IT201700031167A1 - Demodulatore per segnali modulati in fase e quadratura, giroscopio mems includente il medesimo e metodo di demodulazione - Google Patents

Demodulatore per segnali modulati in fase e quadratura, giroscopio mems includente il medesimo e metodo di demodulazione

Info

Publication number
IT201700031167A1
IT201700031167A1 IT102017000031167A IT201700031167A IT201700031167A1 IT 201700031167 A1 IT201700031167 A1 IT 201700031167A1 IT 102017000031167 A IT102017000031167 A IT 102017000031167A IT 201700031167 A IT201700031167 A IT 201700031167A IT 201700031167 A1 IT201700031167 A1 IT 201700031167A1
Authority
IT
Italy
Prior art keywords
demodulator
square
stage
same
demodulation method
Prior art date
Application number
IT102017000031167A
Other languages
English (en)
Inventor
Alessandro Mecchia
Matteo Quartiroli
Paolo Pesenti
Original Assignee
St Microelectronics Srl
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 Srl filed Critical St Microelectronics Srl
Priority to IT102017000031167A priority Critical patent/IT201700031167A1/it
Priority to US15/919,874 priority patent/US10648813B2/en
Publication of IT201700031167A1 publication Critical patent/IT201700031167A1/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
    • G01C19/5776—Signal processing not specific to any of the devices covered by groups G01C19/5607 - G01C19/5719
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
    • B81B7/008—MEMS characterised by an electronic circuit specially adapted for controlling or driving the same
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
    • G01C19/5705—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using masses driven in reciprocating rotary motion about an axis
    • G01C19/5712—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using masses driven in reciprocating rotary motion about an axis the devices involving a micromechanical structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H04L27/3863—Compensation for quadrature error in the received signal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2201/00—Specific applications of microelectromechanical systems
    • B81B2201/02—Sensors
    • B81B2201/0228—Inertial sensors
    • B81B2201/0242—Gyroscopes
IT102017000031167A 2017-03-21 2017-03-21 Demodulatore per segnali modulati in fase e quadratura, giroscopio mems includente il medesimo e metodo di demodulazione IT201700031167A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT102017000031167A IT201700031167A1 (it) 2017-03-21 2017-03-21 Demodulatore per segnali modulati in fase e quadratura, giroscopio mems includente il medesimo e metodo di demodulazione
US15/919,874 US10648813B2 (en) 2017-03-21 2018-03-13 Demodulator for in-phase and quadrature modulated signals, MEMS gyroscope including the same and demodulation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000031167A IT201700031167A1 (it) 2017-03-21 2017-03-21 Demodulatore per segnali modulati in fase e quadratura, giroscopio mems includente il medesimo e metodo di demodulazione

Publications (1)

Publication Number Publication Date
IT201700031167A1 true IT201700031167A1 (it) 2018-09-21

Family

ID=59409707

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102017000031167A IT201700031167A1 (it) 2017-03-21 2017-03-21 Demodulatore per segnali modulati in fase e quadratura, giroscopio mems includente il medesimo e metodo di demodulazione

Country Status (2)

Country Link
US (1) US10648813B2 (it)
IT (1) IT201700031167A1 (it)

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JP7024566B2 (ja) * 2018-04-06 2022-02-24 株式会社デンソー 振動型ジャイロスコープ
JP2020159941A (ja) * 2019-03-27 2020-10-01 株式会社日立製作所 加速度センサ、出力信号制御方法
US11125560B2 (en) * 2019-07-30 2021-09-21 Invensense, Inc. Robust method for tuning of gyroscope demodulation phase

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Also Published As

Publication number Publication date
US10648813B2 (en) 2020-05-12
US20180274924A1 (en) 2018-09-27

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