IT1394636B1 - Circuito di generazione di un segnale di riferimento per un convertitore a/d di un trasduttore acustico microelettromeccanico e relativo metodo - Google Patents
Circuito di generazione di un segnale di riferimento per un convertitore a/d di un trasduttore acustico microelettromeccanico e relativo metodoInfo
- Publication number
- IT1394636B1 IT1394636B1 ITTO2009A000482A ITTO20090482A IT1394636B1 IT 1394636 B1 IT1394636 B1 IT 1394636B1 IT TO2009A000482 A ITTO2009A000482 A IT TO2009A000482A IT TO20090482 A ITTO20090482 A IT TO20090482A IT 1394636 B1 IT1394636 B1 IT 1394636B1
- Authority
- IT
- Italy
- Prior art keywords
- microelettromechanical
- converter
- reference signal
- generation system
- acoustic transducer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2009A000482A IT1394636B1 (it) | 2009-06-23 | 2009-06-23 | Circuito di generazione di un segnale di riferimento per un convertitore a/d di un trasduttore acustico microelettromeccanico e relativo metodo |
US12/821,022 US8217821B2 (en) | 2009-06-23 | 2010-06-22 | Reference signal generator circuit for an analog-to-digital converter of a microelectromechanical acoustic transducer, and corresponding method |
EP10166940A EP2267573A1 (en) | 2009-06-23 | 2010-06-22 | Reference-signal generator circuit for an analog-to-digital converter of a microelectromechanical acoustic transducer, and corresponding method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2009A000482A IT1394636B1 (it) | 2009-06-23 | 2009-06-23 | Circuito di generazione di un segnale di riferimento per un convertitore a/d di un trasduttore acustico microelettromeccanico e relativo metodo |
Publications (2)
Publication Number | Publication Date |
---|---|
ITTO20090482A1 ITTO20090482A1 (it) | 2010-12-24 |
IT1394636B1 true IT1394636B1 (it) | 2012-07-05 |
Family
ID=41664880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO2009A000482A IT1394636B1 (it) | 2009-06-23 | 2009-06-23 | Circuito di generazione di un segnale di riferimento per un convertitore a/d di un trasduttore acustico microelettromeccanico e relativo metodo |
Country Status (3)
Country | Link |
---|---|
US (1) | US8217821B2 (it) |
EP (1) | EP2267573A1 (it) |
IT (1) | IT1394636B1 (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130058506A1 (en) * | 2011-07-12 | 2013-03-07 | Steven E. Boor | Microphone Buffer Circuit With Input Filter |
US8937464B2 (en) * | 2011-07-15 | 2015-01-20 | Synopsys Inc. | High voltage generation system and method employing a charge pump and producing discrete voltage values |
US8531324B2 (en) * | 2011-07-19 | 2013-09-10 | Freescale Semiconductor, Inc. | Systems and methods for data conversion |
US20150244385A1 (en) * | 2014-02-27 | 2015-08-27 | Qualcomm Incorporated | Circuit interfacing single-ended input to an analog to digital converter |
US9594104B2 (en) * | 2014-10-22 | 2017-03-14 | Natus Medical Incorporated | Simultaneous impedance testing method and apparatus |
CN106033090A (zh) * | 2015-03-09 | 2016-10-19 | 中芯国际集成电路制造(上海)有限公司 | Mems加速度计 |
US9559713B1 (en) * | 2016-02-23 | 2017-01-31 | Broadcom Corporation | Dynamic tracking nonlinearity correction |
JPWO2017179301A1 (ja) * | 2016-04-13 | 2019-02-21 | 株式会社ソシオネクスト | 参照電圧安定化回路およびこれを備えた集積回路 |
KR102384104B1 (ko) * | 2017-12-15 | 2022-04-08 | 에스케이하이닉스 주식회사 | 기준 전압 발생 장치 |
CN108319316B (zh) * | 2017-12-25 | 2021-07-02 | 南京中感微电子有限公司 | 一种带隙基准电压源电路 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4350975A (en) * | 1980-07-18 | 1982-09-21 | American Microsystems, Inc. | Dual bandwidth autozero loop for a voice frequency CODEC |
US4994774A (en) * | 1988-02-19 | 1991-02-19 | U.S. Philips Corporation | Integrated low-pass filter arrangement |
US5784053A (en) * | 1994-06-22 | 1998-07-21 | Kabushiki Kaisha Tec | Two-dimensional pattern digitizer |
US5977840A (en) * | 1998-04-29 | 1999-11-02 | Cts Corporation | Circuit for minimizing turn-on time of temperature compensated crystal oscillator |
WO2000042483A1 (en) * | 1999-01-14 | 2000-07-20 | Macronix Internaitonal Co., Ltd. | Low threshold mos two phase negative charge pump |
US20020130645A1 (en) * | 2001-03-15 | 2002-09-19 | Sheng-Nan Tsai | Overvoltage protection device for buck converter |
KR100513384B1 (ko) * | 2003-08-04 | 2005-09-07 | 삼성전자주식회사 | 신호 처리장치의 테스트 장치 및 테스트 방법 |
KR100560945B1 (ko) * | 2003-11-26 | 2006-03-14 | 매그나칩 반도체 유한회사 | 온-칩 기준전압 발생장치를 구비하는 반도체 칩 |
US7737580B2 (en) * | 2004-08-31 | 2010-06-15 | American Power Conversion Corporation | Method and apparatus for providing uninterruptible power |
EP1815304B1 (en) * | 2004-11-16 | 2010-10-27 | Nxp B.V. | Apparatus for filtering a reference voltage and mobile phones comprising such apparatus |
US20060103365A1 (en) * | 2004-11-17 | 2006-05-18 | Compulite Systems (2000) Ltd. | Method and converter circuitry for improved-performance AC chopper |
US7362081B1 (en) * | 2005-02-02 | 2008-04-22 | National Semiconductor Corporation | Low-dropout regulator |
US7756266B2 (en) * | 2005-11-03 | 2010-07-13 | Industrial Technology Research Institute | Device for voltage-noise rejection and fast start-up |
KR101055250B1 (ko) * | 2006-08-23 | 2011-08-09 | 아사히 가세이 일렉트로닉스 가부시끼가이샤 | 델타 시그마 변조기 |
DE102007000713A1 (de) * | 2006-09-08 | 2008-04-10 | Aisin Seiki K.K., Kariya | Kapazitätserfassungsgerät |
US7714563B2 (en) | 2007-03-13 | 2010-05-11 | Analog Devices, Inc. | Low noise voltage reference circuit |
US20090243392A1 (en) * | 2008-03-27 | 2009-10-01 | Sheng-Jui Huang | Methods for shifting common mode between different power domains and apparatus thereof |
-
2009
- 2009-06-23 IT ITTO2009A000482A patent/IT1394636B1/it active
-
2010
- 2010-06-22 US US12/821,022 patent/US8217821B2/en active Active
- 2010-06-22 EP EP10166940A patent/EP2267573A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP2267573A1 (en) | 2010-12-29 |
US8217821B2 (en) | 2012-07-10 |
US20100321103A1 (en) | 2010-12-23 |
ITTO20090482A1 (it) | 2010-12-24 |
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