KR890016758A - 슈미트트리거회로 - Google Patents

슈미트트리거회로 Download PDF

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Publication number
KR890016758A
KR890016758A KR1019890005086A KR890005086A KR890016758A KR 890016758 A KR890016758 A KR 890016758A KR 1019890005086 A KR1019890005086 A KR 1019890005086A KR 890005086 A KR890005086 A KR 890005086A KR 890016758 A KR890016758 A KR 890016758A
Authority
KR
South Korea
Prior art keywords
voltage
comparing
input signal
signal vin
trigger circuit
Prior art date
Application number
KR1019890005086A
Other languages
English (en)
Other versions
KR920003447B1 (ko
Inventor
신타로 가와구치
Original Assignee
아오이 죠이치
가부시키가이샤 도시바
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 아오이 죠이치, 가부시키가이샤 도시바 filed Critical 아오이 죠이치
Publication of KR890016758A publication Critical patent/KR890016758A/ko
Application granted granted Critical
Publication of KR920003447B1 publication Critical patent/KR920003447B1/ko

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/286—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
    • H03K3/2893—Bistables with hysteresis, e.g. Schmitt trigger
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold

Abstract

내용 없음

Description

슈미트트리거회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 1실시예에 따른 슈미트트리거회로의 구성을 나타낸 회로도, 제 2 도 및 제 3 도는 제 1 도에 도시된 실시예회로의 동작을 설명하기 위한 타이밍차트.

Claims (1)

  1. 입력신호(Vin)의 최대전압(Vmax)을 검출하여 유지하는 최대전압검출수단(12)과, 입력신호의 최소전압(Vmin)을 검출하여 유지하는 최소전압검출수단(13), 직렬접속된 3개 이상의 저항으로 구성되어 상기 최대전압(Vmax)이 그일단에 공급됨과 더불어 상기 최소전압(Vmin)이 그 다른단에 공급되면서 각 저항의 직렬접속점에서 고레벨측 임계치전압(VA) 및 저레벨측 임계치전압(VC)을 발생시키는 임계치전압발생수단(20), 상기 입력신호(Vin)의 전압과 고레벨측 임계치전압(VA)을 비교하는 제 1 전압비교수단(연산증폭기 ; 14), 상기 입력신호(Vin)의 전압과 상기 저레벨측 임계치전압(VC)을 비교하는 제 2 전압비교수단(연산증폭기 ; 15) 및, 상기 제1 및 제 2 전압비교수단(14, 15)의 출력에 기초해서 제어되는 RS플립플롭회로(21)를 구비하여 구성된 것을 특징으로 하는 슈미트트리거회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890005086A 1988-04-18 1989-04-18 슈미트트리거회로 KR920003447B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63-95009 1988-04-18
JP63095009A JPH01265718A (ja) 1988-04-18 1988-04-18 シュミットトリガ回路
JP88-95009 1988-04-18

Publications (2)

Publication Number Publication Date
KR890016758A true KR890016758A (ko) 1989-11-30
KR920003447B1 KR920003447B1 (ko) 1992-05-01

Family

ID=14125940

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890005086A KR920003447B1 (ko) 1988-04-18 1989-04-18 슈미트트리거회로

Country Status (4)

Country Link
US (1) US5003196A (ko)
EP (1) EP0338517A3 (ko)
JP (1) JPH01265718A (ko)
KR (1) KR920003447B1 (ko)

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Also Published As

Publication number Publication date
US5003196A (en) 1991-03-26
EP0338517A2 (en) 1989-10-25
JPH01265718A (ja) 1989-10-23
EP0338517A3 (en) 1990-03-14
KR920003447B1 (ko) 1992-05-01

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