JPS6224533U - - Google Patents
Info
- Publication number
- JPS6224533U JPS6224533U JP11560685U JP11560685U JPS6224533U JP S6224533 U JPS6224533 U JP S6224533U JP 11560685 U JP11560685 U JP 11560685U JP 11560685 U JP11560685 U JP 11560685U JP S6224533 U JPS6224533 U JP S6224533U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- band
- time constant
- automatic frequency
- controlling
- 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
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Description
第１図は本考案の一実施例を示す図、第２図は
共振回路の他の例を示す図である。
２……局部発振回路の一部を構成する共振回路
、１９，２０……時定数制御回路となるコンデン
サ及びスイツチングダイオード、２２，２３……
バンド切換スイツチ。
FIG. 1 is a diagram showing one embodiment of the present invention, and FIG. 2 is a diagram showing another example of a resonant circuit. 2 ... Resonant circuit forming part of the local oscillation circuit, 19, 20... Capacitor and switching diode forming a time constant control circuit, 22, 23...
Band changeover switch.
Claims (1)
信し得る受信装置であつて、バンド切換手段と、
このバンド切換手段の操作に基づき各バンド放送
に適応した局部発振周波数を出力する局部発振回
路と、この局部発振回路を自動周波数制御するた
めの自動周波数制御回路と、この自動周波数制御
回路の時定数を制御する時定数制御回路とを備え
、前記バンド切換手段の操作に基づき前記時定数
制御回路を制御し、以つて各バンドの放送に対応
して前記自動周波数制御回路の時定数を変更せし
めるようにしたことを特徴とする受信装置。 A receiving device capable of receiving audio of FM band broadcasting and TV band broadcasting, comprising a band switching means;
A local oscillation circuit that outputs a local oscillation frequency suitable for each band broadcast based on the operation of this band switching means, an automatic frequency control circuit for automatically frequency controlling this local oscillation circuit, and a time constant of this automatic frequency control circuit. and a time constant control circuit for controlling the automatic frequency control circuit, and controlling the time constant control circuit based on the operation of the band switching means, so as to change the time constant of the automatic frequency control circuit in accordance with broadcasting of each band. A receiving device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11560685U JPS6224533U (en) | 1985-07-26 | 1985-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11560685U JPS6224533U (en) | 1985-07-26 | 1985-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6224533U true JPS6224533U (en) | 1987-02-14 |
Family
ID=30999415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11560685U Pending JPS6224533U (en) | 1985-07-26 | 1985-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6224533U (en) |
-
1985
- 1985-07-26 JP JP11560685U patent/JPS6224533U/ja active Pending