur de frequences a division fractionnaire, utilise pour une modulation angulaire numerique

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015484A1 (de) * 1980-04-22 1981-10-29 Siemens AG, 1000 Berlin und 8000 München Verfahren zur frequenzstabilisierung eines hochfrequenten freischwingenden oszillators
DE50124T1 (de) * 1980-05-01 1983-01-05 General Electric Co., Schenectady, N.Y. Anordnung zur frequenzmodulation eines frequenzsynthesierers mit phasenstarrer schleife.
US4481489A (en) * 1981-07-02 1984-11-06 Motorola Inc. Binary signal modulating circuitry for frequency modulated transmitters
JPS58125940A (ja) * 1982-01-21 1983-07-27 Matsushita Electric Ind Co Ltd マイクロ波変調回路
JPS58186249A (ja) * 1982-04-23 1983-10-31 Nippon Telegr & Teleph Corp <Ntt> 自動周波数制御方式
GB8313616D0 (en) * 1983-05-17 1983-06-22 Marconi Instruments Ltd Signal generators
GB2140234B (en) * 1983-05-17 1986-07-23 Marconi Instruments Ltd Signal generators
US4562414A (en) * 1983-12-27 1985-12-31 Motorola, Inc. Digital frequency modulation system and method
DE3716061C2 (de) * 1987-05-14 1997-01-23 Daimler Benz Aerospace Ag Modulator zur Erzeugung eines frequenzmodulierten HF-Signals
US4810977A (en) * 1987-12-22 1989-03-07 Hewlett-Packard Company Frequency modulation in phase-locked loops
EP0332087A1 (fr) * 1988-03-09 1989-09-13 Siemens Aktiengesellschaft Modulateur de fréquence
DE69026151T2 (de) * 1989-07-08 1996-08-22 Plessey Semiconductors Ltd Frequenzsynthesizer
GB8915719D0 (en) * 1989-07-08 1989-08-31 Plessey Co Plc Wide bandwidth direct synthesiser modulation
GB2237157A (en) * 1989-10-20 1991-04-24 Marconi Instruments Ltd Control of frequency modulators
GB2282284B (en) * 1993-09-28 1998-01-21 Plessey Semiconductors Ltd Modulators
GB2317512B (en) * 1996-09-12 2001-01-24 Nokia Mobile Phones Ltd Frequency modulation using a phase-locked loop
US6028411A (en) * 1997-01-29 2000-02-22 Seagate Technology, Inc. Circuit and method for modulating the commutation frequency of a disc drive motor
GB2339349B (en) * 1997-01-29 2000-10-18 Seagate Technology A method and apparatus for controlling a motor in a disc drive by modulating the commutation angle
US6253068B1 (en) * 1997-05-09 2001-06-26 Micrel, Incorporated Fully integrated all-CMOS AM transmitter with automatic antenna tuning
US6658239B1 (en) * 1997-05-09 2003-12-02 Micrel Incorporated Fully integrated ALL-CMOS AM transmitter with automatic antenna tuning
EP0961412B1 (fr) * 1998-05-29 2004-10-06 Motorola Semiconducteurs S.A. Synthétiseur de fréquence
CA2281522C (fr) 1999-09-10 2004-12-07 Philsar Electronics Inc. Schema de modulation angulaire delta-sigma a deux points
GB0218166D0 (en) * 2002-08-06 2002-09-11 Mbda Uk Ltd Waveform lineariser
US6909331B2 (en) * 2002-08-28 2005-06-21 Qualcomm Incorporated Phase locked loop having a forward gain adaptation module
US6670861B1 (en) * 2002-08-29 2003-12-30 Analog Devices, Inc. Method of modulation gain calibration and system thereof
US7706495B2 (en) * 2004-03-12 2010-04-27 Panasonic Corporation Two-point frequency modulation apparatus
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
JP2007221773A (ja) 2006-01-19 2007-08-30 Matsushita Electric Ind Co Ltd Ｐｌｌ変調回路、無線送信装置及び無線通信装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2250226A1 (en) * 1973-11-07 1975-05-30 Cit Alcatel Logic signal controlled frequency modulator - signals are applied to variable oscillator through digital analogue converter
FR2256582A1 (fr) * 1973-12-27 1975-07-25 Trt Telecom Radio Electr
US4068199A (en) * 1976-12-23 1978-01-10 Gte Sylvania Incorporated Digital phase-locked loop frequency modulator
FR2382796A1 (fr) * 1977-03-03 1978-09-29 Adret Electronique Oscillateur module en frequence, comportant une boucle d'asservissement de phase dont l'action sur la modulation est compensee

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1594611A (fr) * 1968-09-30 1970-06-08
DE2055998C3 (de) * 1970-11-13 1975-09-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur Frequenzregelung eines Oszillators
US3805192A (en) * 1972-08-09 1974-04-16 Electronic Communications Frequency modulator-variable frequency generator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2250226A1 (en) * 1973-11-07 1975-05-30 Cit Alcatel Logic signal controlled frequency modulator - signals are applied to variable oscillator through digital analogue converter
FR2256582A1 (fr) * 1973-12-27 1975-07-25 Trt Telecom Radio Electr
US4068199A (en) * 1976-12-23 1978-01-10 Gte Sylvania Incorporated Digital phase-locked loop frequency modulator
FR2382796A1 (fr) * 1977-03-03 1978-09-29 Adret Electronique Oscillateur module en frequence, comportant une boucle d'asservissement de phase dont l'action sur la modulation est compensee

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511564A1 (fr) * 1981-08-17 1983-02-18 Thomson Csf Synthetiseur de frequences a division fractionnaire, utilise pour une modulation angulaire numerique
EP0073699A1 (fr) * 1981-08-17 1983-03-09 Thomson-Csf Synthétiseur de fréquences â division fractionnaire, utilisé pour une modulation angulaire numérique
US4492936A (en) * 1981-08-17 1985-01-08 Thomson-Csf Fractional-division frequency synthesizer for digital angle-modulation

Also Published As

Publication number Publication date
IT8021251A0 (it) 1980-04-09
NL8002148A (nl) 1980-10-14
US4308508A (en) 1981-12-29
DE2914814C2 (fr) 1988-01-07
GB2046541B (en) 1983-11-02
DE2914814A1 (de) 1980-10-30
BE882756A (fr) 1980-10-13
CA1158324A (fr) 1983-12-06
IL59799A0 (en) 1980-06-30
GB2046541A (en) 1980-11-12
IT1141536B (it) 1986-10-01
JPS55140305A (en) 1980-11-01
SE8002675L (sv) 1980-10-12
CH652879A5 (de) 1985-11-29
IL59799A (en) 1982-07-30
FR2454219B1 (fr) 1985-10-04

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ST Notification of lapse