Browsing by Author "Madrenas Boadas, Jordi"
Now showing items 1-20 of 53
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A cmos-mems beol 2-axis lorentz-force magnetometer with device-level offset cancellation
(2020-10-19)
Article
Open AccessLorentz-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 comprehensive high-level model for CMOS-MEMS resonators
(2018-01-24)
Article
Open AccessThis paper presents a behavioral modeling technique for CMOS microelectromechanical systems (MEMS) microresonators that enables simulation of an MEMS resonator model in Analog Hardware Description Language format within a ... -
A fully analog CMOS implementation of a two-variable spiking neuron in the subthreshold region and its network operation
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Restricted access - publisher's policyEdge computing requires the processing of real-time and personalized information with low power consumption. Neuromorphic devices are promising candidates for applications related to edge computing. Rate neurons, which are ... -
A mixed-signal control system for Lorentz-force resonant MEMS magnetometers
(2019-09-01)
Article
Open AccessThis 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 self-test and dynamics characterization circuit for MEMS electrostatic actuators
(2011-03)
Article
Restricted access - publisher's policyThis paper presents a high-bandwidth capacitance estimation and driving circuit especially tailored for its use with MEMS electrostatic actuators. The circuit can be integrated as a part of a system comprising an electrostatic ... -
A test setup for the characterization of Lorentz-force MEMS magnetometers
(2021-09-13)
Article
Open AccessLorentz-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 ... -
A translinear, log-domain FPAA on standard CMOS technology
(2012-02)
Article
Restricted access - publisher's policyA field-programmable analog array (FPAA) using a standard-CMOS wide-dynamic-range translinear element (TE) is introduced. The FPAA configurable analog blocks (CABs) are based on a reconfigurable translinear cell (RTC), ... -
Action potential propagation: ion current or intramembrane electric field?
(2018-01-22)
Article
Open AccessThe established action potential propagation mechanisms do not satisfactorily explain propagation on myelinated axons given the current knowledge of biological channels and membranes. The flow across ion channels presents ... -
AER-SRT: scalable spike distribution by means of synchronous serial ring topology address event representation
(2016-01-01)
Article
Open AccessGiven the massive number of interconnects in Spiking Neural Networks (SNNs), distributing spikes effciently becomes a critical issue for the efficient hardware emulation of large-scale SNNs. In this work, the AER-SRT ... -
An asynchronous finite-state-machine-based buck-boost converter for on-chip adaptive power supply
(2013-01)
Article
Restricted access - publisher's policyIn this paper we present an asynchronous finite-state machine digital controller co-integrated with an on-chip non-inverting buck-boost power converter with dynamic signal-tracking capabilities. The mostly-digital controller ... -
Analog VLSI implementation of kernel-based classifiers
(Institute of Electrical and Electronics Engineers (IEEE), 1994)
Conference report
Open AccessKernel-based classifiers are neural networks (radial basis functions) where the probability densities of each class of data are first estimated, to be used thereafter to approximate Bayes boundaries between classes. Such ... -
Bioinspired sensory integration for environment-perception embedded systems
(2011)
Conference report
Restricted access - publisher's policyIn this work, the architecture of a system intended for bioinspired environment perception is described. Considering the technology trends and applications requirements, the properties of such a system are discussed. ... -
Characterization of CMOS-MEMS resonant pressure sensors
(2017-08-30)
Article
Open AccessIEEE Comprehensive characterization results of a CMOS-MEMS resonant pressure sensor are presented. We have extensively evaluated the key performance parameters of our device in terms of quality factor (Q) variations under ... -
Circuits i dispositius electrònics : fonaments d'electrònica
(Edicions UPC, 1998)
Book
Open AccessL'obra ha estat concebuda de forma autocontinguda, de manera que la pugui seguir qualsevol lector que no tingui més coneixements previs que els que hagi adquirit durant l'etapa preuniversitària. La primera part del llibre ... -
Closed-form equation for natural frequencies of beams under full range of axial loads modeled with a spring-mass system
(2019-04-01)
Article
Open AccessA new simple closed-form equation that accurately predicts the effect of an arbitrarily large constant axial load, residual stress or temperature shift on the natural frequencies of an uniform single-span beam, with various ... -
CMOS BEOL-embedded z-axis accelerometer
(Institution of Electrical Engineers, 2015-05-28)
Article
Open AccessA 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 ... -
CMOS wireless hybrid transceiver powered by integrated photodiodes for ultra-low-power IoT applications
(2023-12-20)
Article
Open AccessIn this article, a communication platform for a self-powered integrated light energy harvester based on a wireless hybrid transceiver is proposed. It consists of an optical receiver and a reconfigurable radio frequency ... -
CMOS-MEMS resonant pressure sensors: optimization and validation through comparative analysis
(2017-09-01)
Article
Open AccessAn optimized CMOS-MEMS resonant pressure sensor with enhanced sensitivity at atmospheric pressure has been reported in this paper. The presented work reports modeling and characterization of a resonant pressure sensor, ... -
Complexity reduction of neural network model for local motion detection in motion stereo vision
(Springer, 2017)
Conference lecture
Restricted access - publisher's policySpatial perception, in which objects’ motion and positional relationship are recognized, is necessary for applications such as a walking robot and an autonomous car. One of the demanding features of spatial perception in ... -
Continuous-time CMOS adaptive asynchronous sigma-delta modulator approximating low-fs low-inband-error on-chip wideband power amplifier
(IEEE, 2011)
Conference report
Restricted access - publisher's policyA mixed-signal continuous-time-processing standard CMOS implementation of an asynchronous sigma-delta modulator aimed to drive a switching amplifier operating as an on-chip wideband adaptive power supply is presented in ...
