IT1073555B - Oscillatore a larga banda a comando elettrico di frequenza - Google Patents

Oscillatore a larga banda a comando elettrico di frequenza

Info

Publication number
IT1073555B
IT1073555B IT52049/76A IT5204976A IT1073555B IT 1073555 B IT1073555 B IT 1073555B IT 52049/76 A IT52049/76 A IT 52049/76A IT 5204976 A IT5204976 A IT 5204976A IT 1073555 B IT1073555 B IT 1073555B
Authority
IT
Italy
Prior art keywords
wide band
electric frequency
frequency wide
band oscillator
oscillator
Prior art date
Application number
IT52049/76A
Other languages
English (en)
Original Assignee
Cepe
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 Cepe filed Critical Cepe
Application granted granted Critical
Publication of IT1073555B publication Critical patent/IT1073555B/it

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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/366—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current
    • H03B5/368—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current the means being voltage variable capacitance diodes
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/004—Circuit elements of oscillators including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or transistor
IT52049/76A 1975-11-07 1976-11-05 Oscillatore a larga banda a comando elettrico di frequenza IT1073555B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7534163A FR2331195A1 (fr) 1975-11-07 1975-11-07 Oscillateur a large bande a commande electrique de frequence

Publications (1)

Publication Number Publication Date
IT1073555B true IT1073555B (it) 1985-04-17

Family

ID=9162203

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52049/76A IT1073555B (it) 1975-11-07 1976-11-05 Oscillatore a larga banda a comando elettrico di frequenza

Country Status (7)

Country Link
US (1) US4063194A (it)
JP (1) JPS5282059A (it)
CH (1) CH609504A5 (it)
DE (1) DE2650777A1 (it)
FR (1) FR2331195A1 (it)
GB (1) GB1507399A (it)
IT (1) IT1073555B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5661417U (it) * 1979-10-17 1981-05-25
FR2501434B1 (fr) * 1981-03-03 1985-10-11 Cepe Oscillateur a frequence commandee comportant un element piezoelectrique et presentant une plage de variation de frequence etendue
JPS59117304A (ja) * 1982-12-23 1984-07-06 Seiko Epson Corp 電圧制御水晶発振器
JPS6037807A (ja) * 1983-08-09 1985-02-27 Nippon Dempa Kogyo Co Ltd 水晶可変周波数発振器
US4638180A (en) * 1984-03-09 1987-01-20 Matsushita Electric Industrial Co., Ltd. Frequency divider circuits
JPS61125208A (ja) * 1984-11-21 1986-06-12 Alps Electric Co Ltd 温度補償型水晶発振回路
US4978930A (en) * 1989-07-18 1990-12-18 At&E Corporation Low voltage VCO temperature compensation
NL8902900A (nl) * 1989-11-23 1991-06-17 Catena Microelect Bv Spanningsgestuurde oscillator.
US5229735A (en) * 1992-03-30 1993-07-20 Macrovision Corporation Wide frequency deviation voltage controlled crystal oscillator having plural parallel crystals
US7180382B2 (en) * 2001-05-21 2007-02-20 Thomson Licensing Wide band voltage controlled crystal oscillator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358244A (en) * 1965-05-03 1967-12-12 Hughes Aircraft Co Highly linear voltage controlled crystal oscillator
US3581240A (en) * 1969-01-13 1971-05-25 Motorola Inc Frequency modulated solid state crystal oscillator providing a plurality of center frequencies

Also Published As

Publication number Publication date
FR2331195B1 (it) 1979-06-15
JPS5282059A (en) 1977-07-08
GB1507399A (en) 1978-04-12
CH609504A5 (it) 1979-02-28
FR2331195A1 (fr) 1977-06-03
DE2650777A1 (de) 1977-05-12
US4063194A (en) 1977-12-13

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