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 metodo

Info

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
Application number
ITTO2009A000482A
Other languages
English (en)
Inventor
Igino Padovani
Filippo David
Original Assignee
St Microelectronics Rousset
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by St Microelectronics Rousset filed Critical St Microelectronics Rousset
Priority to ITTO2009A000482A priority Critical patent/IT1394636B1/it
Priority to US12/821,022 priority patent/US8217821B2/en
Priority to EP10166940A priority patent/EP2267573A1/en
Publication of ITTO20090482A1 publication Critical patent/ITTO20090482A1/it
Application granted granted Critical
Publication of IT1394636B1 publication Critical patent/IT1394636B1/it

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)
ITTO2009A000482A 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 IT1394636B1 (it)

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)

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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
CN109075773A (zh) * 2016-04-13 2018-12-21 株式会社索思未来 参考电压稳定化电路及包括该参考电压稳定化电路的集成电路
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

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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
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US20060103365A1 (en) * 2004-11-17 2006-05-18 Compulite Systems (2000) Ltd. Method and converter circuitry for improved-performance AC chopper
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Also Published As

Publication number Publication date
US20100321103A1 (en) 2010-12-23
EP2267573A1 (en) 2010-12-29
ITTO20090482A1 (it) 2010-12-24
US8217821B2 (en) 2012-07-10

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