JPS5750125A - Automatic sweeping digital tuning circuit - Google Patents
Automatic sweeping digital tuning circuitInfo
- Publication number
- JPS5750125A JPS5750125A JP12561280A JP12561280A JPS5750125A JP S5750125 A JPS5750125 A JP S5750125A JP 12561280 A JP12561280 A JP 12561280A JP 12561280 A JP12561280 A JP 12561280A JP S5750125 A JPS5750125 A JP S5750125A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- automatic
- sweep
- tuning frequency
- counter
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
- H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12561280A JPS5750125A (en) | 1980-09-09 | 1980-09-09 | Automatic sweeping digital tuning circuit |
US06/299,502 US4380825A (en) | 1980-09-09 | 1981-09-04 | Automatic sweep digital tuning circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12561280A JPS5750125A (en) | 1980-09-09 | 1980-09-09 | Automatic sweeping digital tuning circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5750125A true JPS5750125A (en) | 1982-03-24 |
JPS6329852B2 JPS6329852B2 (ar) | 1988-06-15 |
Family
ID=14914396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12561280A Granted JPS5750125A (en) | 1980-09-09 | 1980-09-09 | Automatic sweeping digital tuning circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5750125A (ar) |
-
1980
- 1980-09-09 JP JP12561280A patent/JPS5750125A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6329852B2 (ar) | 1988-06-15 |
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