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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(More)
The choice of the interaction menu to use is an important aspect for the usability of an application. In these years, different solutions, related to menu shape, location and interaction modalities have been proposed. This paper investigates the influence of haptic features on the usability of 3D menu. We have developed a haptic menu for a specific(More)