FI844499L - ANORDNING FOER STABILIZERING AV EN FRAON EN FREKVENSGENERATOR, SPECIELLT EN KVARTSGENERATOR, AVGIVEN FREKVENS. - Google Patents
ANORDNING FOER STABILIZERING AV EN FRAON EN FREKVENSGENERATOR, SPECIELLT EN KVARTSGENERATOR, AVGIVEN FREKVENS.Info
- Publication number
- FI844499L FI844499L FI844499A FI844499A FI844499L FI 844499 L FI844499 L FI 844499L FI 844499 A FI844499 A FI 844499A FI 844499 A FI844499 A FI 844499A FI 844499 L FI844499 L FI 844499L
- Authority
- FI
- Finland
- Prior art keywords
- kvartsgenerator
- frekvensgenerator
- frekvens
- avgiven
- speciellt
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
- H03L1/023—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes
- H03L1/025—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes and a memory for digitally storing correction values
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/2033—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature details of the sensing element
- G05D23/2036—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature details of the sensing element the sensing element being a dielectric of a capacitor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833341780 DE3341780A1 (en) | 1983-11-18 | 1983-11-18 | Arrangement for stabilising the frequency emitted by a frequency generator, especially a crystal generator |
DE3414955 | 1984-04-19 | ||
DE3418003 | 1984-05-15 | ||
DE3418004 | 1984-05-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI844499A0 FI844499A0 (en) | 1984-11-16 |
FI844499L true FI844499L (en) | 1985-05-19 |
Family
ID=27433026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI844499A FI844499L (en) | 1983-11-18 | 1984-11-16 | ANORDNING FOER STABILIZERING AV EN FRAON EN FREKVENSGENERATOR, SPECIELLT EN KVARTSGENERATOR, AVGIVEN FREKVENS. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0142826B1 (en) |
DE (1) | DE3482086D1 (en) |
FI (1) | FI844499L (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2620878B1 (en) * | 1987-09-22 | 1995-07-21 | Thomson Csf | QUARTZ OSCILLATOR SERVED IN FREQUENCY THERMAL EFFECT |
DE3841277A1 (en) * | 1988-12-08 | 1990-06-21 | Philips Patentverwaltung | ARRANGEMENT FOR A QUARTZ OSCILLATOR |
DE9201910U1 (en) * | 1992-02-14 | 1992-06-11 | Siemens AG, 8000 München | Circuit arrangement for controlling the frequency of the oscillator clock signals emitted by a quartz oscillator |
DE4302529C2 (en) * | 1993-01-29 | 1994-03-31 | Siemens Ag | Temperature stabilized oscillator circuit with externally controllable heating elements |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2148920A5 (en) * | 1971-08-10 | 1973-03-23 | Thomson Csf | |
FR2410909A1 (en) * | 1977-11-30 | 1979-06-29 | Hewlett Packard Co | Quartz crystal resonator oscillating at two frequencies - used as measure of resonator temp. to correct output signal |
US4297657A (en) * | 1979-10-29 | 1981-10-27 | Rockwell International Corporation | Closed loop temperature compensated frequency reference |
CH650122GA3 (en) * | 1981-12-17 | 1985-07-15 |
-
1984
- 1984-11-15 EP EP84113831A patent/EP0142826B1/en not_active Expired - Lifetime
- 1984-11-15 DE DE8484113831T patent/DE3482086D1/en not_active Expired - Fee Related
- 1984-11-16 FI FI844499A patent/FI844499L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0142826A2 (en) | 1985-05-29 |
DE3482086D1 (en) | 1990-05-31 |
EP0142826A3 (en) | 1986-12-17 |
EP0142826B1 (en) | 1990-04-25 |
FI844499A0 (en) | 1984-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn |
Owner name: SIEMENS AKTIENGESELLSCHAFT |