DE2703566B2 - Frequenzmodulationssystem - Google Patents
FrequenzmodulationssystemInfo
- Publication number
- DE2703566B2 DE2703566B2 DE2703566A DE2703566A DE2703566B2 DE 2703566 B2 DE2703566 B2 DE 2703566B2 DE 2703566 A DE2703566 A DE 2703566A DE 2703566 A DE2703566 A DE 2703566A DE 2703566 B2 DE2703566 B2 DE 2703566B2
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- oscillator
- variable
- output
- phase
- 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.)
- Ceased
Links
- 239000013078 crystal Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
Landscapes
- Transmitters (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
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 |
|---|---|
| DE2703566A1 DE2703566A1 (de) | 1977-08-04 |
| DE2703566B2 true DE2703566B2 (de) | 1981-06-25 |
Family
ID=11668352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2703566A Ceased DE2703566B2 (de) | 1976-01-28 | 1977-01-28 | Frequenzmodulationssystem |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4060773A (enExample) |
| JP (1) | JPS5291637A (enExample) |
| CA (1) | CA1073536A (enExample) |
| DE (1) | DE2703566B2 (enExample) |
| FR (1) | FR2352437A1 (enExample) |
| IT (1) | IT1086613B (enExample) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3814583C1 (enExample) * | 1988-04-27 | 1989-11-23 | Krone Ag, 1000 Berlin, De | |
| DE4111920A1 (de) * | 1991-04-12 | 1992-10-15 | Daimler Benz Ag | Verfahren und anordnung zur teilung von mm-wellen-frequenzen |
| DE19819038A1 (de) * | 1998-04-28 | 1999-11-11 | Rohde & Schwarz | Frequenzumsetzeranordnung für Hochfrequenzempfänger oder Hochfrequenzgeneratoren |
| DE3441270C1 (de) * | 1984-07-16 | 2001-04-19 | Raytheon Co | Einrichtung und Verfahren zur Frequenzmodulation in CW-Radargeräten |
| DE19934608C1 (de) * | 1999-07-23 | 2001-05-10 | Grundig Ag | Modulator und Verfahren zur Erzeugung eines Modulierten HF-Signals |
| 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 |
Families Citing this family (7)
| 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 |
| 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 |
| 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)
| 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/en not_active Expired
- 1977-01-28 FR FR7702522A patent/FR2352437A1/fr active Granted
- 1977-01-28 DE DE2703566A patent/DE2703566B2/de not_active Ceased
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3441270C1 (de) * | 1984-07-16 | 2001-04-19 | Raytheon Co | Einrichtung und Verfahren zur Frequenzmodulation in CW-Radargeräten |
| DE3814583C1 (enExample) * | 1988-04-27 | 1989-11-23 | Krone Ag, 1000 Berlin, De | |
| DE4111920A1 (de) * | 1991-04-12 | 1992-10-15 | Daimler Benz Ag | Verfahren und anordnung zur teilung von mm-wellen-frequenzen |
| 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 |
| DE19819038A1 (de) * | 1998-04-28 | 1999-11-11 | Rohde & Schwarz | Frequenzumsetzeranordnung für Hochfrequenzempfänger oder Hochfrequenzgeneratoren |
| 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 |
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 |
| FR2352437B1 (enExample) | 1981-07-10 |
| JPS5291637A (en) | 1977-08-02 |
| IT1086613B (it) | 1985-05-28 |
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| DE965419C (de) | Schaltung zur Mehrkanaluebertragung von Signalen mittels einer frequenzmodulierten Tregerwelle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8263 | Opposition against grant of a patent | ||
| 8235 | Patent refused |