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This article presents methodology of simple model building for risk stratification of sudden cardiac death based on an original ECG signal analysis platform. The method includes the analysis of the ECG signal, extraction of selected parameters and model optimization for predicting sudden cardiac death.
We report a multi-physics simulation and layout design technique for integrated-MEMS (microelectromechanical systems) based on an electrical circuit simulator. A solver for the mechanical equation of motion has been programmed in a Verilog-A compatible HDL (hardware description language) within the Cadence Virtuoso environment to attain new designing capabilities including automatic mask layout synthesis,...
To foster the development of highly sensitive carbon nanotube nanoelectromechanical sensor systems, a computationally light analytical and semi-empirical model for the latter's dynamics, electromechanical and piezoresistive properties is presented. This model is the breeding ground for the subsequent design and implementation of a phase locked loop and feedback circuitry, which form an adaptive closed-loop...
Robustness of modern ICs during system assembly and normal operation requires that protection circuits are built-in to prevent damage to internal circuit elements due to Electrostatic Discharge events (ESD), which can inject substantial energy into the chip. ESD protection as well as protection against other damaging events, such as latchup, is highly dependent on chip architecture and circuit design,...
This paper introduces the application of compact modeling for the automatic design of RF/analog wireless communications building blocks. The need for attaining ever more stringent specifications makes imperious the use of optimization-based techniques. Market competiveness makes design time a major concern, rendering analytical based optimization methodologies a preferable solution to be adopted....
Systems for intracortical recording of neural activities underly strict reliability requirements. The system should operate without any dysfunction for at least one decade. Despite process variability also NBTI and CHC will introduce performance shifts, which need to be evaluated by the system designer. In order to estimate the lifetime the system, reliability figures need to be calculated. By reconfiguring...
VES-BJT is a bipolar transistor fabricated in the VESTIC technology. Its physical structure differs from other state-of-the-art bipolar transistors: its emitter and collector junctions are not plane-parallel, its base is uniformly doped and the emitter and collector regions are identical. In this paper it is shown how to estimate theoretically the most important parameters of its compact model. Comparison...
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