IT1086613B - Sistema per modulare la frequenza - Google Patents

Sistema per modulare la frequenza

Info

Publication number
IT1086613B
IT1086613B IT47815/77A IT4781577A IT1086613B IT 1086613 B IT1086613 B IT 1086613B IT 47815/77 A IT47815/77 A IT 47815/77A IT 4781577 A IT4781577 A IT 4781577A IT 1086613 B IT1086613 B IT 1086613B
Authority
IT
Italy
Prior art keywords
frequency modulation
modulation system
frequency
modulation
Prior art date
Application number
IT47815/77A
Other languages
English (en)
Italian (it)
Original Assignee
Tokyo Shibaura Electric Co
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 Tokyo Shibaura Electric Co filed Critical Tokyo Shibaura Electric Co
Application granted granted Critical
Publication of IT1086613B publication Critical patent/IT1086613B/it

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
    • H03C3/0983—Modifications of modulator for regulating the mean frequency using a phase locked loop containing in the loop a mixer other than for phase detection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/06—Means for changing frequency deviation
    • 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
    • H03C3/0975—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or the reference clock
    • 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
IT47815/77A 1976-01-28 1977-01-27 Sistema per modulare la frequenza IT1086613B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP753176A JPS5291637A (en) 1976-01-28 1976-01-28 Frequency conversion system

Publications (1)

Publication Number Publication Date
IT1086613B true IT1086613B (it) 1985-05-28

Family

ID=11668352

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47815/77A IT1086613B (it) 1976-01-28 1977-01-27 Sistema per modulare la frequenza

Country Status (6)

Country Link
US (1) US4060773A (cg-RX-API-DMAC10.html)
JP (1) JPS5291637A (cg-RX-API-DMAC10.html)
CA (1) CA1073536A (cg-RX-API-DMAC10.html)
DE (1) DE2703566B2 (cg-RX-API-DMAC10.html)
FR (1) FR2352437A1 (cg-RX-API-DMAC10.html)
IT (1) IT1086613B (cg-RX-API-DMAC10.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114110A (en) * 1977-12-01 1978-09-12 The United States Of America As Represented By The Secretary Of The Army Frequency synthesizer
DE2932057A1 (de) * 1979-08-07 1981-02-26 Tavkoezlesi Kutato Intezet Traegerversorgungsvorrichtung fuer relaisstationen im mikrowellenbereich
JPS5854708A (ja) * 1981-09-28 1983-03-31 Nec Corp 無線送信機
CA1341378C (en) * 1984-07-16 2002-07-23 Richard W. Burrier Apparatus and method for frequency modulation
FR2554656B1 (fr) * 1983-11-04 1986-06-27 Lgt Lab Gen Telecomm Emetteur a modulation de frequence applicable a la radiodiffusion fm
US4710970A (en) * 1985-09-11 1987-12-01 Tft, Inc. Method of and apparatus for generating a frequency modulated ultrahigh frequency radio transmission signal
GB8806194D0 (en) * 1988-03-16 1988-04-13 Shaye Communications Ltd Transceivers
DE3814583C1 (cg-RX-API-DMAC10.html) * 1988-04-27 1989-11-23 Krone Ag, 1000 Berlin, De
DE4111920C2 (de) * 1991-04-12 2000-05-18 Daimlerchrysler Aerospace Ag Verfahren und Schaltungsanordnung zur Frequenzstabilisierung durch Frequenzteilung
DE19748913B4 (de) * 1997-02-14 2004-09-30 Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto Sende-Empfangs-Vorrichtung für ein drahtloses Informationszugriffsystem
DE19758762B4 (de) * 1997-02-14 2004-09-30 Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto Drahtloses Informationszugriffssystem
DE19819038C2 (de) * 1998-04-28 2002-01-03 Rohde & Schwarz Frequenzumsetzeranordnung für Hochfrequenzempfänger oder Hochfrequenzgeneratoren
DE19934608C1 (de) * 1999-07-23 2001-05-10 Grundig Ag Modulator und Verfahren zur Erzeugung eines Modulierten HF-Signals
EP2584749B1 (en) * 2011-10-19 2014-09-10 Karlsruher Institut Für Technologie (KIT) Radio communication system, home gateway, bidirectional communication system, and method for stabilising a sideband signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958768A (en) * 1958-11-03 1960-11-01 Avco Mfg Corp Electronic servo system for frequency control
US3319178A (en) * 1965-09-27 1967-05-09 Collins Radio Co Plural loop automatic phase control
US3414842A (en) * 1965-10-21 1968-12-03 Collins Radio Co Frequency modulated reference controlled oscillator
US3361986A (en) * 1966-10-20 1968-01-02 Automatic Elect Lab Low-distortion sweep signal generator with superimposed frequency modulation

Also Published As

Publication number Publication date
CA1073536A (en) 1980-03-11
US4060773A (en) 1977-11-29
FR2352437A1 (fr) 1977-12-16
DE2703566A1 (de) 1977-08-04
DE2703566B2 (de) 1981-06-25
FR2352437B1 (cg-RX-API-DMAC10.html) 1981-07-10
JPS5291637A (en) 1977-08-02

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