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GB1134079A - Selector unit for a digital frequency synthesizer - Google Patents

Selector unit for a digital frequency synthesizer

Info

Publication number
GB1134079A
GB1134079A GB19508/68A GB1950868A GB1134079A GB 1134079 A GB1134079 A GB 1134079A GB 19508/68 A GB19508/68 A GB 19508/68A GB 1950868 A GB1950868 A GB 1950868A GB 1134079 A GB1134079 A GB 1134079A
Authority
GB
United Kingdom
Prior art keywords
frequency synthesizer
digital frequency
selector unit
april
selector
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
GB19508/68A
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of GB1134079A publication Critical patent/GB1134079A/en
Expired legal-status Critical Current

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)
  • Transmitters (AREA)

Abstract

1,134,079. Frequency synthesizers. MONSANTO CO. 28 April, 1967 [29 April, 1966], No. 19508/68. Divided out of 1,134,078. Heading H3F. The description is substantially the same as that of Specification 1,134,078, but the claims relate to a single stage of the frequency synthesizer.
GB19508/68A 1966-04-29 1967-04-28 Selector unit for a digital frequency synthesizer Expired GB1134079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US546457A US3372347A (en) 1966-04-29 1966-04-29 Frequency synthesizer employing minimal number of driving frequencies

Publications (1)

Publication Number Publication Date
GB1134079A true GB1134079A (en) 1968-11-20

Family

ID=24180502

Family Applications (2)

Application Number Title Priority Date Filing Date
GB19827/67A Expired GB1134078A (en) 1966-04-29 1967-04-28 Frequency synthesizer
GB19508/68A Expired GB1134079A (en) 1966-04-29 1967-04-28 Selector unit for a digital frequency synthesizer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB19827/67A Expired GB1134078A (en) 1966-04-29 1967-04-28 Frequency synthesizer

Country Status (3)

Country Link
US (1) US3372347A (en)
FR (1) FR1521923A (en)
GB (2) GB1134078A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2149128A1 (en) * 1970-10-02 1972-05-10 Racal Instruments Ltd Method for frequency synthesis and normal frequency generator with frequency synthesis

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513412A (en) * 1966-09-28 1970-05-19 Us Navy Minimum peak power signal synthesizer
US3454883A (en) * 1966-11-17 1969-07-08 Melpar Inc Binary frequency synthesizer with alternating offset frequency technique
US3838355A (en) * 1973-07-23 1974-09-24 Cutler Hammer Inc Binary coded digital frequency synthesis
US3906388A (en) * 1974-01-28 1975-09-16 Sperry Rand Corp Direct-type binary frequency synthesizer for microwave frequencies
FR2264422B1 (en) * 1974-03-15 1976-12-17 Adret Electronique
US4008443A (en) * 1974-03-15 1977-02-15 Adret Electronic Quaternary frequency synthesizer
US4425552A (en) 1979-10-29 1984-01-10 Sperry Corporation Direct-type binary frequency synthesizer
US4725786A (en) * 1984-07-26 1988-02-16 Comstron Corporation Full-octave direct frequency synthesizer
US4626787A (en) * 1985-03-06 1986-12-02 Harris Corporation Application of the phaselock loop to frequency synthesis
GB2183946A (en) * 1985-12-06 1987-06-10 Plessey Co Plc Frequency synthesiser
US4831339A (en) * 1987-08-21 1989-05-16 Nemeth-Bates Corp Oscillator having low phase noise

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212024A (en) * 1961-01-13 1965-10-12 Aircraft Radio Corp Measuring and testing circuit for frequency synthesizer
US3235815A (en) * 1962-12-14 1966-02-15 Hazeltine Research Inc Frequency synthesizer digit selector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2149128A1 (en) * 1970-10-02 1972-05-10 Racal Instruments Ltd Method for frequency synthesis and normal frequency generator with frequency synthesis

Also Published As

Publication number Publication date
FR1521923A (en) 1968-04-19
GB1134078A (en) 1968-11-20
DE1591270A1 (en) 1972-03-30
US3372347A (en) 1968-03-05
DE1591270B2 (en) 1972-10-19

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