JPS6055138U - Receiving machine - Google Patents
Receiving machineInfo
- Publication number
- JPS6055138U JPS6055138U JP14497583U JP14497583U JPS6055138U JP S6055138 U JPS6055138 U JP S6055138U JP 14497583 U JP14497583 U JP 14497583U JP 14497583 U JP14497583 U JP 14497583U JP S6055138 U JPS6055138 U JP S6055138U
- Authority
- JP
- Japan
- Prior art keywords
- bandpass filter
- filter circuits
- receiving machine
- changeover switch
- abstract
- 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
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＦＭラジオ受信機のブロックダイヤグラ
ム、第２図はバンドパスフィルタの一例を示す内部等価
回路図、第３図、第４図はバンドパスフィルタの周波数
特性図、第５図、第６図および第７図は、それぞれ本考
案の第１、第２および第３実施例のＦＭラジオ受信機の
ブロックダイ′ ヤグラムを示す。
１・・・アンチｔ、２ａ、２ｂ・・・バンドパスフィル
タ、４・・・中間周波増巾、検波回路、５・・・低周波
増巾回路、６・・・音量コントロール、１・・・パワー
アンプ回路、８・・・スピーカ、９ａ・・・バンド切換
スイッチ、９ｂ・・・帯域切換スイッチ、１０−・・Ｆ
Ｍフロントエンド。Fig. 1 is a block diagram of a conventional FM radio receiver, Fig. 2 is an internal equivalent circuit diagram showing an example of a bandpass filter, Figs. 3 and 4 are frequency characteristic diagrams of the bandpass filter, Fig. 5, FIGS. 6 and 7 show block diagrams of FM radio receivers according to first, second and third embodiments of the present invention, respectively. DESCRIPTION OF SYMBOLS 1... Anti-t, 2a, 2b... Band pass filter, 4... Intermediate frequency amplification, detection circuit, 5... Low frequency amplification circuit, 6... Volume control, 1... Power amplifier circuit, 8... Speaker, 9a... Band selection switch, 9b... Band selection switch, 10-...F
M front end.
Claims (2)
バンドパスフィルタ回路、該複数のバンドパスフィルタ
回路を切換選択する切換スイッチ、該複数のバンドパス
フィルタ回路の出力が入力する１個のフロントエンド回
路を具備したことを特徴とする受信機。(1) A plurality of bandpass filter circuits having frequency characteristics corresponding to a plurality of frequency bands, a changeover switch for switching and selecting the plurality of bandpass filter circuits, and a single circuit to which the outputs of the plurality of bandpass filter circuits are input. A receiver characterized by being equipped with a front-end circuit.
ルタの前側および後側の少くとも一方に設けられている
ことを特徴とする前記実用新案登録請求の範囲第１項記
載の受信機。(2) The receiver according to claim 1, wherein the changeover switch is provided on at least one of the front side and the rear side of the plurality of bandpass filters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14497583U JPS6055138U (en) | 1983-09-21 | 1983-09-21 | Receiving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14497583U JPS6055138U (en) | 1983-09-21 | 1983-09-21 | Receiving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6055138U true JPS6055138U (en) | 1985-04-18 |
Family
ID=30323144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14497583U Pending JPS6055138U (en) | 1983-09-21 | 1983-09-21 | Receiving machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6055138U (en) |
-
1983
- 1983-09-21 JP JP14497583U patent/JPS6055138U/en active Pending
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