FR2544929B1 - Oscillateur a quartz a faible bruit - Google Patents
Oscillateur a quartz a faible bruitInfo
- Publication number
- FR2544929B1 FR2544929B1 FR8306782A FR8306782A FR2544929B1 FR 2544929 B1 FR2544929 B1 FR 2544929B1 FR 8306782 A FR8306782 A FR 8306782A FR 8306782 A FR8306782 A FR 8306782A FR 2544929 B1 FR2544929 B1 FR 2544929B1
- Authority
- FR
- France
- Prior art keywords
- low noise
- quartz oscillator
- noise quartz
- oscillator
- low
- 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.)
- Expired
Links
- 239000010453 quartz Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/007—Generation of oscillations based on harmonic frequencies, e.g. overtone oscillators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0088—Reduction of noise
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0088—Reduction of noise
- H03B2200/009—Reduction of phase noise
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2202/00—Aspects of oscillators relating to reduction of undesired oscillations
- H03B2202/01—Reduction of undesired oscillations originated from distortion in one of the circuit elements of the oscillator
- H03B2202/012—Reduction of undesired oscillations originated from distortion in one of the circuit elements of the oscillator the circuit element being the active device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2202/00—Aspects of oscillators relating to reduction of undesired oscillations
- H03B2202/01—Reduction of undesired oscillations originated from distortion in one of the circuit elements of the oscillator
- H03B2202/015—Reduction of undesired oscillations originated from distortion in one of the circuit elements of the oscillator the circuit element being a limiter
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8306782A FR2544929B1 (fr) | 1983-04-20 | 1983-04-20 | Oscillateur a quartz a faible bruit |
GB08407517A GB2139836B (en) | 1983-04-20 | 1984-03-22 | A low noise crystal oscillator |
CH1493/84A CH656032A5 (fr) | 1983-04-20 | 1984-03-23 | Oscillateur a quartz. |
DE19843412866 DE3412866A1 (de) | 1983-04-20 | 1984-04-05 | Quarzoszillator |
US06/597,879 US4536721A (en) | 1983-04-20 | 1984-04-09 | Low noise crystal oscillator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8306782A FR2544929B1 (fr) | 1983-04-20 | 1983-04-20 | Oscillateur a quartz a faible bruit |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2544929A1 FR2544929A1 (fr) | 1984-10-26 |
FR2544929B1 true FR2544929B1 (fr) | 1986-03-21 |
Family
ID=9288182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8306782A Expired FR2544929B1 (fr) | 1983-04-20 | 1983-04-20 | Oscillateur a quartz a faible bruit |
Country Status (5)
Country | Link |
---|---|
US (1) | US4536721A (fr) |
CH (1) | CH656032A5 (fr) |
DE (1) | DE3412866A1 (fr) |
FR (1) | FR2544929B1 (fr) |
GB (1) | GB2139836B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR860000748A (ko) * | 1984-06-07 | 1986-01-30 | 드로스트, 후흐스 | 발진기 혼합기 회로 |
US4797639A (en) * | 1987-05-22 | 1989-01-10 | The United States Of America As Represented By The Secretary Of The Air Force | Low noise crystal controlled oscillator |
US4825178A (en) * | 1987-08-26 | 1989-04-25 | International Business Machines Corporation | Oscillator with noise rejection and square wave output |
US4831343A (en) * | 1988-03-24 | 1989-05-16 | Motorola, Inc. | Crystal clock generator having fifty percent duty cycle |
US5053773A (en) * | 1989-03-15 | 1991-10-01 | Rockwell International Corporation | Doppler compensated airborne weather radar system |
DE4011795C2 (de) * | 1990-04-12 | 1995-06-01 | Telefunken Microelectron | Quarzoszillatorschaltung |
US10840853B2 (en) | 2019-02-26 | 2020-11-17 | Keysight Technologies, Inc. | Low phase noise oscillator using negative feedback |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB875169A (en) * | 1958-06-24 | 1961-08-16 | British Telecomm Res Ltd | Improvements in amplifiers |
US3054967A (en) * | 1958-12-31 | 1962-09-18 | Ibm | Free-running pulse generator for producing steep edge output pulses |
FR78516E (fr) * | 1960-10-12 | 1962-08-03 | Thomson Houston Comp Francaise | Perfectionnements aux oscillateurs à transistrons |
FR1299499A (fr) * | 1961-09-07 | 1962-07-20 | Philips Nv | Oscillateur à cristal |
GB1062608A (en) * | 1964-10-14 | 1967-03-22 | Gen Electric Co Ltd | Improvements in or relating to electric circuit arrangements |
US3358244A (en) * | 1965-05-03 | 1967-12-12 | Hughes Aircraft Co | Highly linear voltage controlled crystal oscillator |
US3382447A (en) * | 1966-10-18 | 1968-05-07 | Sanders Associates Inc | Ultrastable crystal-controlled transistor oscillator-multiplier |
NL147292B (nl) * | 1967-09-26 | 1975-09-15 | Siemens Ag | Kristaloscillator. |
GB1322366A (en) * | 1970-07-06 | 1973-07-04 | Westinghouse Electric Corp | Wide deviation voltage controlled crystal oscillator |
US3996530A (en) * | 1975-06-30 | 1976-12-07 | International Business Machines Corporation | Butler oscillator |
PL127641B1 (en) * | 1980-02-13 | 1983-11-30 | Inst Tele I Radiotech | Quartz overtone oscillator with tunable frequency |
US4358742A (en) * | 1980-03-07 | 1982-11-09 | The Singer Company | Transimpedance oscillator having high gain amplifier |
-
1983
- 1983-04-20 FR FR8306782A patent/FR2544929B1/fr not_active Expired
-
1984
- 1984-03-22 GB GB08407517A patent/GB2139836B/en not_active Expired
- 1984-03-23 CH CH1493/84A patent/CH656032A5/fr not_active IP Right Cessation
- 1984-04-05 DE DE19843412866 patent/DE3412866A1/de active Granted
- 1984-04-09 US US06/597,879 patent/US4536721A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3412866C2 (fr) | 1988-09-15 |
GB8407517D0 (en) | 1984-05-02 |
CH656032A5 (fr) | 1986-05-30 |
FR2544929A1 (fr) | 1984-10-26 |
GB2139836B (en) | 1986-08-28 |
DE3412866A1 (de) | 1984-10-25 |
US4536721A (en) | 1985-08-20 |
GB2139836A (en) | 1984-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
AR | Application made for restoration | ||
BR | Restoration of rights | ||
ST | Notification of lapse |