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Design of a low-power ZigBee receiver front-end for wireless sensors

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3 Author(s)
Hafez, A.A. ; Silicon Vision, Cairo ; Dessouky, M.A. ; Ragai, H.F.

This paper presents the design and simulation results of a low-cost, low-power CMOS receiver. The receiver is intended to be used for the ZigBee standard specially proposed for wireless sensor networks. The proposed system consists of a single-ended input, differential output LNA, followed by a pair of double-balanced passive mixers. After down-conversion, a pair of low-power, variable gain low-pass filters is used for channel selection. The design is made using 130-nm CMOS technology with 1.2-V supply. Simulation results show that the receiver can achieve a sensitivity level of -97-dBm while consuming only 6-mA.

Published in:

Microelectronics, 2007. ICM 2007. Internatonal Conference on

Date of Conference:

29-31 Dec. 2007