FR2110197B1 - - Google Patents

Info

Publication number
FR2110197B1
FR2110197B1 FR7135564A FR7135564A FR2110197B1 FR 2110197 B1 FR2110197 B1 FR 2110197B1 FR 7135564 A FR7135564 A FR 7135564A FR 7135564 A FR7135564 A FR 7135564A FR 2110197 B1 FR2110197 B1 FR 2110197B1
Authority
FR
France
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
FR7135564A
Other languages
French (fr)
Other versions
FR2110197A1 (en:Method
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.)
Aeroflex Burnham Ltd
Original Assignee
Racal Instruments Ltd
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 Racal Instruments Ltd filed Critical Racal Instruments Ltd
Publication of FR2110197A1 publication Critical patent/FR2110197A1/fr
Application granted granted Critical
Publication of FR2110197B1 publication Critical patent/FR2110197B1/fr
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
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • 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
FR7135564A 1970-10-02 1971-10-01 Expired FR2110197B1 (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4686670A GB1372188A (en) 1970-10-02 1970-10-02 Frequency synthesizers

Publications (2)

Publication Number Publication Date
FR2110197A1 FR2110197A1 (en:Method) 1972-06-02
FR2110197B1 true FR2110197B1 (en:Method) 1976-03-26

Family

ID=10442886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135564A Expired FR2110197B1 (en:Method) 1970-10-02 1971-10-01

Country Status (4)

Country Link
US (1) US3702441A (en:Method)
DE (1) DE2149128C3 (en:Method)
FR (1) FR2110197B1 (en:Method)
GB (1) GB1372188A (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109208A (en) * 1971-07-31 1978-08-22 Nippon Gakki Seizo Kabushiki Kaisha Waveform producing system
US3842354A (en) * 1972-06-29 1974-10-15 Sanders Associates Inc Digital sweep frequency generator employing linear sequence generators
NL163396C (nl) * 1974-04-22 1980-08-15 Philips Nv Meerkanaalgenerator.
US4318045A (en) * 1980-04-10 1982-03-02 Rca Corporation Symmetrical waveform signal generator having coherent frequency shift capability
US4494073A (en) * 1982-09-27 1985-01-15 Cubic Corporation Frequency generator using composite digitally controlled oscillators
US4878027A (en) * 1987-08-03 1989-10-31 Hewlett-Packard Company Direct frequency synthesizer using powers of two synthesis techniques

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1150994A (en) * 1967-04-18 1969-05-07 Sanders Associates Inc Frequency Synthesizer.
US3293561A (en) * 1965-09-27 1966-12-20 Rutherford Electronics Co Frequency synthesizer
US3372347A (en) * 1966-04-29 1968-03-05 Monsanto Co Frequency synthesizer employing minimal number of driving frequencies
US3513412A (en) * 1966-09-28 1970-05-19 Us Navy Minimum peak power signal synthesizer
US3566278A (en) * 1968-05-31 1971-02-23 Gen Radio Co Swept frequency synthesizer with frequency marker generation capability
US3509483A (en) * 1968-05-31 1970-04-28 Gen Radio Co Frequency synthesizer apparatus
US3588732A (en) * 1969-01-16 1971-06-28 Collins Radio Co Frequency synthesizer

Also Published As

Publication number Publication date
GB1372188A (en) 1974-10-30
US3702441A (en) 1972-11-07
DE2149128C3 (de) 1981-10-29
DE2149128A1 (de) 1972-05-10
DE2149128B2 (de) 1981-01-15
FR2110197A1 (en:Method) 1972-06-02

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Legal Events

Date Code Title Description
ST Notification of lapse