Synthesys of the Noise Transfer Function in N-path Sigma Delta Modulators


This paper describes a technique for synthesizing any noise shaping transfer function (NTF) starting from an N-Path Sigma Delta architecture. The proposed method uses cross-coupled paths to obtain missing terms in the NTF. The limitations due to zeros located out of the band of interest, as it happens for conventional N-Path Σ∆ modulators, are avoided… (More)


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