IT1122246B - RESONANT CIRCUIT IN TECHNIQUE IN 4, CAPACITIVELY TUNABLE - Google Patents
RESONANT CIRCUIT IN TECHNIQUE IN 4, CAPACITIVELY TUNABLEInfo
- Publication number
- IT1122246B IT1122246B IT24537/79A IT2453779A IT1122246B IT 1122246 B IT1122246 B IT 1122246B IT 24537/79 A IT24537/79 A IT 24537/79A IT 2453779 A IT2453779 A IT 2453779A IT 1122246 B IT1122246 B IT 1122246B
- Authority
- IT
- Italy
- Prior art keywords
- technique
- resonant circuit
- capacitively
- tunable
- capacitively tunable
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
-
- 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
- H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
- H03B5/1841—Generation 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 strip line resonator
- H03B5/1847—Generation 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 strip line resonator the active element in the amplifier being a semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive 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
-
- 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
- H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
- H03B2201/02—Varying the frequency of the oscillations by electronic means
- H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782833105 DE2833105A1 (en) | 1978-07-28 | 1978-07-28 | CAPACITIVE TUNABLE CIRCUIT IN LAMBDA / 4 TECHNOLOGY |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7924537A0 IT7924537A0 (en) | 1979-07-20 |
IT1122246B true IT1122246B (en) | 1986-04-23 |
Family
ID=6045586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24537/79A IT1122246B (en) | 1978-07-28 | 1979-07-20 | RESONANT CIRCUIT IN TECHNIQUE IN 4, CAPACITIVELY TUNABLE |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5521693A (en) |
AT (1) | AT377869B (en) |
DE (1) | DE2833105A1 (en) |
ES (1) | ES482683A1 (en) |
FR (1) | FR2435828A1 (en) |
GB (1) | GB2027299B (en) |
IT (1) | IT1122246B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5940235U (en) * | 1982-09-06 | 1984-03-14 | 福井機械株式会社 | Pallet loading device for pressed products |
FR2589650A1 (en) * | 1985-11-05 | 1987-05-07 | Radiotechnique | RESONANT MICROBAND LINE CIRCUIT |
AU2003259906A1 (en) | 2002-08-20 | 2004-03-11 | Lockheed Martin Corporation | Method and apparatus for modifying a radio frequency response |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2774045A (en) * | 1951-10-17 | 1956-12-11 | Gen Electric | Ultra-high-frequency tuner |
DE1125018B (en) * | 1959-12-04 | 1962-03-08 | Siemens Ag | Transformation line with wave resistance that can be changed continuously within a certain range |
US3466575A (en) * | 1965-07-30 | 1969-09-09 | Rca Corp | Semiconductor delay line |
US3670270A (en) * | 1968-04-15 | 1972-06-13 | Technitrol Inc | Electrical component |
JPS5132252B1 (en) * | 1970-05-21 | 1976-09-11 | ||
DE2434144C3 (en) * | 1974-07-16 | 1980-03-13 | Georg Dipl.-Ing. Dr.-Ing. 8152 Feldkirchen-Westerham Spinner | Coaxial directional coupler with adjustable coupling attenuation |
-
1978
- 1978-07-28 DE DE19782833105 patent/DE2833105A1/en not_active Ceased
-
1979
- 1979-07-20 IT IT24537/79A patent/IT1122246B/en active
- 1979-07-20 ES ES482683A patent/ES482683A1/en not_active Expired
- 1979-07-26 JP JP9431379A patent/JPS5521693A/en active Pending
- 1979-07-26 FR FR7919322A patent/FR2435828A1/en active Granted
- 1979-07-26 GB GB7926119A patent/GB2027299B/en not_active Expired
- 1979-07-27 AT AT0519679A patent/AT377869B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2435828A1 (en) | 1980-04-04 |
FR2435828B1 (en) | 1984-01-27 |
GB2027299A (en) | 1980-02-13 |
ATA519679A (en) | 1984-09-15 |
AT377869B (en) | 1985-05-10 |
JPS5521693A (en) | 1980-02-15 |
IT7924537A0 (en) | 1979-07-20 |
DE2833105A1 (en) | 1980-02-07 |
GB2027299B (en) | 1982-08-04 |
ES482683A1 (en) | 1980-04-16 |
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