JPS6066147U - A.M. fm stereo receiver - Google Patents
A.M. fm stereo receiverInfo
- Publication number
- JPS6066147U JPS6066147U JP15876383U JP15876383U JPS6066147U JP S6066147 U JPS6066147 U JP S6066147U JP 15876383 U JP15876383 U JP 15876383U JP 15876383 U JP15876383 U JP 15876383U JP S6066147 U JPS6066147 U JP S6066147U
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- signal input
- input terminal
- intermediate frequency
- voltage
- 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
- Circuits Of Receivers In General (AREA)
- Stereo-Broadcasting Methods (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係るＡＭ−ＦＭステレオ受信機を示す
ブロック図、第２図は第１図の要部を示すブロック図で
ある。
４・・・中間周波増幅用集積回路、１８・・・ハンド切
換用制御信号入力端子、２１・・・ＦＭステレオ復調用
集積回路、２６・・・動作停止用制御信号入力端子、２
７・・・電源供給線路、Ｓｌ・・・バンド切換スイ
。
ツチ、Ｄｌ・・・誤動作防止用ダイオード。FIG. 1 is a block diagram showing an AM-FM stereo receiver according to the present invention, and FIG. 2 is a block diagram showing the main parts of FIG. 1. 4... Integrated circuit for intermediate frequency amplification, 18... Control signal input terminal for hand switching, 21... Integrated circuit for FM stereo demodulation, 26... Control signal input terminal for stopping operation, 2
7...Power supply line, SL...band switching switch
. Tsuchi, Dl...Diode for preventing malfunction.
Claims (1)
圧が加えられたとき内部の電圧制御発振器の動作が停止
するＦＭステレオ復調用集積回路と、少なくともＡＭ用
及びＦＭ用の中間周波増幅回路を内蔵し、ハンド切換用
制御信号入力端子に電源電圧が加えられたとき前記ＡＭ
用中間周波増幅回路が動作し、前記バンド切換用制御信
号入力端子に電源電圧が加えられないとき前記ＦＭ用中
間周波増幅回路が動作するとともに前記バンド切換用制
御信号入力端子に前記第１の所定電圧以上の第２の所定
電圧が現われる中間周波増幅用集積回路とを備えたＡＭ
−ＦＭステレオ受信機であって、共通端子が電源供給線
路に接続されたバンド切換スイッチのＡＭ側端子を、前
記ＦＭステレオ復調用集積回路の動作停止用制御信号入
力端子に接続するとともに、前記バンド切換スイッチの
ＡＭ側端子を誤動作防止用ダイオードを介して前記中間
周波増幅用集積回路のバンド切換用制御信号入力端子に
接続してなるＡＭ−ＦＭステレオ受信機。
−An integrated circuit for FM stereo demodulation that stops the operation of an internal voltage-controlled oscillator when a voltage equal to or higher than a first predetermined voltage is applied to an operation stop control signal input terminal, and an intermediate frequency amplifier circuit for at least AM and FM. built-in, and when the power supply voltage is applied to the hand switching control signal input terminal, the AM
When the FM intermediate frequency amplification circuit operates and no power supply voltage is applied to the band switching control signal input terminal, the FM intermediate frequency amplification circuit operates and the first predetermined signal is applied to the band switching control signal input terminal. an intermediate frequency amplification integrated circuit in which a second predetermined voltage higher than the voltage appears;
- An FM stereo receiver, in which an AM side terminal of a band changeover switch whose common terminal is connected to a power supply line is connected to an operation stop control signal input terminal of the FM stereo demodulation integrated circuit; An AM-FM stereo receiver comprising an AM side terminal of a changeover switch connected to a band switching control signal input terminal of the intermediate frequency amplification integrated circuit via a malfunction prevention diode.
−
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15876383U JPS6066147U (en) | 1983-10-13 | 1983-10-13 | A.M. fm stereo receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15876383U JPS6066147U (en) | 1983-10-13 | 1983-10-13 | A.M. fm stereo receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6066147U true JPS6066147U (en) | 1985-05-10 |
Family
ID=30349665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15876383U Pending JPS6066147U (en) | 1983-10-13 | 1983-10-13 | A.M. fm stereo receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6066147U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5275102A (en) * | 1975-12-18 | 1977-06-23 | Matsushita Electric Ind Co Ltd | Radio receiver |
| JPS5546392B2 (en) * | 1976-06-04 | 1980-11-22 |
-
1983
- 1983-10-13 JP JP15876383U patent/JPS6066147U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5275102A (en) * | 1975-12-18 | 1977-06-23 | Matsushita Electric Ind Co Ltd | Radio receiver |
| JPS5546392B2 (en) * | 1976-06-04 | 1980-11-22 |
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