IT1065023B - Disposizione circuitale per la commutazione della gamma di frequenza mediante inserzione e disinserzione di un'impedenza - Google Patents
Disposizione circuitale per la commutazione della gamma di frequenza mediante inserzione e disinserzione di un'impedenzaInfo
- Publication number
- IT1065023B IT1065023B IT3030876A IT3030876A IT1065023B IT 1065023 B IT1065023 B IT 1065023B IT 3030876 A IT3030876 A IT 3030876A IT 3030876 A IT3030876 A IT 3030876A IT 1065023 B IT1065023 B IT 1065023B
- Authority
- IT
- Italy
- Prior art keywords
- disarming
- impedance
- switching
- frequency range
- circuit provision
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752558121 DE2558121C2 (de) | 1975-12-23 | 1975-12-23 | Schaltungsanordnung zur Frequenzbereichumschaltung durch An- und Abschalten einer Impedanz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1065023B true IT1065023B (it) | 1985-02-25 |
Family
ID=5965350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT3030876A IT1065023B (it) | 1975-12-23 | 1976-12-10 | Disposizione circuitale per la commutazione della gamma di frequenza mediante inserzione e disinserzione di un'impedenza |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2558121C2 (it) |
| FR (1) | FR2336828A1 (it) |
| IT (1) | IT1065023B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066885C (zh) * | 1995-01-04 | 2001-06-06 | 船井电机株式会社 | 包括射频转换器、调谐器和中频放大器的电路器件 |
| JP3264811B2 (ja) * | 1995-11-20 | 2002-03-11 | アルプス電気株式会社 | 電圧制御可変同調回路 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1551681A (it) * | 1967-07-13 | 1968-12-27 | ||
| DE2158691A1 (de) * | 1971-11-26 | 1973-05-30 | Blaupunkt Werke Gmbh | Oszillatoranordnung mit kapazitiver abstimmung und elektronischer bereichsumschaltung |
| JPS4934262A (it) * | 1972-07-28 | 1974-03-29 |
-
1975
- 1975-12-23 DE DE19752558121 patent/DE2558121C2/de not_active Expired
-
1976
- 1976-12-10 IT IT3030876A patent/IT1065023B/it active
- 1976-12-23 FR FR7638923A patent/FR2336828A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2336828B1 (it) | 1980-07-18 |
| FR2336828A1 (fr) | 1977-07-22 |
| DE2558121A1 (de) | 1977-06-30 |
| DE2558121C2 (de) | 1982-08-26 |
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