KR970031297A - 하강에지 검출회로 - Google Patents
하강에지 검출회로 Download PDFInfo
- Publication number
- KR970031297A KR970031297A KR1019950041301A KR19950041301A KR970031297A KR 970031297 A KR970031297 A KR 970031297A KR 1019950041301 A KR1019950041301 A KR 1019950041301A KR 19950041301 A KR19950041301 A KR 19950041301A KR 970031297 A KR970031297 A KR 970031297A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- output
- pulse
- monostable multivibrator
- width
- 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
Classifications
-
- 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
- H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
- H03K5/1534—Transition or edge detectors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/017—Adjustment of width or dutycycle of pulses
-
- 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
- H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
- H03K3/0232—Monostable circuits
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Manipulation Of Pulses (AREA)
Abstract
Description
Claims (5)
- 입력신호(Vin)를 펄스신호로 변환하는 비교부(11)와, 상기 비교부(11)의 출력신호를 미분하는 미분기(12)와, 상기 미분기(12)의 출력신호에 따라 트리거되어 제어전압(Vcon)의 레벨에 따라 폭이 가변되는 펄스신호를 발생하는 단안정 멀티바이브레이터(13)와, 상기 단안정 멀티바이브레이터(13)가 출력하는 펄스신호의 폭을 조절하는 펄스 폭 조절기(14)로 구성됨을 특징으로 하는 하강에지 검출회로.
- 제1항에 있어서, 상기 단안정 멀티바이브레이터(13)는, 미분기(12)의 출력신호에 따라 펄스 폭 조절기(14)의 출력신호를 충전 및 방전시키는 콘덴서(C2)와, 상기 콘덴서(C2)의 충전 레벨과 제어전압(Vcon)의 레벨에 따라 동작하여 펄스신호를 발생하는 차동 증폭기를 구비한 것을 특징으로 하는 하강에지 검출회로.
- 제1항 또는 제2항에 있어서, 상기 펄스 폭 조절기(14)의 출력신호 레벨을 가변시켜 단안정 멀티바이브레이터(13)의 출력 펄스신호 폭을 가변시키는 것을 특징으로 하는 하강에지 검출회로.
- 제1항 또는 제2항에 있어서, 상기 제어전압(Vcon)의 레벨을 가변시켜 단안정 멀티바이브레이터(13)의 출력 펄스신호 폭을 가변시키는 것을 특징으로 하는 하강에지 검출회로.
- 제1항에 있어서, 상기 펄스 폭 조절기(14)는 전류 미러회로인 것을 특징으로 하는 하강에지 검출회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950041301A KR0144237B1 (ko) | 1995-11-14 | 1995-11-14 | 하강에지 검출회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950041301A KR0144237B1 (ko) | 1995-11-14 | 1995-11-14 | 하강에지 검출회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970031297A true KR970031297A (ko) | 1997-06-26 |
KR0144237B1 KR0144237B1 (ko) | 1998-08-17 |
Family
ID=19434082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950041301A Expired - Fee Related KR0144237B1 (ko) | 1995-11-14 | 1995-11-14 | 하강에지 검출회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0144237B1 (ko) |
-
1995
- 1995-11-14 KR KR1019950041301A patent/KR0144237B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR0144237B1 (ko) | 1998-08-17 |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19951114 |
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