JPS5963543U - FM receiver noise suppression device - Google Patents
FM receiver noise suppression deviceInfo
- Publication number
- JPS5963543U JPS5963543U JP15829482U JP15829482U JPS5963543U JP S5963543 U JPS5963543 U JP S5963543U JP 15829482 U JP15829482 U JP 15829482U JP 15829482 U JP15829482 U JP 15829482U JP S5963543 U JPS5963543 U JP S5963543U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- amplifier
- output
- suppression device
- level detection
- 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.)
- Granted
Links
Landscapes
- Superheterodyne Receivers (AREA)
- Noise Elimination (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・・・従来知られているノイズ抑圧装置のブロッ
クダイアグラム、第２図・・・この考案の一実施例のブ
ロックダイアグラム、第３図・・・その動作説明図、第
４図・・・他の実施例のブロックダイアグラム。Fig. 1: A block diagram of a conventionally known noise suppression device, Fig. 2: A block diagram of an embodiment of this invention, Fig. 3: An explanatory diagram of its operation, Fig. 4: -Block diagram of other embodiments.
Claims (1)
トロール信号用ＩＦアンプと、コントロール信号用ＩＦ
アンプ番゛こ接続されたレベル検波回路の出力またはＩ
Ｆ回路に含まれるレベル検波回路の出力で前記アッテネ
ータを駆動するＡＧＣ回路とを備え、ＡＧＣループの時
定数を大きく設定することによりアンテナ入力レベルが
瞬間的に低下したことを検知し、コントロール信号用Ｉ
Ｆアンプに接続されたレベル検波回路の出力で少なくと
も電子−ボリューム回路、ハイカットコントロール回路
オよびセパレーションコントロール回路のうち１つの回
路を制御してマルチパスノイズを除去することを特徴と
するＦＭ受信機のノイズ抑圧装置。Control signal IF amplifier connected to the front end via an attenuator and control signal IF
The output or I of the level detection circuit connected to the amplifier
The F circuit includes an AGC circuit that drives the attenuator with the output of the level detection circuit included in the F circuit, and by setting a large time constant of the AGC loop, it detects an instantaneous drop in the antenna input level and uses it for control signals. I
An FM receiver characterized in that multipath noise is removed by controlling at least one of an electronic volume circuit, a high cut control circuit, and a separation control circuit using the output of a level detection circuit connected to an F amplifier. Noise suppression device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15829482U JPS5963543U (en) | 1982-10-21 | 1982-10-21 | FM receiver noise suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15829482U JPS5963543U (en) | 1982-10-21 | 1982-10-21 | FM receiver noise suppression device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5963543U true JPS5963543U (en) | 1984-04-26 |
| JPS6334358Y2 JPS6334358Y2 (en) | 1988-09-12 |
Family
ID=30348760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15829482U Granted JPS5963543U (en) | 1982-10-21 | 1982-10-21 | FM receiver noise suppression device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5963543U (en) |
-
1982
- 1982-10-21 JP JP15829482U patent/JPS5963543U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6334358Y2 (en) | 1988-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5963543U (en) | FM receiver noise suppression device | |
| JPS6454432U (en) | ||
| JPS60172452U (en) | Diversity receiving device | |
| JPS60114446U (en) | FM receiver pulse noise suppression device | |
| JPS6032832U (en) | Receiver automatic channel selection device | |
| JPS615014U (en) | Operation level optimization control circuit | |
| JPS6079824U (en) | Automatic volume control circuit for radio equipment | |
| JPS59129233U (en) | Tone squelch malfunction prevention circuit | |
| JPS6129523U (en) | Muting circuit for acoustic transmission system | |
| JPS5866748U (en) | fm stereo receiver | |
| JPS58127707U (en) | Signal stop device | |
| JPS5911540U (en) | squelch circuit | |
| JPS5920741U (en) | FM receiver noise suppression device | |
| JPS6052744U (en) | control circuit | |
| JPS604046U (en) | Receiver AGC voltage generation circuit | |
| JPS59154941U (en) | transmitter circuit | |
| JPS6019257U (en) | automatic adjustment device | |
| JPS5948150U (en) | receiving device | |
| JPS59161752U (en) | FM reception input detection circuit | |
| JPS60169950U (en) | FM receiver | |
| JPS5866744U (en) | receiving device | |
| JPS5995408U (en) | Automatic adjustment device for music frequency characteristics | |
| JPS6017019U (en) | volume control circuit | |
| JPS59187250U (en) | Multipath noise suppression device | |
| JPS6019256U (en) | Receiver adjustment point detection device |