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Indore, India

Trivedi P.,S.G.S.I.T.S. | Verma A.,IET DAVVIndore | Tripathi P.,S.G.S.I.T.S.
Asian Himalayas International Conference on Internet | Year: 2012

This paper addresses the design of a fourth-order multi-bit sigma-delta modulator suitable for Wireless Local Area Networks (WLAN) receivers with feed forward path and the optimum coefficients were selected using genetic algorithm (GA)-based search method. In particular, the proposed converter makes use of low-distortion swing suppression SDM architecture which is highly suitable for low oversampling ratios to attain high linearity over a wide bandwidth. The aim of this paper is the identification of the best coefficients suitable for the proposed topology in order to achieve the desired signal-to-noise ratio. GA-based search engine is a stochastic search method which can find the optimum solution within the given constraints. © 2012 IEEE.

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