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A 65 μW, 1.9 GHz RF to digital baseband wakeup receiver for wireless sensor nodes

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3 Author(s)
N. Pletcher ; Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, Berkeley, CA 94704, USA ; S. Gambini ; J. Rabaey

A complete 1.9 GHz receiver, with BAW resonator-referenced input matching network, is designed as a wakeup receiver for wireless sensor networks. The 90 nm CMOS chip includes RF amplifier, PGA, ADC, and reference generation, while consuming 65 μW from a single 0.5 V supply. The input RF bandwidth of the receiver is 7 MHz, while the maximum data rate is 100 kbps. When detecting a 31-bit sequence, the receiver exhibits -56 dBm sensitivity for 90% probability of detection.

Published in:

2007 IEEE Custom Integrated Circuits Conference

Date of Conference:

16-19 Sept. 2007