FR2356309A1 - Dispositif d'asservissement en phase d'un oscillateur - Google Patents
Dispositif d'asservissement en phase d'un oscillateurInfo
- Publication number
- FR2356309A1 FR2356309A1 FR7718462A FR7718462A FR2356309A1 FR 2356309 A1 FR2356309 A1 FR 2356309A1 FR 7718462 A FR7718462 A FR 7718462A FR 7718462 A FR7718462 A FR 7718462A FR 2356309 A1 FR2356309 A1 FR 2356309A1
- Authority
- FR
- France
- Prior art keywords
- phase control
- control device
- phase
- oscillator
- oscillator 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.)
- Granted
Links
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
- H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
-
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
- H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal
- H03L7/148—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal said digital means comprising a counter or a divider
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Abstract
L'invention a pour objet un dispositif d'asservissement en phase d'un oscillateur de précision, notamment d'un oscillateur à quartz. L'invention présente la particularité que le dispositif comprend deux boucles d'asservissement connectées en parallèle, l'une en mode numérique avec un compteur-mémoire bidirectionnel de commande susceptible d'être positionné par le signal d'erreur de phase, l'autre en mode analogique. La somme des signaux de sortie desdites boucles asservit simultanément la phase dudit oscillateur de précision L'invention trouve des applications dans le domaine des télécommunications et dans celui de la mesure du temps.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH808176A CH615789A5 (fr) | 1976-06-24 | 1976-06-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2356309A1 true FR2356309A1 (fr) | 1978-01-20 |
FR2356309B1 FR2356309B1 (fr) | 1980-03-21 |
Family
ID=4334854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7718462A Granted FR2356309A1 (fr) | 1976-06-24 | 1977-06-16 | Dispositif d'asservissement en phase d'un oscillateur |
Country Status (10)
Country | Link |
---|---|
US (1) | US4107623A (fr) |
JP (1) | JPS531442A (fr) |
CH (1) | CH615789A5 (fr) |
DE (1) | DE2643142A1 (fr) |
FI (1) | FI771927A (fr) |
FR (1) | FR2356309A1 (fr) |
GB (1) | GB1563557A (fr) |
IT (1) | IT1076765B (fr) |
NL (1) | NL7706786A (fr) |
SE (1) | SE7707116L (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2529733A1 (fr) * | 1982-06-30 | 1984-01-06 | Labo Cent Telecommunicat | Dispositif d'asservissement, en frequence, d'une horloge sur un signal exterieur de frequence moyenne tres precise mais comportant une gigue importante |
FR2546691A1 (fr) * | 1983-05-27 | 1984-11-30 | Cit Alcatel | Base de temps asservie |
EP0181658A1 (fr) * | 1984-10-16 | 1986-05-21 | Koninklijke Philips Electronics N.V. | Circuit de synchronisation d'un oscillateur |
EP0351780A2 (fr) * | 1988-07-19 | 1990-01-24 | Fujitsu Limited | Oscillateur à césium |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4151485A (en) * | 1977-11-21 | 1979-04-24 | Rockwell International Corporation | Digital clock recovery circuit |
US4272729A (en) * | 1979-05-10 | 1981-06-09 | Harris Corporation | Automatic pretuning of a voltage controlled oscillator in a frequency synthesizer using successive approximation |
DE2937985A1 (de) * | 1979-09-20 | 1981-04-16 | Robert Bosch Gmbh, 7000 Stuttgart | Mehrkanaliges funksprechgeraet |
DE3027828A1 (de) * | 1980-07-23 | 1982-03-04 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Frequenz/phasenregelschleife |
JPS5825746A (ja) * | 1981-08-10 | 1983-02-16 | Fujitsu Ltd | 搬送波再生回路 |
US4527127A (en) * | 1982-06-30 | 1985-07-02 | Motorola Inc. | Frequency acquisition circuit for phase locked loop |
JPH02502960A (ja) * | 1988-01-13 | 1990-09-13 | プレッシー セミコンダクターズ リミテッド | 周波数合成器 |
GB2229592A (en) * | 1989-03-22 | 1990-09-26 | Philips Electronic Associated | Phase detectors |
US5057793A (en) * | 1989-11-13 | 1991-10-15 | Cowley Nicholas P | Frequency synthesizer PLL having digital and analog phase detectors |
US5028885A (en) * | 1990-08-30 | 1991-07-02 | Motorola, Inc. | Phase-locked loop signal generation system with control maintenance |
US5121086A (en) * | 1991-04-09 | 1992-06-09 | Zenith Electronics Corporation | PLL including static phase error responsive oscillator control |
