FR2352437A1 - Dispositif de modulation de frequence - Google Patents
Dispositif de modulation de frequenceInfo
- Publication number
- FR2352437A1 FR2352437A1 FR7702522A FR7702522A FR2352437A1 FR 2352437 A1 FR2352437 A1 FR 2352437A1 FR 7702522 A FR7702522 A FR 7702522A FR 7702522 A FR7702522 A FR 7702522A FR 2352437 A1 FR2352437 A1 FR 2352437A1
- Authority
- FR
- France
- Prior art keywords
- frequency modulation
- modulation device
- frequency
- modulation
- 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
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP753176A JPS5291637A (en) | 1976-01-28 | 1976-01-28 | Frequency conversion system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2352437A1 true FR2352437A1 (fr) | 1977-12-16 |
FR2352437B1 FR2352437B1 (fr) | 1981-07-10 |
Family
ID=11668352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7702522A Granted FR2352437A1 (fr) | 1976-01-28 | 1977-01-28 | Dispositif de modulation de frequence |
Country Status (6)
Country | Link |
---|---|
US (1) | US4060773A (fr) |
JP (1) | JPS5291637A (fr) |
CA (1) | CA1073536A (fr) |
DE (1) | DE2703566B2 (fr) |
FR (1) | FR2352437A1 (fr) |
IT (1) | IT1086613B (fr) |
Families Citing this family (14)
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 (fr) * | 1984-07-16 | 2002-07-23 | Richard W. Burrier | Dispositif et procede de modulation de la frequence |
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 (fr) * | 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 |
DE19758762B4 (de) * | 1997-02-14 | 2004-09-30 | Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto | Drahtloses Informationszugriffssystem |
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 |
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 (fr) * | 2011-10-19 | 2014-09-10 | Karlsruher Institut Für Technologie (KIT) | Système de communication radio, passerelle d'accueil, système de communication bidirectionnel et procédé pour stabiliser un signal à bandes latérales |
Family Cites Families (4)
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 |
-
1976
- 1976-01-28 JP JP753176A patent/JPS5291637A/ja active Pending
-
1977
- 1977-01-24 US US05/761,813 patent/US4060773A/en not_active Expired - Lifetime
- 1977-01-27 IT IT47815/77A patent/IT1086613B/it active
- 1977-01-28 CA CA270,618A patent/CA1073536A/fr not_active Expired
- 1977-01-28 FR FR7702522A patent/FR2352437A1/fr active Granted
- 1977-01-28 DE DE2703566A patent/DE2703566B2/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
IT1086613B (it) | 1985-05-28 |
US4060773A (en) | 1977-11-29 |
DE2703566B2 (de) | 1981-06-25 |
JPS5291637A (en) | 1977-08-02 |
DE2703566A1 (de) | 1977-08-04 |
CA1073536A (fr) | 1980-03-11 |
FR2352437B1 (fr) | 1981-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |