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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/4514

Title: A Triple-mode Sigma-delta Modulator Design for Wireless Standards
Authors: Mythili, P
Jawar, Singh
Babita, Jose R
Jimson, Mathew
Issue Date: 17-Dec-2007
Publisher: IEEE
Abstract: This work presents a triple-mode sigma-delta modulator for three wireless standards namely GSM/WCDMA and Bluetooth. A reconfigurable ADC has been used to meet the wide bandwidth and high dynamic range requirements of the multi-standard receivers with less power consumption. A highly linear sigma-delta ADC which has reduced sensitivity to circuit imperfections has been chosen in our design. This is particularly suitable for wide band applications where the oversampling ratio is low. Simulation results indicate that the modulator achieves a peak SNDR of 84/68/68 dB over a bandwidth of 0.2/3.84/1.5 MHz with an oversampling ratio 128/8/8 in GSM/WCDMA/Bluetooth modes respectively
Description: 10th International Conference on Information Technology
URI: http://dyuthi.cusat.ac.in/purl/4514
Appears in Collections:P Mythili

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