GB1466275A - Frequency synthesizer - Google Patents
Frequency synthesizerInfo
- Publication number
- GB1466275A GB1466275A GB2848974A GB2848974A GB1466275A GB 1466275 A GB1466275 A GB 1466275A GB 2848974 A GB2848974 A GB 2848974A GB 2848974 A GB2848974 A GB 2848974A GB 1466275 A GB1466275 A GB 1466275A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- mixer
- divider
- frequencies
- output
- 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7408948A FR2264422B1 (xx) | 1974-03-15 | 1974-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1466275A true GB1466275A (en) | 1977-03-02 |
Family
ID=9136403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2848974A Expired GB1466275A (en) | 1974-03-15 | 1974-06-27 | Frequency synthesizer |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2431766C3 (xx) |
FR (1) | FR2264422B1 (xx) |
GB (1) | GB1466275A (xx) |
NL (1) | NL166588C (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2208575B (en) * | 1987-08-03 | 1991-10-16 | Hewlett Packard Co | Method and structure for frequency synthesis using powers of two synthesis techniques |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2559970B2 (fr) * | 1984-02-22 | 1986-06-13 | Adret Electronique | Synthetiseur de frequence quaternaire |
FR2572232A1 (fr) * | 1984-10-24 | 1986-04-25 | Adret Electronique | Synthetiseur de frequence a commutation rapide |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1050395B (xx) * | 1957-10-28 | 1959-02-12 | ||
NL150631B (nl) * | 1965-02-16 | 1976-08-16 | Philips Nv | Instelbare frequentiedeler. |
US3372347A (en) * | 1966-04-29 | 1968-03-05 | Monsanto Co | Frequency synthesizer employing minimal number of driving frequencies |
FR1493682A (fr) * | 1966-07-20 | 1967-09-01 | Adret Electronique | Générateur de signaux électriques sinusoïdaux du type dit synthétiseur de fréquence |
US3546617A (en) * | 1968-11-26 | 1970-12-08 | Rca Corp | Digital frequency synthesizer |
US3600699A (en) * | 1969-08-21 | 1971-08-17 | Rca Corp | Frequency synthesizer having a plurality of cascaded phase locked loops |
-
1974
- 1974-03-15 FR FR7408948A patent/FR2264422B1/fr not_active Expired
- 1974-06-27 GB GB2848974A patent/GB1466275A/en not_active Expired
- 1974-06-28 NL NL7408771A patent/NL166588C/xx not_active IP Right Cessation
- 1974-07-02 DE DE19742431766 patent/DE2431766C3/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2208575B (en) * | 1987-08-03 | 1991-10-16 | Hewlett Packard Co | Method and structure for frequency synthesis using powers of two synthesis techniques |
Also Published As
Publication number | Publication date |
---|---|
DE2431766B2 (de) | 1980-10-09 |
NL166588B (nl) | 1981-03-16 |
NL7408771A (nl) | 1975-09-17 |
NL166588C (nl) | 1981-08-17 |
FR2264422B1 (xx) | 1976-12-17 |
DE2431766C3 (de) | 1981-07-30 |
DE2431766A1 (de) | 1975-09-18 |
FR2264422A1 (xx) | 1975-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920627 |