ITTO20090431A1 - Filtro passabanda a condensatori commutati di tipo tempo-discreto, in particolare per la cancellazione dell'offset e di rumore a bassa frequenza di stadi a condensatori commutati - Google Patents
Filtro passabanda a condensatori commutati di tipo tempo-discreto, in particolare per la cancellazione dell'offset e di rumore a bassa frequenza di stadi a condensatori commutatiInfo
- Publication number
- ITTO20090431A1 ITTO20090431A1 IT000431A ITTO20090431A ITTO20090431A1 IT TO20090431 A1 ITTO20090431 A1 IT TO20090431A1 IT 000431 A IT000431 A IT 000431A IT TO20090431 A ITTO20090431 A IT TO20090431A IT TO20090431 A1 ITTO20090431 A1 IT TO20090431A1
- Authority
- IT
- Italy
- Prior art keywords
- sampling
- input
- switched capacitors
- filter
- passabanda
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 title 2
- 238000005070 sampling Methods 0.000 abstract 7
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/004—Switched capacitor networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Amplifiers (AREA)
- Gyroscopes (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITTO2009A000431A IT1394627B1 (it) | 2009-06-05 | 2009-06-05 | Filtro passabanda a condensatori commutati di tipo tempo-discreto, in particolare per la cancellazione dell'offset e di rumore a bassa frequenza di stadi a condensatori commutati |
| EP10165027A EP2259426B1 (en) | 2009-06-05 | 2010-06-04 | Switched-capacitor band-pass filter of a discrete-time type, in particular for cancelling offset and low-frequency noise of switched-capacitor stages |
| US12/794,428 US8497746B2 (en) | 2009-06-05 | 2010-06-04 | Switched-capacitor band-pass filter of a discrete-time type, in particular for cancelling offset and low-frequency noise of switched-capacitor stages |
| US13/928,024 US9106208B2 (en) | 2009-06-05 | 2013-06-26 | Switched-capacitor band-pass filter of a discrete-time type, in particular for cancelling offset and low-frequency noise of switched-capacitor stages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITTO2009A000431A IT1394627B1 (it) | 2009-06-05 | 2009-06-05 | Filtro passabanda a condensatori commutati di tipo tempo-discreto, in particolare per la cancellazione dell'offset e di rumore a bassa frequenza di stadi a condensatori commutati |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ITTO20090431A1 true ITTO20090431A1 (it) | 2010-12-06 |
| IT1394627B1 IT1394627B1 (it) | 2012-07-05 |
Family
ID=41611448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ITTO2009A000431A IT1394627B1 (it) | 2009-06-05 | 2009-06-05 | Filtro passabanda a condensatori commutati di tipo tempo-discreto, in particolare per la cancellazione dell'offset e di rumore a bassa frequenza di stadi a condensatori commutati |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US8497746B2 (it) |
| EP (1) | EP2259426B1 (it) |
| IT (1) | IT1394627B1 (it) |
Cited By (1)
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|---|---|---|---|---|
| CN110277994A (zh) * | 2018-03-14 | 2019-09-24 | 联发科技股份有限公司 | 用于在采样周期进行离散化的抗混迭滤波器 |
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| US9558845B2 (en) * | 2015-03-25 | 2017-01-31 | Qualcomm Incorporated | Sampling network and clocking scheme for a switched-capacitor integrator |
| US10309782B2 (en) | 2015-04-07 | 2019-06-04 | Analog Devices, Inc. | Quality factor estimation for resonators |
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| CN111448754B (zh) | 2017-12-07 | 2024-06-07 | 普立菲有限公司 | 放大器电路 |
| US10578435B2 (en) | 2018-01-12 | 2020-03-03 | Analog Devices, Inc. | Quality factor compensation in microelectromechanical system (MEMS) gyroscopes |
| US10914583B2 (en) | 2018-02-20 | 2021-02-09 | Analog Devices, Inc. | Sense amplifiers for gyroscopes and related systems and methods |
| US11041722B2 (en) | 2018-07-23 | 2021-06-22 | Analog Devices, Inc. | Systems and methods for sensing angular motion in the presence of low-frequency noise |
| US10733391B1 (en) | 2019-03-08 | 2020-08-04 | Analog Devices International Unlimited Company | Switching scheme for low offset switched-capacitor integrators |
| US10873299B2 (en) * | 2019-03-27 | 2020-12-22 | Intel Corporation | Trans-impedance amplifier transfer function compensation |
