JPS59147336U - fm radio receiver - Google Patents
fm radio receiverInfo
- Publication number
- JPS59147336U JPS59147336U JP4050883U JP4050883U JPS59147336U JP S59147336 U JPS59147336 U JP S59147336U JP 4050883 U JP4050883 U JP 4050883U JP 4050883 U JP4050883 U JP 4050883U JP S59147336 U JPS59147336 U JP S59147336U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate frequency
- signal
- radio receiver
- frequency signal
- level
- 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
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Noise Elimination (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
図は本考案の一実施例の回路図である。
１・・・ＦＭ中間周波増幅段、２・・・中間周波増幅段
のトランジスタ、３・・・中間周波トランス、４・・・
ＦＭ検波器、６・・・音量調節用可能抵抗器、７・・・
低周波増幅器、９・・・制御ブロック、１１．１２・・
・整流用ダイオード、１６．１９・・・トランジスタ、
２２・・・高域低減回路。The figure is a circuit diagram of an embodiment of the present invention. 1... FM intermediate frequency amplification stage, 2... Transistor of intermediate frequency amplification stage, 3... Intermediate frequency transformer, 4...
FM detector, 6... Resistor for volume adjustment, 7...
Low frequency amplifier, 9... Control block, 11.12...
・Rectifier diode, 16.19...transistor,
22...High frequency reduction circuit.
Claims (1)
変換する装置と、該装置の出力する直流信号により低周
波信号の高域低減回路の接地側端子の接地端子への断続
を制御する装置を具備し、上記中間周波信号のレベルが
小さいとき、上記高域低減回路の接地側端子を実効的に
接地し、上記中間周波信号のレベルが大きいとき実効的
に接地しないように構成したことを特徴とするＦＭラジ
オ受信機。It is equipped with a device that extracts an intermediate frequency signal from an intermediate frequency amplifier and converts it into a DC signal, and a device that uses the DC signal outputted from the device to control disconnection of the ground side terminal of the high frequency reduction circuit of the low frequency signal to the ground terminal. , characterized in that when the level of the intermediate frequency signal is low, the ground side terminal of the high frequency reduction circuit is effectively grounded, and when the level of the intermediate frequency signal is high, it is not effectively grounded. FM radio receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4050883U JPS59147336U (en) | 1983-03-18 | 1983-03-18 | fm radio receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4050883U JPS59147336U (en) | 1983-03-18 | 1983-03-18 | fm radio receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59147336U true JPS59147336U (en) | 1984-10-02 |
Family
ID=30171131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4050883U Pending JPS59147336U (en) | 1983-03-18 | 1983-03-18 | fm radio receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59147336U (en) |
-
1983
- 1983-03-18 JP JP4050883U patent/JPS59147336U/en active Pending
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