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Mostrando ítems 1-10 de 22
Artículo
An Op-Amp Approach for Bandpass VGAs With Constant Bandwidth
(IEEE (Institute of Electrical and Electronics Engineers), 2018)
Two approaches to implement variable gain amplifiers based on Miller op-amps are discussed. One has true constant bandwidth while the other has essentially reduced bandwidth variations with varying gain. Servo-loops and ...
Ponencia
Smart Navigation System for the Port of Seville
(2015-09)
This paper focuses in the development of an information platform for rivers and integrated navigation aid system in waterways. The proposed system will not only offer vessel traffic services (VTS) and other RIS basic ...
Artículo
Soluciones para la monitorización de trabajadores en obra mediante tecnologías inalámbricas
(2012)
La prevención activa puede implementar diferentes barreras de seguridad. El estado de la técnica de los sistemas de inteligencia ambiental permite construir sistemas inteligentes que, mediante la utilización de redes ...
Ponencia
A low-pass filter with automatic frequency tuning for a bluetooth receiver
(IEEE (Institute of Electrical and Electronics Engineers), 2011)
A third-order Gm-C Chebyshev low-pass filter with high linearity and automatic frequency programmability has been designed. The filter is intended to be used as a channel-select filter for a zero-IF Bluetooth receiver. The ...
Artículo
Passive RFID-Based Inventory of Traffic Signs on Roads and Urban Environments
(MDPI, 2018-07)
This paper presents a system with location functionalities for the inventory of traffic signs based on passive RFID technology. The proposed system simplifies the current video-based techniques, whose requirements regarding ...
Artículo
CMOS First-Order All-Pass Filter With 2-Hz Pole Frequency
(IEEE (Institute of Electrical and Electronics Engineers), 2018)
A CMOS fully integrated all-pass filter with an extremely low pole frequency of 2 Hz is introduced in this paper. It has 0.08-dB passband ripple and 0.029-mm 2 Si area. It has 0.38-mW power consumption in strong inversion ...
Tesis Doctoral
Aportaciones al diseño de ADCs en tecnologías nanométricas y para entornos de alta radiación
(2015-11-30)
El trabajo presentado a lo largo de esta Tesis Doctoral está intrínsecamente relacionado con la evolución del diseño de circuitos integrados analógicos y de señal mixta empleando tecnologías nanométricas. En los últimos ...
Artículo
Super class AB RFC OTA with adaptive local common-mode feedback
(IET (Institution of Engineering and Technology), 2018)
A super class AB recycling folded cascode operational transconductance amplifier is presented. It employs local common-mode feedback using two matched tuneable active resistors, allowing to adapt the amplifier to different ...
Ponencia
0.13-µm CMOS tunable transconductor based on the body-driven gain boosting technique with application in Gm-C filters
(2011)
We present a low-voltage low-power CMOS tunable transconductor exploiting body gain boosting to increase the small-signal output resistance. As a distinctive feature, the proposed scheme allows the OTA transconductance ...
Ponencia
Smart ICTs for the enhancement of traffic logistics in the Port of Seville
(2015-09)
This paper focuses in the optimization of intermodal transport by the development of a freight geolocation and telecontrol platform for intermodal transport. This system, Cooperative Unitized Tracking System (CUTS), is ...