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A low-power and multi-mode design approach for reconfigurable MASH SDM

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2 Author(s)

In this paper, a sixth order multi-stage sigma-delta modulator is designed for GSM/WCDMA/WiMAX communication systems. With the multi-stage noise shaped architecture, the proposed modulator can reconfigure to adapt different system specifications. Meanwhile, the power dissipation is also flexible for power optimization. A prototype is designed with the 0.13-mum 1P8M CMOS technology. The simulation results indicate dynamic ranges of 96/75/66 dB and peak signal to noise plus distortion ratios of 86/73/62 dB for GSM/WCDMA/WiMAX systems.

Published in:

IC Design and Technology, 2009. ICICDT '09. IEEE International Conference on

Date of Conference:

18-20 May 2009

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