JPS60119149U

JPS60119149U - limiter circuit

Info

Publication number: JPS60119149U
Application number: JP461484U
Authority: JP
Inventors: 桜井　久仁夫
Original assignee: パイオニア株式会社
Priority date: 1984-01-19
Filing date: 1984-01-19
Publication date: 1985-08-12

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

[Brief explanation of drawings]

第１−・・・従来知られているリミッタ回路のブロック
図、第２図・・・そのスライス回路の入出力波形を示す
動作説明図、第３図・・・この考案の第１実施例である
リミッタ回路のブロック図、第４図・・・そ　　　゛の
入出力波形を示す動作説明図、第５図・・・第２実施例
のブロック図。１・・・中間周波増幅器、２・・・スライス回路、３・
・・ゲイン可変増幅器、４・・・ＡＭ検波器、５・・・
減衰量可変アッテネータ。1. A block diagram of a conventionally known limiter circuit, FIG. 2. An operation explanatory diagram showing input and output waveforms of the slice circuit, and 3. A first embodiment of this invention. FIG. 4 is a block diagram of a certain limiter circuit, an operation explanatory diagram showing its input and output waveforms, and FIG. 5 is a block diagram of a second embodiment. 1... Intermediate frequency amplifier, 2... Slice circuit, 3...
...Variable gain amplifier, 4...AM detector, 5...
Variable attenuation attenuator.

Claims

[Scope of utility model registration request]

It is provided in the intermediate frequency amplification stage of the FM receiver, and consists of a variable gain amplifier or variable attenuation attenuator, and a 6AM detector that detects the amplitude change component in the signal and controls the operation of the variable gain amplifier or variable attenuation attenuator. A limiter circuit characterized in that it obtains an output signal of a constant amplitude by canceling the amplitude variation ′ of the input signal.