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Mostrando ítems 1-10 de 20
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 ...
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 ...
Ponencia
IC-LDO Regulator with 600 nA Quiescent Current Using a Class AB Buffer
(2018-11-14)
An ultra-low power Internally Compensated Low- Dropout (IC-LDO) regulator with a quiescent current consumption lower than 600 nA is proposed. It is based on the classical IC-LDO topology, which has been modified to include ...
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 ...
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 ...
Artículo
Vectores virtuales de tensión en control directo de par para una máquina de inducción de seis fases
(Universitat Politècnica de València, 2018)
Las máquinas multifásicas se presentan como una alternativa real en aquellas aplicaciones industriales que requieren unas mejores prestaciones que las proporcionadas por los sistemas convencionales trifásicos. La tendencia ...
Artículo
An Experimental Assessment of Open-Phase Fault- Tolerant Virtual Vector Based Direct Torque Control in Five-Phase Induction Motor Drives
(Institute of Electrical and Electronics Engineers, 2018)
Direct torque control (DTC) has been recently used for the development of high performance five-phase induction motor (IM) drives, where normal operation of the system has been usually considered and the ability of DTC ...
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
Dissimilarity metric based on local neighboring information and genetic programming for data dissemination in vehicular ad hoc networks (VANETs)
(MDPI, 2018)
This paper presents a novel dissimilarity metric based on local neighboring information and a genetic programming approach for efficient data dissemination in Vehicular Ad Hoc Networks (VANETs). The primary aim of the ...
Artículo
Characterization of Common Mode Chokes at High Frequencies with Simple Measurements
(IEEE, 2018-05)
In this paper, we present a technique to characterize common mode chokes at high frequencies that only requires a measurement, which can be performed with a spectrum analyzer with the tracking generator. This technique is ...