Digital Simulation of Analogue Methods

Static Simulation of CNTFET-based Digital Circuits

   In this paper we implement a simple DC model for CNTFETs already proposed by us in order to carry out static analysis of basic digital circuits. To verify the validity of the obtained results, they are compared with those of Wong model, resulting in good agreement, but obtaining a lighter ensuring compile and shorter execution time, which are the main character...

Dynamic Simulation of CNTFET-Based Digital Circuits

   In this paper we propose a simulation study to carry out dynamic analysis of CNTFET-based digital circuit, introducing in the semi-empirical compact model for CNTFETs, already proposed by us, both the quantum capacitance effects and the sub-threshold currents. To verify the validity of the obtained results, a comparison with Wong model was carried out. Our mode...

Digital photography versus analogue photography 1 Running heading: DIGITAL PHOTOGRAPHY VERSUS ANALOGUE PHOTOGRAPHY. Digital versus Analogue Photography: a comparative analysis

Logarithmic Analogue-to-Digital Converters

Logarithmic signal processing is a topic that exists in the communications engineer’s vocabulary for a long time. Sometimes refered as compression, it is a technique to adapt the dynamics of signals to the dynamics of the system where i t is to be processed or transmitted. Probably, the most common application of compression is the telephone system, where the voice signal is compressed to a dig...

Digital versus analogue genetic determinism

Relating genotypes to phenotypes is problematic not only owing to the extreme complexity of the interactions between genes, proteins and high-level physiological functions but also because the paradigms for genetic causality in biological systems are seriously confused. This paper examines some of the misconceptions, starting with the changing definitions of a gene, from the cause of phenotype ...