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Multiple sclerosis (MS) is a chronic disease that affects central nervous system (CNS) – coexists in brain, spinal cord and optic nerves. It can process in three different courses: remitting, progressive and progressive-relapsing. Although there is still no cure for MS, effective strategies are available to modify the disease course, reduce number of relapses, rate of progressions and development...
Dietary supplements are extensively used among athletes as well as amateurs attending gyms. Regardless of very poorly investigated information about the effects of these products – both desirable and adverse – a wide range of population is used to take them. The aim of this study was to investigate the supplement consumption in Sicilia, Italy. An online questionnaire has been administered to 588 subjects...
In this paper, a design methodology for low-power MCML based delay interpolating VCOs is presented. The methodology allows a fast and accurate graphical evaluation of the optimum design. It utilizes two closed form expressions for the upper and lower oscillation frequencies of the VCO. An expression of the tuning range is also derived. The effectiveness of the proposed design methodology has been...
This paper describes a methodology for the minimization of the power-delay product of MCML gates. The method is based on the novel concept of crossing point capacitance. The methodology was been validated by designing several gates using in an IBM 130 nm CMOS process.
In this paper, we address the problem of the optimum design of two-level MOS Current Mode Logic (MCML) gates. In particular, we describe a design methodology based on the concept of crossing-point current already introduced for the optimum design of single-level MCML gates. This methodology is suited both for automated implementation and graphic estimate of the optimum design. Moreover, it clearly...
In this paper, a low-power design method for MCML based ring oscillators is presented. The proposed method takes into account the parasitic capacitances of the MOS transistors. To validate it, some ring oscillators with different oscillation frequencies were designed in a 0.18 mum CMOS technology. SPICE simulations demonstrate the effectiveness of the design method.
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