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This paper presents a behavioral model of a delay-locked loop (DLL) used to generate the timing signals in an integrated ultra wide-band (UWB) impulse radio (IR) system. The requirements of these timing signals in the context of UWB-IR systems are reviewed. The behavioral model includes a modeling of the various noise sources in the DLL that produce output(More)
The concept of decimation plays very important role in the modern digital communication systems. Digital decimators or decimation filters are used to decrease the sampling rate of a sampled signal in digital domain. The Farrow Structure provides an efficient way to implement the decimation filter using polynomial approximation method for arbitrary sample(More)
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