JPS6168539U - - Google Patents
Info
- Publication number
- JPS6168539U JPS6168539U JP15250284U JP15250284U JPS6168539U JP S6168539 U JPS6168539 U JP S6168539U JP 15250284 U JP15250284 U JP 15250284U JP 15250284 U JP15250284 U JP 15250284U JP S6168539 U JPS6168539 U JP S6168539U
- Authority
- JP
- Japan
- Prior art keywords
- loop antenna
- input
- coil
- variable capacitance
- capacitance element
- 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
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
図は本考案の一実施例を示すものである。
１…ループアンテナ、２，４…入力コイル、６
…可変容量ダイオード、８，１１…スイツチング
トランジスタ。
The figure shows one embodiment of the present invention. 1... Loop antenna, 2, 4... Input coil, 6
...variable capacitance diode, 8,11...switching transistor.
Claims (1)
が接続された第１入力コイルと、前記ループアン
テナの他端が接続された第２入力コイルと、前記
第１及び第２入力コイル間に接続された同調用の
可変容量素子と、バンド切換に応答して前記第１
又は第２入力コイルを短絡すると共に前記可変容
量素子の一端若しくは他端を選択的に接地するス
イツチ手段とを備えたことを特徴とする受信機の
アンテナ入力回路。 a loop antenna, a first input coil to which one end of the loop antenna is connected, a second input coil to which the other end of the loop antenna is connected, and a tuning coil connected between the first and second input coils. the first variable capacitance element in response to band switching;
or a switch means for short-circuiting the second input coil and selectively grounding one end or the other end of the variable capacitance element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15250284U JPS6168539U (en) | 1984-10-09 | 1984-10-09 | |
| CN85107775.7A CN1004783B (en) | 1984-10-05 | 1985-10-05 | Antenna input circuit for receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15250284U JPS6168539U (en) | 1984-10-09 | 1984-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6168539U true JPS6168539U (en) | 1986-05-10 |
Family
ID=30710561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15250284U Pending JPS6168539U (en) | 1984-10-05 | 1984-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6168539U (en) |
-
1984
- 1984-10-09 JP JP15250284U patent/JPS6168539U/ja active Pending