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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
High-performance motor drives
(2011)
This article reviews the present state and trends in the development of key parts of controlled induction motor drive systems: converter topologies, modulation methods, as well as control and estimation techniques. Two- ...
Ponencia
Cascaded H-bridge multilevel converter multistring topology for large scale photovoltaic systems
(IEEE, 2011)
Large scale grid connected photovoltaic (PV) energy conversion systems have reached the megawatt level. This imposes new challenges on existing grid interface converter topologies and opens new opportunities to be explored. ...
Patente. Invención
Obtención de materiales resistentes al fuego a partir de residuos procedentes de la industria conser vera
(Oficina Española de Patentes y Marcas (OEPM), 2011-10-11)
Obtención de materiales resistentes al fuego a partir de residuos procedentes de la industria consevera. La invención se refiere a la obtención de productos con al ta capacidad de resistencia al fuego empleando ...
Patente. Invención
Dispositivo para la medida del ángulo de incidencia de una radiación luminiscente
(Oficina Española de Patentes y Marcas (OEPM), 2011-01-07)
Dispositivo para la medida del ángulo de incidencia de una radiación luminiscente. El dispositivo consta de dos fotosensores (1) y (2) integrados en una misma oblea (3) de silicio. Estos fotodiodos son fabricados mediante ...
Ponencia
One dimensional feed-forward modulation of a cascaded H-bridge multi-level converter including capacitor balancing with reduced switching frequency
(IEEE, 2011)
Multi-level converters are well suited to medium and high power applications where the priority is for high quality a.c. currents with low harmonic content and for low switching losses. Suitable modulation schemes must ...
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 ...
Capítulo de Libro
Remote instrumentation laboratory for digital signal processors training
(INTECH Open Science, 2011-08)
Artículo
Identification of the design variables of eLearning tools
(2011)
The widespread availability of digital learning resources in a variety of media formats has promoted the proliferation of eLearning systems as an integral part of teaching across all sectors of education. However, these ...
Patente. Invención
Dispositivo de alta precisión para la determinación del ángulo de incidencia de una radiación luminiscente
(Oficina Española de Patentes y Marcas (OEPM), 2011-10-03)
Dispositivo de alta precisión para la determinación del ángulo de incidencia de una radiación luminiscente. Cuenta con una oblea de silicio (3) donde se integra una pluralidad de celdas fotosensoras (C1, C2... Cn) provistas ...