JPH01160741U - - Google Patents
Info
- Publication number
- JPH01160741U JPH01160741U JP5805288U JP5805288U JPH01160741U JP H01160741 U JPH01160741 U JP H01160741U JP 5805288 U JP5805288 U JP 5805288U JP 5805288 U JP5805288 U JP 5805288U JP H01160741 U JPH01160741 U JP H01160741U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- receiving
- fixed terminal
- high frequency
- frequency amplifier
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
Description
第１図は本考案に係る受信回路の構成を示す回
路図であり、第２図は上記受信回路に用いられる
バンドパスフイルタの構成の一例を示す回路図で
あり、第３図は上記受信回路において第１の端子
が選択されたときの接続状態を説明する回路図で
あり、第４図は上記受信回路において第２の端子
が選択されたときの接続状態を説明する回路図で
あり、第５図は上記受信回路において第３の端子
が選択されたときの接続状態を説明する回路図で
ある。第６図は従来の受信回路の一例を示す回路
図であり、第７図は従来の受信回路の他の例を示
す回路図である。
１……スイツチ、１ａ……固定端子、１ｂ……
第１の端子、１ｃ……第２の端子、１ｄ……第３
の端子、２……バンドパスフイルタ、３……電波
受信装置、４……ロツドアンテナ、Ｃ１……感度
調整用コンデンサ。
FIG. 1 is a circuit diagram showing the configuration of a receiving circuit according to the present invention, FIG. 2 is a circuit diagram showing an example of the configuration of a bandpass filter used in the receiving circuit, and FIG. 3 is a circuit diagram showing an example of the configuration of a bandpass filter used in the receiving circuit. FIG. 4 is a circuit diagram explaining the connection state when the first terminal is selected in the receiving circuit; FIG. 4 is a circuit diagram explaining the connection state when the second terminal is selected in the receiving circuit; FIG. 5 is a circuit diagram illustrating the connection state when the third terminal is selected in the receiving circuit. FIG. 6 is a circuit diagram showing an example of a conventional receiving circuit, and FIG. 7 is a circuit diagram showing another example of the conventional receiving circuit. 1...Switch, 1a...Fixed terminal, 1b...
1st terminal, 1c...2nd terminal, 1d...3rd terminal
terminal, 2...bandpass filter, 3...radio wave receiving device, 4...rod antenna, C1 ...sensitivity adjustment capacitor.
Claims (1)
を介して接続されるとともに、ＦＭ受信用ロツド
アンテナに感度調整用コンデンサを介して接続さ
れる固定端子と、 上記ＦＭ受信用ロツドアンテナに接続されると
ともに、上記固定端子に接離操作される端子と、 上記固定端子に接続されることにより上記高周
波アンプをＡＭ受信状態となす端子とを備えてな
る受信回路。[Claim for Utility Model Registration] A fixed terminal connected to the input terminal of a high frequency amplifier via a bandpass filter and connected to an FM receiving rod antenna via a sensitivity adjustment capacitor; A receiving circuit comprising: a terminal that is connected to the fixed terminal and operated to connect and separate; and a terminal that is connected to the fixed terminal to bring the high frequency amplifier into an AM receiving state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5805288U JPH01160741U (en) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5805288U JPH01160741U (en) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160741U true JPH01160741U (en) | 1989-11-08 |
Family
ID=31283885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5805288U Pending JPH01160741U (en) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160741U (en) |
-
1988
- 1988-04-28 JP JP5805288U patent/JPH01160741U/ja active Pending