KR880006838A - 차동비교회로 - Google Patents
차동비교회로 Download PDFInfo
- Publication number
- KR880006838A KR880006838A KR870013505A KR870013505A KR880006838A KR 880006838 A KR880006838 A KR 880006838A KR 870013505 A KR870013505 A KR 870013505A KR 870013505 A KR870013505 A KR 870013505A KR 880006838 A KR880006838 A KR 880006838A
- Authority
- KR
- South Korea
- Prior art keywords
- current
- mirror circuit
- transistor
- differential
- resistor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
-
- 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
- H03K3/2897—Bistables with hysteresis, e.g. Schmitt trigger with an input circuit of differential configuration
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manipulation Of Pulses (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시에에 따른 차동비교회로의 구성도.
제2도는 제1도의 호로구성에 따른 히스테리시스특성을 나타낸 도면.
제3도는 제1도의 구체적인 회로구성을 나타낸 도면.
Claims (3)
- 히스테리시스특성을 갖는 차동비교회로에 있어서, 저항(21)을 통해 접속되어 차동쌍을 구성하는 한쪽의 트랜지스터(1)를 바이어스해 주게 됨과 더불어 다른쪽의 트랜지스터(3)를 상기 저항(21)을 통해 바이어스해 주는 전류원(23)을 구비하고 있는 차동증폭수단과, 이 차동증폭수단의 출력신호에 따라 상기 전류원(23)의 바이어스전류값을 제어해 주는 전류제어수단(25)을 갖춘 것을 특징으로 하는 차동비교회로.
- 제1항에 있어서, 상기 전류원(23)과 상기 전류제어수단(25)은 병렬로 접속된 트랜지스터(31,33,37)를 갖추고 있는 전류미러회로와 상기 출력신호에 따라 상기 병렬접속된 한쪽의 트랜지스터를 그 에미터전위를 변화시켜 줌으로써 도통제어해 주는 트랜지스터(43)를 이루어진 것을 특징으로 하는 차동비교회로.
- 제1항에 있어서, 상기 전류원(23)과 전류제어수단(25)은 상기 차동증폭수단의 한쪽의 트랜지스터에 병렬로 접속되어 바이어스전류를 형성시켜 주는 제1전류 미러회로(55) 및 제2전류미러회로(61)와, 상기 출력신호에 따라 상기 제2전류미러회로(61)를 도통제어해 주는 제3전류미러회로(67)로 이루어진 것을 특징으로 하는 차동비교회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61282132A JPS63136712A (ja) | 1986-11-28 | 1986-11-28 | 差動比較回路 |
JP61-281232 | 1986-11-28 | ||
JP282132 | 1987-11-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880006838A true KR880006838A (ko) | 1988-07-25 |
KR910001373B1 KR910001373B1 (ko) | 1991-03-04 |
Family
ID=17648529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870013505A KR910001373B1 (ko) | 1986-11-28 | 1987-11-28 | 차동비교회로 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4806791A (ko) |
JP (1) | JPS63136712A (ko) |
KR (1) | KR910001373B1 (ko) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5014087A (en) * | 1988-09-28 | 1991-05-07 | Byers Thomas L | Phototool with hinge assembly |
JPH06101671B2 (ja) * | 1989-09-27 | 1994-12-12 | 株式会社東芝 | 電圧比較回路 |
US5155388A (en) * | 1990-12-20 | 1992-10-13 | Hewlett-Packard Company | Logic gates with controllable time delay |
US5500615A (en) * | 1991-12-06 | 1996-03-19 | Tektronix, Inc. | Low power CCD driver with symmetrical output drive signal |
US5300827A (en) * | 1992-07-27 | 1994-04-05 | International Business Machines Corporation | Noise immune NTL logic network |
US5336946A (en) * | 1992-12-22 | 1994-08-09 | National Semiconductor Corporation | Differential output stage with reduced idle current |
EP0689731A1 (en) * | 1993-03-17 | 1996-01-03 | National Semiconductor Corporation | Frequency shift circuit for switching regulator |