US5245565A (en) * | 1991-07-31 | 1993-09-14 | International Microelectronic Products | Digitally programmable linear phase filter having phase equalization |
DE4303356A1 (de) * | 1993-02-05 | 1994-08-11 | Philips Patentverwaltung | Digitale Phasenregelschleife |
WO2000039930A1 (fr) * | 1998-12-24 | 2000-07-06 | Koninklijke Philips Electronics N.V. | Boucle a phase asservie et dispositif de lecture et/ou d'ecriture de donnees dans un support d'enregistrement |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3882412A (en) * | 1974-03-29 | 1975-05-06 | North Electric Co | Drift compensated phase lock loop |
-
1976
- 1976-06-24 CH CH808176A patent/CH615789A5/fr not_active IP Right Cessation
- 1976-09-24 DE DE19762643142 patent/DE2643142A1/de not_active Ceased
-
1977
- 1977-06-14 US US05/806,495 patent/US4107623A/en not_active Expired - Lifetime
- 1977-06-15 GB GB24977/77A patent/GB1563557A/en not_active Expired
- 1977-06-16 FR FR7718462A patent/FR2356309A1/fr active Granted
- 1977-06-20 IT IT24871/77A patent/IT1076765B/it active
- 1977-06-20 FI FI771927A patent/FI771927A/fi not_active Application Discontinuation
- 1977-06-20 NL NL7706786A patent/NL7706786A/xx not_active Application Discontinuation
- 1977-06-20 SE SE7707116A patent/SE7707116L/ not_active Application Discontinuation
- 1977-06-24 JP JP7537677A patent/JPS531442A/ja active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2529733A1 (fr) * | 1982-06-30 | 1984-01-06 | Labo Cent Telecommunicat | Dispositif d'asservissement, en frequence, d'une horloge sur un signal exterieur de frequence moyenne tres precise mais comportant une gigue importante |
FR2546691A1 (fr) * | 1983-05-27 | 1984-11-30 | Cit Alcatel | Base de temps asservie |
EP0129098A1 (fr) * | 1983-05-27 | 1984-12-27 | Alcatel Cit | Base de temps asservie |
EP0181658A1 (fr) * | 1984-10-16 | 1986-05-21 | Koninklijke Philips Electronics N.V. | Circuit de synchronisation d'un oscillateur |
EP0351780A2 (fr) * | 1988-07-19 | 1990-01-24 | Fujitsu Limited | Oscillateur à césium |
EP0351780A3 (fr) * | 1988-07-19 | 1990-05-16 | Fujitsu Limited | Oscillateur à césium |
Also Published As
Publication number | Publication date |
---|---|
FI771927A (fr) | 1977-12-25 |
JPS531442A (en) | 1978-01-09 |
SE7707116L (sv) | 1977-12-25 |
CH615789A5 (fr) | 1980-02-15 |
US4107623A (en) | 1978-08-15 |
FR2356309B1 (fr) | 1980-03-21 |
IT1076765B (it) | 1985-04-27 |
NL7706786A (nl) | 1977-12-28 |
GB1563557A (en) | 1980-03-26 |
DE2643142A1 (de) | 1977-12-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2356309A1 (fr) | Dispositif d'asservissement en phase d'un oscillateur | |
EP0348900A3 (fr) | Equipement de mesure de temps de retardement | |
SE430851B (sv) | Vetskestromningsdetektor for alstring av en larmsignal | |
FR2398286A1 (fr) | Compteur electronique pour systemes de mesure incrementaux | |
DE3888038D1 (de) | Optische Reichweitenmessung durch Messen einer Phasenverschiebung. | |
FR2341164A1 (fr) | Dispositif correcteur d'erreur de multiplication analogique notamment pour wattmetre de precision | |
ATE21456T1 (de) | Digitales messgeraet mit fluessigkristallbildschirm. | |
KR890007059A (ko) | 계수형 계측기기의 계수오류 검출장치 | |
SU894590A1 (ru) | Аналоговый тахометр | |
SU1388815A1 (ru) | Измеритель сигналов датчика с низкочастотным выходом | |
SU859953A1 (ru) | Цифровой фазометр | |
SU594464A1 (ru) | Цифровой фазометр | |
SU472299A1 (ru) | Стробоскопический компенсационный измеритель мгновенных значений повтор ющихс сигналов | |
SU418802A1 (fr) | ||
SU1636792A1 (ru) | Устройство дл измерени фазового сдвига | |
SU619868A2 (ru) | Устройство дл измерени частоты сигналов | |
SU601628A1 (ru) | Фазометр | |
SU757993A1 (ru) | Устройство для измерения амплитуды синусоидального напряжения 1 | |
SU443330A1 (ru) | Измеритель фазового сдвига дл фазовых систем автоматического управлени | |
JPS57207828A (en) | Signal converter | |
SU1682937A1 (ru) | Устройство дл измерени скорости движени объекта | |
SU600475A1 (ru) | Двухполупериодный цифровой фазометр | |
DE3676787D1 (de) | Digitale anzeigevorrichtung. | |
SU706818A1 (ru) | Измеритель интервалов времени | |
SU505127A1 (ru) | Измеритель времени переходного процесса установлени частоты |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |