DE69702402D1 - Frequenzmodulator - Google Patents

Frequenzmodulator

Info

Publication number
DE69702402D1
DE69702402D1 DE69702402T DE69702402T DE69702402D1 DE 69702402 D1 DE69702402 D1 DE 69702402D1 DE 69702402 T DE69702402 T DE 69702402T DE 69702402 T DE69702402 T DE 69702402T DE 69702402 D1 DE69702402 D1 DE 69702402D1
Authority
DE
Germany
Prior art keywords
frequency modulator
modulator
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 - Lifetime
Application number
DE69702402T
Other languages
English (en)
Other versions
DE69702402T2 (de
Inventor
Christophe Fourtet
Jacques Trichet
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.)
Freescale Semiconducteurs France SAS
Original Assignee
Motorola Semiconducteurs 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 Motorola Semiconducteurs SA filed Critical Motorola Semiconducteurs SA
Publication of DE69702402D1 publication Critical patent/DE69702402D1/de
Application granted granted Critical
Publication of DE69702402T2 publication Critical patent/DE69702402T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69702402T 1996-11-06 1997-11-05 Frequenzmodulator Expired - Lifetime DE69702402T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9613509A FR2755556A1 (fr) 1996-11-06 1996-11-06 Modulateur de frequence, emetteur et emetteur-recepteur incorporant ce modulateur de frequence
PCT/EP1997/006127 WO1998020607A1 (en) 1996-11-06 1997-11-05 Frequency modulator

Publications (2)

Publication Number Publication Date
DE69702402D1 true DE69702402D1 (de) 2000-08-03
DE69702402T2 DE69702402T2 (de) 2001-01-11

Family

ID=9497363

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69702402T Expired - Lifetime DE69702402T2 (de) 1996-11-06 1997-11-05 Frequenzmodulator

Country Status (6)

Country Link
US (1) US6345173B1 (de)
EP (1) EP0937332B1 (de)
JP (1) JP4027429B2 (de)
DE (1) DE69702402T2 (de)
FR (1) FR2755556A1 (de)
WO (1) WO1998020607A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351404B (en) * 1999-06-24 2003-11-12 Nokia Mobile Phones Ltd A transmitter and a modulator therefor
US6526265B1 (en) * 1999-09-14 2003-02-25 Skyworks Solutions, Inc. Wireless transmitter having a modified translation loop architecture
US6564039B1 (en) * 2000-02-29 2003-05-13 Motorola, Inc. Frequency generation circuit and method of operating a tranceiver
DE10046586A1 (de) * 2000-09-20 2002-04-04 Infineon Technologies Ag System und Verfahren zur Datenübertragung
US6693969B1 (en) * 2000-10-11 2004-02-17 Analog Devices, Inc. Phase-locked loop methods and structures for generating modulated communication signals with nonconstant envelopes
US6809598B1 (en) * 2000-10-24 2004-10-26 Texas Instruments Incorporated Hybrid of predictive and closed-loop phase-domain digital PLL architecture
US6823178B2 (en) * 2001-02-14 2004-11-23 Ydi Wireless, Inc. High-speed point-to-point modem-less microwave radio frequency link using direct frequency modulation
DE10110095C1 (de) * 2001-03-02 2002-06-20 Texas Instruments Deutschland Schaltungsanordnung zur Leckstromkompensation in einem spannungsgesteuerten Oszillator einer PLL-Schaltung
FR2824206A1 (fr) * 2001-04-27 2002-10-31 Thomson Csf Procede de generation de modulation par division de frequence suivi de mulitplication de frequence
DE10133514A1 (de) * 2001-07-10 2003-01-30 Siemens Ag Verfahren und Einrichtung zum Erzeugen von Mobilfunksignalen
US7228119B2 (en) * 2002-12-30 2007-06-05 Motorola, Inc. Apparatus and method for a radio frequency (RF) receiver front end pre-selector tuning for improving the reduction in intermodulation distortion (IMD)
JP4045978B2 (ja) * 2003-02-25 2008-02-13 松下電器産業株式会社 デジタル信号送受信機
JP4618554B2 (ja) * 2005-01-27 2011-01-26 サクサ株式会社 Ｆｓｋ変調装置及びそれを備えた無線通信装置
TW200742328A (en) * 2005-12-21 2007-11-01 Koninkl Philips Electronics Nv Blind-slot radio with non-blind-slot scanning mode
US7733980B2 (en) * 2006-07-14 2010-06-08 International Business Machines Corporation Quadrature modulation circuits and systems supporting multiple modulation modes at gigabit data rates
US7535311B2 (en) * 2006-11-30 2009-05-19 Infineon Technologies Ag Direct wideband modulation of a frequency synthesizer
JP2015104053A (ja) * 2013-11-27 2015-06-04 株式会社日立国際電気 無線機及び基地局

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622913A (en) * 1969-10-29 1971-11-23 Rca Corp Frequency modulated phase-locked oscillator having a low- and high-frequency response
US4074209A (en) * 1976-12-13 1978-02-14 Rca Corporation Wide range frequency modulation of narrow loop bandwidth phase-locked oscillators
US4321706A (en) * 1980-07-14 1982-03-23 John Fluke Mfg. Co., Inc. Frequency modulated phase-locked loop signal source
US4447792A (en) * 1981-11-09 1984-05-08 General Electric Company Synthesizer circuit
DE3533222A1 (de) * 1985-09-18 1987-03-19 Schlumberger Messgeraete Gmbh Schaltungsanordnung mit einer gleichspannungsfrequenzmodulierbaren phasenregelschleife
US4969210A (en) * 1988-02-10 1990-11-06 Motorola, Inc. Two-way radio having a PLL
DE69026151T2 (de) * 1989-07-08 1996-08-22 Plessey Semiconductors Ltd Frequenzsynthesizer
DE3939260A1 (de) * 1989-11-28 1991-05-29 Rohde & Schwarz Normalfrequenzgenerator
US5097230A (en) * 1990-05-24 1992-03-17 Emhiser Research Limited Phase locked loop that includes D. C. modulation
DE4214385C1 (de) * 1992-04-30 1993-08-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
US5734302A (en) * 1996-10-07 1998-03-31 Industrial Technology Research Institute DC frequency modulation circuit using two phase locked loops

Also Published As

Publication number Publication date
EP0937332A1 (de) 1999-08-25
FR2755556A1 (fr) 1998-05-07
WO1998020607A1 (en) 1998-05-14
JP4027429B2 (ja) 2007-12-26
US6345173B1 (en) 2002-02-05
DE69702402T2 (de) 2001-01-11
EP0937332B1 (de) 2000-06-28
JP2001506067A (ja) 2001-05-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN