JPS5811331U - signal discrimination device - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の信号判別装置の回路図、第２図Ａ、　Ｂ
はその各部の信号波形図、第３図はこの考案の一実施例
の回路図、第４図Ａ、　Ｂはその各部の信号波形図であ
る。 ＣＰ・・・コンパレータ、Ｒ１，Ｒ２・・・分圧抵抗、
Ｒ３・・・抵抗、Ｃ工・・・コンデンサ。Figure 1 is a circuit diagram of a conventional signal discrimination device, Figure 2 A and B
3 is a circuit diagram of an embodiment of this invention, and FIGS. 4A and 4B are signal waveform diagrams of each part. CP... Comparator, R1, R2... Voltage dividing resistor,
R3...Resistor, C...Capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 自己のマイナス入力端を判別信号電圧の入力端としマイ
ナス入力端の電圧が自己のプラス入力端の電圧より高い
ときに自己の出力端の電圧が低レベルとなりマイナス入
力端の電圧がプラス入力端の電圧より低いときに出力端
の電圧が高レベルとなるコンパレータと、このコンパレ
ータのプラス入力端にしきい値電圧を与える第１および
第２の抵抗の値列回路と、前記フンパレータの出力端と
プラス入力端との間に接続した第３の抵抗およびコンデ
ンサの直列回路とを備えた信号判別装置。When the negative input terminal of the self is the input terminal of the discrimination signal voltage, and the voltage of the negative input terminal is higher than the voltage of the positive input terminal of the self, the voltage of the self output terminal becomes a low level, and the voltage of the negative input terminal becomes the voltage of the positive input terminal. a comparator whose output terminal has a high level voltage when the voltage is lower than the voltage, a value sequence circuit of first and second resistors that provides a threshold voltage to the positive input terminal of the comparator, and an output terminal and the positive input of the hum comparator. and a series circuit of a third resistor and a capacitor connected between the ends of the signal discriminator.