JPS6022044U - FM receiver multipath noise suppression device - Google Patents
FM receiver multipath noise suppression deviceInfo
- Publication number
- JPS6022044U JPS6022044U JP11139983U JP11139983U JPS6022044U JP S6022044 U JPS6022044 U JP S6022044U JP 11139983 U JP11139983 U JP 11139983U JP 11139983 U JP11139983 U JP 11139983U JP S6022044 U JPS6022044 U JP S6022044U
- Authority
- JP
- Japan
- Prior art keywords
- noise suppression
- suppression device
- multipath noise
- circuit connected
- output
- 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
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の装置のブ爾ツク図、第２図は本考案の一
実施例よりなるＦＭ受信機マルチパスノイズ抑圧装置の
ブロック図、第３図は一例よりなるボトム検波回路の回
路図、第４図は本考案に用いる検波回路の原理を説明す
るための波形図、および第５図Ａ〜Ｃは本考案の効果を
説明するための波形図である。
２−１・・・中間周波アンプ（兼検波）回路、２−２・
・・レベル検波回路、２−４・・・検波回路、４・・・
ノイズ抑圧制御回路。FIG. 1 is a block diagram of a conventional device, FIG. 2 is a block diagram of an FM receiver multipath noise suppression device according to an embodiment of the present invention, and FIG. 3 is a circuit diagram of an example bottom detection circuit. , FIG. 4 is a waveform diagram for explaining the principle of the detection circuit used in the present invention, and FIGS. 5A to 5C are waveform diagrams for explaining the effects of the present invention. 2-1...Intermediate frequency amplifier (combined detection) circuit, 2-2.
...Level detection circuit, 2-4...Detection circuit, 4...
Noise suppression control circuit.
Claims (1)
に接続された中間周波アンプ回路と、該出力に接続され
たマルチプレクス回路と、上記信号ライン中に接続され
たノイズ抑圧制御回路とを有し、かつ、上記中間周波ア
ンプ回路に接続されたレベル検波回路と、該出力に接続
された直流変換回路とを有し、該直流変換回路の出力信
号により上記ノイズ抑圧制御回路を制御するように構成
されたＦＭ受信機マルチパスノイズ抑圧装置において、
上記直流変換回路として、低レベル側で検波を行う検波
回路を用いたことを特徴とするＦＭ受信機マルチパスノ
イズ抑圧装置。It has a front end for selecting a desired frequency, an intermediate frequency amplifier circuit connected to the output, a multiplex circuit connected to the output, and a noise suppression control circuit connected to the signal line. and a level detection circuit connected to the intermediate frequency amplifier circuit, and a DC conversion circuit connected to the output thereof, and configured to control the noise suppression control circuit by the output signal of the DC conversion circuit. In the FM receiver multipath noise suppression device,
An FM receiver multipath noise suppression device characterized in that a detection circuit that performs detection on the low level side is used as the DC conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11139983U JPS6022044U (en) | 1983-07-20 | 1983-07-20 | FM receiver multipath noise suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11139983U JPS6022044U (en) | 1983-07-20 | 1983-07-20 | FM receiver multipath noise suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6022044U true JPS6022044U (en) | 1985-02-15 |
Family
ID=30258678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11139983U Pending JPS6022044U (en) | 1983-07-20 | 1983-07-20 | FM receiver multipath noise suppression device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022044U (en) |
-
1983
- 1983-07-20 JP JP11139983U patent/JPS6022044U/en active Pending
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