KR100431747B1 - 스위칭 노이즈가 제거된 스위치드 커패시터 적분기 - Google Patents
스위칭 노이즈가 제거된 스위치드 커패시터 적분기 Download PDFInfo
- Publication number
- KR100431747B1 KR100431747B1 KR10-2001-0074985A KR20010074985A KR100431747B1 KR 100431747 B1 KR100431747 B1 KR 100431747B1 KR 20010074985 A KR20010074985 A KR 20010074985A KR 100431747 B1 KR100431747 B1 KR 100431747B1
- Authority
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- South Korea
- Prior art keywords
- capacitor
- input
- operational amplifier
- switched
- unit
- Prior art date
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/64—Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
- G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements
- G06G7/186—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computational Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Power Engineering (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (5)
- 삭제
- 삭제
- 기준전압을 입력받아 출력하는 기준전압 입력부;클럭신호에 따라 스위칭되는 스위치에 의해 제1,2 입력전압과 상기 기준전압의 차이에 해당되는 전압을, 구비된 제1 커패시터에 충,방전시키는 스위치드-커패시터부;상기 기준전압입력부의 출력을 안정적으로 유지하기 위해, 상기 기준전압입력부와 상기 연산증폭기의 정입력단 사이에 접속된 저항과, 상기 연산증폭기의 정입력단과 접지전원 사이에 접속된 제2 커패시터를 구비하는 스위칭노이즈 제거부;부(-)입력으로 상기 스위치드-커패시터부의 출력을 입력받고, 정(+)입력으로 상기 스위칭노이즈제거부를 통하여 상기 기준전압입력부의 출력을 받는 연산증폭기; 및상기 연산증폭기의 출력을 상기 연산증폭기의 부(-)입력으로 피드백하는 피드백 커패시터를 구비하는 적분기.
- 제 3 항에 있어서,상기 기준전압입력부는 상기 기준전압을 정(+)입력으로 입력받고 출력이 부(-)입력으로 피드백되는 연산증폭기로 구성되는 것을 특징으로 하는 적분기.
- 제 4 항에 있어서,상기 스위치드-커패시터부는,상기 제1 커패시터;상기 제1 입력전압을 상기 제1 커패시터의 일측과 스위칭하는 제1 스위치;상기 제2 입력전압을 상기 제1 커패시터의 일측과 스위칭하는 제2 스위치;상기 제1 커패시터의 타측과 상기 연산증폭기의 부(-)입력을 스위칭하는 제3 스위치; 및상기 제1 커패시터의 타측과 상기 기준입력전압부의 출력을 스위칭하는 제4 스위치를 구비하는 것을 특징으로 하는 적분기.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0074985A KR100431747B1 (ko) | 2001-11-29 | 2001-11-29 | 스위칭 노이즈가 제거된 스위치드 커패시터 적분기 |
TW90133348A TWI253016B (en) | 2001-11-29 | 2001-12-31 | Switched-capacitor integrator |
US10/179,229 US6803802B2 (en) | 2001-11-29 | 2002-06-26 | Switched-capacitor integrator |
JP2002276418A JP3769597B6 (ja) | 2001-11-29 | 2002-09-20 | スイッチドキャパシタ積分器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0074985A KR100431747B1 (ko) | 2001-11-29 | 2001-11-29 | 스위칭 노이즈가 제거된 스위치드 커패시터 적분기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030044277A KR20030044277A (ko) | 2003-06-09 |
KR100431747B1 true KR100431747B1 (ko) | 2004-05-17 |
Family
ID=19716445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0074985A KR100431747B1 (ko) | 2001-11-29 | 2001-11-29 | 스위칭 노이즈가 제거된 스위치드 커패시터 적분기 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6803802B2 (ko) |
KR (1) | KR100431747B1 (ko) |
TW (1) | TWI253016B (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10341340A1 (de) * | 2003-09-08 | 2005-04-14 | Siemens Ag | Verfahren zur Leistungsregelung für ein mobiles Kommunikationsendgerät |
TWI294610B (en) * | 2004-09-03 | 2008-03-11 | Au Optronics Corp | A reference voltage circuit with a compensating circuit and a method of the same |
JP2008008724A (ja) * | 2006-06-28 | 2008-01-17 | Sanyo Electric Co Ltd | 電流検出回路 |
JP4877998B2 (ja) * | 2007-03-30 | 2012-02-15 | ルネサスエレクトロニクス株式会社 | 半導体集積回路装置 |
