IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
Ultra-low power BPSK demodulator for bio-implantable chips
Ghazal NabovatiMohammad Maymandi-Nejad
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2010 Volume 7 Issue 20 Pages 1592-1596

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Abstract

A novel non-coherent binary phase shift keying (BPSK) demodulator featuring ultra-low power and high data rate is presented for inductively powered biomedical implants. The circuit is designed in the 0.18µm standard CMOS technology. Simulation results show that at a data transmission rate of 16Mbps, the power consumption of the circuit is as low as 6.3µW and 1.96µW at a supply voltage of 1.8V and 1V, respectively. The proposed demodulator tolerates a relatively large frequency shift for the input signal and operates properly in all process corners.

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© 2010 by The Institute of Electronics, Information and Communication Engineers
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