JPS6333214U - - Google Patents
Info
- Publication number
- JPS6333214U JPS6333214U JP12619986U JP12619986U JPS6333214U JP S6333214 U JPS6333214 U JP S6333214U JP 12619986 U JP12619986 U JP 12619986U JP 12619986 U JP12619986 U JP 12619986U JP S6333214 U JPS6333214 U JP S6333214U
- Authority
- JP
- Japan
- Prior art keywords
- tuning
- switching
- band
- local oscillation
- variable capacitance
- 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 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Description
図は本考案の一実施例を示すものである。３…
…同調回路、４，５……同調コイル、７，１３…
…バリコン、１１……共振コイル。
The figure shows one embodiment of the present invention. 3 ...
...Tuning circuit, 4, 5... Tuning coil, 7, 13...
... Variable capacitor, 11... Resonance coil.
Claims (1)
信し得るようにしたＦＭ受信機であつて、直列接
続された２つの同調コイル及び可変容量素子より
なる同調回路と、前記同調コイルのいずれか一方
と並列に接続されたスイツチング素子と、共振コ
イル及び可変容量素子を含む局部発振回路とを具
備し、バンド切換に応答して前記スイツチング素
子を駆動せしめることにより前記同調回路の同調
周波数範囲を変更し、前記局部発振回路を上側ヘ
テロダイン用若しくは下側ヘテロダイン用として
用いるようにしたことを特徴とするＦＭ受信機。 An FM receiver capable of receiving an FM broadcast band by dividing it into a high frequency band and a low frequency band, which comprises a tuning circuit consisting of two tuning coils and a variable capacitance element connected in series, and one of the tuning coils. a switching element connected in parallel with one of the switching elements, and a local oscillation circuit including a resonant coil and a variable capacitance element, and by driving the switching element in response to band switching, the tuning frequency range of the tuning circuit can be adjusted. An FM receiver characterized in that the local oscillation circuit is modified to be used for upper heterodyne or lower heterodyne.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12619986U JPS6333214U (en) | 1986-08-19 | 1986-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12619986U JPS6333214U (en) | 1986-08-19 | 1986-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6333214U true JPS6333214U (en) | 1988-03-03 |
Family
ID=31019777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12619986U Pending JPS6333214U (en) | 1986-08-19 | 1986-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6333214U (en) |
-
1986
- 1986-08-19 JP JP12619986U patent/JPS6333214U/ja active Pending