FR2559970B2 - Synthetiseur de frequence quaternaire - Google Patents
Synthetiseur de frequence quaternaireInfo
- Publication number
- FR2559970B2 FR2559970B2 FR8402667A FR8402667A FR2559970B2 FR 2559970 B2 FR2559970 B2 FR 2559970B2 FR 8402667 A FR8402667 A FR 8402667A FR 8402667 A FR8402667 A FR 8402667A FR 2559970 B2 FR2559970 B2 FR 2559970B2
- Authority
- FR
- France
- Prior art keywords
- frequency synthesizer
- quaternary frequency
- quaternary
- synthesizer
- frequency
- 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
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
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
- H03B21/04—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies using several similar stages
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8402667A FR2559970B2 (fr) | 1984-02-22 | 1984-02-22 | Synthetiseur de frequence quaternaire |
GB08430649A GB2156613B (en) | 1984-02-22 | 1984-12-05 | Frequency synthesiser |
US06/686,856 US4636733A (en) | 1984-02-22 | 1984-12-27 | Quaternary frequency synthesizer |
DE19853505683 DE3505683A1 (de) | 1984-02-22 | 1985-02-19 | Frequenzsyntheseschaltung |
GB08509282A GB2155717B (en) | 1984-02-22 | 1985-04-11 | Quaternary frequency synthesiser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8402667A FR2559970B2 (fr) | 1984-02-22 | 1984-02-22 | Synthetiseur de frequence quaternaire |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2559970A2 FR2559970A2 (fr) | 1985-08-23 |
FR2559970B2 true FR2559970B2 (fr) | 1986-06-13 |
Family
ID=9301269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8402667A Expired FR2559970B2 (fr) | 1984-02-22 | 1984-02-22 | Synthetiseur de frequence quaternaire |
Country Status (4)
Country | Link |
---|---|
US (1) | US4636733A (fr) |
DE (1) | DE3505683A1 (fr) |
FR (1) | FR2559970B2 (fr) |
GB (2) | GB2156613B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2216354B (en) * | 1988-03-30 | 1992-09-16 | Plessey Co Plc | Radio receiver tuner circuit |
US4940950A (en) * | 1988-08-12 | 1990-07-10 | Tel-Instrument Electronics Corporation | Frequency synthesis method and apparatus using approximation to provide closely spaced discrete frequencies over a wide range with rapid acquisition |
DE102019126041A1 (de) | 2019-09-26 | 2019-12-24 | FEV Group GmbH | Assistenzsystem für ein Fahrzeug mit einer unter Einwirkung einer extern generierten Frequenz erzeugten Sendefrequenz |
US11356109B1 (en) * | 2021-02-26 | 2022-06-07 | Realtek Semiconductor Corp. | Wide-band frequency synthesizer for zero-IF WLAN radio transceiver and method thereof |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2888557A (en) * | 1954-09-17 | 1959-05-26 | Bell Telephone Labor Inc | Frequency divider circuits |
FR2194074B1 (fr) * | 1972-07-25 | 1975-06-13 | Adret Electronique | |
FR2264422B1 (fr) * | 1974-03-15 | 1976-12-17 | Adret Electronique | |
US4008443A (en) * | 1974-03-15 | 1977-02-15 | Adret Electronic | Quaternary frequency synthesizer |
US4105949A (en) * | 1977-04-15 | 1978-08-08 | The Boeing Company | Frequency synthesizer apparatus |
FR2497425B1 (fr) * | 1980-12-31 | 1985-10-31 | Adret Electronique | Synthetiseur de frequence a multiplicateur fractionnaire |
US4381461A (en) * | 1981-01-14 | 1983-04-26 | International Telephone And Telegraph Corporation | Frequency synthesizer |
-
1984
- 1984-02-22 FR FR8402667A patent/FR2559970B2/fr not_active Expired
- 1984-12-05 GB GB08430649A patent/GB2156613B/en not_active Expired
- 1984-12-27 US US06/686,856 patent/US4636733A/en not_active Expired - Fee Related
-
1985
- 1985-02-19 DE DE19853505683 patent/DE3505683A1/de not_active Ceased
- 1985-04-11 GB GB08509282A patent/GB2155717B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4636733A (en) | 1987-01-13 |
GB2155717B (en) | 1987-09-03 |
DE3505683A1 (de) | 1985-08-22 |
FR2559970A2 (fr) | 1985-08-23 |
GB8509282D0 (en) | 1985-05-15 |
GB2155717A (en) | 1985-09-25 |
GB8430649D0 (en) | 1985-01-16 |
GB2156613B (en) | 1987-09-03 |
GB2156613A (en) | 1985-10-09 |
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