AT278098B - Tunable resonant circuit with a capacitance diode, especially for shortwave receivers - Google Patents
Tunable resonant circuit with a capacitance diode, especially for shortwave receiversInfo
- Publication number
- AT278098B AT278098B AT305868A AT305868A AT278098B AT 278098 B AT278098 B AT 278098B AT 305868 A AT305868 A AT 305868A AT 305868 A AT305868 A AT 305868A AT 278098 B AT278098 B AT 278098B
- Authority
- AT
- Austria
- Prior art keywords
- resonant circuit
- capacitance diode
- tunable resonant
- shortwave
- receivers
- Prior art date
Links
Classifications
-
- 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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT305868A AT278098B (en) | 1968-03-28 | 1968-03-28 | Tunable resonant circuit with a capacitance diode, especially for shortwave receivers |
DE19681801290 DE1801290A1 (en) | 1968-03-28 | 1968-10-04 | Oscillating circuit tunable to distant frequency bands, especially for shortwave receivers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT305868A AT278098B (en) | 1968-03-28 | 1968-03-28 | Tunable resonant circuit with a capacitance diode, especially for shortwave receivers |
Publications (1)
Publication Number | Publication Date |
---|---|
AT278098B true AT278098B (en) | 1970-01-26 |
Family
ID=3544633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT305868A AT278098B (en) | 1968-03-28 | 1968-03-28 | Tunable resonant circuit with a capacitance diode, especially for shortwave receivers |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT278098B (en) |
DE (1) | DE1801290A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1071589B (en) * | 1977-03-03 | 1985-04-10 | Indesit | PROVISION TO GENERATE A TUNING VOLTAGE |
-
1968
- 1968-03-28 AT AT305868A patent/AT278098B/en not_active IP Right Cessation
- 1968-10-04 DE DE19681801290 patent/DE1801290A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1801290A1 (en) | 1969-10-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH563033A (en) | TIME-HOLDING DEVICE WITH A PULSE REDUCTION CIRCUIT. | |
NL158979B (en) | FILTER DEVICE WITH A CIRCULATOR, AS WELL AS A CASCADE CIRCUIT, BROADBAND FILTER. | |
AT349070B (en) | RADIO OR TELEVISION RECEIVER WITH A SEARCH ARRANGEMENT | |
CH486805A (en) | Filter network with at least one tapped electromagnetic delay line | |
CH473300A (en) | Rod lock, especially for switch cabinets | |
CH507592A (en) | Electrical arrangement controlled by at least two tunable capacitance diodes | |
AT278098B (en) | Tunable resonant circuit with a capacitance diode, especially for shortwave receivers | |
DK135970B (en) | UHF oscillator with tunable transmission line resonant circuits. | |
BR6910146D0 (en) | PROCESS FOR OBTAINING COMPOUNDS FROM THE PIRIDAZONE SERIES | |
CH496321A (en) | Semiconductor component with a shell, two connections | |
DK136506B (en) | Winding capacitor with metallized dielectric. | |
CH466368A (en) | Counter with preselection, with galvanically coupled steps | |
CH498527A (en) | Tuning set for a carrier frequency lock for high voltage networks | |
DK124790B (en) | VHF TVs. | |
AU410417B2 (en) | Tuning arrangement with resonant circuits tunable by capacitance diodes | |
CH494524A (en) | Metal housing for an electrical component, in particular an electrical capacitor, with a switch-off fuse | |
AU1486866A (en) | Tuning arrangement with resonant circuits tunable by capacitance diodes | |
AT279677B (en) | Overlay receiver with an electronic automatic station search | |
AT302428B (en) | Television receiver with a phase frequency comparison circuit | |
CH408133A (en) | Tunable shortwave transmitter stage, which can be tuned over a wide frequency range | |
CH513520A (en) | Simple semiconductor component with a semiconductor plate | |
DK124569B (en) | Capacity diode system for tuning a receiver. | |
CH471457A (en) | Pressure-dependent snap switch, especially for washing machines | |
CH492346A (en) | Circuit arrangement with at least one matching circuit designed as a bandpass filter | |
CH457544A (en) | Television receiver with a protective circuit for the high voltage level |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EIH | Change in the person of patent owner | ||
ELJ | Ceased due to non-payment of the annual fee |