JP5473525B2 - コンパレータベース/ゼロクロスベーススイッチドキャパシタ回路において非直線性を除去すると共にオフセット誤差をキャンセルするためのシステム及び方法 - Google Patents
コンパレータベース/ゼロクロスベーススイッチドキャパシタ回路において非直線性を除去すると共にオフセット誤差をキャンセルするためのシステム及び方法 Download PDFInfo
- Publication number
- JP5473525B2 JP5473525B2 JP2009235587A JP2009235587A JP5473525B2 JP 5473525 B2 JP5473525 B2 JP 5473525B2 JP 2009235587 A JP2009235587 A JP 2009235587A JP 2009235587 A JP2009235587 A JP 2009235587A JP 5473525 B2 JP5473525 B2 JP 5473525B2
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- input
- output
- comparator
- circuit
- capacitor
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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
- H03F3/005—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements using switched capacitors, e.g. dynamic amplifiers; using switched capacitors as resistors in differential amplifiers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Manipulation Of Pulses (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/249,746 | 2008-10-10 | ||
| US12/249,746 US7936291B2 (en) | 2008-10-10 | 2008-10-10 | System and method for removing nonlinearities and cancelling offset errors in comparator based/zero crossing based switched capacitor circuits |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010093818A JP2010093818A (ja) | 2010-04-22 |
| JP2010093818A5 JP2010093818A5 (enExample) | 2011-04-14 |
| JP5473525B2 true JP5473525B2 (ja) | 2014-04-16 |
Family
ID=42098299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009235587A Active JP5473525B2 (ja) | 2008-10-10 | 2009-10-09 | コンパレータベース/ゼロクロスベーススイッチドキャパシタ回路において非直線性を除去すると共にオフセット誤差をキャンセルするためのシステム及び方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7936291B2 (enExample) |
| JP (1) | JP5473525B2 (enExample) |
| DE (1) | DE102009045525B4 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5117451B2 (ja) * | 2009-06-30 | 2013-01-16 | オンセミコンダクター・トレーディング・リミテッド | スイッチトキャパシタ回路、およびアナログデジタル変換器 |
| US9225247B2 (en) | 2014-03-31 | 2015-12-29 | Freescale Semiconductor, Inc. | Comparator for synchronous rectification and method of operation |
| US9312768B2 (en) | 2014-03-31 | 2016-04-12 | Freescale Semiconductor, Inc. | Comparator for synchronous rectification and method of operation |
| KR101567895B1 (ko) * | 2014-05-16 | 2015-11-10 | 전자부품연구원 | 정현파의 제로 교차 검출 장치 및 방법 |
| JP2016225840A (ja) * | 2015-05-29 | 2016-12-28 | 株式会社東芝 | 増幅回路、ad変換器、無線通信装置、及びセンサシステム |
| EP3829058A1 (en) * | 2019-11-26 | 2021-06-02 | ams International AG | Switched-capacitor amplifier and pipelined analog-to-digital converter comprising the same |
| CN112600540B (zh) * | 2021-03-04 | 2021-05-14 | 上海南芯半导体科技有限公司 | 一种适用于无线充电中电流解调的高精度比较器 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58130608A (ja) * | 1982-01-29 | 1983-08-04 | Hitachi Ltd | チヨツパ増幅回路 |
| US4996529A (en) | 1989-04-10 | 1991-02-26 | Motorola, Inc. | Auto-zeroing circuit for offset cancellation |
| WO1996037951A1 (en) | 1995-05-23 | 1996-11-28 | Analog Devices, Inc. | Switched capacitor offset suppression |
| US5818374A (en) * | 1996-05-08 | 1998-10-06 | Telefonaktiebolaget Lm Ericsson | Switched current delta-sigma modulator |
| US6931124B1 (en) * | 2000-01-13 | 2005-08-16 | Acoustic Technology, Inc. | Soft mute circuit |
| JP3628636B2 (ja) | 2001-07-30 | 2005-03-16 | シャープ株式会社 | スイッチトキャパシタ回路 |
| JP4241338B2 (ja) * | 2003-11-21 | 2009-03-18 | パナソニック電工株式会社 | センサ信号処理装置 |
| US7486115B2 (en) | 2005-07-01 | 2009-02-03 | Cambridge Analog Technologies, Inc. | Sampled-data circuits using zero crossing detection |
| US7522086B2 (en) * | 2005-12-29 | 2009-04-21 | Cambridge Analog Technologies, Inc. | Reference circuits for sampled-data circuits |
| WO2007109506A2 (en) | 2006-03-21 | 2007-09-27 | Cambridge Analog Technology, Llc | Offset cancellation for sampled-data circuits |
| JP4922204B2 (ja) * | 2007-02-19 | 2012-04-25 | 株式会社東芝 | 信号検出回路 |
| US7474163B1 (en) * | 2007-05-30 | 2009-01-06 | Sensor Platforms, Inc. | System and method for oscillator noise cancellation |
-
2008
- 2008-10-10 US US12/249,746 patent/US7936291B2/en active Active
-
2009
- 2009-10-09 DE DE102009045525.6A patent/DE102009045525B4/de active Active
- 2009-10-09 JP JP2009235587A patent/JP5473525B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010093818A (ja) | 2010-04-22 |
| DE102009045525B4 (de) | 2024-02-22 |
| US20100090724A1 (en) | 2010-04-15 |
| DE102009045525A1 (de) | 2010-06-10 |
| US7936291B2 (en) | 2011-05-03 |
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