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New Gain Optimization Method for Sigma-Delta A/D Convertors  

Jung, Yo-Sung (Graduate School, Sangmyung University)
Jang, Young-Beom (College of Engineering, Sangmyung University)
Publication Information
Abstract
In this paper, we propose new gain optimization method for Sigma-Delta A/D converters. First, in proposed method, the 10 candidates are selected through SNR maximization for Sigma-Delta modulator. After then, it is shown that optimum gains can be obtained through MSE calculation for CIC decimation filter. In the simulation, The proposed method has advantages which utilize SNR maximization for modulator and MSE minimization for CIC decimation later. The more candidates are chosen in SNR maximization for modulator, the better gains can be obtained in MSE minimization for CIC decimation filter.
Keywords
Sigma-Delta modulator; Oversampling; CIC(Cascaded Integrator Comb) filter; SNR;
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Times Cited By KSCI : 4  (Citation Analysis)
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