A 1.6Gb/s CMOS LVDS Transmitter with a Programmable Pre-Emphasis System

A 12 parallel low voltage differential signaling (LVDS) transmitter fabricated in 0.13 μm CMOS is presented. Each LVDS channel can operate over 1.6 Gb/s and includes a programmable pre-emphasis circuit designed to reduce the data-dependent jitter (DDJ) caused by different lengths of PCB traces. Experimental results of the fabricated LVDS confirm the correct operation of the programmable pre-equalization circuit. The power consumption and area per channel is less than 20 mW and 0.084 mm2, respectively.http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6820268Fil: Reyes, Benjamín T. Universidad Nacional de Córdoba. Consejo Nacional de Investigaciones Científicas y Técnicas. Laboratorio de Comunicaciones Digitales; Argentina.Fil: Paulina, German. Fundación Fulgor; Argentina.Fil: Tealdi, Lucas. Fundación Fulgor; Argentina.Fil: Labat, Emanuel. Fundación Fulgor; Argentina.Fil: Sanchez, Raúl. Fundación Fulgor; Argentina.Fil: Mandolesi, Pablo S. Universidad Nacional del Sur. GISEE – LMNE; Argentina.Fil: Hueda, Mario R. Universidad Nacional de Córdoba. Consejo Nacional de Investigaciones Científicas y Técnicas. Laboratorio de Comunicaciones Digitales; Argentina.Telecomunicacione

Re-evaluating the Self-Report Habit Index: the cases of Physical Activity and Snacking habits

Objective. The Self-Report Habit Index (SRHI) was originally reported as one-dimensional (Verplanken and Orbell, 2003). Nevertheless, habit has been described as characterized by several features, and one-dimensional models for the SRHI have shown poor fit. Therefore, we aimed to compare multi-dimensional models with a one-dimension model in both snacking and physical activity habits, besides examining further instrument characteristics. Design. A cross-sectional study was conducted with high school and university students (n = 555). Main outcome measure. The SRHI adapted for physical activity and for snaking habits was applied at one single time. Results. Nested models with one factor, two factors, and three factors were compared. Then, a hierarchical second-order model was tested, and further validity issues, as well as invariance between habits, were examined. Three-dimensional models represented a better fit for both habits. However, fit was still non-adequate in the snacking version. Also, discriminant validity concerns raised for the physical activity SRHI. Also, invariance between the snacking and the physical activity versions was not confirmed. Conclusions. Considering the SRHI as composed by the dimensions of “lack of awareness”, “lack of control”, and “history of behavioural repetition” seems to be more accurate. Nevertheless, our findings suggest that further research is needed.Universidad de Costa Rica/[723-B7-306]/UCR/Costa RicaUCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias Sociales::Instituto de Investigaciones Psicológicas (IIP

A 1.6Gb/s CMOS LVDS transmitter with a programmable pre-emphasis system

A 12 parallel low voltage differential signaling (LVDS) transmitter fabricated in 0.13 μm CMOS is presented. Each LVDS channel can operate over 1.6 Gb/s and includes a programmable pre-emphasis circuit designed to reduce the data-dependent jitter (DDJ) caused by different lengths of PCB traces. Experimental results of the fabricated LVDS confirm the correct operation of the programmable pre-equalization circuit. The power consumption and area per channel is less than 20 mW and 0.084 mm2, respectively.http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6820268Fil: Reyes, Benjamín T. Universidad Nacional de Córdoba. Consejo Nacional de Investigaciones Científicas y Técnicas. Laboratorio de Comunicaciones Digitales; Argentina.Fil: Paulina, German. Fundación Fulgor; Argentina.Fil: Tealdi, Lucas. Fundación Fulgor; Argentina.Fil: Labat, Emanuel. Fundación Fulgor; Argentina.Fil: Sanchez, Raúl. Fundación Fulgor; Argentina.Fil: Mandolesi, Pablo S. Universidad Nacional del Sur. GISEE – LMNE; Argentina.Fil: Hueda, Mario R. Universidad Nacional de Córdoba. Consejo Nacional de Investigaciones Científicas y Técnicas. Laboratorio de Comunicaciones Digitales; Argentina.Telecomunicacione