JPS60112134U - FM receiver - Google Patents
FM receiverInfo
- Publication number
- JPS60112134U JPS60112134U JP20396083U JP20396083U JPS60112134U JP S60112134 U JPS60112134 U JP S60112134U JP 20396083 U JP20396083 U JP 20396083U JP 20396083 U JP20396083 U JP 20396083U JP S60112134 U JPS60112134 U JP S60112134U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate frequency
- detection circuit
- receiving device
- signal
- frequency filter
- 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
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図は本考案によるＦＭ受信装置の一実施例を示す要
部回路図である。
１・・・・・・中間周波フィルタ、１ｃ・・・・・・可
変容量ダイオード、２・・・・・・検波回路、３・・・
・・・ステレオ復調回路、４・・・・・・中心周波数移
動制御回路。FIG. 1 is a circuit diagram of a main part of an embodiment of an FM receiver according to the present invention. 1... Intermediate frequency filter, 1c... Variable capacitance diode, 2... Detection circuit, 3...
... Stereo demodulation circuit, 4... Center frequency movement control circuit.
Claims (1)
し、この中間周波信号を中間周波フィルタに於いて選択
増幅した後に検波回路に供給して復調するＦＭ受信装置
に於いて、前記中間周波フィルタの通過帯域幅を狭くす
るとともに外部信号によって中心周波数が移動される構
成とし、この中間周波フィルタを検波回路の出力信号に
応じて制御することにより中心周波数を中間周波信号の
周波数偏移に追随して移動させることを特徴とするＦＭ
受信装置。In an FM receiving device that selectively receives FM broadcasts and converts them into intermediate frequency signals, selectively amplifies these intermediate frequency signals in an intermediate frequency filter, and then supplies them to a detection circuit for demodulation, the intermediate frequency filter is The passband width is narrowed and the center frequency is shifted by an external signal, and by controlling this intermediate frequency filter according to the output signal of the detection circuit, the center frequency follows the frequency shift of the intermediate frequency signal. FM characterized by moving
Receiving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20396083U JPS60112134U (en) | 1983-12-29 | 1983-12-29 | FM receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20396083U JPS60112134U (en) | 1983-12-29 | 1983-12-29 | FM receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60112134U true JPS60112134U (en) | 1985-07-30 |
Family
ID=30766363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20396083U Pending JPS60112134U (en) | 1983-12-29 | 1983-12-29 | FM receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112134U (en) |
-
1983
- 1983-12-29 JP JP20396083U patent/JPS60112134U/en active Pending
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