CH615789A5 - - Google Patents
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- Publication number
- CH615789A5 CH615789A5 CH808176A CH808176A CH615789A5 CH 615789 A5 CH615789 A5 CH 615789A5 CH 808176 A CH808176 A CH 808176A CH 808176 A CH808176 A CH 808176A CH 615789 A5 CH615789 A5 CH 615789A5
- Authority
- CH
- Switzerland
- Prior art keywords
- phase
- loop
- gain
- mode
- control
- Prior art date
Links
- 230000015654 memory Effects 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 239000010453 quartz Substances 0.000 description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 35
- 230000010355 oscillation Effects 0.000 description 9
- 229910052792 caesium Inorganic materials 0.000 description 8
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000032683 aging Effects 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 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)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH808176A CH615789A5 (cs) | 1976-06-24 | 1976-06-24 | |
DE19762643142 DE2643142A1 (de) | 1976-06-24 | 1976-09-24 | Vorrichtung zur phasenregelung eines oszillators |
US05/806,495 US4107623A (en) | 1976-06-24 | 1977-06-14 | Parallel analog and digital control loops for phase locking precision oscillator to reference oscillator |
GB24977/77A GB1563557A (en) | 1976-06-24 | 1977-06-15 | Device for phase control between a precision oscillator and a reference oscillator |
FR7718462A FR2356309A1 (fr) | 1976-06-24 | 1977-06-16 | Dispositif d'asservissement en phase d'un oscillateur |
NL7706786A NL7706786A (nl) | 1976-06-24 | 1977-06-20 | Inrichting voor regeling val de fase van een oscillatgr. |
FI771927A FI771927A (cs) | 1976-06-24 | 1977-06-20 | |
IT24871/77A IT1076765B (it) | 1976-06-24 | 1977-06-20 | Dispositivo di asservimento in fase di un oscillatore |
SE7707116A SE7707116L (sv) | 1976-06-24 | 1977-06-20 | Anordning for fasreglering av en oscillator |
JP7537677A JPS531442A (en) | 1976-06-24 | 1977-06-24 | Phase controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH808176A CH615789A5 (cs) | 1976-06-24 | 1976-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH615789A5 true CH615789A5 (cs) | 1980-02-15 |
Family
ID=4334854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH808176A CH615789A5 (cs) | 1976-06-24 | 1976-06-24 |
Country Status (10)
Country | Link |
---|---|
US (1) | US4107623A (cs) |
JP (1) | JPS531442A (cs) |
CH (1) | CH615789A5 (cs) |
DE (1) | DE2643142A1 (cs) |
FI (1) | FI771927A (cs) |
FR (1) | FR2356309A1 (cs) |
GB (1) | GB1563557A (cs) |
IT (1) | IT1076765B (cs) |
NL (1) | NL7706786A (cs) |
SE (1) | SE7707116L (cs) |
Families Citing this family (18)
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 |
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 |
US4527127A (en) * | 1982-06-30 | 1985-07-02 | Motorola Inc. | Frequency acquisition circuit for phase locked loop |
FR2546691B1 (fr) * | 1983-05-27 | 1985-07-05 | Cit Alcatel | Base de temps asservie |
EP0181658B1 (en) * | 1984-10-16 | 1990-06-27 | Koninklijke Philips Electronics N.V. | Synchronizing circuit for an oscillator |
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 |
JPH0761013B2 (ja) * | 1988-07-19 | 1995-06-28 | 富士通株式会社 | セシウム原子発振器 |
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 (en) * | 1998-12-24 | 2000-07-06 | Koninklijke Philips Electronics N.V. | Phase-locked loop and device for reading and/or writing information from/onto a record carrier |
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 FI FI771927A patent/FI771927A/fi not_active Application Discontinuation
- 1977-06-20 NL NL7706786A patent/NL7706786A/xx not_active Application Discontinuation
- 1977-06-20 IT IT24871/77A patent/IT1076765B/it active
- 1977-06-20 SE SE7707116A patent/SE7707116L/ not_active Application Discontinuation
- 1977-06-24 JP JP7537677A patent/JPS531442A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS531442A (en) | 1978-01-09 |
US4107623A (en) | 1978-08-15 |
SE7707116L (sv) | 1977-12-25 |
FR2356309B1 (cs) | 1980-03-21 |
DE2643142A1 (de) | 1977-12-29 |
FI771927A (cs) | 1977-12-25 |
FR2356309A1 (fr) | 1978-01-20 |
NL7706786A (nl) | 1977-12-28 |
IT1076765B (it) | 1985-04-27 |
GB1563557A (en) | 1980-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |