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Multi-channel 180pJ/b 2.4GHz FBAR-based receiver

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4 Author(s)
Nadeau, P.M. ; Microsyst. Technol. Labs., Massachusetts Inst. of Technol., Cambridge, MA, USA ; Paidimarri, A. ; Mercier, P.P. ; Chandrakasan, A.P.

A three-channel 2.4GHz OOK receiver is designed in 65nm CMOS and leverages MEMS to enable multiple sub-channels of operation within a band at a very low energy per received bit. The receive chain features an LNA/mixer architecture that efficiently multiplexes signal pathways without degrading the quality factor of the resonators. The single-balanced mixer and ultra-low power ring oscillator convert the signal to IF, where it is efficiently amplified to enable envelope detection. The receiver consumes a total of 180pJ/b from a 0.7V supply while achieving a BER=10-3 sensitivity of -67dBm at a 1Mb/s data rate.

Published in:

Radio Frequency Integrated Circuits Symposium (RFIC), 2012 IEEE

Date of Conference:

17-19 June 2012