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In this paper, a new topology for CMOS current steering DAC, i.e. folded current-steering structure, suitable for low-voltage applications is presented. Using the folded structure, more voltage headroom is available for the current-source devices increasing the output impedance of the current sources. The DAC linearity is thus improved. Also this novel(More)
In this paper a new design methodology for high order multi-bit continuous time Delta Sigma modulators is proposed. It provides a crystal-clear argument for the selection of the coefficients of the modulator. The strategy of this paper is to design the modulator in z-domain and then to convert the modulator to s-domain.
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