FR2177033B1 - - Google Patents

Info

Publication number
FR2177033B1
FR2177033B1 FR7310260A FR7310260A FR2177033B1 FR 2177033 B1 FR2177033 B1 FR 2177033B1 FR 7310260 A FR7310260 A FR 7310260A FR 7310260 A FR7310260 A FR 7310260A FR 2177033 B1 FR2177033 B1 FR 2177033B1
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
FR7310260A
Other languages
French (fr)
Other versions
FR2177033A1 (enExample
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of FR2177033A1 publication Critical patent/FR2177033A1/fr
Application granted granted Critical
Publication of FR2177033B1 publication Critical patent/FR2177033B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/215Frequency-selective devices, e.g. filters using ferromagnetic material
    • H01P1/218Frequency-selective devices, e.g. filters using ferromagnetic material the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters
    • 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1882Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a magnetic-field sensitive resonator, e.g. a Yttrium Iron Garnet or a magnetostatic surface wave resonator
    • H03B5/1888Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a magnetic-field sensitive resonator, e.g. a Yttrium Iron Garnet or a magnetostatic surface wave resonator the active element in the amplifier being a semiconductor device
    • 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
    • H03B2201/00Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02Varying the frequency of the oscillations by electronic means
    • H03B2201/0225Varying the frequency of the oscillations by electronic means the means being associated with an element comprising distributed inductances and capacitances
    • H03B2201/0241Varying the frequency of the oscillations by electronic means the means being associated with an element comprising distributed inductances and capacitances the element being a magnetically variable element, e.g. an Yttrium Iron Garnet
    • 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
    • H03B23/00Generation of oscillations periodically swept over a predetermined frequency range
FR7310260A 1972-03-22 1973-03-22 Expired FR2177033B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23689572A 1972-03-22 1972-03-22

Publications (2)

Publication Number Publication Date
FR2177033A1 FR2177033A1 (enExample) 1973-11-02
FR2177033B1 true FR2177033B1 (enExample) 1977-12-30

Family

ID=22891443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7310260A Expired FR2177033B1 (enExample) 1972-03-22 1973-03-22

Country Status (2)

Country Link
FR (1) FR2177033B1 (enExample)
GB (1) GB1416474A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561448B1 (fr) * 1984-03-19 1986-09-26 Enertec Dispositif de controle de la frequence d'un filtre a resonance gyromagnetique
CN114696052B (zh) * 2022-06-01 2022-09-13 西南应用磁学研究所(中国电子科技集团公司第九研究所) 带磁路气隙场微调结构的磁调谐滤波器及调试方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435346A (en) * 1966-05-31 1969-03-25 Sylvania Electric Prod Electronically tunable receiver

Also Published As

Publication number Publication date
FR2177033A1 (enExample) 1973-11-02
GB1416474A (en) 1975-12-03

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Legal Events

Date Code Title Description
ST Notification of lapse