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In this paper a topological analysis of different IP distributions focusing on optimal memory placements in regular 2D-Meshes has been performed. As case study, a real MPEG-4 decoder implementation with three memories was chosen. In order to study the influence of memories in the topology of the network, Arteris NoCexplorer tool was used. The results inferred from the experiments show how the performance of a multimedia system can be improved if memories are properly located within a NoC. Furthermore, the present work serves to validate the use of Arteris NoCexplorer for simulating and modelling complex NoC based designs. In addition, a methodology for determining the best IP distribution in terms of latency and throughput is presented and its feasibility is demonstrated.

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In this paper, the implementation of a 900 MHz multiphase oscillator with sinusoidal outputs in SiGe technology is presented. The circuit is based on a differential cross-coupled topology formed by four differential LCoscillators that provide eight output signals with 45º phase differences. The whole circuit was implemented full-custom. The final IC has an area of 1238 µm x 1238 µm and a total power consumption of 75 mW.