GB1466275A - Frequency synthesizer - Google Patents

Frequency synthesizer

Info

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
Application number
GB2848974A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Adret Electronique SA
Original Assignee
Adret Electronique SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Adret Electronique SA filed Critical Adret Electronique SA
Publication of GB1466275A publication Critical patent/GB1466275A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B21/00Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/04Generation 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)
GB2848974A 1974-03-15 1974-06-27 Frequency synthesizer Expired GB1466275A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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