Exploració per autor "Sánchez Chiva, José María"
Ara es mostren els items 1-10 de 10
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A cmos-mems beol 2-axis lorentz-force magnetometer with device-level offset cancellation
Sánchez Chiva, José María; Valle Fraga, Juan José; Fernández, Daniel; Madrenas Boadas, Jordi (2020-10-19)
Article
Accés obertLorentz-force Microelectromechanical Systems (MEMS) magnetometers have been proposed as a replacement for magnetometers currently used in consumer electronics market. Being MEMS devices, they can be manufactured in the ... -
A mixed-signal control system for Lorentz-force resonant MEMS magnetometers
Sánchez Chiva, José María; Valle Fraga, Juan José; Fernández, Daniel; Madrenas Boadas, Jordi (2019-09-01)
Article
Accés obertThis paper presents a mixed-signal closed-loop control system for Lorentz force resonant MEMS magnetometers. The control system contributes to 1) the automatic phase control of the loop, that allows start-up and keeps ... -
A test setup for the characterization of Lorentz-force MEMS magnetometers
Sánchez Chiva, José María; Valle Fraga, Juan José; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (2021-09-13)
Article
Accés obertLorentz-force MEMS magnetometers are interesting candidates for the replacement of magnetometers in consumer electronics products. Plenty of works in the literature propose MEMS magnetometers, their readout circuits and ... -
CMOS BEOL-embedded z-axis accelerometer
Michalik, Piotr Jozef; Sánchez Chiva, José María; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (Institution of Electrical Engineers, 2015-05-28)
Article
Accés obertA first reported complementary metal-oxide semiconductor (CMOS)-integrated acceleration sensor obtained through isotropic inter-metal dielectric (IMD) etching of a back-end-of-line (BEOL) integrated circuit interconnection ... -
Design of Low Noise Readout Amplifiers for Monolithic Capacitive CMOS-MEMS Accelerometers
Sánchez Chiva, José María (Universitat Politècnica de Catalunya, 2014-09-09)
Projecte Final de Màster Oficial
Accés obert[ANGLÈS] This thesis report describes the design process, the implementation and the simulation and measurement results of two different readout circuits to be used with two monolithic MEMS accelerometers fabricated by ... -
Design, fabrication, characterization and reliability study of CMOS-MEMS Lorentz-force magnetometers
Valle Fraga, Juan José; Sánchez Chiva, José María; Fernández, Daniel; Madrenas Boadas, Jordi (2022-09-16)
Article
Accés obertThis article presents several design techniques to fabricate micro-electro-mechanical systems (MEMS) using standard complementary metal-oxide semiconductor (CMOS) processes. They were applied to fabricate high yield CMOS-MEMS ... -
High performance readout circuits and devices for Lorentz force resonant CMOS-MEMS magnetic sensors
Sánchez Chiva, José María (Universitat Politècnica de Catalunya, 2020-03-05)
Tesi
Accés obertIn the last decades, sensing capabilities of martphones have greatly improved since the early mobile phones of the 90’s. Moreover, wearables and the automotive industry require increasing electronics and sensing sophistication. ... -
Monolithic sensor integration in CMOS technologies
Fernández, Daniel; Michalik, Piotr; Valle Fraga, Juan José; Banerji, Saoni; Sánchez Chiva, José María; Madrenas Boadas, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2022-12-09)
Article
Accés obertBesides being mainstream for mixed-signal electronics, CMOS technology can be used to integrate micro-electromechanical system (MEMS) on a single die, taking advantage of the structures and materials available in feature ... -
Sistemes d'alimentació de baixa potència sense contacte elèctric
Sánchez Chiva, José María (Universitat Politècnica de Catalunya, 2011-01-01)
Projecte/Treball Final de Carrera
Accés obertAquest projecte és una recerca dels mètodes existents per a la transferència d’energia sense contacte elèctric, seguida d’una investigació de les característiques de cada mètode i un estudi de la viabilitat de cadascun ... -
Under pressure? Don’t lose direction! Smart sensors: Development of CMOS and MEMS on the same platform
Sánchez Chiva, José María; Banerji, Saoni (2016)
Comunicació de congrés
Accés obertMicro Electro Mechanical Systems (MEMS) are movable structures fabricated on the surface of silicon chips by selectively depositing and etching away materials and silicon. Such movement allows the measurement of a wide ...