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Chameleon: a dual-mode 802.11b/Bluetooth receiver system design

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8 Author(s)
Emira, A.A. ; Coll. Station, Texas A&M Univ., College Station, TX, USA ; Valdes-Garcia, A. ; Bo Xia ; Mohieldin, A.N.
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In this paper, an approach to map the Bluetooth and 802.11b standards specifications into an architecture and specifications for the building blocks of a dual-mode direct conversion receiver is proposed. The design procedure focuses on optimizing the performance in each operating mode while attaining an efficient dual-standard solution. The impact of the expected receiver nonidealities and the characteristics of each building block are evaluated through bit-error-rate simulations. The proposed receiver design is verified through a fully integrated implementation from low-noise amplifier to analog-to-digital converter using IBM 0.25-μm BiCMOS technology. Experimental results from the integrated prototype meet the specifications from both standards and are in good agreement with the target sensitivity.

Published in:

Circuits and Systems I: Regular Papers, IEEE Transactions on  (Volume:53 ,  Issue: 5 )