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Mostrando ítems 31-40 de 66
Ponencia
A very compact KHN filter with multidecade tuning
(2007)
A very compact implementation of a multifunction Kerwin Huelsman Newcomb (KHN) filter that can be frequency tuned almost seven decades, from 0.2 Hz to 1 Mhz, is presented. Tuning is achieved by means of high-value, ...
Tesis Doctoral
Aportaciones al diseño de circuitos para comunicaciones de baja tensión de alimentación y bajo consumo
(2002)
Una de las líneas de investigación por el... En los últimos años los sistemas de comunicación han experimentado un avance expectacular. La reducción de la escala de integración de los circuitos integrados ha permitido ...
Ponencia
An analog CMOS universal membership function circuit with fully independent, adjustable parameters
(1997)
A novel CMOS membership function circuit (MBC) is presented. It is based on a linear tunable transconductor proposed in [1] and implements trapezoidal/triangular functions with all parameters (slope, position, width, eight ...
Artículo
Intelligent containers based on a Low-Power sensor network and a Non-Invasive acquisition system for management and tracking of goods
(Institute of Electrical and Electronics Engineers (IEEE), 2018-08)
This paper presents a prototype of a system for intermodal freight transport with electronics management of goods. The system is based on low-power wireless networks connecting intelligent containers. The proposed intelligent ...
Artículo
±0.25-V Class-AB CMOS Capacitance Multiplier and Precision Rectifiers
(IEEE (Institute of Electrical and Electronics Engineers), 2019)
Reduction of minimum supply requirements is a crucial aspect to decrease the power consumption in VLSI systems. A high-performance capacitance multiplier able to operate with supplies as low as ±0.25 V is presented. It is ...
Ponencia
A novel switched capacitor frequency tuning technique for continuous-time Gm-C filters
(2009)
A novel approach for the automatic frequency tuning of Continuous Time Filters is presented. This approach is based on a switched capacitor circuit and only needs three capacitors, some switches and a replica transconductor ...
Artículo
A true low voltage class-AB current mirror
(2005)
Class-AB circuits, which are able to deal with currents which are orders of magnitude larger than their quiescent current, are good candidates for low-power analog design. This paper presents a new, simple, class-AB ...
Ponencia
CMOS operational amplifiers with continuous-time capacitive common mode feedback
(2010)
A simple and power efficient approach for the implementation of continuous-time common mode feedback networks using a capacitive averaging network is introduced. It is shown that low voltage, continuous-time, fully ...
Tesis Doctoral
Diseño de circuitos analógicos de baja tensión y bajo consumo empleando el seguidor de tensión FVF
(2003)
En los últimos años, el Grupo de Investigación de Tecnología Electrónica de la Universidad de Sevilla, ha desarrollado una línea de investigación en el diseño de circuitos analógicos de baja tensión y bajo consumo para ...
Artículo
Compact Embedded Wireless Sensor-Based Monitoring of Concrete Curing
(MDPI, 2018-03-15)
This work presents the design, construction and testing of a new embedded sensor system for monitoring concrete curing. A specific mote has been implemented to withstand the aggressive environment without affecting the ...