KR100449950B1 - 부하구동력 가변형 증폭회로 - Google Patents
부하구동력 가변형 증폭회로 Download PDFInfo
- Publication number
- KR100449950B1 KR100449950B1 KR10-2002-0042304A KR20020042304A KR100449950B1 KR 100449950 B1 KR100449950 B1 KR 100449950B1 KR 20020042304 A KR20020042304 A KR 20020042304A KR 100449950 B1 KR100449950 B1 KR 100449950B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- output
- detection signal
- pmos transistor
- terminal
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 230000007704 transition Effects 0.000 claims abstract description 24
- 230000003321 amplification Effects 0.000 claims description 28
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims 6
- 239000003990 capacitor Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 238000013459 approach Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
- H03F3/345—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices
-
- 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
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
- H03F3/4521—Complementary long tailed pairs having parallel inputs and being supplied in parallel
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
- H03F3/3022—CMOS common source output SEPP amplifiers
- H03F3/3028—CMOS common source output SEPP amplifiers with symmetrical driving of the end stage
- H03F3/303—CMOS common source output SEPP amplifiers with symmetrical driving of the end stage using opamps as driving stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/30—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor
- H03F2203/30099—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor the pull transistor being gated by a switching element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/30—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor
- H03F2203/30132—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor the push transistor being gated by a switching element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7236—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers by (a ) switch(es)
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Electronic Switches (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
Description
Claims (10)
- 입력신호를 증폭시키고 그 신호에 응답하여 출력단을 풀업/풀다운 구동하기 위한 2단 연산증폭수단;상기 입력신호의 변화에 대응하는 상기 출력단의 천이구간을 검출하기 위한 천이구간 검출수단; 및상기 천이구간 검출수단으로부터 출력된 검출신호에 응답하여 상기 출력단의 천이구간에서 상기 출력단을 보조 구동하기 위한 부하구동력 가변수단을 구비하는 증폭회로.
- 제1항에 있어서,상기 검출수단은,상기 입력신호에 대응하는 상기 2단 연산증폭수단의 제1 및 제2증폭신호의 전압레벨 변화를 각각 감지하기 위한 제1 및 제2 슈미트 트리거;상기 제1 및 제2 슈미트 트리거의 출력신호를 입력하여 제1 검출신호를 출력하기 위한 배타적 논리합게이트; 및상기 제1 검출신호를 반전시켜 제2 검출신호를 출력하기 위한 인버터를 구비하는 것을 특징으로 하는 증폭회로.
- 삭제
- 제2항에 있어서,상기 부하구동력 가변수단은,상기 제2 검출신호에 응답하여 상기 출력단을 보조 풀업 구동하기 위한 보조 풀업부와,상기 제1 검출신호에 응답하여 상기 출력단을 보조 풀다운 구동하기 위한 보조 풀다운부를 구비하는 것을 특징으로 하는 증폭회로.
- 제4항에 있어서,상기 보조 풀업부는,전원전압단과 상기 출력단 사이에 접속된 제1 PMOS 트랜지스터;상기 제2 검출신호를 게이트 입력으로 하여 상기 제1 증폭신호를 상기 제1 PMOS 트랜지스터의 게이트단에 선택적으로 인가하기 위한 제1 NMOS 트랜지스터; 및상기 제2 검출신호를 게이트 입력으로 하여 상기 전원전압단과 상기 제1 PMOS 트랜지스터의 게이트단 사이를 절체하기 위한 제2 PMOS 트랜지스터를 구비하는 것을 특징으로 하는 증폭회로.
- 제5항에 있어서,상기 제1 PMOS 트랜지스터는 상기 2단 연산증폭수단에 구비된 풀업 PMOS 트랜지스터에 비해 4배 이상의 크기를 갖는 것을 특징으로 하는 증폭회로.
- 삭제
- 제4항에 있어서,상기 보조 풀다운부는,전원전압단과 상기 출력단 사이에 접속된 제1 NMOS 트랜지스터;상기 제1 검출신호를 게이트 입력으로 하여 상기 제2 증폭신호를 상기 제1 NMOS 트랜지스터의 게이트단에 선택적으로 인가하기 위한 제1 PMOS 트랜지스터; 및상기 제2 검출신호를 게이트 입력으로 하여 접지전압단과 상기 제1 NMOS 트랜지스터의 게이트단 사이를 절체하기 위한 제2 NMOS 트랜지스터를 구비하는 것을 특징으로 하는 증폭회로.
- 제8항에 있어서,상기 제1 NMOS 트랜지스터는 상기 2단 연산증폭수단에 구비된 풀다운 PMOS 트랜지스터에 비해 4배 이상의 크기를 갖는 것을 특징으로 하는 증폭회로.