US5367211A (en) * | 1993-06-28 | 1994-11-22 | Harris Corporation | Differential amplifier with hysteresis |
JP2681001B2 (ja) * | 1994-08-31 | 1997-11-19 | 日本電気アイシーマイコンシステム株式会社 | コンパレータ回路 |
US5587674A (en) * | 1994-12-30 | 1996-12-24 | Sgs-Thomson Microelectronics, Inc. | Comparator with built-in hysteresis |
US5656957A (en) * | 1995-10-19 | 1997-08-12 | Sgs-Thomson Microelectronics, Inc. | Comparator circuit with hysteresis |
US5608344A (en) * | 1995-10-19 | 1997-03-04 | Sgs-Thomson Microelectronics, Inc. | Comparator circuit with hysteresis |
US6259280B1 (en) * | 1997-09-25 | 2001-07-10 | Texas Instruments Incorporated | Class AB amplifier for use in semiconductor memory devices |
US6614285B2 (en) * | 1998-04-03 | 2003-09-02 | Cirrus Logic, Inc. | Switched capacitor integrator having very low power and low distortion and noise |
US6407605B1 (en) * | 1999-11-01 | 2002-06-18 | Wabash Technology Corporation | Variable hysteresis circuit |
US6448821B1 (en) * | 2000-02-25 | 2002-09-10 | National Semiconductor Corporation | Comparator circuit for comparing differential input signal with reference signal and method |
JP4697997B2 (ja) * | 2000-04-13 | 2011-06-08 | エルピーダメモリ株式会社 | 内部電圧発生回路 |
US6476649B1 (en) | 2000-11-17 | 2002-11-05 | International Business Machines Corporation | Driver output swing control using a mirror driver |
US7796173B2 (en) * | 2003-08-13 | 2010-09-14 | Lettvin Jonathan D | Imaging system |
WO2005050392A2 (en) * | 2003-11-17 | 2005-06-02 | Lettvin Jonathan D | Geometric remapping with delay lines |
CN101847981B (zh) * | 2010-04-12 | 2012-06-06 | 无锡中星微电子有限公司 | 多输入比较器和电源转换电路 |
US10175271B2 (en) | 2012-12-31 | 2019-01-08 | Silicon Laboratories Inc. | Apparatus for differencing comparator and associated methods |
GB2533299A (en) * | 2014-12-15 | 2016-06-22 | Nordic Semiconductor Asa | Differential comparator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3988595A (en) * | 1976-01-19 | 1976-10-26 | Fairchild Camera And Instrument Corporation | High-gain differential input comparator with emitter feedback input hysteresis |
JPS5750139A (en) * | 1980-09-10 | 1982-03-24 | Toshiba Corp | Hysteresis circuit |
JPS6054513A (ja) * | 1983-09-06 | 1985-03-29 | Nec Corp | 差動入力コンパレ−タ |
JPS6143014A (ja) * | 1984-08-06 | 1986-03-01 | Sharp Corp | ヒステリシス付コンパレ−タ |
JPS61263306A (ja) * | 1985-05-17 | 1986-11-21 | Matsushita Electric Ind Co Ltd | ヒステリシス・コンパレ−タ回路 |
JPH0666648B2 (ja) * | 1985-05-17 | 1994-08-24 | 松下電器産業株式会社 | ヒステリシスコンパレ−タ |
-
1986
- 1986-11-28 JP JP61282132A patent/JPS63136712A/ja active Pending
-
1987
- 1987-11-10 US US07/119,080 patent/US4806791A/en not_active Expired - Lifetime
- 1987-11-28 KR KR1019870013505A patent/KR910001373B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910001373B1 (ko) | 1991-03-04 |
JPS63136712A (ja) | 1988-06-08 |
US4806791A (en) | 1989-02-21 |
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