| CN110850904A (zh) * | 2019-11-13 | 2020-02-28 | 上海航天控制技术研究所 | 一种基于多滤波器结构的太阳翼速度稳定控制系统及方法 |
| US11108404B1 (en) | 2020-07-22 | 2021-08-31 | Analog Devices, Inc. | Low noise integrated circuit techniques |
| US11405046B2 (en) * | 2020-08-11 | 2022-08-02 | Analog Devices, Inc. | Low-noise switched-capacitor circuit |
| CN113541642B (zh) * | 2021-05-31 | 2024-04-09 | 南京大学 | 一种基于可编程衰减器的宽带程控移相电路 |
| KR102884537B1 (ko) | 2022-02-22 | 2025-11-14 | 삼성디스플레이 주식회사 | 밴드 패스 필터 및 이를 포함하는 센서 장치 |
| KR20240052142A (ko) * | 2022-10-13 | 2024-04-23 | 삼성디스플레이 주식회사 | 입력 감지 장치 및 그것을 포함하는 표시 장치 |
| KR20240109310A (ko) * | 2023-01-03 | 2024-07-11 | 삼성디스플레이 주식회사 | 밴드 패스 필터 회로 및 그것을 포함하는 센서 장치 |
| US12549145B2 (en) * | 2024-03-21 | 2026-02-10 | Stmicroelectronics International N.V. | Offset voltage cancelation for a charge amplification circuit |
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| US6956515B2 (en) * | 2002-06-27 | 2005-10-18 | Qualcomm, Incorporated | Digital to analog converter augmented with direct charge transfer techniques |
| US20050248395A1 (en) * | 2004-05-07 | 2005-11-10 | Xiang Zhu | High-speed switched-capacitor ripple-smoothing filter for low jitter phase-locked loop |
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| IT1394627B1 (it) * | 2009-06-05 | 2012-07-05 | St Microelectronics Rousset | Filtro passabanda a condensatori commutati di tipo tempo-discreto, in particolare per la cancellazione dell'offset e di rumore a bassa frequenza di stadi a condensatori commutati |
| JP5062293B2 (ja) * | 2010-05-14 | 2012-10-31 | トヨタ自動車株式会社 | サンプルホールド回路及びa/d変換装置 |
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2009
- 2009-06-05 IT ITTO2009A000431A patent/IT1394627B1/it active
-
2010
- 2010-06-04 EP EP10165027A patent/EP2259426B1/en active Active
- 2010-06-04 US US12/794,428 patent/US8497746B2/en active Active
-
2013
- 2013-06-26 US US13/928,024 patent/US9106208B2/en active Active
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| US6956515B2 (en) * | 2002-06-27 | 2005-10-18 | Qualcomm, Incorporated | Digital to analog converter augmented with direct charge transfer techniques |
| US20050248395A1 (en) * | 2004-05-07 | 2005-11-10 | Xiang Zhu | High-speed switched-capacitor ripple-smoothing filter for low jitter phase-locked loop |
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| BASCHIROTTO A ET AL: "FINITE GAIN COMPENSATED DOUBLE-SAMPLED SWITCHED-CAPACITOR INTEGRATORS FOR HIGH-Q BANDPAS FILTERS", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS PART I: REGULAR PAPERS, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 39, no. 6, 1 June 1992 (1992-06-01), pages 425 - 430, XP000310874, ISSN: 1057-7122 * |
| GOLA A ET AL: "A 80dB-SNR +-1g fully-integrated biaxial linear accelerometer in a standard 0.5[micro]m CMOS technology for high-sensitivity applications", SOLID-STATE CIRCUITS CONFERENCE, 2002. ESSCIRC 2002. PROCEEDINGS OF TH E 28TH EUROPEAN FLORENCE, ITALY 24-26 SEPT. 2002, PISCATAWAY, NJ, USA,IEEE, 24 September 2002 (2002-09-24), pages 631 - 634, XP010823972, ISBN: 978-88-900847-9-9 * |
| GREGORIAN R: "An offset-free switched-capacitor biquad", MICROELECTRONICS JOURNAL, vol. 13, no. 4, 1982, pages 37 - 40, XP002568790, ISSN: 0026-2692 * |
| WONGKOMET N ET AL: "Correlated double sampling in capacitive position sensing circuits for micromachined applications", CIRCUITS AND SYSTEMS, 1998. IEEE APCCAS 1998. THE 1998 IEEE ASIA-PACIF IC CONFERENCE ON CHIANGMAI, THAILAND 24-27 NOV. 1998, PISCATAWAY, NJ, USA,IEEE, US, 24 November 1998 (1998-11-24), pages 723 - 726, XP010319388, ISBN: 978-0-7803-5146-2 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277994A (zh) * | 2018-03-14 | 2019-09-24 | 联发科技股份有限公司 | 用于在采样周期进行离散化的抗混迭滤波器 |
| CN110277994B (zh) * | 2018-03-14 | 2023-09-15 | 联发科技股份有限公司 | 用于在采样周期进行离散化的抗混迭滤波器 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100308935A1 (en) | 2010-12-09 |
| US9106208B2 (en) | 2015-08-11 |
| EP2259426B1 (en) | 2012-10-24 |
| IT1394627B1 (it) | 2012-07-05 |
| US20130285767A1 (en) | 2013-10-31 |
| US8497746B2 (en) | 2013-07-30 |
| EP2259426A1 (en) | 2010-12-08 |
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