JPS6170427U - - Google Patents
Info
- Publication number
- JPS6170427U JPS6170427U JP15463084U JP15463084U JPS6170427U JP S6170427 U JPS6170427 U JP S6170427U JP 15463084 U JP15463084 U JP 15463084U JP 15463084 U JP15463084 U JP 15463084U JP S6170427 U JPS6170427 U JP S6170427U
- Authority
- JP
- Japan
- Prior art keywords
- broadcasting
- frequency synthesizer
- channel selection
- selection device
- phase comparator
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Television Receiver Circuits (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
第１図は従来の選局装置のブロツク図、第２図
は本考案の一実施例における選局装置のブロツク
図である。
１……ＦＭチユーナ、２，８……プリスケーラ
、４……プログラマブル分周器、５……位相比較
器、６……分周器、７……テレビチユーナ、９…
…選局制御回路、１０……ＬＰＦ、１１……発振
器。
FIG. 1 is a block diagram of a conventional channel selection device, and FIG. 2 is a block diagram of a channel selection device according to an embodiment of the present invention. 1...FM tuner, 2,8...Prescaler, 4...Programmable frequency divider, 5...Phase comparator, 6...Frequency divider, 7...TV tuner, 9...
...Tuning control circuit, 10...LPF, 11...oscillator.
Claims (1)
周波数シンセサイザーを有し、前記周波数シンセ
サイザーを構成するプログラマブル分周器、基準
発振器、および位相比較器を前記両放送に対して
共通な回路で構成した選局装置。 A channel selection device comprising a frequency synthesizer capable of receiving television broadcasting and FM broadcasting, and in which a programmable frequency divider, a reference oscillator, and a phase comparator constituting the frequency synthesizer are constructed from a common circuit for both the broadcasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15463084U JPS6170427U (en) | 1984-10-12 | 1984-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15463084U JPS6170427U (en) | 1984-10-12 | 1984-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6170427U true JPS6170427U (en) | 1986-05-14 |
Family
ID=30712621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15463084U Pending JPS6170427U (en) | 1984-10-12 | 1984-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6170427U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5668035A (en) * | 1979-11-08 | 1981-06-08 | Matsushita Electric Ind Co Ltd | Channel selector |
-
1984
- 1984-10-12 JP JP15463084U patent/JPS6170427U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5668035A (en) * | 1979-11-08 | 1981-06-08 | Matsushita Electric Ind Co Ltd | Channel selector |