KR0180464B1 - 인덱스 펄스 발생회로 - Google Patents
인덱스 펄스 발생회로 Download PDFInfo
- Publication number
- KR0180464B1 KR0180464B1 KR1019960031323A KR19960031323A KR0180464B1 KR 0180464 B1 KR0180464 B1 KR 0180464B1 KR 1019960031323 A KR1019960031323 A KR 1019960031323A KR 19960031323 A KR19960031323 A KR 19960031323A KR 0180464 B1 KR0180464 B1 KR 0180464B1
- Authority
- KR
- South Korea
- Prior art keywords
- index
- voltage
- input terminal
- pulse
- comparing means
- 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.)
- Expired - Fee Related
Links
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
- H03K3/023—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
-
- 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
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Pulse Circuits (AREA)
- Manipulation Of Pulses (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
Description
Claims (4)
- 모터의 회전을 감지하여 펄스를 발생하는 인덱스 홀 센서; 상기 인덱스 홀 센서로 부터의 출력전압을 증폭하는 인덱스 증폭수단, 상기 인덱스 증폭수단의 출력전압이 인가되는 포지티브 입력단자와 제 1 전압이 인가되는 네거티브 입력단자를 가진 제 1 비교수단; 상기 제 1 비교수단의 포지티브 입력단자와 접지사이에 연결된 제 1 지연수단; 상기 제 1 비교수단의 포지티브 입력단자와 접지사이에 직렬 연결된 저항과 기준전압원; 소정 전류가 인가되는 포지티브 입력단자와 제 2 전압이 인가되는 네거티브 입력단자를 가진 제 2 비교수단; 상기 제 2 비교수단의 포지티브 입력단자와 접지사이에 연결된 제 2 지연수단; 및 상기 제 1 비교수단의 출력신호가 상승하여 상기 제 1 전압에 도달한 시점에서 제 1 상태로 천이하여 상기 제 2 비교수단의 출력신호가 상승하여 상기 제 2 전압에 도달한 시점에서 제 2 상태로 천이하는 인덱스 펄스를 발생하기 위한 인덱스 펄스 출력수단을 구비한 것을 특징으로 하는 인덱스 펄스 발생회로.
- 제 1 항에 있어서, 상기 제 1 전압 및 제 2 전압을 조절함에 의해서 인덱스 펄스의 펄스폭을 조절하는 것을 특징으로 하는 인덱스 펄스 발생회로.
- 제 1 항에 있어서, 상기 제 1 및 제 2 지연수단의 값을 조절함에 의해서 인덱스 펄스의 펄스폭을 조절하는 것을 특징으로 하는 인덱스 펄스 발생회로.
- 제 1 항에 있어서, 상기 제 1 및 제 2 지연수단은 캐패시터로 구성되어 있는 것을 특징으로 하는 인덱스 펄스 발생회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960031323A KR0180464B1 (ko) | 1996-07-29 | 1996-07-29 | 인덱스 펄스 발생회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960031323A KR0180464B1 (ko) | 1996-07-29 | 1996-07-29 | 인덱스 펄스 발생회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR980012931A KR980012931A (ko) | 1998-04-30 |
KR0180464B1 true KR0180464B1 (ko) | 1999-04-01 |
Family
ID=19468014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960031323A Expired - Fee Related KR0180464B1 (ko) | 1996-07-29 | 1996-07-29 | 인덱스 펄스 발생회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0180464B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4573007B2 (ja) * | 2000-07-13 | 2010-11-04 | エルピーダメモリ株式会社 | Dll回路、及び、dll制御方法 |
-
1996
- 1996-07-29 KR KR1019960031323A patent/KR0180464B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR980012931A (ko) | 1998-04-30 |
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Legal Events
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19960729 |
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PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19960729 Comment text: Request for Examination of Application |
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E701 | Decision to grant or registration of patent right | ||
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19981112 |
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