TWI441146B (zh) * | 2009-10-16 | 2014-06-11 | Au Optronics Corp | 顯示面板驅動電路、顯示面板、與其驅動方法 |
JP2011166419A (ja) * | 2010-02-09 | 2011-08-25 | Renesas Electronics Corp | スイッチドキャパシタ回路 |
KR101225990B1 (ko) * | 2011-02-01 | 2013-01-28 | 국방과학연구소 | 루프필터 및 이를 이용한 주파수 합성기 |
US9093925B2 (en) | 2011-05-03 | 2015-07-28 | University Of Science And Technology Of China | Switched capacitor charge pump driver for piezoelectric actuator |
US9316695B2 (en) * | 2012-12-28 | 2016-04-19 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
TWI536745B (zh) * | 2014-01-03 | 2016-06-01 | 瑞昱半導體股份有限公司 | 加入偏移値之轉換裝置與方法 |
JP6351026B2 (ja) * | 2014-01-31 | 2018-07-04 | アルプス電気株式会社 | 信号処理回路 |
CN107332563A (zh) * | 2017-05-31 | 2017-11-07 | 苏州真感微电子科技有限公司 | 降低开关电容输入电流的电路及开关电容的采样方法 |
KR102012504B1 (ko) * | 2017-12-29 | 2019-08-20 | 포항공과대학교 산학협력단 | 적분기-전달함수의 폴-오차를 보상하는 스위치드-커패시터 적분기회로 |
CN107968552B (zh) * | 2017-12-29 | 2020-01-03 | 电子科技大学 | 一种用于开关电源的浮动栅电压驱动电路 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4636738A (en) * | 1986-02-03 | 1987-01-13 | Motorola, Inc. | Parasitic compensated switched capacitor integrator |
JPH01265375A (ja) * | 1988-04-15 | 1989-10-23 | Matsushita Electric Ind Co Ltd | ビット積分回路 |
JPH05175787A (ja) * | 1991-06-06 | 1993-07-13 | Crystal Semiconductor Corp | チョッパ安定化をサンプリングレートで行なうスイッチトキャパシタ積分器 |
JPH0537300Y2 (ko) * | 1989-05-31 | 1993-09-21 | ||
JPH06301800A (ja) * | 1993-04-14 | 1994-10-28 | Matsushita Electric Ind Co Ltd | スイッチトキャパシタ積分器 |
JP2000307429A (ja) * | 1999-04-19 | 2000-11-02 | Denso Corp | オーバサンプリングd/a変換器、オーバサンプリングa/d変換器、及びスイッチトキャパシタ積分器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6087860A (en) * | 1998-10-14 | 2000-07-11 | Advanced Micro Devices, Inc. | Apparatus and method for generating an envelope for data signals using CMOS |
US6617908B1 (en) * | 2002-03-22 | 2003-09-09 | Cirrus Logic, Inc. | Switched-capacitor circuits with reduced distortion |
-
2001
- 2001-11-29 KR KR10-2001-0074985A patent/KR100431747B1/ko active IP Right Grant
- 2001-12-31 TW TW90133348A patent/TWI253016B/zh not_active IP Right Cessation
-
2002
- 2002-06-26 US US10/179,229 patent/US6803802B2/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4636738A (en) * | 1986-02-03 | 1987-01-13 | Motorola, Inc. | Parasitic compensated switched capacitor integrator |
JPH01265375A (ja) * | 1988-04-15 | 1989-10-23 | Matsushita Electric Ind Co Ltd | ビット積分回路 |
JPH0537300Y2 (ko) * | 1989-05-31 | 1993-09-21 | ||
JPH05175787A (ja) * | 1991-06-06 | 1993-07-13 | Crystal Semiconductor Corp | チョッパ安定化をサンプリングレートで行なうスイッチトキャパシタ積分器 |
JPH06301800A (ja) * | 1993-04-14 | 1994-10-28 | Matsushita Electric Ind Co Ltd | スイッチトキャパシタ積分器 |
JP2000307429A (ja) * | 1999-04-19 | 2000-11-02 | Denso Corp | オーバサンプリングd/a変換器、オーバサンプリングa/d変換器、及びスイッチトキャパシタ積分器 |
Also Published As
Publication number | Publication date |
---|---|
TWI253016B (en) | 2006-04-11 |
US6803802B2 (en) | 2004-10-12 |
JP2003203195A (ja) | 2003-07-18 |
KR20030044277A (ko) | 2003-06-09 |
JP3769597B2 (ja) | 2006-04-26 |
US20030099233A1 (en) | 2003-05-29 |
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