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Mostrando ítems 11-20 de 185
Artículo
A new high-level synthesis methodology of cascaded continuous-time ΣΔ modulators
(Institute of Electrical and Electronics Engineers, 2006)
This brief presents an efficient method for synthesizing cascaded sigma–delta modulators implemented with continuous-time circuits. It is based on the direct synthesis of the whole cascaded architecture in the continuous-time ...
Artículo
Integrated chaos generators
(Institute of Electrical and Electronics Engineers, 2002)
This paper surveys the different design issues, from mathematical model to silicon, involved on the design of integrated circuits for the generation of chaotic behavior.
Artículo
On algorithmic rate-coded AER generation
(Institute of Electrical and Electronics Engineers, 2006)
This paper addresses the problem of converting a conventional video stream based on sequences of frames into the spike event-based representation known as the address-event-representation (AER). In this paper we concentrate ...
Ponencia
Simulation-based High-level Synthesis of Pipeline Analog-to-Digital Converters
(2004)
This paper presents a toolbox for the time-domain simulation and optimization-based high-level synthesis of pipeline analog-to-digital converters in MATLAB®. Behavioral models of building blocks, including their critical ...
Ponencia
Holding Dissapearance in RTD-based Quantizers
(Laboratoire TIMA, 2007)
Multiple-valued Logic (MVL) circuits are one of the most attractive applications of the Monostable-to-Multistable transition Logic (MML), and they are on the basis of advanced circuits for communications. The operation ...
Artículo
A practical floating-gate Muller-C element using vMOS threshold gates
(Institute of Electrical and Electronics Engineers, 2001)
This paper presents the rationale for vMOS-based realizations of digital circuits when logic design techniques based on threshold logic gates are used. Some practical problems in the vMOS implementation of threshold gates ...
Ponencia
Sensor de humedad del suelo de bajo coste para control de regadíos
(2001)
This paper presents a low-cost system to measure soil humidity for application in irrigation control. It is based in the simultaneous measurement of the real and imaginary parts of the impedance of a volume of soil ...
Ponencia
System-level optimization of baseband filters for communication applications
(The International Society for Optical Engineering - SPIE, 2003)
In this paper, a design approach for the high-level synthesis of programmable continuous-time baseband filters able to achieve optimum trade-off among dynamic range, distortion behavior, mismatch tolerance and power area ...
Ponencia
Experimental Characterization of IdleTones in Second-Order Bandpass ΣΔ Modulators
(2000)
This paper analyses the tonal behaviour of the quantization noise in second-order bandpass ΣΔ modulators. The analysis performed for lowpass modulators is extended to the bandpass case. As a result, closed form expressions ...
Ponencia
Study of Non-Linear S/H Operation in Switched-Current Circuits Using Volterra Series - Application to BandPass Sigma-Delta Modulators
(2001)
This paper analyses the transient behaviour of SwItched-current (SI) memory cells placed at the front-end of high-speed A/D interfaces. Based on the Volterra series method, the non-linear sampling process occurring in ...