An Integrated Low-Power Lock-In Amplifier and Its Application to Gas Detection

Autor: Paulina M. Maya-Hernández, Luis C. Álvarez-Simón, María Teresa Sanz-Pascual, Belén Calvo-López

Publikováno v: Sensors, Vol 14, Iss 9, Pp 15880-15899 (2014)

This paper presents a new micropower analog lock-in amplifier (LIA) suitable for battery-operated applications thanks to its reduced size and power consumption as well as its operation with single-supply voltage. The proposed LIA was designed in a 0.

Externí odkaz: https://doaj.org/article/190a8e8a86e4488ebfbf044b867880ac

Ultralow-Power Synchronous Demodulation for Low-Level Sensor Signal Detection

Autor: Belén Calvo-López, M. T. Sanz-Pascual, P. M. Maya-Hernandez

Publikováno v: IEEE Transactions on Instrumentation and Measurement. 68:3514-3523

The design and experimental characterization of a high-resolution analog lock-in amplifier (LIA)-based measurement system is presented in this paper. Different design strategies are used to attain a versatile solution which features programmable gain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5900908b8415e9bb9e1b7699ae5040ab
https://doi.org/10.1109/tim.2018.2881821

Low Power CMOS Chopper Preamplifier Based on Source-Degeneration Transconductors

Autor: C. A. de la Cruz-Blas, M. T. Sanz-Pascual, O. J. Cinco-Izquierdo, Belén Calvo-López

Publikováno v: LASCAS
Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
instname
Academica-e: Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra

This paper describes the design of a low-power, low-noise flicker CMOS chopper preamplifier for sensor signal conditioning. The core amplifier and the Gm-C output low pass filter of the proposed fully differential preamplifier are based on a source d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af627281ab2e2ab28bee26c121e8288b
https://doi.org/10.1109/lascas45839.2020.9068982

High-level modeling and simulation tool for sensor conditioning circuit based on artificial neural networks

Autor: Belén Calvo-López, Nicolás J. Medrano-Marqués, J. A. Martinez-Nieto, M. T. Sanz-Pascual

Publikováno v: Sensors
Volume 19
Issue 8
Sensors (Basel, Switzerland)
Zaguán. Repositorio Digital de la Universidad de Zaragoza
instname
Sensors, Vol 19, Iss 8, p 1814 (2019)

For current microelectronic integrated systems, the design methodology involves different steps that end up in the full system simulation by means of electrical and physical models prior to its manufacture. However, the higher the circuit complexity,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e34d56873b78992dfb36dc7a3ad18c8
http://zaguan.unizar.es/record/79634

Circuito de acondicionado CMOS para la monitorización de cultivos celulares

Autor: Alberto Yúfera García, Alejandro Márquez Marzal, Belén Calvo López, Nicolás Medrano Marqués

Publikováno v: idUS. Depósito de Investigación de la Universidad de Sevilla
instname

Este trabajo presenta la etapa de lectura de un front-end analógico para la monitorización del crecimiento de un cultivo celular mediante la medida de su impedancia. Basado en tecnología CMOS, su consumo es de 4.8 μW, proporcionando errores en re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7443949f62e58a0a57f0eed890738d1b