- 삭제
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0042304A KR100449950B1 (ko) | 2002-07-19 | 2002-07-19 | 부하구동력 가변형 증폭회로 |
US10/614,757 US6885240B2 (en) | 2002-07-19 | 2003-07-08 | Amplifying circuit with variable load drivability |
JP2003276212A JP4711608B2 (ja) | 2002-07-19 | 2003-07-17 | 負荷駆動能力可変型増幅回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0042304A KR100449950B1 (ko) | 2002-07-19 | 2002-07-19 | 부하구동력 가변형 증폭회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040008636A KR20040008636A (ko) | 2004-01-31 |
KR100449950B1 true KR100449950B1 (ko) | 2004-09-30 |
Family
ID=31944832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0042304A KR100449950B1 (ko) | 2002-07-19 | 2002-07-19 | 부하구동력 가변형 증폭회로 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6885240B2 (ko) |
JP (1) | JP4711608B2 (ko) |
KR (1) | KR100449950B1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10335067B4 (de) * | 2003-07-31 | 2007-09-27 | Texas Instruments Deutschland Gmbh | Operationsverstärker |
US7288993B2 (en) * | 2005-01-25 | 2007-10-30 | Analog Devices, Inc. | Small signal amplifier with large signal output boost stage |
FR2888433A1 (fr) * | 2005-07-05 | 2007-01-12 | St Microelectronics Sa | Protection d'une quantite numerique contenue dans un circuit integre comportant une interface jtag |
JP2007104358A (ja) * | 2005-10-05 | 2007-04-19 | Matsushita Electric Ind Co Ltd | Cmos増幅装置 |
KR101104768B1 (ko) * | 2010-05-03 | 2012-01-12 | 황철원 | 헤어용품 |
KR101921772B1 (ko) * | 2011-05-13 | 2018-11-23 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 |
CN107148750A (zh) * | 2014-11-07 | 2017-09-08 | 索尼公司 | 差动放大器、接收器和电路 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960006285A (ko) * | 1994-07-20 | 1996-02-23 | 더블유, 브라이언 화니 | 용량성 부하 구동용 로우에서 하이로의 전압 cmos 구동 회로 |
JPH09139663A (ja) * | 1995-11-14 | 1997-05-27 | Fujitsu Ltd | 出力回路 |
KR970055458A (ko) * | 1995-12-14 | 1997-07-31 | 김광호 | 구동능력 가변형 출력구동회로 |
KR19980037503A (ko) * | 1996-11-22 | 1998-08-05 | 김영환 | 반도체 메모리장치의 저전력 감지증폭기 |
JP2000252769A (ja) * | 1998-12-28 | 2000-09-14 | Fujitsu Ltd | プッシュプル型増幅回路 |
JP2000252771A (ja) * | 1999-03-01 | 2000-09-14 | Tokin Corp | 演算増幅器 |
JP2001308690A (ja) * | 2000-04-20 | 2001-11-02 | Denso Corp | 電気負荷駆動用ic及びその使用方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0630416B2 (ja) * | 1986-11-25 | 1994-04-20 | 日本電気株式会社 | 演算増幅回路 |
US4797631A (en) * | 1987-11-24 | 1989-01-10 | Texas Instruments Incorporated | Folded cascode amplifier with rail-to-rail common-mode range |
JP3302030B2 (ja) * | 1990-10-09 | 2002-07-15 | 株式会社東芝 | バッファ回路 |
JPH0537353A (ja) * | 1991-08-01 | 1993-02-12 | Nec Eng Ltd | 差動増幅器 |
US5606287A (en) * | 1994-06-17 | 1997-02-25 | Fujitsu Limited | Operational amplifier having stable operations for a wide range of source voltage, and current detector circuit employing a small number of elements |
JP2927729B2 (ja) * | 1995-05-11 | 1999-07-28 | 松下電器産業株式会社 | 演算増幅装置 |
US5880638A (en) * | 1997-03-20 | 1999-03-09 | Maxim Integrated Products | Rail-to-rail operational amplifier and method for making same |
US6275074B1 (en) * | 1998-01-06 | 2001-08-14 | Texas Instruments Incorporated | System for propagating a digital signal through a slew-rate limited node and method of operation |
JP4116220B2 (ja) * | 2000-03-07 | 2008-07-09 | 本田技研工業株式会社 | 溶接ロボットにおけるチップ整形方法 |
JP3958491B2 (ja) * | 2000-02-25 | 2007-08-15 | 新日本無線株式会社 | 駆動回路 |
-
2002
- 2002-07-19 KR KR10-2002-0042304A patent/KR100449950B1/ko active IP Right Grant
-
2003
- 2003-07-08 US US10/614,757 patent/US6885240B2/en not_active Expired - Lifetime
- 2003-07-17 JP JP2003276212A patent/JP4711608B2/ja not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960006285A (ko) * | 1994-07-20 | 1996-02-23 | 더블유, 브라이언 화니 | 용량성 부하 구동용 로우에서 하이로의 전압 cmos 구동 회로 |
JPH09139663A (ja) * | 1995-11-14 | 1997-05-27 | Fujitsu Ltd | 出力回路 |
KR970055458A (ko) * | 1995-12-14 | 1997-07-31 | 김광호 | 구동능력 가변형 출력구동회로 |
KR19980037503A (ko) * | 1996-11-22 | 1998-08-05 | 김영환 | 반도체 메모리장치의 저전력 감지증폭기 |
JP2000252769A (ja) * | 1998-12-28 | 2000-09-14 | Fujitsu Ltd | プッシュプル型増幅回路 |
JP2000252771A (ja) * | 1999-03-01 | 2000-09-14 | Tokin Corp | 演算増幅器 |
JP2001308690A (ja) * | 2000-04-20 | 2001-11-02 | Denso Corp | 電気負荷駆動用ic及びその使用方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4711608B2 (ja) | 2011-06-29 |
US6885240B2 (en) | 2005-04-26 |
JP2004056826A (ja) | 2004-02-19 |
US20040051587A1 (en) | 2004-03-18 |
KR20040008636A (ko) | 2004-01-31 |
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